The TIMER_PERIOD should be calculated using the timer interrupt frequenc... #67
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popcornmix
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Aug 10, 2012
The TIMER_PERIOD should be calculated using the timer interrupt frequenc...
popcornmix
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May 20, 2013
… size commit 091d0d5 upstream. Dave reported an oops triggered by trinity: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: newseg+0x10d/0x390 PGD cf8c1067 PUD cf8c2067 PMD 0 Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC CPU: 2 PID: 7636 Comm: trinity-child2 Not tainted 3.9.0+#67 ... Call Trace: ipcget+0x182/0x380 SyS_shmget+0x5a/0x60 tracesys+0xdd/0xe2 This bug was introduced by commit af73e4d ("hugetlbfs: fix mmap failure in unaligned size request"). Reported-by: Dave Jones <davej@redhat.com> Signed-off-by: Li Zefan <lizfan@huawei.com> Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
popcornmix
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Nov 4, 2013
…ce locking" This reverts commit 1f962eb. This is one of four patches that was causing this bug [ 205.372823] ================================================ [ 205.372901] [ BUG: lock held when returning to user space! ] [ 205.372979] 3.12.0-rc6-hw-debug-pagealloc+ #67 Not tainted [ 205.373055] ------------------------------------------------ [ 205.373132] megarc.bin/5283 is leaving the kernel with locks still held! [ 205.373212] 1 lock held by megarc.bin/5283: [ 205.373285] #0: (&sdp->o_sem){.+.+..}, at: [<ffffffff8161e650>] sg_open+0x3a0/0x4d0 Cc: Vaughan Cao <vaughan.cao@oracle.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
popcornmix
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Nov 4, 2013
This reverts commit e32c9e6. This is one of four patches that was causing this bug [ 205.372823] ================================================ [ 205.372901] [ BUG: lock held when returning to user space! ] [ 205.372979] 3.12.0-rc6-hw-debug-pagealloc+ #67 Not tainted [ 205.373055] ------------------------------------------------ [ 205.373132] megarc.bin/5283 is leaving the kernel with locks still held! [ 205.373212] 1 lock held by megarc.bin/5283: [ 205.373285] #0: (&sdp->o_sem){.+.+..}, at: [<ffffffff8161e650>] sg_open+0x3a0/0x4d0 Cc: Vaughan Cao <vaughan.cao@oracle.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
popcornmix
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Nov 4, 2013
This reverts commit 00b2d9d. This is one of four patches that was causing this bug [ 205.372823] ================================================ [ 205.372901] [ BUG: lock held when returning to user space! ] [ 205.372979] 3.12.0-rc6-hw-debug-pagealloc+ #67 Not tainted [ 205.373055] ------------------------------------------------ [ 205.373132] megarc.bin/5283 is leaving the kernel with locks still held! [ 205.373212] 1 lock held by megarc.bin/5283: [ 205.373285] #0: (&sdp->o_sem){.+.+..}, at: [<ffffffff8161e650>] sg_open+0x3a0/0x4d0 Cc: Vaughan Cao <vaughan.cao@oracle.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
popcornmix
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Nov 4, 2013
