Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: powerpc/traps: restore recoverability of machine_check interrupts | Date | Mon, 22 Oct 2018 20:37:27 +1100 (AEDT) |
| |
On Sat, 2018-10-13 at 09:16:22 UTC, Christophe Leroy wrote: > commit b96672dd840f ("powerpc: Machine check interrupt is a non- > maskable interrupt") added a call to nmi_enter() at the beginning of > machine check restart exception handler. Due to that, in_interrupt() > always returns true regardless of the state before entering the > exception, and die() panics even when the system was not already in > interrupt. > > This patch calls nmi_exit() before calling die() in order to restore > the interrupt state we had before calling nmi_enter() > > Fixes: b96672dd840f ("powerpc: Machine check interrupt is a non-maskable interrupt") > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> > Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/daf00ae71dad8aa05965713c62558a
cheers
| |