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Re: [PATCH] efi: avoid error message when booting under Xen

On 10.07.20 15:27, Ard Biesheuvel wrote:
On Fri, 10 Jul 2020 at 13:17, Bartlomiej Zolnierkiewicz
<b.zolnierkie@xxxxxxxxxxx> wrote:

[ added EFI Maintainer & ML to Cc: ]


On 7/9/20 11:17 AM, Jürgen Groß wrote:
On 28.06.20 10:50, Jürgen Groß wrote:

On 10.06.20 16:10, Juergen Gross wrote:
efifb_probe() will issue an error message in case the kernel is booted
as Xen dom0 from UEFI as EFI_MEMMAP won't be set in this case. Avoid
that message by calling efi_mem_desc_lookup() only if EFI_PARAVIRT
isn't set.

Why not test for EFI_MEMMAP instead of EFI_BOOT?

Honestly I'm not sure EFI_BOOT is always set in that case. If you tell
me it is fine to just replace the test to check for EFI_MEMMAP I'm fine
to modify my patch.




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