Re: [linux-safety] [PATCH 1/4] x86/mce: do not overwrite no_way_out if mce_end() fails
Borislav Petkov <[email protected]> Fri, 20 Nov 2020 18:32:17 +0100
| Newsgroups | tech.elisa.lists.linux-safety,org.kernel.vger.linux-edac,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Wed, Nov 18, 2020 at 03:15:49PM +0000, Gabriele Paoloni wrote: > Currently if mce_end() fails no_way_out is set equal to worst. > worst is the worst severirty that was found in the MCA banks > associated to the current CPU; however at this point no_way_out > could be already set by mca_start() by looking at all severities > of all CPUs that entered the MCE handler. > if mce_end() fails we first check if no_way_out is already set and > if so we stick to it, otherwise we use the local worst value > > Signed-off-by: Gabriele Paoloni <[email protected]> > Reviewed-by: Tony Luck <[email protected]> Also, this very likely wants Cc: stable, I'd say, considering the severity. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#184): https://lists.elisa.tech/g/linux-safety/message/184 Mute This Topic: https://lists.elisa.tech/mt/78342501/5278000 Group Owner: [email protected] Unsubscribe: https://lists.elisa.tech/g/linux-safety/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-