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| author | Heiko Carstens <hca@linux.ibm.com> | 2021-02-05 16:19:32 +0100 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2021-02-09 15:57:05 +0100 |
| commit | eeab78b05d202f15e58ab10675a4f736a1c9bd29 (patch) | |
| tree | 579c345b9cd6c3e6d0206e50086d8f2609a9e57f /arch/s390/include/asm | |
| parent | s390/vdso: simplify __arch_get_hw_counter() (diff) | |
| download | linux-eeab78b05d202f15e58ab10675a4f736a1c9bd29.tar.xz linux-eeab78b05d202f15e58ab10675a4f736a1c9bd29.zip | |
s390/vdso: implement generic vdso time namespace support
Implement generic vdso time namespace support which also enables time
namespaces for s390. This is quite similar to what arm64 has.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/vdso.h | 2 | ||||
| -rw-r--r-- | arch/s390/include/asm/vdso/gettimeofday.h | 7 |
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h index e4ea142a082c..b45e3dddd2c2 100644 --- a/arch/s390/include/asm/vdso.h +++ b/arch/s390/include/asm/vdso.h @@ -7,6 +7,8 @@ /* Default link address for the vDSO */ #define VDSO64_LBASE 0 +#define __VVAR_PAGES 2 + #define VDSO_VERSION_STRING LINUX_2.6.29 #ifndef __ASSEMBLY__ diff --git a/arch/s390/include/asm/vdso/gettimeofday.h b/arch/s390/include/asm/vdso/gettimeofday.h index c92b0dec0d79..ed89ef742530 100644 --- a/arch/s390/include/asm/vdso/gettimeofday.h +++ b/arch/s390/include/asm/vdso/gettimeofday.h @@ -67,4 +67,11 @@ long clock_getres_fallback(clockid_t clkid, struct __kernel_timespec *ts) return r2; } +#ifdef CONFIG_TIME_NS +static __always_inline const struct vdso_data *__arch_get_timens_vdso_data(void) +{ + return _timens_data; +} +#endif + #endif |