x86: use _ASM_EXTABLE macro in arch/x86/kernel/test_nx.c (92909098) · Commits · 戴 / test

Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding __ex_table entires in arch/x86/kernel/test_nx.c. Signed-off-by:

arch/x86/kernel/test_nx.c

+2 −10

Original line number	Diff line number	Diff line
		@@ -12,6 +12,7 @@
		#include <linux/module.h>
		#include <linux/sort.h>
		#include <asm/uaccess.h>
		#include <asm/asm.h>

		extern int rodata_test_data;

		@@ -89,16 +90,7 @@ static noinline int test_address(void *address)
		"2: mov %[zero], %[rslt]\n"
		" ret\n"
		".previous\n"
		".section __ex_table,\"a\"\n"
		" .align 8\n"
		#ifdef CONFIG_X86_32
		" .long 0b\n"
		" .long 2b\n"
		#else
		" .quad 0b\n"
		" .quad 2b\n"
		#endif
		".previous\n"
		_ASM_EXTABLE(0b,2b)
		: [rslt] "=r" (result)
		: [fake_code] "r" (address), [zero] "r" (0UL), "0" (result)
		);