[Xen-changelog] [xen master] x86/time: avoid redundant this_cpu()

[patchbot@xxxxxxx]

commit 58bebfdb790c5639d28d5e1b5fd49a3352c5fc25
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Tue Mar 4 10:55:56 2014 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Mar 4 10:55:56 2014 +0100

    x86/time: avoid redundant this_cpu()
    
    this_cpu() makes use of RELOC_HIDE() to prevent unsafe optimisations, 
forcing
    a recalculation of the per-cpu data area.  Don't use it needlessly.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/time.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/xen/arch/x86/time.c b/xen/arch/x86/time.c
index b2c8dc7..000191b 100644
--- a/xen/arch/x86/time.c
+++ b/xen/arch/x86/time.c
@@ -1323,7 +1323,7 @@ void init_percpu_time(void)
     s_time_t now;
 
     /* Initial estimate for TSC rate. */
-    this_cpu(cpu_time).tsc_scale = per_cpu(cpu_time, 0).tsc_scale;
+    t->tsc_scale = per_cpu(cpu_time, 0).tsc_scale;
 
     local_irq_save(flags);
     rdtscll(t->local_tsc_stamp);
--
generated by git-patchbot for /home/xen/git/xen.git#master

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