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

James Morse james.morse at arm.com
Tue Oct 31 08:38:27 PDT 2017


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 at arm.com>
---
 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




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