Messages in this thread | | | Date | Mon, 26 Mar 2018 21:30:52 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH 1/2] Revert "x86/mce/AMD: Collect error info even if valid bits are not set" |
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On Mon, Mar 26, 2018 at 02:15:25PM -0500, Yazen Ghannam wrote: > From: Yazen Ghannam <yazen.ghannam@amd.com> > > This reverts commit 4b1e84276a6172980c5bf39aa091ba13e90d6dad. > > Software uses the valid bits to decide if the values can be used for > further processing or other actions. So setting the valid bits will have > software act on values that it shouldn't be acting on. > > The recommendation to save all the register values does not mean that > the values are always valid.
So what does that
"Error handlers should save the values in MCA_ADDR, MCA_MISC0, and MCA_SYND even if MCA_STATUS[AddrV], MCA_STATUS[MiscV], and MCA_STATUS[SyndV] are zero."
*actually* mean then?
It is still in the PPR.
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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