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powerpc: improve handling of unrecoverable system reset
authorNicholas Piggin <npiggin@gmail.com>
Sat, 30 Jan 2021 13:08:35 +0000 (23:08 +1000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 Mar 2021 15:34:30 +0000 (16:34 +0100)
commit282ae0b08d8628481a6cbb86b7a90ea863a3988a
tree09c2f66cde1d9cb4f6c81c78dff416389acf0189tree | snapshot
parent6a0734c88395faa99f97f6bc398da8fd0267f661commit | diff
powerpc: improve handling of unrecoverable system reset

[ Upstream commit 11cb0a25f71818ca7ab4856548ecfd83c169aa4d ]

If an unrecoverable system reset hits in process context, the system
does not have to panic. Similar to machine check, call nmi_exit()
before die().

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-26-npiggin@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/powerpc/kernel/traps.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git