[RFC/RFT PATCH 2/6] x86/mm/fixmap: Add GHES fixmap entries

[James Morse]

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/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,
+
 	__end_of_permanent_fixed_addresses,
 
 	/*
-- 
2.15.0.rc2