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Commit 386b3c7b authored by Mark Rutland's avatar Mark Rutland Committed by Will Deacon
Browse files

arm64: add EXPORT_SYMBOL_NOKASAN() 



So that we can export symbols directly from assembly files, let's make
use of the generic <asm/export.h>. We have a few symbols that we'll want
to conditionally export for !KASAN kernel builds, so we add a helper for
that in <asm/assembler.h>.

Signed-off-by: default avatarMark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 03ef055f

arch/arm64/include/asm/assembler.h

+9 −0
Original line number Diff line number Diff line
@@ -23,6 +23,8 @@ 
#ifndef __ASM_ASSEMBLER_H

#define __ASM_ASSEMBLER_H



#include <asm-generic/export.h>



#include <asm/asm-offsets.h>

#include <asm/cpufeature.h>

#include <asm/debug-monitors.h>
@@ -490,6 +492,13 @@ USER(\label, ic ivau, \tmp2) // invalidate I line PoU 
#else

#define NOKPROBE(x)

#endif



#ifdef CONFIG_KASAN

#define EXPORT_SYMBOL_NOKASAN(name)

#else

#define EXPORT_SYMBOL_NOKASAN(name)	EXPORT_SYMBOL(name)

#endif



	/*

	 * Emit a 64-bit absolute little endian symbol reference in a way that

	 * ensures that it will be resolved at build time, even when building a