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(parent: 935556e) | patch
powerpc/watchdog: Do not backtrace locked CPUs twice if allcpus backtrace is enabled
authorNicholas Piggin <npiggin@gmail.com>
Fri, 29 Sep 2017 03:29:38 +0000 (13:29 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 4 Oct 2017 00:25:50 +0000 (11:25 +1100)
commitf9c7e409d01a7c06463ba27acd30af19fadb8544
tree2d4aebf7357f3a71dd567f80cb050db39101ab8btree | snapshot
parent935556ee9e3a26ef3f7b0fb738d377f42d71c92dcommit | diff
powerpc/watchdog: Do not backtrace locked CPUs twice if allcpus backtrace is enabled

If sysctl_hardlockup_all_cpu_backtrace is enabled, there is no need to
IPI stuck CPUs for backtrace before trigger_allbutself_cpu_backtrace(),
which does the same thing again.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/kernel/watchdog.c diff | blob | history
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