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

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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
This commit is contained in:
Thomas Weißschuh 2024-10-10 09:01:13 +02:00 committed by Thomas Gleixner
parent f2182dc40a
commit dd937454d9
1 changed files with 2 additions and 2 deletions
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4
arch/x86/include/asm/vdso/getrandom.h
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@ -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;
}