[RFC/RFT PATCH 1/6] arm64: fixmap: Add GHES fixmap entries

From: James Morse
Date: Tue Oct 31 2017 - 11:40:41 EST


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@xxxxxxx>
---
arch/arm64/include/asm/fixmap.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/arch/arm64/include/asm/fixmap.h b/arch/arm64/include/asm/fixmap.h
index caf86be815ba..4edcdcb01a68 100644
--- a/arch/arm64/include/asm/fixmap.h
+++ b/arch/arm64/include/asm/fixmap.h
@@ -51,6 +51,11 @@ enum fixed_addresses {

FIX_EARLYCON_MEM_BASE,
FIX_TEXT_POKE0,
+
+ /* Used for GHES mapping from assorted contexts */
+ FIX_APEI_GHES_IRQ,
+ FIX_APEI_GHES_NMI,
+
__end_of_permanent_fixed_addresses,

/*
--
2.15.0.rc2