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Sync with torvalds/master #229

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wants to merge 8 commits into from
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Sync with torvalds/master #229

wants to merge 8 commits into from

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ghost
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@ghost ghost commented Nov 26, 2015

Sync with torvalds/master

@evieluvsrainbows
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@jeffmerkey You should prob close this. You put the PR in the wrong repo.

@ghost
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ghost commented Nov 29, 2015

How do I do that? Please help. What do I do wrong?

Jeff

On 11/28/15, Kamran Mackey notifications@github.com wrote:

@jeffmerkey You should prob close this. You put the PR in the wrong repo.

Reply to this email directly or view it on GitHub:
#229 (comment)

@ghost ghost closed this Nov 29, 2015
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ghost commented Nov 29, 2015

ok, I fixed it. Now how the hell did that happen?

fengguang pushed a commit to 0day-ci/linux that referenced this pull request Mar 6, 2017
KVM: nVMX: Reset nested_run_pending if the CPU is going to be reset
8d7866a 
Reported by syzkaller:

	WARNING: CPU: 1 PID: 27742 at arch/x86/kvm/vmx.c:11029
	nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
	CPU: 1 PID: 27742 Comm: a.out Not tainted 4.10.0+ torvalds#229
	Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
	Call Trace:
	 __dump_stack lib/dump_stack.c:15 [inline]
	 dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
	 panic+0x1fb/0x412 kernel/panic.c:179
	 __warn+0x1c4/0x1e0 kernel/panic.c:540
	 warn_slowpath_null+0x2c/0x40 kernel/panic.c:583
	 nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
	 vmx_leave_nested arch/x86/kvm/vmx.c:11136 [inline]
	 vmx_set_msr+0x1565/0x1910 arch/x86/kvm/vmx.c:3324
	 kvm_set_msr+0xd4/0x170 arch/x86/kvm/x86.c:1099
	 do_set_msr+0x11e/0x190 arch/x86/kvm/x86.c:1128
	 __msr_io arch/x86/kvm/x86.c:2577 [inline]
	 msr_io+0x24b/0x450 arch/x86/kvm/x86.c:2614
	 kvm_arch_vcpu_ioctl+0x35b/0x46a0 arch/x86/kvm/x86.c:3497
	 kvm_vcpu_ioctl+0x232/0x1120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2721
	 vfs_ioctl fs/ioctl.c:43 [inline]
	 do_vfs_ioctl+0x1bf/0x1790 fs/ioctl.c:683
	 SYSC_ioctl fs/ioctl.c:698 [inline]
	 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:689
	 entry_SYSCALL_64_fastpath+0x1f/0xc2

The syzkaller folks reported a nested_run_pending warning during userspace clear VMX
capability which is exposed to L1 before.

The warning gets thrown while doing

(*(uint32_t*)0x20aecfe8 = (uint32_t)0x1);
(*(uint32_t*)0x20aecfec = (uint32_t)0x0);
(*(uint32_t*)0x20aecff0 = (uint32_t)0x3a);
(*(uint32_t*)0x20aecff4 = (uint32_t)0x0);
(*(uint64_t*)0x20aecff8 = (uint64_t)0x0);
r[29] = syscall(__NR_ioctl, r[4], 0x4008ae89ul,
		0x20aecfe8ul, 0, 0, 0, 0, 0, 0);

i.e. KVM_SET_MSR ioctl with

struct kvm_msrs {
	.nmsrs = 1,
		.pad = 0,
		.entries = {
			{.index = MSR_IA32_FEATURE_CONTROL,
				.reserved = 0,
				.data = 0}
		}
}

The VMLANCH/VMRESUME emulation should be stopped since the CPU is going to reset here.
This patch resets the nested_run_pending since the CPU is going to be reset hence there
should be nothing pending.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Suggested-by: Radim Krčmář <rkrcmar@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
fengguang pushed a commit to 0day-ci/linux that referenced this pull request Mar 7, 2017
KVM: nVMX: reset nested_run_pending if the vCPU is going to be reset
0aacb7a 
Reported by syzkaller:

    WARNING: CPU: 1 PID: 27742 at arch/x86/kvm/vmx.c:11029
    nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
    CPU: 1 PID: 27742 Comm: a.out Not tainted 4.10.0+ torvalds#229
    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
    Call Trace:
     __dump_stack lib/dump_stack.c:15 [inline]
     dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
     panic+0x1fb/0x412 kernel/panic.c:179
     __warn+0x1c4/0x1e0 kernel/panic.c:540
     warn_slowpath_null+0x2c/0x40 kernel/panic.c:583
     nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
     vmx_leave_nested arch/x86/kvm/vmx.c:11136 [inline]
     vmx_set_msr+0x1565/0x1910 arch/x86/kvm/vmx.c:3324
     kvm_set_msr+0xd4/0x170 arch/x86/kvm/x86.c:1099
     do_set_msr+0x11e/0x190 arch/x86/kvm/x86.c:1128
     __msr_io arch/x86/kvm/x86.c:2577 [inline]
     msr_io+0x24b/0x450 arch/x86/kvm/x86.c:2614
     kvm_arch_vcpu_ioctl+0x35b/0x46a0 arch/x86/kvm/x86.c:3497
     kvm_vcpu_ioctl+0x232/0x1120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2721
     vfs_ioctl fs/ioctl.c:43 [inline]
     do_vfs_ioctl+0x1bf/0x1790 fs/ioctl.c:683
     SYSC_ioctl fs/ioctl.c:698 [inline]
     SyS_ioctl+0x8f/0xc0 fs/ioctl.c:689
     entry_SYSCALL_64_fastpath+0x1f/0xc2

The syzkaller folks reported a nested_run_pending warning during userspace
clear VMX capability which is exposed to L1 before.

The warning gets thrown while doing

(*(uint32_t*)0x20aecfe8 = (uint32_t)0x1);
(*(uint32_t*)0x20aecfec = (uint32_t)0x0);
(*(uint32_t*)0x20aecff0 = (uint32_t)0x3a);
(*(uint32_t*)0x20aecff4 = (uint32_t)0x0);
(*(uint64_t*)0x20aecff8 = (uint64_t)0x0);
r[29] = syscall(__NR_ioctl, r[4], 0x4008ae89ul,
		0x20aecfe8ul, 0, 0, 0, 0, 0, 0);

i.e. KVM_SET_MSR ioctl with

struct kvm_msrs {
	.nmsrs = 1,
		.pad = 0,
		.entries = {
			{.index = MSR_IA32_FEATURE_CONTROL,
			 .reserved = 0,
			 .data = 0}
		}
}

The VMLANCH/VMRESUME emulation should be stopped since the CPU is going to
reset here. This patch resets the nested_run_pending since the CPU is going
to be reset hence there should be nothing pending.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Suggested-by: Radim Krčmář <rkrcmar@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
fengguang pushed a commit to 0day-ci/linux that referenced this pull request Mar 7, 2017
KVM: nVMX: reset nested_run_pending if the vCPU is going to be reset
eb8fcf8 
Reported by syzkaller:

    WARNING: CPU: 1 PID: 27742 at arch/x86/kvm/vmx.c:11029
    nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
    CPU: 1 PID: 27742 Comm: a.out Not tainted 4.10.0+ torvalds#229
    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
    Call Trace:
     __dump_stack lib/dump_stack.c:15 [inline]
     dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
     panic+0x1fb/0x412 kernel/panic.c:179
     __warn+0x1c4/0x1e0 kernel/panic.c:540
     warn_slowpath_null+0x2c/0x40 kernel/panic.c:583
     nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
     vmx_leave_nested arch/x86/kvm/vmx.c:11136 [inline]
     vmx_set_msr+0x1565/0x1910 arch/x86/kvm/vmx.c:3324
     kvm_set_msr+0xd4/0x170 arch/x86/kvm/x86.c:1099
     do_set_msr+0x11e/0x190 arch/x86/kvm/x86.c:1128
     __msr_io arch/x86/kvm/x86.c:2577 [inline]
     msr_io+0x24b/0x450 arch/x86/kvm/x86.c:2614
     kvm_arch_vcpu_ioctl+0x35b/0x46a0 arch/x86/kvm/x86.c:3497
     kvm_vcpu_ioctl+0x232/0x1120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2721
     vfs_ioctl fs/ioctl.c:43 [inline]
     do_vfs_ioctl+0x1bf/0x1790 fs/ioctl.c:683
     SYSC_ioctl fs/ioctl.c:698 [inline]
     SyS_ioctl+0x8f/0xc0 fs/ioctl.c:689
     entry_SYSCALL_64_fastpath+0x1f/0xc2

The syzkaller folks reported a nested_run_pending warning during userspace clear VMX
capability which is exposed to L1 before.

