diff options
| author | Scott Wood <oss@buserror.net> | 2016-09-22 03:35:18 -0500 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2016-09-23 17:19:25 +0100 |
| commit | 1d8f51d41fc7116f3753fe9f9a5dd93e0b550a2c (patch) | |
| tree | abbb60533f4f4de2f8b543241a8c7bb1913a2dab /arch/arm64/kernel | |
| parent | f6dc1576cd517440313c9551b6ffa3d7e389c7c7 (diff) | |
| download | blackbird-op-linux-1d8f51d41fc7116f3753fe9f9a5dd93e0b550a2c.tar.gz blackbird-op-linux-1d8f51d41fc7116f3753fe9f9a5dd93e0b550a2c.zip | |
arm/arm64: arch_timer: Use archdata to indicate vdso suitability
Instead of comparing the name to a magic string, use archdata to
explicitly communicate whether the arch timer is suitable for
direct vdso access.
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Scott Wood <oss@buserror.net>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/vdso.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index 6225612f2464..a2c2478e7d78 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -201,7 +201,7 @@ up_fail: */ void update_vsyscall(struct timekeeper *tk) { - u32 use_syscall = strcmp(tk->tkr_mono.clock->name, "arch_sys_counter"); + u32 use_syscall = !tk->tkr_mono.clock->archdata.vdso_direct; ++vdso_data->tb_seq_count; smp_wmb(); |
