Re: [PATCH v3] x86/ACPI: Ignore CPUs that are not online capable for x2apic, entries as well

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On Tue, Jan 10, 2023 at 05:43:41PM -0500, James Puthukattukaran wrote:
> Adding others that I missed on my first email. 
> 
> James
> 
> On 12/22/22 13:26, James Puthukattukaran wrote:
> > Extending commit aa06e20f1be6 ("x86/ACPI: Don't add CPUs that are not
> > online capable") to include acpi_parse_x2apic as well.

This doesn't look like an extension to some existing commit but like a separate
fix.

> > There is a check for invalid apicid; however, there are BIOS FW with madt
> > version >= 5 support that do not bother setting apic id to an invalid value
> > since they assume the OS will check the enabled and online capable flags.

Which BIOSes are those?

Also, I'm no BIOS guy but I don't see you checking MADT version anywhere?

> > Signed-off-by: James Puthukattukaran<james.puthukattukaran@xxxxxxxxxx>
> > Reported-by: Benjamin Fuller<ben.fuller@xxxxxxxxxx>
> > 
> > v2 : use 'enabled' local variable. Also fix checkpatch.pl catches
> > v3 : updates as per Rafael's comments

Yah, I'd like for Rafael to decide what to do here...

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette



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