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| author | Isaku Yamahata <yamahata@valinux.co.jp> | 2009-03-04 21:05:38 +0900 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2009-03-26 10:50:22 -0700 |
| commit | 94752a794ddfdef65289a16627faefa7e2e62d58 (patch) | |
| tree | 8c1929159f03c5924af0005bcbcc7b0ba2a69754 /arch/ia64/kernel/fsys.S | |
| parent | 9d1964f25c3c43dab5a5f4761477bcfc8402250e (diff) | |
| download | op-kernel-dev-94752a794ddfdef65289a16627faefa7e2e62d58.zip op-kernel-dev-94752a794ddfdef65289a16627faefa7e2e62d58.tar.gz | |
ia64/pv_ops: paravirtualize mov = ar.itc.
paravirtualize mov reg = ar.itc.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/kernel/fsys.S')
| -rw-r--r-- | arch/ia64/kernel/fsys.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S index 3544d75..3567d54 100644 --- a/arch/ia64/kernel/fsys.S +++ b/arch/ia64/kernel/fsys.S @@ -280,7 +280,7 @@ ENTRY(fsys_gettimeofday) (p9) cmp.eq p13,p0 = 0,r30 // if mmio_ptr, clear p13 jitter control ;; .pred.rel.mutex p8,p9 -(p8) mov r2 = ar.itc // CPU_TIMER. 36 clocks latency!!! + MOV_FROM_ITC(p8, p6, r2, r10) // CPU_TIMER. 36 clocks latency!!! (p9) ld8 r2 = [r30] // MMIO_TIMER. Could also have latency issues.. (p13) ld8 r25 = [r19] // get itc_lastcycle value ld8 r9 = [r22],IA64_TIMESPEC_TV_NSEC_OFFSET // tv_sec @@ -684,7 +684,7 @@ GLOBAL_ENTRY(paravirt_fsys_bubble_down) ;; mov ar.rsc=0 // M2 set enforced lazy mode, pl 0, LE, loadrs=0 #ifdef CONFIG_VIRT_CPU_ACCOUNTING - mov.m r30=ar.itc // M get cycle for accounting + MOV_FROM_ITC(p0, p6, r30, r23) // M get cycle for accounting #else nop.m 0 #endif |
