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| author | Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2024-10-10 09:01:22 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-11-02 12:37:35 +0100 |
| commit | e93d2521b27f0439872dfa4e4b92a9be6d73496f (patch) | |
| tree | c785598c4537ed0dcbb640be2cc5f96ec66563d4 /arch/x86/include/asm | |
| parent | x86/vdso: Delete vvar.h (diff) | |
| download | linux-e93d2521b27f0439872dfa4e4b92a9be6d73496f.tar.xz linux-e93d2521b27f0439872dfa4e4b92a9be6d73496f.zip | |
x86/vdso: Split virtual clock pages into dedicated mapping
The generic vdso data storage cannot handle the special pvclock and
hvclock pages. Split them into their own mapping, so the other vdso
storage can be migrated to the generic code.
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-v1-20-b64f0842d512@linutronix.de
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/vdso/vsyscall.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/vdso/vsyscall.h b/arch/x86/include/asm/vdso/vsyscall.h index 6a933f0dacf1..37b4a70559a8 100644 --- a/arch/x86/include/asm/vdso/vsyscall.h +++ b/arch/x86/include/asm/vdso/vsyscall.h @@ -3,6 +3,11 @@ #define __ASM_VDSO_VSYSCALL_H #define __VDSO_RND_DATA_OFFSET 640 +#define __VVAR_PAGES 4 + +#define VDSO_NR_VCLOCK_PAGES 2 +#define VDSO_PAGE_PVCLOCK_OFFSET 0 +#define VDSO_PAGE_HVCLOCK_OFFSET 1 #ifndef __ASSEMBLY__ |