[PATCH v3 7/9] MIPS: VDSO: Respect COMPAT_32BIT_TIME
From: Thomas Weißschuh <hidden>
Date: 2026-07-02 08:21:42
Also in:
linux-api, linux-arm-kernel, linux-mips, lkml, sparclinux
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
If CONFIG_COMPAT_32BIT_TIME is disabled then the vDSO should not provide any 32-bit time related functionality. This is the intended effect of the kconfig option and also the fallback system calls would also not be implemented. Signed-off-by: Thomas Weißschuh <redacted> Reviewed-by: Arnd Bergmann <arnd@arndb.de> --- arch/mips/vdso/vdso.lds.S | 2 ++ arch/mips/vdso/vgettimeofday.c | 3 +++ 2 files changed, 5 insertions(+)
diff --git a/arch/mips/vdso/vdso.lds.S b/arch/mips/vdso/vdso.lds.S
index 278ab6444e98..b11ee493c67f 100644
--- a/arch/mips/vdso/vdso.lds.S
+++ b/arch/mips/vdso/vdso.lds.S@@ -97,9 +97,11 @@ VERSION LINUX_2.6 { #ifdef CONFIG_GENERIC_GETTIMEOFDAY global: +#if _MIPS_SIM == _MIPS_SIM_ABI64 || defined(CONFIG_COMPAT_32BIT_TIME) __vdso_clock_gettime; __vdso_gettimeofday; __vdso_clock_getres; +#endif #if _MIPS_SIM != _MIPS_SIM_ABI64 __vdso_clock_gettime64; __vdso_clock_getres_time64;
diff --git a/arch/mips/vdso/vgettimeofday.c b/arch/mips/vdso/vgettimeofday.c
index 00f9fcfc327e..a1fb06b8973e 100644
--- a/arch/mips/vdso/vgettimeofday.c
+++ b/arch/mips/vdso/vgettimeofday.c@@ -12,6 +12,8 @@ #include <vdso/gettime.h> #if _MIPS_SIM != _MIPS_SIM_ABI64 + +#ifdef CONFIG_COMPAT_32BIT_TIME int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts) {
@@ -29,6 +31,7 @@ int __vdso_clock_getres(clockid_t clock_id, { return __cvdso_clock_getres_time32(clock_id, res); } +#endif /* CONFIG_COMPAT_32BIT_TIME */ int __vdso_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts)
--
2.55.0