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| author | Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2024-10-10 09:01:09 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-11-02 12:37:33 +0100 |
| commit | 2bb79470e5c87f211d05f0dd1c7a4291c9b7e1a4 (patch) | |
| tree | 5d5bdfc0998c9f5c34b03197a823a394b5e12181 /arch/arm/include | |
| parent | riscv: vdso: Use only one single vvar mapping (diff) | |
| download | linux-2bb79470e5c87f211d05f0dd1c7a4291c9b7e1a4.tar.gz linux-2bb79470e5c87f211d05f0dd1c7a4291c9b7e1a4.zip | |
ARM: vdso: Remove assembly for datapage access
vdso/datapage.h provides a hidden declaration for _vdso_data.
When using it the compiler will automatically generate PC-relative
accesses which avoids the need for a custom assembly-based accessor.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241010-vdso-generic-base-v1-7-b64f0842d512@linutronix.de
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/vdso/gettimeofday.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/arm/include/asm/vdso/gettimeofday.h b/arch/arm/include/asm/vdso/gettimeofday.h index 2134cbd5469f..592d3d015ca7 100644 --- a/arch/arm/include/asm/vdso/gettimeofday.h +++ b/arch/arm/include/asm/vdso/gettimeofday.h @@ -15,8 +15,6 @@ #define VDSO_HAS_CLOCK_GETRES 1 -extern struct vdso_data *__get_datapage(void); - static __always_inline int gettimeofday_fallback( struct __kernel_old_timeval *_tv, struct timezone *_tz) @@ -139,7 +137,7 @@ static __always_inline u64 __arch_get_hw_counter(int clock_mode, static __always_inline const struct vdso_data *__arch_get_vdso_data(void) { - return __get_datapage(); + return _vdso_data; } #endif /* !__ASSEMBLY__ */ |