Messages in this thread | | | Date | Wed, 22 Nov 2023 19:28:05 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH 03/20] x86/mce: Use mce_setup() helpers for apei_smca_report_x86_error() |
| |
On Sat, Nov 18, 2023 at 01:32:31PM -0600, Yazen Ghannam wrote: > Current AMD systems may report MCA errors using the ACPI Boot Error > Record Table (BERT). The BERT entries for MCA errors will be an x86 > Common Platform Error Record (CPER) with an MSR register context that > matches the MCAX/SMCA register space. > > However, the BERT will not necessarily be processed on the CPU that > reported the MCA errors. Therefore, the correct CPU number needs to be > determined and the information saved in struct mce. > > The CPU number is determined by searching all possible CPUs for a Local > APIC ID matching the value in the x86 CPER.
Those below are explaining what the patch does. Not needed here.
> Set up the MCA record after searching for a CPU number. If no possible > CPU was found, then return early. > > Gather the global MCA information first, save the found CPU number, then > gather the per-CPU information.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
| |