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| author | Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2025-12-23 09:59:18 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@kernel.org> | 2026-01-13 16:42:23 +0300 |
| commit | 1149dcdfc9ef4b3fa90b431a5752da53dcadb0d2 (patch) | |
| tree | 8d1990ac5bb93931f82530d5968066c0d07aa93f | |
| parent | b9fecf0dddfc55cd7d02b0011494da3c613f7cde (diff) | |
| download | linux-1149dcdfc9ef4b3fa90b431a5752da53dcadb0d2.tar.xz | |
ARM: 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>
Link: https://patch.msgid.link/20251223-vdso-compat-time32-v1-7-97ea7a06a543@linutronix.de
| -rw-r--r-- | arch/arm/kernel/vdso.c | 1 | ||||
| -rw-r--r-- | arch/arm/vdso/vdso.lds.S | 1 | ||||
| -rw-r--r-- | arch/arm/vdso/vgettimeofday.c | 5 |
3 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c index 566c40f0f7c7..0108f33d6bed 100644 --- a/arch/arm/kernel/vdso.c +++ b/arch/arm/kernel/vdso.c @@ -162,6 +162,7 @@ static void __init patch_vdso(void *ehdr) vdso_nullpatch_one(&einfo, "__vdso_clock_gettime"); vdso_nullpatch_one(&einfo, "__vdso_clock_gettime64"); vdso_nullpatch_one(&einfo, "__vdso_clock_getres"); + vdso_nullpatch_one(&einfo, "__vdso_clock_getres_time64"); } } diff --git a/arch/arm/vdso/vdso.lds.S b/arch/arm/vdso/vdso.lds.S index 7c08371f4400..74d8d8bc8a40 100644 --- a/arch/arm/vdso/vdso.lds.S +++ b/arch/arm/vdso/vdso.lds.S @@ -74,6 +74,7 @@ VERSION __vdso_gettimeofday; __vdso_clock_getres; __vdso_clock_gettime64; + __vdso_clock_getres_time64; local: *; }; } diff --git a/arch/arm/vdso/vgettimeofday.c b/arch/arm/vdso/vgettimeofday.c index 3554aa35f1ba..f7a2f5dc2fdc 100644 --- a/arch/arm/vdso/vgettimeofday.c +++ b/arch/arm/vdso/vgettimeofday.c @@ -34,6 +34,11 @@ int __vdso_clock_getres(clockid_t clock_id, return __cvdso_clock_getres_time32(clock_id, res); } +int __vdso_clock_getres_time64(clockid_t clock_id, struct __kernel_timespec *res) +{ + return __cvdso_clock_getres(clock_id, res); +} + /* Avoid unresolved references emitted by GCC */ void __aeabi_unwind_cpp_pr0(void) |