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Diffstat (limited to 'arch/arm64/include/asm/vdso/compat_gettimeofday.h')
-rw-r--r--arch/arm64/include/asm/vdso/compat_gettimeofday.h11
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/arm64/include/asm/vdso/compat_gettimeofday.h b/arch/arm64/include/asm/vdso/compat_gettimeofday.h
index 537b1e695365..81b0c394f1d8 100644
--- a/arch/arm64/include/asm/vdso/compat_gettimeofday.h
+++ b/arch/arm64/include/asm/vdso/compat_gettimeofday.h
@@ -12,8 +12,6 @@
#include <asm/vdso/compat_barrier.h>
-#define __VDSO_USE_SYSCALL ULLONG_MAX
-
#define VDSO_HAS_CLOCK_GETRES 1
#define BUILD_VDSO32 1
@@ -117,11 +115,12 @@ static __always_inline u64 __arch_get_hw_counter(s32 clock_mode)
u64 res;
/*
- * clock_mode == 0 implies that vDSO are enabled otherwise
- * fallback on syscall.
+ * Core checks for mode already, so this raced against a concurrent
+ * update. Return something. Core will do another round and then
+ * see the mode change and fallback to the syscall.
*/
- if (clock_mode)
- return __VDSO_USE_SYSCALL;
+ if (clock_mode == VDSO_CLOCKMODE_NONE)
+ return 0;
/*
* This isb() is required to prevent that the counter value