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Diffstat (limited to 'arch/arm64/kernel/armv8_deprecated.c')
-rw-r--r--arch/arm64/kernel/armv8_deprecated.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index 0e86e8b9cedd..6875a16b09d2 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -279,7 +279,7 @@ static void __init register_insn_emulation_sysctl(void)
do { \
uaccess_enable_privileged(); \
__asm__ __volatile__( \
- " mov %w3, %w7\n" \
+ " mov %w3, %w6\n" \
"0: ldxr"B" %w2, [%4]\n" \
"1: stxr"B" %w0, %w1, [%4]\n" \
" cbz %w0, 2f\n" \
@@ -290,16 +290,10 @@ do { \
"2:\n" \
" mov %w1, %w2\n" \
"3:\n" \
- " .pushsection .fixup,\"ax\"\n" \
- " .align 2\n" \
- "4: mov %w0, %w6\n" \
- " b 3b\n" \
- " .popsection" \
- _ASM_EXTABLE(0b, 4b) \
- _ASM_EXTABLE(1b, 4b) \
+ _ASM_EXTABLE_UACCESS_ERR(0b, 3b, %w0) \
+ _ASM_EXTABLE_UACCESS_ERR(1b, 3b, %w0) \
: "=&r" (res), "+r" (data), "=&r" (temp), "=&r" (temp2) \
: "r" ((unsigned long)addr), "i" (-EAGAIN), \
- "i" (-EFAULT), \
"i" (__SWP_LL_SC_LOOPS) \
: "memory"); \
uaccess_disable_privileged(); \