+ James. On Wed, Dec 19, 2018 at 11:50:52AM -0500, David Arcari wrote: > From: Lenny Szubowicz <[email protected]> > > In __ghes_panic() clear the block status in the APEI generic > error status block for that generic hardware error source before > calling panic() to prevent a second panic() in the crash kernel > for exactly the same fatal error. > > Otherwise ghes_probe(), running in the crash kernel, would see > an unhandled error in the APEI generic error status block and > panic again, thereby precluding any crash dump. > > Signed-off-by: Lenny Szubowicz <[email protected]> > Signed-off-by: David Arcari <[email protected]> > Cc: Rafael J. Wysocki <[email protected]> > Cc: Len Brown <[email protected]> > Cc: Tony Luck <[email protected]> > Cc: Borislav Petkov <[email protected]> > Cc: "Eric W. Biederman" <[email protected]> > Cc: Alexandru Gagniuc <[email protected]> > Cc: [email protected] > --- > drivers/acpi/apei/ghes.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c > index 02c6fd9..f008ba7 100644 > --- a/drivers/acpi/apei/ghes.c > +++ b/drivers/acpi/apei/ghes.c > @@ -691,6 +691,8 @@ static void __ghes_panic(struct ghes *ghes) > { > __ghes_print_estatus(KERN_EMERG, ghes->generic, ghes->estatus); > > + ghes_clear_estatus(ghes); > + > /* reboot to log the error! */ > if (!panic_timeout) > panic_timeout = ghes_panic_timeout; > --
Acked-by: Borislav Petkov <[email protected]> -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
