The following commit has been merged into the timers/vdso branch of tip:

Commit-ID:     bec06cd6a140ceb62ee4634c9550212f5f05bcfd
Gitweb:        https://git.kernel.org/tip/bec06cd6a140ceb62ee4634c9550212f5f05bcfd
Author:        Thomas Weißschuh <thomas.weissschuh@linutronix.de>
AuthorDate:    Tue, 23 Dec 2025 07:59:20 +01:00
Committer:     Thomas Gleixner <tglx@kernel.org>
CommitterDate: Tue, 13 Jan 2026 14:42:23 +01:00

MIPS: vdso: Provide getres_time64() for 32-bit ABIs

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-v1-9-97ea7a06a543@linutronix.de
---
 arch/mips/vdso/vdso.lds.S      | 1 +
 arch/mips/vdso/vgettimeofday.c | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/arch/mips/vdso/vdso.lds.S b/arch/mips/vdso/vdso.lds.S
index c8bbe56..5d08be3 100644
--- a/arch/mips/vdso/vdso.lds.S
+++ b/arch/mips/vdso/vdso.lds.S
@@ -103,6 +103,7 @@ VERSION
 		__vdso_clock_getres;
 #if _MIPS_SIM != _MIPS_SIM_ABI64
 		__vdso_clock_gettime64;
+		__vdso_clock_getres_time64;
 #endif
 #endif
 	local: *;
diff --git a/arch/mips/vdso/vgettimeofday.c b/arch/mips/vdso/vgettimeofday.c
index 604afea..1d23621 100644
--- a/arch/mips/vdso/vgettimeofday.c
+++ b/arch/mips/vdso/vgettimeofday.c
@@ -46,6 +46,11 @@ int __vdso_clock_gettime64(clockid_t clock,
 	return __cvdso_clock_gettime(clock, ts);
 }
 
+int __vdso_clock_getres_time64(clockid_t clock, struct __kernel_timespec *ts)
+{
+	return __cvdso_clock_getres(clock, ts);
+}
+
 #else
 
 int __vdso_clock_gettime(clockid_t clock,