2016 r1 #131
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2016 r1 #131
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wake_up_interruptible_poll() will only wakeup the polling thread if it is waiting for the passed poll flags. The dma-buffer always passed POLLIN | POLLRDNORM, this means if the buffer is a output buffer and the thread is waiting for POLLOUT events it wont get woken up. To fix this pass the flags according to the buffer direction. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
# Conflicts: # drivers/iio/adc/ad9361.c
On Zynq, we haven't been reserving the correct amount of DMA-incapable RAM to keep DMA away from it (per the Zynq TRM Section 4.1, it should be the first 512k). In older kernels, this was masked by the memblock_reserve call in arm_memblock_init(). Now, reserve the correct amount excplicitly rather than relying on swapper_pg_dir, which is an address and not a size anyway. Fixes: 46f5b96 ("ARM: zynq: Reserve not DMAable space in front of the kernel") Signed-off-by: Kyle Roeschley <kyle.roeschley@ni.com> Tested-by: Nathan Rossi <nathan@nathanrossi.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
…value PHY needs the fixup if (fixup->phy_uid == phydev->phy_id) or (fixup->phy_uid == PHY_ANY_UID).
Make sure unused weighted multipliers are set to 0. Use Default RSSI Meas Mode, for small power of twos. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
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hey; but we will not want to merge 2016 R1 into master ; i will close this PR shortly thanks |
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The unexpected MPLS packet may not end with the bottom label stack. When there are many stacks, The label count value has wrapped around. A dead loop occurs, soft lockup/CPU stuck finally. stack backtrace: UBSAN: array-index-out-of-bounds in /build/linux-0Pa0xK/linux-5.15.0/net/openvswitch/flow.c:662:26 index -1 is out of range for type '__be32 [3]' CPU: 34 PID: 0 Comm: swapper/34 Kdump: loaded Tainted: G OE 5.15.0-121-generic #131-Ubuntu Hardware name: Dell Inc. PowerEdge C6420/0JP9TF, BIOS 2.12.2 07/14/2021 Call Trace: <IRQ> show_stack+0x52/0x5c dump_stack_lvl+0x4a/0x63 dump_stack+0x10/0x16 ubsan_epilogue+0x9/0x36 __ubsan_handle_out_of_bounds.cold+0x44/0x49 key_extract_l3l4+0x82a/0x840 [openvswitch] ? kfree_skbmem+0x52/0xa0 key_extract+0x9c/0x2b0 [openvswitch] ovs_flow_key_extract+0x124/0x350 [openvswitch] ovs_vport_receive+0x61/0xd0 [openvswitch] ? kernel_init_free_pages.part.0+0x4a/0x70 ? get_page_from_freelist+0x353/0x540 netdev_port_receive+0xc4/0x180 [openvswitch] ? netdev_port_receive+0x180/0x180 [openvswitch] netdev_frame_hook+0x1f/0x40 [openvswitch] __netif_receive_skb_core.constprop.0+0x23a/0xf00 __netif_receive_skb_list_core+0xfa/0x240 netif_receive_skb_list_internal+0x18e/0x2a0 napi_complete_done+0x7a/0x1c0 bnxt_poll+0x155/0x1c0 [bnxt_en] __napi_poll+0x30/0x180 net_rx_action+0x126/0x280 ? bnxt_msix+0x67/0x80 [bnxt_en] handle_softirqs+0xda/0x2d0 irq_exit_rcu+0x96/0xc0 common_interrupt+0x8e/0xa0 </IRQ> Fixes: fbdcdd7 ("Change in Openvswitch to support MPLS label depth of 3 in ingress direction") Signed-off-by: Faicker Mo <faicker.mo@zenlayer.com> Acked-by: Ilya Maximets <i.maximets@ovn.org> Reviewed-by: Aaron Conole <aconole@redhat.com> Link: https://patch.msgid.link/259D3404-575D-4A6D-B263-1DF59A67CF89@zenlayer.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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