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Commit 50fdecb2 authored Dec 07, 2018 by Mark Rutland Committed by Will Deacon Dec 10, 2018

arm64: page: use asm EXPORT_SYMBOL()



For a while now it's been possible to use EXPORT_SYMBOL() in assembly
files, which allows us to place exports immediately after assembly
functions, as we do for C functions.

As a step towards removing arm64ksyms.c, let's move the copy_page and
clear_page exports to the assembly files the functions are defined in.

There should be no functional change as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

parent 23fe04c0

arch/arm64/kernel/arm64ksyms.c

+0 −3

Original line number	Original line	Diff line number	Diff line
	@@ -30,9 +30,6 @@

	#include <asm/checksum.h>		#include <asm/checksum.h>

	EXPORT_SYMBOL(copy_page);
	EXPORT_SYMBOL(clear_page);

	/* user mem (segment) */		/* user mem (segment) */
	EXPORT_SYMBOL(__arch_copy_from_user);		EXPORT_SYMBOL(__arch_copy_from_user);
	EXPORT_SYMBOL(__arch_copy_to_user);		EXPORT_SYMBOL(__arch_copy_to_user);

arch/arm64/lib/clear_page.S

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -37,3 +37,4 @@ ENTRY(clear_page)
	b.ne 1b		b.ne 1b
	ret		ret
	ENDPROC(clear_page)		ENDPROC(clear_page)
			EXPORT_SYMBOL(clear_page)

arch/arm64/lib/copy_page.S

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -87,3 +87,4 @@ alternative_else_nop_endif

	ret		ret
	ENDPROC(copy_page)		ENDPROC(copy_page)
			EXPORT_SYMBOL(copy_page)