The warning gets thrown while doing

(*(uint32_t*)0x20aecfe8 = (uint32_t)0x1);
(*(uint32_t*)0x20aecfec = (uint32_t)0x0);
(*(uint32_t*)0x20aecff0 = (uint32_t)0x3a);
(*(uint32_t*)0x20aecff4 = (uint32_t)0x0);
(*(uint64_t*)0x20aecff8 = (uint64_t)0x0);
r[29] = syscall(__NR_ioctl, r[4], 0x4008ae89ul,
		0x20aecfe8ul, 0, 0, 0, 0, 0, 0);

i.e. KVM_SET_MSR ioctl with

struct kvm_msrs {
	.nmsrs = 1,
		.pad = 0,
		.entries = {
			{.index = MSR_IA32_FEATURE_CONTROL,
			 .reserved = 0,
			 .data = 0}
		}
}

The VMLANCH/VMRESUME emulation should be stopped since the CPU is going to reset here.
This patch resets the nested_run_pending since the CPU is going to be reset hence there
should be nothing pending.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Suggested-by: Radim Krčmář <rkrcmar@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
fengguang pushed a commit to 0day-ci/linux that referenced this pull request Mar 8, 2017
@rkrcmar
KVM: nVMX: do not warn when MSR bitmap address is not backed
9dba4fa 
Before trying to do nested_get_page() in nested_vmx_merge_msr_bitmap(),
we have already checked that the MSR bitmap address is valid (4k aligned
and within physical limits).  SDM doesn't specify what happens if the
there is no memory mapped at the valid address, but Intel CPUs treat the
situation as if the bitmap was configured to trap all MSRs.

KVM already does that by returning false and a correct handling doesn't
need the guest-trigerrable warning that was reported by syzkaller:
(The warning was originally there to catch some possible bugs in nVMX.)

  ------------[ cut here ]------------
  WARNING: CPU: 0 PID: 7832 at arch/x86/kvm/vmx.c:9709
  nested_vmx_merge_msr_bitmap arch/x86/kvm/vmx.c:9709 [inline]
  WARNING: CPU: 0 PID: 7832 at arch/x86/kvm/vmx.c:9709
  nested_get_vmcs12_pages+0xfb6/0x15c0 arch/x86/kvm/vmx.c:9640
  Kernel panic - not syncing: panic_on_warn set ...
  CPU: 0 PID: 7832 Comm: syz-executor1 Not tainted 4.10.0+ torvalds#229
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
  Call Trace:
   __dump_stack lib/dump_stack.c:15 [inline]
   dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
   panic+0x1fb/0x412 kernel/panic.c:179
   __warn+0x1c4/0x1e0 kernel/panic.c:540
   warn_slowpath_null+0x2c/0x40 kernel/panic.c:583
   nested_vmx_merge_msr_bitmap arch/x86/kvm/vmx.c:9709 [inline]
   nested_get_vmcs12_pages+0xfb6/0x15c0 arch/x86/kvm/vmx.c:9640
   enter_vmx_non_root_mode arch/x86/kvm/vmx.c:10471 [inline]
   nested_vmx_run+0x6186/0xaab0 arch/x86/kvm/vmx.c:10561
   handle_vmlaunch+0x1a/0x20 arch/x86/kvm/vmx.c:7312
   vmx_handle_exit+0xfc0/0x3f00 arch/x86/kvm/vmx.c:8526
   vcpu_enter_guest arch/x86/kvm/x86.c:6982 [inline]
   vcpu_run arch/x86/kvm/x86.c:7044 [inline]
   kvm_arch_vcpu_ioctl_run+0x1418/0x4840 arch/x86/kvm/x86.c:7205
   kvm_vcpu_ioctl+0x673/0x1120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2570

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
torvalds pushed a commit that referenced this pull request Mar 11, 2017
@rkrcmar
KVM: nVMX: reset nested_run_pending if the vCPU is going to be reset
2f707d9 
Reported by syzkaller:

    WARNING: CPU: 1 PID: 27742 at arch/x86/kvm/vmx.c:11029
    nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
    CPU: 1 PID: 27742 Comm: a.out Not tainted 4.10.0+ #229
    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
    Call Trace:
     __dump_stack lib/dump_stack.c:15 [inline]
     dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
     panic+0x1fb/0x412 kernel/panic.c:179
     __warn+0x1c4/0x1e0 kernel/panic.c:540
     warn_slowpath_null+0x2c/0x40 kernel/panic.c:583
     nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
     vmx_leave_nested arch/x86/kvm/vmx.c:11136 [inline]
     vmx_set_msr+0x1565/0x1910 arch/x86/kvm/vmx.c:3324
     kvm_set_msr+0xd4/0x170 arch/x86/kvm/x86.c:1099
     do_set_msr+0x11e/0x190 arch/x86/kvm/x86.c:1128
     __msr_io arch/x86/kvm/x86.c:2577 [inline]
     msr_io+0x24b/0x450 arch/x86/kvm/x86.c:2614
     kvm_arch_vcpu_ioctl+0x35b/0x46a0 arch/x86/kvm/x86.c:3497
     kvm_vcpu_ioctl+0x232/0x1120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2721
     vfs_ioctl fs/ioctl.c:43 [inline]
     do_vfs_ioctl+0x1bf/0x1790 fs/ioctl.c:683
     SYSC_ioctl fs/ioctl.c:698 [inline]
     SyS_ioctl+0x8f/0xc0 fs/ioctl.c:689
     entry_SYSCALL_64_fastpath+0x1f/0xc2

The syzkaller folks reported a nested_run_pending warning during userspace
clear VMX capability which is exposed to L1 before.

The warning gets thrown while doing

(*(uint32_t*)0x20aecfe8 = (uint32_t)0x1);
(*(uint32_t*)0x20aecfec = (uint32_t)0x0);
(*(uint32_t*)0x20aecff0 = (uint32_t)0x3a);
(*(uint32_t*)0x20aecff4 = (uint32_t)0x0);
(*(uint64_t*)0x20aecff8 = (uint64_t)0x0);
r[29] = syscall(__NR_ioctl, r[4], 0x4008ae89ul,
		0x20aecfe8ul, 0, 0, 0, 0, 0, 0);

i.e. KVM_SET_MSR ioctl with

struct kvm_msrs {
	.nmsrs = 1,
		.pad = 0,
		.entries = {
			{.index = MSR_IA32_FEATURE_CONTROL,
			 .reserved = 0,
			 .data = 0}
		}
}

The VMLANCH/VMRESUME emulation should be stopped since the CPU is going to
reset here. This patch resets the nested_run_pending since the CPU is going
to be reset hence there should be nothing pending.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Suggested-by: Radim Krčmář <rkrcmar@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
torvalds pushed a commit that referenced this pull request Mar 11, 2017
@rkrcmar
KVM: nVMX: do not warn when MSR bitmap address is not backed
05d8d34 
Before trying to do nested_get_page() in nested_vmx_merge_msr_bitmap(),
we have already checked that the MSR bitmap address is valid (4k aligned
and within physical limits).  SDM doesn't specify what happens if the
there is no memory mapped at the valid address, but Intel CPUs treat the
situation as if the bitmap was configured to trap all MSRs.

KVM already does that by returning false and a correct handling doesn't
need the guest-trigerrable warning that was reported by syzkaller:
(The warning was originally there to catch some possible bugs in nVMX.)