This reverts commit 15b06f9. This is one of four patches that was causing this bug [ 205.372823] ================================================ [ 205.372901] [ BUG: lock held when returning to user space! ] [ 205.372979] 3.12.0-rc6-hw-debug-pagealloc+ #67 Not tainted [ 205.373055] ------------------------------------------------ [ 205.373132] megarc.bin/5283 is leaving the kernel with locks still held! [ 205.373212] 1 lock held by megarc.bin/5283: [ 205.373285] #0: (&sdp->o_sem){.+.+..}, at: [<ffffffff8161e650>] sg_open+0x3a0/0x4d0 Cc: Vaughan Cao <vaughan.cao@oracle.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
popcornmix
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Aug 11, 2021
Our syzcaller report a NULL pointer dereference: BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 116e95067 P4D 116e95067 PUD 1080b5067 PMD 0 Oops: 0010 [#1] SMP KASAN CPU: 7 PID: 592 Comm: a.out Not tainted 5.13.0-next-20210629-dirty #67 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-p4 RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffff888114e779b8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff110229cef39 RCX: ffffffffaa67e1aa RDX: 0000000000000000 RSI: ffff88810a58ee00 RDI: ffff8881233180b0 RBP: ffffffffac38e9c0 R08: ffffffffaa67e17e R09: 0000000000000001 R10: ffffffffb91c5557 R11: fffffbfff7238aaa R12: ffff88810a58ee00 R13: ffff888114e77aa0 R14: 0000000000000000 R15: ffff8881233180b0 FS: 00007f946163c480(0000) GS:ffff88839f1c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000001099c1000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lookup_slow+0x116/0x2d0 ? page_put_link+0x120/0x120 ? __d_lookup+0xfc/0x320 ? d_lookup+0x49/0x90 lookup_one_len+0x13c/0x170 ? __lookup_slow+0x2d0/0x2d0 ? reiserfs_schedule_old_flush+0x31/0x130 reiserfs_lookup_privroot+0x64/0x150 reiserfs_fill_super+0x158c/0x1b90 ? finish_unfinished+0xb10/0xb10 ? bprintf+0xe0/0xe0 ? __mutex_lock_slowpath+0x30/0x30 ? __kasan_check_write+0x20/0x30 ? up_write+0x51/0xb0 ? set_blocksize+0x9f/0x1f0 mount_bdev+0x27c/0x2d0 ? finish_unfinished+0xb10/0xb10 ? reiserfs_kill_sb+0x120/0x120 get_super_block+0x19/0x30 legacy_get_tree+0x76/0xf0 vfs_get_tree+0x49/0x160 ? capable+0x1d/0x30 path_mount+0xacc/0x1380 ? putname+0x97/0xd0 ? finish_automount+0x450/0x450 ? kmem_cache_free+0xf8/0x5a0 ? putname+0x97/0xd0 do_mount+0xe2/0x110 ? path_mount+0x1380/0x1380 ? copy_mount_options+0x69/0x140 __x64_sys_mount+0xf0/0x190 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae This is because 'root_inode' is initialized with wrong mode, and it's i_op is set to 'reiserfs_special_inode_operations'. Thus add check for 'root_inode' to fix the problem. Link: https://lore.kernel.org/r/20210702040743.1918552-1-yukuai3@huawei.com Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Jan Kara <jack@suse.cz>
popcornmix
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Aug 17, 2021
[ Upstream commit 2acf15b ] Our syzcaller report a NULL pointer dereference: BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 116e95067 P4D 116e95067 PUD 1080b5067 PMD 0 Oops: 0010 [#1] SMP KASAN CPU: 7 PID: 592 Comm: a.out Not tainted 5.13.0-next-20210629-dirty #67 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-p4 RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffff888114e779b8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff110229cef39 RCX: ffffffffaa67e1aa RDX: 0000000000000000 RSI: ffff88810a58ee00 RDI: ffff8881233180b0 RBP: ffffffffac38e9c0 R08: