Re: [PATCH] Revert "powerpc/64s: machine check interrupt update NMI accounting"
From: peterz@infradead.org
Date: 2020-09-15 18:30:18
Also in:
lkml, stable
On Tue, Sep 15, 2020 at 08:06:59PM +0200, Michal Suchanek wrote:
This reverts commit 116ac378bb3ff844df333e7609e7604651a0db9d.
This commit causes the kernel to oops and reboot when injecting a SLB
multihit which causes a MCE.
Before this commit a SLB multihit was corrected by the kernel and the
system continued to operate normally.
cc: stable@vger.kernel.org
Fixes: 116ac378bb3f ("powerpc/64s: machine check interrupt update NMI accounting")
Signed-off-by: Michal Suchanek <redacted>
Ever since 69ea03b56ed2 ("hardirq/nmi: Allow nested nmi_enter()")
nmi_enter() supports nesting natively.