  ------------[ cut here ]------------
  WARNING: CPU: 0 PID: 7832 at arch/x86/kvm/vmx.c:9709
  nested_vmx_merge_msr_bitmap arch/x86/kvm/vmx.c:9709 [inline]
  WARNING: CPU: 0 PID: 7832 at arch/x86/kvm/vmx.c:9709
  nested_get_vmcs12_pages+0xfb6/0x15c0 arch/x86/kvm/vmx.c:9640
  Kernel panic - not syncing: panic_on_warn set ...
  CPU: 0 PID: 7832 Comm: syz-executor1 Not tainted 4.10.0+ #229
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
  Call Trace:
   __dump_stack lib/dump_stack.c:15 [inline]
   dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
   panic+0x1fb/0x412 kernel/panic.c:179
   __warn+0x1c4/0x1e0 kernel/panic.c:540
   warn_slowpath_null+0x2c/0x40 kernel/panic.c:583
   nested_vmx_merge_msr_bitmap arch/x86/kvm/vmx.c:9709 [inline]
   nested_get_vmcs12_pages+0xfb6/0x15c0 arch/x86/kvm/vmx.c:9640
   enter_vmx_non_root_mode arch/x86/kvm/vmx.c:10471 [inline]
   nested_vmx_run+0x6186/0xaab0 arch/x86/kvm/vmx.c:10561
   handle_vmlaunch+0x1a/0x20 arch/x86/kvm/vmx.c:7312
   vmx_handle_exit+0xfc0/0x3f00 arch/x86/kvm/vmx.c:8526
   vcpu_enter_guest arch/x86/kvm/x86.c:6982 [inline]
   vcpu_run arch/x86/kvm/x86.c:7044 [inline]
   kvm_arch_vcpu_ioctl_run+0x1418/0x4840 arch/x86/kvm/x86.c:7205
   kvm_vcpu_ioctl+0x673/0x1120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2570

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
[Jim Mattson explained the bare metal behavior: "I believe this behavior
 would be documented in the chipset data sheet rather than the SDM,
 since the chipset returns all 1s for an unclaimed read."]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
fengguang pushed a commit to 0day-ci/linux that referenced this pull request May 8, 2017
x86/efi: Fix kexec kernel panic when efi=old_map is enabled
323cd9f 
Booting kexec kernel with "efi=old_map" in kernel command line hits
kernel panic as shown below.

[    0.001000] BUG: unable to handle kernel paging request at ffff88007fe78070
[    0.001000] IP: virt_efi_set_variable.part.7+0x63/0x1b0
[    0.001000] PGD 7ea28067
[    0.001000] PUD 7ea2b067
[    0.001000] PMD 7ea2d067
[    0.001000] PTE 0
[    0.001000]
[    0.001000] Oops: 0000 [#1] SMP
[    0.001000] Modules linked in:
[    0.001000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.11.0-rc2-yocto-standard+ torvalds#229
[    0.001000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015
[    0.001000] task: ffffffff82022500 task.stack: ffffffff82000000
[    0.001000] RIP: 0010:virt_efi_set_variable.part.7+0x63/0x1b0
[    0.001000] RSP: 0000:ffffffff82003dc0 EFLAGS: 00010246
[    0.001000] RAX: ffff88007fe78018 RBX: ffffffff82050300 RCX: 0000000000000007
[    0.001000] RDX: ffffffff82003e50 RSI: ffffffff82050300 RDI: ffffffff82050300
[    0.001000] RBP: ffffffff82003e08 R08: 0000000000000000 R09: 0000000000000000
[    0.001000] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82003e50
[    0.001000] R13: 0000000000000007 R14: 0000000000000246 R15: 0000000000000000
[    0.001000] FS:  0000000000000000(0000) GS:ffff88007fa00000(0000) knlGS:0000000000000000
[    0.001000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    0.001000] CR2: ffff88007fe78070 CR3: 000000007da1d000 CR4: 00000000000006b0
[    0.001000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.001000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    0.001000] Call Trace:
[    0.001000]  virt_efi_set_variable+0x5d/0x70
[    0.001000]  efi_delete_dummy_variable+0x7a/0x80
[    0.001000]  efi_enter_virtual_mode+0x3f6/0x4a7
[    0.001000]  start_kernel+0x375/0x400
[    0.001000]  x86_64_start_reservations+0x2a/0x2c
[    0.001000]  x86_64_start_kernel+0x168/0x176
[    0.001000]  start_cpu+0x14/0x14
[    0.001000] Code: 04 b0 84 ff 80 3d c5 56 b3 00 00 4c 8b 44 24 08 75
6b 9c 41 5e 48 8b 05 9c 78 99 00 4d 89 c1 48 89 de 4d 89 f8 44 89 e9 4c
89 e2 <48> 8b 40 58 48 8b 78 58 e8 b0 2d 88 ff 48 c7 c6 b6 1d f4 81 4c
[    0.001000] RIP: virt_efi_set_variable.part.7+0x63/0x1b0 RSP: ffffffff82003dc0
[    0.001000] CR2: ffff88007fe78070
[    0.001000] ---[ end trace 0000000000000000 ]---
[    0.001000] Kernel panic - not syncing: Attempted to kill the idle task!
[    0.001000] ---[ end Kernel panic - not syncing: Attempted to kill the idle task!

This happens because efi=old_map doesn't use efi_pgd but rather it uses
kernel's pgd. We don't hit the same panic in a regular kernel because
it uses old_map_region() and not __map_region().

Signed-off-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ricardo Neri <ricardo.neri@intel.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Ravi Shankar <ravi.v.shankar@intel.com>
fengguang pushed a commit to 0day-ci/linux that referenced this pull request May 17, 2017
x86/efi: Disable runtime services on kexec kernel if booted with efi=…
0ba5c18 
…old_map

Booting kexec kernel with "efi=old_map" in kernel command line hits
kernel panic as shown below.

[0.001000] BUG: unable to handle kernel paging request at ffff88007fe78070
[0.001000] IP: virt_efi_set_variable.part.7+0x63/0x1b0
[0.001000] PGD 7ea28067
[0.001000] PUD 7ea2b067
[0.001000] PMD 7ea2d067
[0.001000] PTE 0
[0.001000]
[0.001000] Oops: 0000 [#1] SMP
[0.001000] Modules linked in:
[0.001000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.11.0-rc2-yocto-standard+ torvalds#229
[0.001000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015
[0.001000] task: ffffffff82022500 task.stack: ffffffff82000000
[0.001000] RIP: 0010:virt_efi_set_variable.part.7+0x63/0x1b0
[0.001000] RSP: 0000:ffffffff82003dc0 EFLAGS: 00010246
[0.001000] RAX: ffff88007fe78018 RBX: ffffffff82050300 RCX: 0000000000000007
[0.001000] RDX: ffffffff82003e50 RSI: ffffffff82050300 RDI: ffffffff82050300
[0.001000] RBP: ffffffff82003e08 R08: 0000000000000000 R09: 0000000000000000
[0.001000] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82003e50
[0.001000] R13: 0000000000000007 R14: 0000000000000246 R15: 0000000000000000
[0.001000] FS:  0000000000000000(0000) GS:ffff88007fa00000(0000) knlGS:0000000000000000
[0.001000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[0.001000] CR2: ffff88007fe78070 CR3: 000000007da1d000 CR4: 00000000000006b0
[0.001000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[0.001000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[0.001000] Call Trace:
[0.001000]  virt_efi_set_variable+0x5d/0x70
[0.001000]  efi_delete_dummy_variable+0x7a/0x80
[0.001000]  efi_enter_virtual_mode+0x3f6/0x4a7
[0.001000]  start_kernel+0x375/0x400
[0.001000]  x86_64_start_reservations+0x2a/0x2c
[0.001000]  x86_64_start_kernel+0x168/0x176
[0.001000]  start_cpu+0x14/0x14
[0.001000] Code: 04 b0 84 ff 80 3d c5 56 b3 00 00 4c 8b 44 24 08 75
6b 9c 41 5e 48 8b 05 9c 78 99 00 4d 89 c1 48 89 de 4d 89 f8 44 89 e9 4c
89 e2 <48> 8b 40 58 48 8b 78 58 e8 b0 2d 88 ff 48 c7 c6 b6 1d f4 81 4c
[0.001000] RIP: virt_efi_set_variable.part.7+0x63/0x1b0 RSP: ffffffff82003dc0
[0.001000] CR2: ffff88007fe78070
[0.001000] ---[ end trace 0000000000000000 ]---
[0.001000] Kernel panic - not syncing: Attempted to kill the idle task!
[0.001000] ---[ end Kernel panic - not syncing: Attempted to kill the idle task!