ffffffffaa67e17e R09: 0000000000000001 R10: ffffffffb91c5557 R11: fffffbfff7238aaa R12: ffff88810a58ee00 R13: ffff888114e77aa0 R14: 0000000000000000 R15: ffff8881233180b0 FS: 00007f946163c480(0000) GS:ffff88839f1c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000001099c1000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lookup_slow+0x116/0x2d0 ? page_put_link+0x120/0x120 ? __d_lookup+0xfc/0x320 ? d_lookup+0x49/0x90 lookup_one_len+0x13c/0x170 ? __lookup_slow+0x2d0/0x2d0 ? reiserfs_schedule_old_flush+0x31/0x130 reiserfs_lookup_privroot+0x64/0x150 reiserfs_fill_super+0x158c/0x1b90 ? finish_unfinished+0xb10/0xb10 ? bprintf+0xe0/0xe0 ? __mutex_lock_slowpath+0x30/0x30 ? __kasan_check_write+0x20/0x30 ? up_write+0x51/0xb0 ? set_blocksize+0x9f/0x1f0 mount_bdev+0x27c/0x2d0 ? finish_unfinished+0xb10/0xb10 ? reiserfs_kill_sb+0x120/0x120 get_super_block+0x19/0x30 legacy_get_tree+0x76/0xf0 vfs_get_tree+0x49/0x160 ? capable+0x1d/0x30 path_mount+0xacc/0x1380 ? putname+0x97/0xd0 ? finish_automount+0x450/0x450 ? kmem_cache_free+0xf8/0x5a0 ? putname+0x97/0xd0 do_mount+0xe2/0x110 ? path_mount+0x1380/0x1380 ? copy_mount_options+0x69/0x140 __x64_sys_mount+0xf0/0x190 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae This is because 'root_inode' is initialized with wrong mode, and it's i_op is set to 'reiserfs_special_inode_operations'. Thus add check for 'root_inode' to fix the problem. Link: https://lore.kernel.org/r/20210702040743.1918552-1-yukuai3@huawei.com Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Sasha Levin <sashal@kernel.org>
popcornmix
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Aug 21, 2021
[ Upstream commit 2acf15b ] Our syzcaller report a NULL pointer dereference: BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 116e95067 P4D 116e95067 PUD 1080b5067 PMD 0 Oops: 0010 [#1] SMP KASAN CPU: 7 PID: 592 Comm: a.out Not tainted 5.13.0-next-20210629-dirty #67 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-p4 RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffff888114e779b8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff110229cef39 RCX: ffffffffaa67e1aa RDX: 0000000000000000 RSI: ffff88810a58ee00 RDI: ffff8881233180b0 RBP: ffffffffac38e9c0 R08: ffffffffaa67e17e R09: 0000000000000001 R10: ffffffffb91c5557 R11: fffffbfff7238aaa R12: ffff88810a58ee00 R13: ffff888114e77aa0 R14: 0000000000000000 R15: ffff8881233180b0 FS: 00007f946163c480(0000) GS:ffff88839f1c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000001099c1000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lookup_slow+0x116/0x2d0 ? page_put_link+0x120/0x120 ? __d_lookup+0xfc/0x320 ? d_lookup+0x49/0x90 lookup_one_len+0x13c/0x170 ? __lookup_slow+0x2d0/0x2d0 ? reiserfs_schedule_old_flush+0x31/0x130 reiserfs_lookup_privroot+0x64/0x150 reiserfs_fill_super+0x158c/0x1b90 ? finish_unfinished+0xb10/0xb10 ? bprintf+0xe0/0xe0 ? __mutex_lock_slowpath+0x30/0x30 ? __kasan_check_write+0x20/0x30 ? up_write+0x51/0xb0 ? set_blocksize+0x9f/0x1f0 mount_bdev+0x27c/0x2d0 ? finish_unfinished+0xb10/0xb10 ? reiserfs_kill_sb+0x120/0x120 get_super_block+0x19/0x30 legacy_get_tree+0x76/0xf0 vfs_get_tree+0x49/0x160 ? capable+0x1d/0x30 path_mount+0xacc/0x1380 ? putname+0x97/0xd0 ? finish_automount+0x450/0x450 ? kmem_cache_free+0xf8/0x5a0 ? putname+0x97/0xd0 do_mount+0xe2/0x110 ? path_mount+0x1380/0x1380 ? copy_mount_options+0x69/0x140 __x64_sys_mount+0xf0/0x190 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae This is because 'root_inode' is initialized with wrong mode, and it's i_op is set to 'reiserfs_special_inode_operations'. Thus add check for 'root_inode' to fix the problem. Link: https://lore.kernel.org/r/20210702040743.1918552-1-yukuai3@huawei.com Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Sasha Levin <sashal@kernel.org>
