[PATCH 2/4] x86/um/vdso: Use prototypes from generic vDSO headers

Thomas Weißschuh linux at weissschuh.net
Mon Oct 13 03:40:19 PDT 2025


The generic vDSO library provides a convenient header for the vDSO
function prototypes, use it.

Signed-off-by: Thomas Weißschuh <linux at weissschuh.net>
---
 arch/x86/um/vdso/um_vdso.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/um/vdso/um_vdso.c b/arch/x86/um/vdso/um_vdso.c
index 5cadcc04d422..02d41fdb5655 100644
--- a/arch/x86/um/vdso/um_vdso.c
+++ b/arch/x86/um/vdso/um_vdso.c
@@ -9,14 +9,12 @@
 /* Disable profiling for userspace code */
 #define DISABLE_BRANCH_PROFILING
 
+#include <vdso/gettime.h>
 #include <linux/time.h>
 #include <linux/getcpu.h>
 #include <asm/unistd.h>
 
 /* workaround for -Wmissing-prototypes warnings */
-int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
-int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
-__kernel_old_time_t __vdso_time(__kernel_old_time_t *t);
 long __vdso_getcpu(unsigned int *cpu, unsigned int *node, struct getcpu_cache *unused);
 
 int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts)

-- 
2.51.0




More information about the linux-um mailing list