[efi=old_map was never intended to work with kexec. The problem with
using efi=old_map is that the virtual addresses are assigned from the
memory region used by other kernel mappings; vmalloc() space.
Potentially there could be collisions when booting kexec if something
else is mapped at the virtual address we allocated for runtime service
regions in the initial boot] - Matt Fleming

Since kexec was never intended to work with efi=old_map, disable
runtime services in kexec if booted with efi=old_map, so that we don't
panic.

Signed-off-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ricardo Neri <ricardo.neri@intel.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Ravi Shankar <ravi.v.shankar@intel.com>
Cc: Lee Chun-Yi <jlee@suse.com>
Cc: Dave Young <dyoung@redhat.com>

Changes since v1:
Don't fix the panic, because this was never intended to work.
Noltari pushed a commit to Noltari/linux that referenced this pull request Dec 14, 2017
@gregkh
KVM: nVMX: reset nested_run_pending if the vCPU is going to be reset
c886f28 
[ Upstream commit 2f707d9 ]

Reported by syzkaller:

    WARNING: CPU: 1 PID: 27742 at arch/x86/kvm/vmx.c:11029
    nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
    CPU: 1 PID: 27742 Comm: a.out Not tainted 4.10.0+ torvalds#229
    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
    Call Trace:
     __dump_stack lib/dump_stack.c:15 [inline]
     dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
     panic+0x1fb/0x412 kernel/panic.c:179
     __warn+0x1c4/0x1e0 kernel/panic.c:540
     warn_slowpath_null+0x2c/0x40 kernel/panic.c:583
     nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
     vmx_leave_nested arch/x86/kvm/vmx.c:11136 [inline]
     vmx_set_msr+0x1565/0x1910 arch/x86/kvm/vmx.c:3324
     kvm_set_msr+0xd4/0x170 arch/x86/kvm/x86.c:1099
     do_set_msr+0x11e/0x190 arch/x86/kvm/x86.c:1128
     __msr_io arch/x86/kvm/x86.c:2577 [inline]
     msr_io+0x24b/0x450 arch/x86/kvm/x86.c:2614
     kvm_arch_vcpu_ioctl+0x35b/0x46a0 arch/x86/kvm/x86.c:3497
     kvm_vcpu_ioctl+0x232/0x1120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2721
     vfs_ioctl fs/ioctl.c:43 [inline]
     do_vfs_ioctl+0x1bf/0x1790 fs/ioctl.c:683
     SYSC_ioctl fs/ioctl.c:698 [inline]
     SyS_ioctl+0x8f/0xc0 fs/ioctl.c:689
     entry_SYSCALL_64_fastpath+0x1f/0xc2

The syzkaller folks reported a nested_run_pending warning during userspace
clear VMX capability which is exposed to L1 before.

The warning gets thrown while doing

(*(uint32_t*)0x20aecfe8 = (uint32_t)0x1);
(*(uint32_t*)0x20aecfec = (uint32_t)0x0);
(*(uint32_t*)0x20aecff0 = (uint32_t)0x3a);
(*(uint32_t*)0x20aecff4 = (uint32_t)0x0);
(*(uint64_t*)0x20aecff8 = (uint64_t)0x0);
r[29] = syscall(__NR_ioctl, r[4], 0x4008ae89ul,
		0x20aecfe8ul, 0, 0, 0, 0, 0, 0);

i.e. KVM_SET_MSR ioctl with

struct kvm_msrs {
	.nmsrs = 1,
		.pad = 0,
		.entries = {
			{.index = MSR_IA32_FEATURE_CONTROL,
			 .reserved = 0,
			 .data = 0}
		}
}

The VMLANCH/VMRESUME emulation should be stopped since the CPU is going to
reset here. This patch resets the nested_run_pending since the CPU is going
to be reset hence there should be nothing pending.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Suggested-by: Radim Krčmář <rkrcmar@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Noltari pushed a commit to Noltari/linux that referenced this pull request Dec 16, 2017
@gregkh
KVM: nVMX: reset nested_run_pending if the vCPU is going to be reset
ccf72fe 
[ Upstream commit 2f707d9 ]

Reported by syzkaller:

    WARNING: CPU: 1 PID: 27742 at arch/x86/kvm/vmx.c:11029
    nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
    CPU: 1 PID: 27742 Comm: a.out Not tainted 4.10.0+ torvalds#229
    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
    Call Trace:
     __dump_stack lib/dump_stack.c:15 [inline]
     dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
     panic+0x1fb/0x412 kernel/panic.c:179
     __warn+0x1c4/0x1e0 kernel/panic.c:540
     warn_slowpath_null+0x2c/0x40 kernel/panic.c:583
     nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
     vmx_leave_nested arch/x86/kvm/vmx.c:11136 [inline]
     vmx_set_msr+0x1565/0x1910 arch/x86/kvm/vmx.c:3324
     kvm_set_msr+0xd4/0x170 arch/x86/kvm/x86.c:1099
     do_set_msr+0x11e/0x190 arch/x86/kvm/x86.c:1128
     __msr_io arch/x86/kvm/x86.c:2577 [inline]
     msr_io+0x24b/0x450 arch/x86/kvm/x86.c:2614
     kvm_arch_vcpu_ioctl+0x35b/0x46a0 arch/x86/kvm/x86.c:3497
     kvm_vcpu_ioctl+0x232/0x1120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2721
     vfs_ioctl fs/ioctl.c:43 [inline]
     do_vfs_ioctl+0x1bf/0x1790 fs/ioctl.c:683
     SYSC_ioctl fs/ioctl.c:698 [inline]
     SyS_ioctl+0x8f/0xc0 fs/ioctl.c:689
     entry_SYSCALL_64_fastpath+0x1f/0xc2

The syzkaller folks reported a nested_run_pending warning during userspace
clear VMX capability which is exposed to L1 before.

The warning gets thrown while doing

(*(uint32_t*)0x20aecfe8 = (uint32_t)0x1);
(*(uint32_t*)0x20aecfec = (uint32_t)0x0);
(*(uint32_t*)0x20aecff0 = (uint32_t)0x3a);
(*(uint32_t*)0x20aecff4 = (uint32_t)0x0);
(*(uint64_t*)0x20aecff8 = (uint64_t)0x0);
r[29] = syscall(__NR_ioctl, r[4], 0x4008ae89ul,
		0x20aecfe8ul, 0, 0, 0, 0, 0, 0);

i.e. KVM_SET_MSR ioctl with

struct kvm_msrs {
	.nmsrs = 1,
		.pad = 0,
		.entries = {
			{.index = MSR_IA32_FEATURE_CONTROL,
			 .reserved = 0,
			 .data = 0}
		}
}

The VMLANCH/VMRESUME emulation should be stopped since the CPU is going to
reset here. This patch resets the nested_run_pending since the CPU is going
to be reset hence there should be nothing pending.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Suggested-by: Radim Krčmář <rkrcmar@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Noltari pushed a commit to Noltari/linux that referenced this pull request Dec 20, 2017
@rkrcmar @gregkh
KVM: nVMX: do not warn when MSR bitmap address is not backed
215df1f 
[ Upstream commit 05d8d34 ]

Before trying to do nested_get_page() in nested_vmx_merge_msr_bitmap(),
we have already checked that the MSR bitmap address is valid (4k aligned
and within physical limits).  SDM doesn't specify what happens if the
there is no memory mapped at the valid address, but Intel CPUs treat the
situation as if the bitmap was configured to trap all MSRs.