xukuohai
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May 9, 2022
Add bpf trampoline support for arm64. Most of the logic is the same as x86. fentry before bpf trampoline hooked: mov x9, x30 nop fentry after bpf trampoline hooked: mov x9, x30 bl <bpf_trampoline> Tested on qemu, result: raspberrypi#18 bpf_tcp_ca:OK raspberrypi#51 dummy_st_ops:OK raspberrypi#55 fentry_fexit:OK raspberrypi#56 fentry_test:OK raspberrypi#57 fexit_bpf2bpf:OK raspberrypi#58 fexit_sleep:OK raspberrypi#59 fexit_stress:OK raspberrypi#60 fexit_test:OK raspberrypi#67 get_func_args_test:OK raspberrypi#68 get_func_ip_test:OK raspberrypi#101 modify_return:OK raspberrypi#233 xdp_bpf2bpf:OK Signed-off-by: Xu Kuohai <xukuohai@huawei.com> Acked-by: Song Liu <songliubraving@fb.com>
xukuohai
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May 12, 2022
Add bpf trampoline support for arm64. Most of the logic is the same as x86. fentry before bpf trampoline hooked: mov x9, x30 nop fentry after bpf trampoline hooked: mov x9, x30 bl <bpf_trampoline> Tested on qemu, result: raspberrypi#18 bpf_tcp_ca:OK raspberrypi#51 dummy_st_ops:OK raspberrypi#55 fentry_fexit:OK raspberrypi#56 fentry_test:OK raspberrypi#57 fexit_bpf2bpf:OK raspberrypi#58 fexit_sleep:OK raspberrypi#59 fexit_stress:OK raspberrypi#60 fexit_test:OK raspberrypi#67 get_func_args_test:OK raspberrypi#68 get_func_ip_test:OK raspberrypi#101 modify_return:OK raspberrypi#233 xdp_bpf2bpf:OK Signed-off-by: Xu Kuohai <xukuohai@huawei.com> Acked-by: Song Liu <songliubraving@fb.com>
popcornmix
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Aug 23, 2022
To set the panel orientation property with quirk, we need the mode size provided by EDID. This info is available after EDID is read by dc_link_detect() and updated by amdgpu_dm_update_connector_after_detect(). The detection happens at driver load in amdgpu_dm_initialize_drm_device() and, therefore, we can get modes and set panel orientation before drm_dev_register() to avoid DRM warns on creating the connector property after device registration: [ 2.563969] ------------[ cut here ]------------ [ 2.563971] WARNING: CPU: 6 PID: 325 at drivers/gpu/drm/drm_mode_object.c:45 drm_mode_object_add+0x72/0x80 [drm] [ 2.563997] Modules linked in: btusb btrtl btbcm btintel btmtk bluetooth rfkill ecdh_generic ecc usbhid crc16 amdgpu(+) drm_ttm_helper ttm agpgart gpu_sched i2c_algo_bit drm_display_helper drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm serio_raw sdhci_pci atkbd libps2 cqhci vivaldi_fmap ccp sdhci i8042 crct10dif_pclmul crc32_pclmul hid_multitouch ghash_clmulni_intel aesni_intel crypto_simd cryptd wdat_wdt mmc_core cec xhci_pci sp5100_tco rng_core xhci_pci_renesas serio 8250_dw i2c_hid_acpi i2c_hid btrfs blake2b_generic libcrc32c crc32c_generic crc32c_intel xor raid6_pq dm_mirror dm_region_hash dm_log dm_mod pkcs8_key_parser crypto_user [ 2.564032] CPU: 6 PID: 325 Comm: systemd-udevd Not tainted 5.18.0-amd-staging-drm-next+ #67 [ 2.564034] Hardware name: Valve Jupiter/Jupiter, BIOS F7A0105 03/21/2022 [ 2.564036] RIP: 0010:drm_mode_object_add+0x72/0x80 [drm] [ 2.564053] Code: f0 89 c3 85 c0 78 07 89 45 00 44 89 65 04 4c 89 ef e8 e2 99 04 f1 31 c0 85 db 0f 4e c3 5b 5d 41 5c 41 5d c3 80 7f 50 00 74 ac <0f> 0b eb a8 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 4c [ 2.564055] RSP: 0018:ffffb2e880413860 EFLAGS: 00010202 [ 2.564056] RAX: ffffffffc0ba1440 RBX: ffff99508a860010 RCX: 0000000000000001 [ 2.564057] RDX: 00000000b0b0b0b0 RSI: ffff99508c050110 RDI: ffff99508a860010 [ 2.564058] RBP: ffff99508c050110 R08: 0000000000000020 R09: ffff99508c292c20 [ 2.564059] R10: 0000000000000000 R11: ffff99508c0507d8 R12: 00000000b0b0b0b0 [ 2.564060] R13: 0000000000000004 R14: ffffffffc068a4b6 R15: ffffffffc068a47f [ 2.564061] FS: 00007fc69b5f1a40(0000) GS:ffff9953aff80000(0000) knlGS:0000000000000000 [ 2.564063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.564063] CR2: 00007f9506804000 CR3: 0000000107f92000 CR4: 0000000000350ee0 [ 2.564065] Call Trace: [ 2.564068] <TASK> [ 2.564070] drm_property_create+0xc9/0x170 [drm] [ 2.564088] drm_property_create_enum+0x1f/0x70 [drm] [ 2.564105] drm_connector_set_panel_orientation_with_quirk+0x96/0xc0 [drm] [ 2.564123] get_modes+0x4fb/0x530 [amdgpu] [ 2.564378] drm_helper_probe_single_connector_modes+0x1ad/0x850 [drm_kms_helper] [ 2.564390] drm_client_modeset_probe+0x229/0x1400 [drm] [ 2.564411] ? xas_store+0x52/0x5e0 [ 2.564416] ? kmem_cache_alloc_trace+0x177/0x2c0 [ 2.564420] __drm_fb_helper_initial_config_and_unlock+0x44/0x4e0 [drm_kms_helper] [ 2.564430] drm_fbdev_client_hotplug+0x173/0x210 [drm_kms_helper] [ 2.564438] drm_fbdev_generic_setup+0xa5/0x166 [drm_kms_helper] [ 2.564446] amdgpu_pci_probe+0x35e/0x370 [amdgpu] [ 2.564621] local_pci_probe+0x45/0x80 [ 2.564625] ? pci_match_device+0xd7/0x130 [ 2.564627] pci_device_probe+0xbf/0x220 [ 2.564629] ? sysfs_do_create_link_sd+0x69/0xd0 [ 2.564633] really_probe+0x19c/0x380 [ 2.564637] __driver_probe_device+0xfe/0x180 [ 2.564639] driver_probe_device+0x1e/0x90 [ 2.564641] __driver_attach+0xc0/0x1c0 [ 2.564643] ? __device_attach_driver+0xe0/0xe0 [ 2.564644] ? __device_attach_driver+0xe0/0xe0 [ 2.564646] bus_for_each_dev+0x78/0xc0 [ 2.564648] bus_add_driver+0x149/0x1e0 [ 2.564650] driver_register+0x8f/0xe0 [ 2.564652] ? 0xffffffffc1023000 [ 2.564654] do_one_initcall+0x44/0x200 [ 2.564657] ? kmem_cache_alloc_trace+0x177/0x2c0 [ 2.564659] do_init_module+0x4c/0x250 [ 2.564663] __do_sys_init_module+0x12e/0x1b0 [ 2.564666] do_syscall_64+0x3b/0x90 [ 2.564670] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2.564673] RIP: 0033:0x7fc69bff232e [ 2.564674] Code: 48 8b 0d 45 0b 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 12 0b 0c 00 f7 d8 64 89 01 48 [ 2.564676] RSP: 002b:00007ffe872ba3e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 2.564677] RAX: ffffffffffffffda RBX: 000055873f797820 RCX: 00007fc69bff232e [ 2.564678] RDX: 000055873f7bf390 RSI: 0000000001155e81 RDI: 00007fc699e4d010 [ 2.564679] RBP: 00007fc699e4d010 R08: 000055873f7bfe20 R09: 0000000001155e90 [ 2.564680] R10: 000000055873f7bf R11: 0000000000000246 R12: 000055873f7bf390 [ 2.564681] R13: 000000000000000d R14: 000055873f7c4cb0 R15: 