aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/vgtod.h
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2018-09-17 14:45:37 +0200
committerThomas Gleixner <tglx@linutronix.de>2018-10-04 23:00:25 +0200
commit77e9c678c54f2d9214796c1c5bd0c7c7ccedd932 (patch)
treea64cb82fe4ee14f0f72cf948b5d5d4a14bdc4683 /arch/x86/include/asm/vgtod.h
parentx86/vdso: Enforce 64bit clocksource (diff)
downloadlinux-dev-77e9c678c54f2d9214796c1c5bd0c7c7ccedd932.tar.xz
linux-dev-77e9c678c54f2d9214796c1c5bd0c7c7ccedd932.zip
x86/vdso: Use unsigned int consistently for vsyscall_gtod_data:: Seq
The sequence count in vgtod_data is unsigned int, but the call sites use unsigned long, which is a pointless exercise. Fix the call sites and replace 'unsigned' with unsinged 'int' while at it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Andy Lutomirski <luto@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Matt Rickard <matt@softrans.com.au> Cc: Stephen Boyd <sboyd@kernel.org> Cc: John Stultz <john.stultz@linaro.org> Cc: Florian Weimer <fweimer@redhat.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Vitaly Kuznetsov <vkuznets@redhat.com> Cc: devel@linuxdriverproject.org Cc: virtualization@lists.linux-foundation.org Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Juergen Gross <jgross@suse.com> Link: https://lkml.kernel.org/r/20180917130707.236250416@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/vgtod.h')
-rw-r--r--arch/x86/include/asm/vgtod.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h
index 53748541c487..91cad1f01027 100644
--- a/arch/x86/include/asm/vgtod.h
+++ b/arch/x86/include/asm/vgtod.h
@@ -15,9 +15,9 @@ typedef unsigned long gtod_long_t;
* so be carefull by modifying this structure.
*/
struct vsyscall_gtod_data {
- unsigned seq;
+ unsigned int seq;
- int vclock_mode;
+ int vclock_mode;
u64 cycle_last;
u64 mask;
u32 mult;
@@ -44,9 +44,9 @@ static inline bool vclock_was_used(int vclock)
return READ_ONCE(vclocks_used) & (1 << vclock);
}
-static inline unsigned gtod_read_begin(const struct vsyscall_gtod_data *s)
+static inline unsigned int gtod_read_begin(const struct vsyscall_gtod_data *s)
{
- unsigned ret;
+ unsigned int ret;
repeat:
ret = READ_ONCE(s->seq);
@@ -59,7 +59,7 @@ repeat:
}
static inline int gtod_read_retry(const struct vsyscall_gtod_data *s,
- unsigned start)
+ unsigned int start)
{
smp_rmb();
return unlikely(s->seq != start);