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SubjectRe: [RFC/RFT PATCH 2/6] x86/mm/fixmap: Add GHES fixmap entries
On Tue, Oct 31, 2017 at 03:38:28PM +0000, James Morse wrote:
> GHES is switching to use fixmap for its dynamic mapping of CPER records,
> to avoid using ioremap_page_range() in IRQ/NMI context.
>
> Signed-off-by: James Morse <james.morse@arm.com>
> ---
> arch/x86/include/asm/fixmap.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
> index dcd9fb55e679..be3cc32db7f0 100644
> --- a/arch/x86/include/asm/fixmap.h
> +++ b/arch/x86/include/asm/fixmap.h
> @@ -104,6 +104,10 @@ enum fixed_addresses {
> FIX_GDT_REMAP_BEGIN,
> FIX_GDT_REMAP_END = FIX_GDT_REMAP_BEGIN + NR_CPUS - 1,
>
> + /* Used for GHES mapping from assorted contexts */
> + FIX_APEI_GHES_IRQ,
> + FIX_APEI_GHES_NMI,

Maybe I'm missing something but shouldn't those two be inside
CONFIG_ACPI_APEI_GHES ifdeffery?

Ditto for the ARM side.

--
Regards/Gruss,
Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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