KVM already does that by returning false and a correct handling doesn't
need the guest-trigerrable warning that was reported by syzkaller:
(The warning was originally there to catch some possible bugs in nVMX.)

  ------------[ cut here ]------------
  WARNING: CPU: 0 PID: 7832 at arch/x86/kvm/vmx.c:9709
  nested_vmx_merge_msr_bitmap arch/x86/kvm/vmx.c:9709 [inline]
  WARNING: CPU: 0 PID: 7832 at arch/x86/kvm/vmx.c:9709
  nested_get_vmcs12_pages+0xfb6/0x15c0 arch/x86/kvm/vmx.c:9640
  Kernel panic - not syncing: panic_on_warn set ...
  CPU: 0 PID: 7832 Comm: syz-executor1 Not tainted 4.10.0+ torvalds#229
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
  Call Trace:
   __dump_stack lib/dump_stack.c:15 [inline]
   dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
   panic+0x1fb/0x412 kernel/panic.c:179
   __warn+0x1c4/0x1e0 kernel/panic.c:540
   warn_slowpath_null+0x2c/0x40 kernel/panic.c:583
   nested_vmx_merge_msr_bitmap arch/x86/kvm/vmx.c:9709 [inline]
   nested_get_vmcs12_pages+0xfb6/0x15c0 arch/x86/kvm/vmx.c:9640
   enter_vmx_non_root_mode arch/x86/kvm/vmx.c:10471 [inline]
   nested_vmx_run+0x6186/0xaab0 arch/x86/kvm/vmx.c:10561
   handle_vmlaunch+0x1a/0x20 arch/x86/kvm/vmx.c:7312
   vmx_handle_exit+0xfc0/0x3f00 arch/x86/kvm/vmx.c:8526
   vcpu_enter_guest arch/x86/kvm/x86.c:6982 [inline]
   vcpu_run arch/x86/kvm/x86.c:7044 [inline]
   kvm_arch_vcpu_ioctl_run+0x1418/0x4840 arch/x86/kvm/x86.c:7205
   kvm_vcpu_ioctl+0x673/0x1120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2570

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
[Jim Mattson explained the bare metal behavior: "I believe this behavior
 would be documented in the chipset data sheet rather than the SDM,
 since the chipset returns all 1s for an unclaimed read."]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Noltari pushed a commit to Noltari/linux that referenced this pull request Jan 23, 2018
KVM: nVMX: reset nested_run_pending if the vCPU is going to be reset
38ae817 
[ Upstream commit 2f707d9 ]

Reported by syzkaller:

    WARNING: CPU: 1 PID: 27742 at arch/x86/kvm/vmx.c:11029
    nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
    CPU: 1 PID: 27742 Comm: a.out Not tainted 4.10.0+ torvalds#229
    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
    Call Trace:
     __dump_stack lib/dump_stack.c:15 [inline]
     dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
     panic+0x1fb/0x412 kernel/panic.c:179
     __warn+0x1c4/0x1e0 kernel/panic.c:540
     warn_slowpath_null+0x2c/0x40 kernel/panic.c:583
     nested_vmx_vmexit+0x5c35/0x74d0 arch/x86/kvm/vmx.c:11029
     vmx_leave_nested arch/x86/kvm/vmx.c:11136 [inline]
     vmx_set_msr+0x1565/0x1910 arch/x86/kvm/vmx.c:3324
     kvm_set_msr+0xd4/0x170 arch/x86/kvm/x86.c:1099
     do_set_msr+0x11e/0x190 arch/x86/kvm/x86.c:1128
     __msr_io arch/x86/kvm/x86.c:2577 [inline]
     msr_io+0x24b/0x450 arch/x86/kvm/x86.c:2614
     kvm_arch_vcpu_ioctl+0x35b/0x46a0 arch/x86/kvm/x86.c:3497
     kvm_vcpu_ioctl+0x232/0x1120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2721
     vfs_ioctl fs/ioctl.c:43 [inline]
     do_vfs_ioctl+0x1bf/0x1790 fs/ioctl.c:683
     SYSC_ioctl fs/ioctl.c:698 [inline]
     SyS_ioctl+0x8f/0xc0 fs/ioctl.c:689
     entry_SYSCALL_64_fastpath+0x1f/0xc2

The syzkaller folks reported a nested_run_pending warning during userspace
clear VMX capability which is exposed to L1 before.

The warning gets thrown while doing

(*(uint32_t*)0x20aecfe8 = (uint32_t)0x1);
(*(uint32_t*)0x20aecfec = (uint32_t)0x0);
(*(uint32_t*)0x20aecff0 = (uint32_t)0x3a);
(*(uint32_t*)0x20aecff4 = (uint32_t)0x0);
(*(uint64_t*)0x20aecff8 = (uint64_t)0x0);
r[29] = syscall(__NR_ioctl, r[4], 0x4008ae89ul,
		0x20aecfe8ul, 0, 0, 0, 0, 0, 0);

i.e. KVM_SET_MSR ioctl with

struct kvm_msrs {
	.nmsrs = 1,
		.pad = 0,
		.entries = {
			{.index = MSR_IA32_FEATURE_CONTROL,
			 .reserved = 0,
			 .data = 0}
		}
}

The VMLANCH/VMRESUME emulation should be stopped since the CPU is going to
reset here. This patch resets the nested_run_pending since the CPU is going
to be reset hence there should be nothing pending.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Suggested-by: Radim Krčmář <rkrcmar@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
fengguang pushed a commit to 0day-ci/linux that referenced this pull request Sep 1, 2020
@intel-lab-lkp
usb: cdns3: gadget: free interrupt after gadget has deleted
e0f73cd 
The interrupt may occur during the gadget deletion, it fixes the
below oops.

[ 2394.974604] configfs-gadget gadget: suspend
[ 2395.042578] configfs-gadget 5b130000.usb: unregistering UDC driver [g1]
[ 2395.382562] irq 229: nobody cared (try booting with the "irqpoll" option)
[ 2395.389362] CPU: 0 PID: 301 Comm: kworker/u12:6 Not tainted 5.8.0-rc3-next-20200703-00060-g2f13b83cbf30-dirty torvalds#456
[ 2395.399712] Hardware name: Freescale i.MX8QM MEK (DT)
[ 2395.404782] Workqueue: 2-0051 tcpm_state_machine_work
[ 2395.409832] Call trace:
[ 2395.412289]  dump_backtrace+0x0/0x1d0
[ 2395.415950]  show_stack+0x1c/0x28
[ 2395.419271]  dump_stack+0xbc/0x118
[ 2395.422678]  __report_bad_irq+0x50/0xe0
[ 2395.426513]  note_interrupt+0x2cc/0x38c
[ 2395.430355]  handle_irq_event_percpu+0x88/0x90
[ 2395.434800]  handle_irq_event+0x4c/0xe8
[ 2395.438640]  handle_fasteoi_irq+0xbc/0x168
[ 2395.442740]  generic_handle_irq+0x34/0x48
[ 2395.446752]  __handle_domain_irq+0x68/0xc0
[ 2395.450846]  gic_handle_irq+0x64/0x150
[ 2395.454596]  el1_irq+0xb8/0x180
[ 2395.457733]  __do_softirq+0xac/0x3b8
[ 2395.461310]  irq_exit+0xc0/0xe0
[ 2395.464448]  __handle_domain_irq+0x6c/0xc0
[ 2395.468540]  gic_handle_irq+0x64/0x150
[ 2395.472295]  el1_irq+0xb8/0x180
[ 2395.475436]  _raw_spin_unlock_irqrestore+0x14/0x48
[ 2395.480232]  usb_gadget_disconnect+0x120/0x140
[ 2395.484678]  usb_gadget_remove_driver+0xb4/0xd0
[ 2395.489208]  usb_del_gadget+0x6c/0xc8
[ 2395.492872]  cdns3_gadget_exit+0x5c/0x120
[ 2395.496882]  cdns3_role_stop+0x60/0x90
[ 2395.500634]  cdns3_role_set+0x64/0xd8
[ 2395.504301]  usb_role_switch_set_role.part.0+0x3c/0x90
[ 2395.509444]  usb_role_switch_set_role+0x20/0x30
[ 2395.513978]  tcpm_mux_set+0x60/0xf8
[ 2395.517470]  tcpm_reset_port+0xa4/0xf0
[ 2395.521222]  tcpm_detach.part.0+0x44/0x50
[ 2395.525227]  tcpm_state_machine_work+0x8b0/0x2360
[ 2395.529932]  process_one_work+0x1c8/0x470
[ 2395.533939]  worker_thread+0x50/0x420
[ 2395.537603]  kthread+0x148/0x168
[ 2395.540830]  ret_from_fork+0x10/0x18
[ 2395.544399] handlers:
[ 2395.546671] [<000000008dea28da>] cdns3_wakeup_irq
[ 2395.551375] [<000000009fee5c61>] cdns3_drd_irq threaded [<000000005148eaec>] cdns3_drd_thread_irq
[ 2395.560255] Disabling IRQ torvalds#229
[ 2395.563454] configfs-gadget gadget: unbind function 'Mass Storage Function'/000000000132f835
[ 2395.563657] configfs-gadget gadget: unbind
[ 2395.563917] udc 5b130000.usb: releasing '5b130000.usb'