000055873f797820 [ 2.564683] </TASK> [ 2.564683] ---[ end trace 0000000000000000 ]--- [ 2.564696] ------------[ cut here ]------------ [ 2.564696] WARNING: CPU: 6 PID: 325 at drivers/gpu/drm/drm_mode_object.c:242 drm_object_attach_property+0x52/0x80 [drm] [ 2.564717] Modules linked in: btusb btrtl btbcm btintel btmtk bluetooth rfkill ecdh_generic ecc usbhid crc16 amdgpu(+) drm_ttm_helper ttm agpgart gpu_sched i2c_algo_bit drm_display_helper drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm serio_raw sdhci_pci atkbd libps2 cqhci vivaldi_fmap ccp sdhci i8042 crct10dif_pclmul crc32_pclmul hid_multitouch ghash_clmulni_intel aesni_intel crypto_simd cryptd wdat_wdt mmc_core cec xhci_pci sp5100_tco rng_core xhci_pci_renesas serio 8250_dw i2c_hid_acpi i2c_hid btrfs blake2b_generic libcrc32c crc32c_generic crc32c_intel xor raid6_pq dm_mirror dm_region_hash dm_log dm_mod pkcs8_key_parser crypto_user [ 2.564738] CPU: 6 PID: 325 Comm: systemd-udevd Tainted: G W 5.18.0-amd-staging-drm-next+ #67 [ 2.564740] Hardware name: Valve Jupiter/Jupiter, BIOS F7A0105 03/21/2022 [ 2.564741] RIP: 0010:drm_object_attach_property+0x52/0x80 [drm] [ 2.564759] Code: 2d 83 f8 18 74 33 48 89 74 c1 08 48 8b 4f 08 48 89 94 c1 c8 00 00 00 48 8b 47 08 83 00 01 c3 4d 85 d2 75 dd 83 7f 58 01 75 d7 <0f> 0b eb d3 41 80 78 50 00 74 cc 0f 0b eb c8 44 89 ce 48 c7 c7 28 [ 2.564760] RSP: 0018:ffffb2e8804138d8 EFLAGS: 00010246 [ 2.564761] RAX: 0000000000000010 RBX: ffff99508c1a2000 RCX: ffff99508c1a2180 [ 2.564762] RDX: 0000000000000003 RSI: ffff99508c050100 RDI: ffff99508c1a2040 [ 2.564763] RBP: 00000000ffffffff R08: ffff99508a860010 R09: 00000000c0c0c0c0 [ 2.564763] R10: 0000000000000000 R11: 0000000000000020 R12: ffff99508a860010 [ 2.564764] R13: ffff995088733008 R14: ffff99508c1a2000 R15: ffffffffc068a47f [ 2.564765] FS: 00007fc69b5f1a40(0000) GS:ffff9953aff80000(0000) knlGS:0000000000000000 [ 2.564766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.564767] CR2: 00007f9506804000 CR3: 0000000107f92000 CR4: 0000000000350ee0 [ 2.564768] Call Trace: [ 2.564769] <TASK> [ 2.564770] drm_connector_set_panel_orientation_with_quirk+0x4a/0xc0 [drm] [ 2.564789] get_modes+0x4fb/0x530 [amdgpu] [ 2.565024] drm_helper_probe_single_connector_modes+0x1ad/0x850 [drm_kms_helper] [ 2.565036] drm_client_modeset_probe+0x229/0x1400 [drm] [ 2.565056] ? xas_store+0x52/0x5e0 [ 2.565060] ? kmem_cache_alloc_trace+0x177/0x2c0 [ 2.565062] __drm_fb_helper_initial_config_and_unlock+0x44/0x4e0 [drm_kms_helper] [ 2.565072] drm_fbdev_client_hotplug+0x173/0x210 [drm_kms_helper] [ 2.565080] drm_fbdev_generic_setup+0xa5/0x166 [drm_kms_helper] [ 2.565088] amdgpu_pci_probe+0x35e/0x370 [amdgpu] [ 2.565261] local_pci_probe+0x45/0x80 [ 2.565263] ? pci_match_device+0xd7/0x130 [ 2.565265] pci_device_probe+0xbf/0x220 [ 2.565267] ? sysfs_do_create_link_sd+0x69/0xd0 [ 2.565268] really_probe+0x19c/0x380 [ 2.565270] __driver_probe_device+0xfe/0x180 [ 2.565272] driver_probe_device+0x1e/0x90 [ 2.565274] __driver_attach+0xc0/0x1c0 [ 2.565276] ? __device_attach_driver+0xe0/0xe0 [ 2.565278] ? __device_attach_driver+0xe0/0xe0 [ 2.565279] bus_for_each_dev+0x78/0xc0 [ 2.565281] bus_add_driver+0x149/0x1e0 [ 2.565283] driver_register+0x8f/0xe0 [ 2.565285] ? 