diff options
| author | Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2026-01-14 08:26:05 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@kernel.org> | 2026-01-14 14:57:39 +0100 |
| commit | 759a1f97373f25770cf438d9fb5f2bddf4d77a54 (patch) | |
| tree | e0d8729f9c97bc5be5ccd5612d637122c255443f /arch/powerpc/kernel | |
| parent | 10a62a0611f5544d209446acfde5beb7b27773c7 (diff) | |
powerpc/vdso: Provide clock_getres_time64()
For consistency with __vdso_clock_gettime64() there should also be a
64-bit variant of clock_getres(). This will allow the extension of
CONFIG_COMPAT_32BIT_TIME to the vDSO and finally the removal of 32-bit
time types from the kernel and UAPI.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
Link: https://patch.msgid.link/20260114-vdso-powerpc-align-v1-1-acf09373d568@linutronix.de
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/vdso/gettimeofday.S | 12 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/vdso32.lds.S | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso/vgettimeofday.c | 6 |
3 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/vdso/gettimeofday.S b/arch/powerpc/kernel/vdso/gettimeofday.S index 79c967212444..1c8e51691bf8 100644 --- a/arch/powerpc/kernel/vdso/gettimeofday.S +++ b/arch/powerpc/kernel/vdso/gettimeofday.S @@ -103,6 +103,18 @@ V_FUNCTION_BEGIN(__kernel_clock_getres) cvdso_call __c_kernel_clock_getres V_FUNCTION_END(__kernel_clock_getres) +/* + * Exact prototype of clock_getres_time64() + * + * int __kernel_clock_getres(clockid_t clock_id, struct __timespec64 *res); + * + */ +#ifndef __powerpc64__ +V_FUNCTION_BEGIN(__kernel_clock_getres_time64) + cvdso_call __c_kernel_clock_getres_time64 +V_FUNCTION_END(__kernel_clock_getres_time64) +#endif + /* * Exact prototype of time() diff --git a/arch/powerpc/kernel/vdso/vdso32.lds.S b/arch/powerpc/kernel/vdso/vdso32.lds.S index 72a1012b8a20..3f384a2526ae 100644 --- a/arch/powerpc/kernel/vdso/vdso32.lds.S +++ b/arch/powerpc/kernel/vdso/vdso32.lds.S @@ -124,6 +124,7 @@ VERSION __kernel_clock_gettime; __kernel_clock_gettime64; __kernel_clock_getres; + __kernel_clock_getres_time64; __kernel_time; __kernel_get_tbfreq; __kernel_sync_dicache; diff --git a/arch/powerpc/kernel/vdso/vgettimeofday.c b/arch/powerpc/kernel/vdso/vgettimeofday.c index 6f5167d81af5..3c194e1ab562 100644 --- a/arch/powerpc/kernel/vdso/vgettimeofday.c +++ b/arch/powerpc/kernel/vdso/vgettimeofday.c @@ -35,6 +35,12 @@ int __c_kernel_clock_getres(clockid_t clock_id, struct old_timespec32 *res, { return __cvdso_clock_getres_time32_data(vd, clock_id, res); } + +int __c_kernel_clock_getres_time64(clockid_t clock_id, struct __kernel_timespec *res, + const struct vdso_time_data *vd) +{ + return __cvdso_clock_getres_data(vd, clock_id, res); +} #endif int __c_kernel_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz, |