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authorChristophe Leroy <christophe.leroy@csgroup.eu>2021-03-31 16:48:45 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2021-04-14 23:04:44 +1000
commit808094fcbf4196be0feb17afbbdc182ec95c8cec (patch)
treed14aeae6e9fc35194d46fbcefa360490f2877a95 /arch/arm64/include
parent58efe9f696cf908f40d6672aeca81cb2ad2bc762 (diff)
lib/vdso: Add vdso_data pointer as input to __arch_get_timens_vdso_data()
For the same reason as commit e876f0b69dc9 ("lib/vdso: Allow architectures to provide the vdso data pointer"), powerpc wants to avoid calculation of relative position to code. As the timens_vdso_data is next page to vdso_data, provide vdso_data pointer to __arch_get_timens_vdso_data() in order to ease the calculation on powerpc in following patches. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Andrei Vagin <avagin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/539c4204b1baa77c55f758904a1ea239abbc7a5c.1617209142.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/vdso/compat_gettimeofday.h3
-rw-r--r--arch/arm64/include/asm/vdso/gettimeofday.h2
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/vdso/compat_gettimeofday.h b/arch/arm64/include/asm/vdso/compat_gettimeofday.h
index 7508b0ac1d21..ecb6fd4c3c64 100644
--- a/arch/arm64/include/asm/vdso/compat_gettimeofday.h
+++ b/arch/arm64/include/asm/vdso/compat_gettimeofday.h
@@ -155,7 +155,8 @@ static __always_inline const struct vdso_data *__arch_get_vdso_data(void)
}
#ifdef CONFIG_TIME_NS
-static __always_inline const struct vdso_data *__arch_get_timens_vdso_data(void)
+static __always_inline
+const struct vdso_data *__arch_get_timens_vdso_data(const struct vdso_data *vd)
{
const struct vdso_data *ret;
diff --git a/arch/arm64/include/asm/vdso/gettimeofday.h b/arch/arm64/include/asm/vdso/gettimeofday.h
index 631ab1281633..de86230a9436 100644
--- a/arch/arm64/include/asm/vdso/gettimeofday.h
+++ b/arch/arm64/include/asm/vdso/gettimeofday.h
@@ -100,7 +100,7 @@ const struct vdso_data *__arch_get_vdso_data(void)
#ifdef CONFIG_TIME_NS
static __always_inline
-const struct vdso_data *__arch_get_timens_vdso_data(void)
+const struct vdso_data *__arch_get_timens_vdso_data(const struct vdso_data *vd)
{
return _timens_data;
}