[tip: timers/vdso] x86/vdso: Use __arch_get_vdso_data() to access vdso data

tip-bot2 for Thomas Weißschuh posted 1 patch 3 weeks, 1 day ago
arch/x86/include/asm/vdso/getrandom.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
[tip: timers/vdso] x86/vdso: Use __arch_get_vdso_data() to access vdso data
Posted by tip-bot2 for Thomas Weißschuh 3 weeks, 1 day ago
The following commit has been merged into the timers/vdso branch of tip:

Commit-ID:     dd937454d905fad9fcbeccd35ecfc8c3c096fe76
Gitweb:        https://git.kernel.org/tip/dd937454d905fad9fcbeccd35ecfc8c3c096fe76
Author:        Thomas Weißschuh <thomas.weissschuh@linutronix.de>
AuthorDate:    Thu, 10 Oct 2024 09:01:13 +02:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Sat, 02 Nov 2024 12:37:34 +01:00

x86/vdso: Use __arch_get_vdso_data() to access vdso data

The implementation details of the vdso_data access will change.
Prepare for that by using the existing helper function.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241010-vdso-generic-base-v1-11-b64f0842d512@linutronix.de

---
 arch/x86/include/asm/vdso/getrandom.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/vdso/getrandom.h b/arch/x86/include/asm/vdso/getrandom.h
index ff5334a..ecdcdbc 100644
--- a/arch/x86/include/asm/vdso/getrandom.h
+++ b/arch/x86/include/asm/vdso/getrandom.h
@@ -32,8 +32,8 @@ static __always_inline ssize_t getrandom_syscall(void *buffer, size_t len, unsig
 
 static __always_inline const struct vdso_rng_data *__arch_get_vdso_rng_data(void)
 {
-	if (IS_ENABLED(CONFIG_TIME_NS) && __vdso_data->clock_mode == VDSO_CLOCKMODE_TIMENS)
-		return (void *)&__vdso_rng_data + ((void *)&__timens_vdso_data - (void *)&__vdso_data);
+	if (IS_ENABLED(CONFIG_TIME_NS) && __arch_get_vdso_data()->clock_mode == VDSO_CLOCKMODE_TIMENS)
+		return (void *)&__vdso_rng_data + ((void *)&__timens_vdso_data - (void *)__arch_get_vdso_data());
 	return &__vdso_rng_data;
 }