Fixes: 7733f6c ("usb: cdns3: Add Cadence USB3 DRD Driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
ruscur pushed a commit to ruscur/linux that referenced this pull request Sep 9, 2020
@felipebalbi
usb: cdns3: gadget: free interrupt after gadget has deleted
e9cc089 
The interrupt may occur during the gadget deletion, it fixes the
below oops.

[ 2394.974604] configfs-gadget gadget: suspend
[ 2395.042578] configfs-gadget 5b130000.usb: unregistering UDC driver [g1]
[ 2395.382562] irq 229: nobody cared (try booting with the "irqpoll" option)
[ 2395.389362] CPU: 0 PID: 301 Comm: kworker/u12:6 Not tainted 5.8.0-rc3-next-20200703-00060-g2f13b83cbf30-dirty torvalds#456
[ 2395.399712] Hardware name: Freescale i.MX8QM MEK (DT)
[ 2395.404782] Workqueue: 2-0051 tcpm_state_machine_work
[ 2395.409832] Call trace:
[ 2395.412289]  dump_backtrace+0x0/0x1d0
[ 2395.415950]  show_stack+0x1c/0x28
[ 2395.419271]  dump_stack+0xbc/0x118
[ 2395.422678]  __report_bad_irq+0x50/0xe0
[ 2395.426513]  note_interrupt+0x2cc/0x38c
[ 2395.430355]  handle_irq_event_percpu+0x88/0x90
[ 2395.434800]  handle_irq_event+0x4c/0xe8
[ 2395.438640]  handle_fasteoi_irq+0xbc/0x168
[ 2395.442740]  generic_handle_irq+0x34/0x48
[ 2395.446752]  __handle_domain_irq+0x68/0xc0
[ 2395.450846]  gic_handle_irq+0x64/0x150
[ 2395.454596]  el1_irq+0xb8/0x180
[ 2395.457733]  __do_softirq+0xac/0x3b8
[ 2395.461310]  irq_exit+0xc0/0xe0
[ 2395.464448]  __handle_domain_irq+0x6c/0xc0
[ 2395.468540]  gic_handle_irq+0x64/0x150
[ 2395.472295]  el1_irq+0xb8/0x180
[ 2395.475436]  _raw_spin_unlock_irqrestore+0x14/0x48
[ 2395.480232]  usb_gadget_disconnect+0x120/0x140
[ 2395.484678]  usb_gadget_remove_driver+0xb4/0xd0
[ 2395.489208]  usb_del_gadget+0x6c/0xc8
[ 2395.492872]  cdns3_gadget_exit+0x5c/0x120
[ 2395.496882]  cdns3_role_stop+0x60/0x90
[ 2395.500634]  cdns3_role_set+0x64/0xd8
[ 2395.504301]  usb_role_switch_set_role.part.0+0x3c/0x90
[ 2395.509444]  usb_role_switch_set_role+0x20/0x30
[ 2395.513978]  tcpm_mux_set+0x60/0xf8
[ 2395.517470]  tcpm_reset_port+0xa4/0xf0
[ 2395.521222]  tcpm_detach.part.0+0x44/0x50
[ 2395.525227]  tcpm_state_machine_work+0x8b0/0x2360
[ 2395.529932]  process_one_work+0x1c8/0x470
[ 2395.533939]  worker_thread+0x50/0x420
[ 2395.537603]  kthread+0x148/0x168
[ 2395.540830]  ret_from_fork+0x10/0x18
[ 2395.544399] handlers:
[ 2395.546671] [<000000008dea28da>] cdns3_wakeup_irq
[ 2395.551375] [<000000009fee5c61>] cdns3_drd_irq threaded [<000000005148eaec>] cdns3_drd_thread_irq
[ 2395.560255] Disabling IRQ torvalds#229
[ 2395.563454] configfs-gadget gadget: unbind function 'Mass Storage Function'/000000000132f835
[ 2395.563657] configfs-gadget gadget: unbind
[ 2395.563917] udc 5b130000.usb: releasing '5b130000.usb'

Fixes: 7733f6c ("usb: cdns3: Add Cadence USB3 DRD Driver")
Cc: <stable@vger.kernel.org>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
fengguang pushed a commit to 0day-ci/linux that referenced this pull request Sep 24, 2020
@felipebalbi
usb: cdns3: gadget: free interrupt after gadget has deleted
98df91f 
The interrupt may occur during the gadget deletion, it fixes the
below oops.

[ 2394.974604] configfs-gadget gadget: suspend
[ 2395.042578] configfs-gadget 5b130000.usb: unregistering UDC driver [g1]
[ 2395.382562] irq 229: nobody cared (try booting with the "irqpoll" option)
[ 2395.389362] CPU: 0 PID: 301 Comm: kworker/u12:6 Not tainted 5.8.0-rc3-next-20200703-00060-g2f13b83cbf30-dirty torvalds#456
[ 2395.399712] Hardware name: Freescale i.MX8QM MEK (DT)
[ 2395.404782] Workqueue: 2-0051 tcpm_state_machine_work
[ 2395.409832] Call trace:
[ 2395.412289]  dump_backtrace+0x0/0x1d0
[ 2395.415950]  show_stack+0x1c/0x28
[ 2395.419271]  dump_stack+0xbc/0x118
[ 2395.422678]  __report_bad_irq+0x50/0xe0
[ 2395.426513]  note_interrupt+0x2cc/0x38c
[ 2395.430355]  handle_irq_event_percpu+0x88/0x90
[ 2395.434800]  handle_irq_event+0x4c/0xe8
[ 2395.438640]  handle_fasteoi_irq+0xbc/0x168
[ 2395.442740]  generic_handle_irq+0x34/0x48
[ 2395.446752]  __handle_domain_irq+0x68/0xc0
[ 2395.450846]  gic_handle_irq+0x64/0x150
[ 2395.454596]  el1_irq+0xb8/0x180
[ 2395.457733]  __do_softirq+0xac/0x3b8
[ 2395.461310]  irq_exit+0xc0/0xe0
[ 2395.464448]  __handle_domain_irq+0x6c/0xc0
[ 2395.468540]  gic_handle_irq+0x64/0x150
[ 2395.472295]  el1_irq+0xb8/0x180
[ 2395.475436]  _raw_spin_unlock_irqrestore+0x14/0x48
[ 2395.480232]  usb_gadget_disconnect+0x120/0x140
[ 2395.484678]  usb_gadget_remove_driver+0xb4/0xd0
[ 2395.489208]  usb_del_gadget+0x6c/0xc8
[ 2395.492872]  cdns3_gadget_exit+0x5c/0x120
[ 2395.496882]  cdns3_role_stop+0x60/0x90
[ 2395.500634]  cdns3_role_set+0x64/0xd8
[ 2395.504301]  usb_role_switch_set_role.part.0+0x3c/0x90
[ 2395.509444]  usb_role_switch_set_role+0x20/0x30
[ 2395.513978]  tcpm_mux_set+0x60/0xf8
[ 2395.517470]  tcpm_reset_port+0xa4/0xf0
[ 2395.521222]  tcpm_detach.part.0+0x44/0x50
[ 2395.525227]  tcpm_state_machine_work+0x8b0/0x2360
[ 2395.529932]  process_one_work+0x1c8/0x470
[ 2395.533939]  worker_thread+0x50/0x420
[ 2395.537603]  kthread+0x148/0x168
[ 2395.540830]  ret_from_fork+0x10/0x18
[ 2395.544399] handlers:
[ 2395.546671] [<000000008dea28da>] cdns3_wakeup_irq
[ 2395.551375] [<000000009fee5c61>] cdns3_drd_irq threaded [<000000005148eaec>] cdns3_drd_thread_irq
[ 2395.560255] Disabling IRQ torvalds#229
[ 2395.563454] configfs-gadget gadget: unbind function 'Mass Storage Function'/000000000132f835
[ 2395.563657] configfs-gadget gadget: unbind
[ 2395.563917] udc 5b130000.usb: releasing '5b130000.usb'