0xffffffffc1023000 [ 2.565286] do_one_initcall+0x44/0x200 [ 2.565288] ? kmem_cache_alloc_trace+0x177/0x2c0 [ 2.565290] do_init_module+0x4c/0x250 [ 2.565291] __do_sys_init_module+0x12e/0x1b0 [ 2.565294] do_syscall_64+0x3b/0x90 [ 2.565296] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2.565297] RIP: 0033:0x7fc69bff232e [ 2.565298] Code: 48 8b 0d 45 0b 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 12 0b 0c 00 f7 d8 64 89 01 48 [ 2.565299] RSP: 002b:00007ffe872ba3e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 2.565301] RAX: ffffffffffffffda RBX: 000055873f797820 RCX: 00007fc69bff232e [ 2.565302] RDX: 000055873f7bf390 RSI: 0000000001155e81 RDI: 00007fc699e4d010 [ 2.565303] RBP: 00007fc699e4d010 R08: 000055873f7bfe20 R09: 0000000001155e90 [ 2.565303] R10: 000000055873f7bf R11: 0000000000000246 R12: 000055873f7bf390 [ 2.565304] R13: 000000000000000d R14: 000055873f7c4cb0 R15: 000055873f797820 [ 2.565306] </TASK> [ 2.565307] ---[ end trace 0000000000000000 ]--- -- v2: - call amdgpu_dm_connector_get_modes() instead of ddc_get_modes() (Harry) Fixes: d77de78 ("amd/display: enable panel orientation quirks") Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Melissa Wen <mwen@igalia.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
mripard
pushed a commit
to mripard/rpi-linux
that referenced
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Jan 12, 2023
Hoist the is_removed_spte() check above the "level == goal_level" check when walking SPTEs during a TDP MMU page fault to avoid attempting to map a leaf entry if said entry is frozen by a different task/vCPU. ------------[ cut here ]------------ WARNING: CPU: 3 PID: 939 at arch/x86/kvm/mmu/tdp_mmu.c:653 kvm_tdp_mmu_map+0x269/0x4b0 Modules linked in: kvm_intel CPU: 3 PID: 939 Comm: nx_huge_pages_t Not tainted 6.1.0-rc4+ raspberrypi#67 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 RIP: 0010:kvm_tdp_mmu_map+0x269/0x4b0 RSP: 0018:ffffc9000068fba8 EFLAGS: 00010246 RAX: 00000000000005a0 RBX: ffffc9000068fcc0 RCX: 0000000000000005 RDX: ffff88810741f000 RSI: ffff888107f04600 RDI: ffffc900006a3000 RBP: 060000010b000bf3 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 000ffffffffff000 R12: 0000000000000005 R13: ffff888113670000 R14: ffff888107464958 R15: 0000000000000000 FS: 00007f01c942c740(0000) GS:ffff888277cc0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000117013006 CR4: 0000000000172ea0 Call Trace: <TASK> kvm_tdp_page_fault+0x10c/0x130 kvm_mmu_page_fault+0x103/0x680 vmx_handle_exit+0x132/0x5a0 [kvm_intel] vcpu_enter_guest+0x60c/0x16f0 kvm_arch_vcpu_ioctl_run+0x1e2/0x9d0 kvm_vcpu_ioctl+0x271/0x660 __x64_sys_ioctl+0x80/0xb0 do_syscall_64+0x2b/0x50 entry_SYSCALL_64_after_hwframe+0x46/0xb0 </TASK> ---[ end trace 0000000000000000 ]--- Fixes: 63d28a2 ("KVM: x86/mmu: simplify kvm_tdp_mmu_map flow when guest has to retry") Cc: Robert Hoo <robert.hu@linux.intel.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Reviewed-by: Robert Hoo <robert.hu@linux.intel.com> Message-Id: <20221213033030.83345-2-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
0lxb
pushed a commit
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Jan 30, 2024
Fix Makefile dependency tracking
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If ever the timer interrupt frequency (HZ) changes, the timer period value needs to be updated. This update will calculate the timer period at compile time based on the value of HZ.