[RFC/RFT PATCH 2/6] x86/mm/fixmap: Add GHES fixmap entries
From: Borislav Petkov <hidden>
Date: 2017-10-31 19:09:55
Also in:
linux-acpi, lkml
From: Borislav Petkov <hidden>
Date: 2017-10-31 19:09:55
Also in:
linux-acpi, lkml
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.
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Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imend?rffer, Jane Smithard, Graham Norton, HRB 21284 (AG N?rnberg)
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