Fixes: 7733f6c ("usb: cdns3: Add Cadence USB3 DRD Driver")
Cc: <stable@vger.kernel.org>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Noltari pushed a commit to Noltari/linux that referenced this pull request Oct 29, 2020
@gregkh
usb: cdns3: gadget: free interrupt after gadget has deleted
8011f45 
commit 98df91f upstream.

The interrupt may occur during the gadget deletion, it fixes the
below oops.

[ 2394.974604] configfs-gadget gadget: suspend
[ 2395.042578] configfs-gadget 5b130000.usb: unregistering UDC driver [g1]
[ 2395.382562] irq 229: nobody cared (try booting with the "irqpoll" option)
[ 2395.389362] CPU: 0 PID: 301 Comm: kworker/u12:6 Not tainted 5.8.0-rc3-next-20200703-00060-g2f13b83cbf30-dirty torvalds#456
[ 2395.399712] Hardware name: Freescale i.MX8QM MEK (DT)
[ 2395.404782] Workqueue: 2-0051 tcpm_state_machine_work
[ 2395.409832] Call trace:
[ 2395.412289]  dump_backtrace+0x0/0x1d0
[ 2395.415950]  show_stack+0x1c/0x28
[ 2395.419271]  dump_stack+0xbc/0x118
[ 2395.422678]  __report_bad_irq+0x50/0xe0
[ 2395.426513]  note_interrupt+0x2cc/0x38c
[ 2395.430355]  handle_irq_event_percpu+0x88/0x90
[ 2395.434800]  handle_irq_event+0x4c/0xe8
[ 2395.438640]  handle_fasteoi_irq+0xbc/0x168
[ 2395.442740]  generic_handle_irq+0x34/0x48
[ 2395.446752]  __handle_domain_irq+0x68/0xc0
[ 2395.450846]  gic_handle_irq+0x64/0x150
[ 2395.454596]  el1_irq+0xb8/0x180
[ 2395.457733]  __do_softirq+0xac/0x3b8
[ 2395.461310]  irq_exit+0xc0/0xe0
[ 2395.464448]  __handle_domain_irq+0x6c/0xc0
[ 2395.468540]  gic_handle_irq+0x64/0x150
[ 2395.472295]  el1_irq+0xb8/0x180
[ 2395.475436]  _raw_spin_unlock_irqrestore+0x14/0x48
[ 2395.480232]  usb_gadget_disconnect+0x120/0x140
[ 2395.484678]  usb_gadget_remove_driver+0xb4/0xd0
[ 2395.489208]  usb_del_gadget+0x6c/0xc8
[ 2395.492872]  cdns3_gadget_exit+0x5c/0x120
[ 2395.496882]  cdns3_role_stop+0x60/0x90
[ 2395.500634]  cdns3_role_set+0x64/0xd8
[ 2395.504301]  usb_role_switch_set_role.part.0+0x3c/0x90
[ 2395.509444]  usb_role_switch_set_role+0x20/0x30
[ 2395.513978]  tcpm_mux_set+0x60/0xf8
[ 2395.517470]  tcpm_reset_port+0xa4/0xf0
[ 2395.521222]  tcpm_detach.part.0+0x44/0x50
[ 2395.525227]  tcpm_state_machine_work+0x8b0/0x2360
[ 2395.529932]  process_one_work+0x1c8/0x470
[ 2395.533939]  worker_thread+0x50/0x420
[ 2395.537603]  kthread+0x148/0x168
[ 2395.540830]  ret_from_fork+0x10/0x18
[ 2395.544399] handlers:
[ 2395.546671] [<000000008dea28da>] cdns3_wakeup_irq
[ 2395.551375] [<000000009fee5c61>] cdns3_drd_irq threaded [<000000005148eaec>] cdns3_drd_thread_irq
[ 2395.560255] Disabling IRQ torvalds#229
[ 2395.563454] configfs-gadget gadget: unbind function 'Mass Storage Function'/000000000132f835
[ 2395.563657] configfs-gadget gadget: unbind
[ 2395.563917] udc 5b130000.usb: releasing '5b130000.usb'

Fixes: 7733f6c ("usb: cdns3: Add Cadence USB3 DRD Driver")
Cc: <stable@vger.kernel.org>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
damentz referenced this pull request in zen-kernel/zen-kernel Oct 29, 2020
@gregkh
usb: cdns3: gadget: free interrupt after gadget has deleted
d33abbe 
commit 98df91f upstream.

The interrupt may occur during the gadget deletion, it fixes the
below oops.

[ 2394.974604] configfs-gadget gadget: suspend
[ 2395.042578] configfs-gadget 5b130000.usb: unregistering UDC driver [g1]
[ 2395.382562] irq 229: nobody cared (try booting with the "irqpoll" option)
[ 2395.389362] CPU: 0 PID: 301 Comm: kworker/u12:6 Not tainted 5.8.0-rc3-next-20200703-00060-g2f13b83cbf30-dirty torvalds#456
[ 2395.399712] Hardware name: Freescale i.MX8QM MEK (DT)
[ 2395.404782] Workqueue: 2-0051 tcpm_state_machine_work
[ 2395.409832] Call trace:
[ 2395.412289]  dump_backtrace+0x0/0x1d0
[ 2395.415950]  show_stack+0x1c/0x28
[ 2395.419271]  dump_stack+0xbc/0x118
[ 2395.422678]  __report_bad_irq+0x50/0xe0
[ 2395.426513]  note_interrupt+0x2cc/0x38c
[ 2395.430355]  handle_irq_event_percpu+0x88/0x90
[ 2395.434800]  handle_irq_event+0x4c/0xe8
[ 2395.438640]  handle_fasteoi_irq+0xbc/0x168
[ 2395.442740]  generic_handle_irq+0x34/0x48
[ 2395.446752]  __handle_domain_irq+0x68/0xc0
[ 2395.450846]  gic_handle_irq+0x64/0x150
[ 2395.454596]  el1_irq+0xb8/0x180
[ 2395.457733]  __do_softirq+0xac/0x3b8
[ 2395.461310]  irq_exit+0xc0/0xe0
[ 2395.464448]  __handle_domain_irq+0x6c/0xc0
[ 2395.468540]  gic_handle_irq+0x64/0x150
[ 2395.472295]  el1_irq+0xb8/0x180
[ 2395.475436]  _raw_spin_unlock_irqrestore+0x14/0x48
[ 2395.480232]  usb_gadget_disconnect+0x120/0x140
[ 2395.484678]  usb_gadget_remove_driver+0xb4/0xd0
[ 2395.489208]  usb_del_gadget+0x6c/0xc8
[ 2395.492872]  cdns3_gadget_exit+0x5c/0x120
[ 2395.496882]  cdns3_role_stop+0x60/0x90
[ 2395.500634]  cdns3_role_set+0x64/0xd8
[ 2395.504301]  usb_role_switch_set_role.part.0+0x3c/0x90
[ 2395.509444]  usb_role_switch_set_role+0x20/0x30
[ 2395.513978]  tcpm_mux_set+0x60/0xf8
[ 2395.517470]  tcpm_reset_port+0xa4/0xf0
[ 2395.521222]  tcpm_detach.part.0+0x44/0x50
[ 2395.525227]  tcpm_state_machine_work+0x8b0/0x2360
[ 2395.529932]  process_one_work+0x1c8/0x470
[ 2395.533939]  worker_thread+0x50/0x420
[ 2395.537603]  kthread+0x148/0x168
[ 2395.540830]  ret_from_fork+0x10/0x18
[ 2395.544399] handlers:
[ 2395.546671] [<000000008dea28da>] cdns3_wakeup_irq
[ 2395.551375] [<000000009fee5c61>] cdns3_drd_irq threaded [<000000005148eaec>] cdns3_drd_thread_irq
[ 2395.560255] Disabling IRQ #229
[ 2395.563454] configfs-gadget gadget: unbind function 'Mass Storage Function'/000000000132f835
[ 2395.563657] configfs-gadget gadget: unbind
[ 2395.563917] udc 5b130000.usb: releasing '5b130000.usb'

Fixes: 7733f6c ("usb: cdns3: Add Cadence USB3 DRD Driver")
Cc: <stable@vger.kernel.org>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
heftig referenced this pull request in zen-kernel/zen-kernel Oct 29, 2020
@gregkh
usb: cdns3: gadget: free interrupt after gadget has deleted
c9c31dc 
commit 98df91f upstream.

The interrupt may occur during the gadget deletion, it fixes the
below oops.

[ 2394.974604] configfs-gadget gadget: suspend
[ 2395.042578] configfs-gadget 5b130000.usb: unregistering UDC driver [g1]
[ 2395.382562] irq 229: nobody cared (try booting with the "irqpoll" option)
[ 2395.389362] CPU: 0 PID: 301 Comm: kworker/u12:6 Not tainted 5.8.0-rc3-next-20200703-00060-g2f13b83cbf30-dirty torvalds#456
[ 2395.399712] Hardware name: Freescale i.MX8QM MEK (DT)
[ 2395.404782] Workqueue: 2-0051 tcpm_state_machine_work
[ 2395.409832] Call trace:
[ 2395.412289]  dump_backtrace+0x0/0x1d0
[ 2395.415950]  show_stack+0x1c/0x28
[ 2395.419271]  dump_stack+0xbc/0x118
[ 2395.422678]  __report_bad_irq+0x50/0xe0
[ 2395.426513]  note_interrupt+0x2cc/0x38c
[ 2395.430355]  handle_irq_event_percpu+0x88/0x90
[ 2395.434800]  handle_irq_event+0x4c/0xe8
[ 2395.438640]  handle_fasteoi_irq+0xbc/0x168
[ 2395.442740]  generic_handle_irq+0x34/0x48
[ 2395.446752]  __handle_domain_irq+0x68/0xc0
[ 2395.450846]  gic_handle_irq+0x64/0x150
[ 2395.454596]  el1_irq+0xb8/0x180
[ 2395.457733]  __do_softirq+0xac/0x3b8
[ 2395.461310]  irq_exit+0xc0/0xe0
[ 2395.464448]  __handle_domain_irq+0x6c/0xc0
[ 2395.468540]  gic_handle_irq+0x64/0x150
[ 2395.472295]  el1_irq+0xb8/0x180
[ 2395.475436]  _raw_spin_unlock_irqrestore+0x14/0x48
[ 2395.480232]  usb_gadget_disconnect+0x120/0x140
[ 2395.484678]  usb_gadget_remove_driver+0xb4/0xd0
[ 2395.489208]  usb_del_gadget+0x6c/0xc8
[ 2395.492872]  cdns3_gadget_exit+0x5c/0x120
[ 2395.496882]  cdns3_role_stop+0x60/0x90
[ 2395.500634]  cdns3_role_set+0x64/0xd8
[ 2395.504301]  usb_role_switch_set_role.part.0+0x3c/0x90
[ 2395.509444]  usb_role_switch_set_role+0x20/0x30
[ 2395.513978]  tcpm_mux_set+0x60/0xf8
[ 2395.517470]  tcpm_reset_port+0xa4/0xf0
[ 2395.521222]  tcpm_detach.part.0+0x44/0x50
[ 2395.525227]  tcpm_state_machine_work+0x8b0/0x2360
[ 2395.529932]  process_one_work+0x1c8/0x470
[ 2395.533939]  worker_thread+0x50/0x420
[ 2395.537603]  kthread+0x148/0x168
[ 2395.540830]  ret_from_fork+0x10/0x18
[ 2395.544399] handlers:
[ 2395.546671] [<000000008dea28da>] cdns3_wakeup_irq
[ 2395.551375] [<000000009fee5c61>] cdns3_drd_irq threaded [<000000005148eaec>] cdns3_drd_thread_irq
[ 2395.560255] Disabling IRQ #229
[ 2395.563454] configfs-gadget gadget: unbind function 'Mass Storage Function'/000000000132f835
[ 2395.563657] configfs-gadget gadget: unbind
[ 2395.563917] udc 5b130000.usb: releasing '5b130000.usb'

Fixes: 7733f6c ("usb: cdns3: Add Cadence USB3 DRD Driver")
Cc: <stable@vger.kernel.org>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
borkmann added a commit to cilium/linux that referenced this pull request Jul 6, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
747d1bf 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 7, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
ae30239 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 7, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
ede6dd2 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 7, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
04f9c44 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 7, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
cb8da08 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 7, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
cd9defc 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 7, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
7b1df14 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 7, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
c9463bb 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 10, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
241e5b9 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 10, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
e89068e 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 10, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
9dcfad8 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 10, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
7b997c2 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 10, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
2858dea 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 10, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
4f5f86f 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 10, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
242ac26 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 10, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
205ce90 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 11, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
88008f6 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 11, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
effe3a1 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 11, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
e2f3f5b 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 12, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
cc2e49b 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 13, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
b8ffadc 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 13, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
a534e90 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 13, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
e2244fa 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 13, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
5ea13f4 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 14, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
59ac9b3 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 14, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
3c60f7d 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 14, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
c9cba7c 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
borkmann added a commit to cilium/linux that referenced this pull request Jul 19, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
ab7a4b1 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
intel-lab-lkp pushed a commit to intel-lab-lkp/linux that referenced this pull request Jul 19, 2023
@borkmann
selftests/bpf: Add mprog API tests for BPF tcx links
c6d479b 
Add a big batch of test coverage to assert all aspects of the tcx link API:

  # ./vmtest.sh -- ./test_progs -t tc_links
  [...]
  torvalds#225     tc_links_after:OK
  torvalds#226     tc_links_append:OK
  torvalds#227     tc_links_basic:OK
  torvalds#228     tc_links_before:OK
  torvalds#229     tc_links_chain_classic:OK
  torvalds#230     tc_links_dev_cleanup:OK
  torvalds#231     tc_links_invalid:OK
  torvalds#232     tc_links_prepend:OK
  torvalds#233     tc_links_replace:OK
  torvalds#234     tc_links_revision:OK
  Summary: 10/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20230719140858.13224-9-daniel@iogearbox.net
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
RadxaStephen added a commit to RadxaStephen/linux that referenced this pull request Mar 6, 2024
@RadxaStephen
Merge pull request torvalds#229 from vamrs-feng/hdmi_resolution
425b075 
Changes:
  * Radxa CM3 IO: Set preferred resolution

Signed-off-by: Stephen Chen <stephen@radxa.com>
This pull request was closed.
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@evieluvsrainbows @jeffmerkey