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authorIngo Molnar <mingo@elte.hu>2010-04-02 20:02:55 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-02 20:03:08 +0200
commitc9494727cf293ae2ec66af57547a3e79c724fec2 (patch)
tree44ae197b64fa7530ee695a90ad31326dda06f1e1 /arch/sparc/include/asm/system_64.h
parent6427462bfa50f50dc6c088c07037264fcc73eca1 (diff)
parent42be79e37e264557f12860fa4cc84b4de3685954 (diff)
Merge branch 'linus' into sched/core
Merge reason: update to latest upstream Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sparc/include/asm/system_64.h')
-rw-r--r--arch/sparc/include/asm/system_64.h15
1 files changed, 1 insertions, 14 deletions
diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h
index d47a98e6697..d24cfe16afc 100644
--- a/arch/sparc/include/asm/system_64.h
+++ b/arch/sparc/include/asm/system_64.h
@@ -143,15 +143,7 @@ do { \
* and 2 stores in this critical code path. -DaveM
*/
#define switch_to(prev, next, last) \
-do { if (test_thread_flag(TIF_PERFCTR)) { \
- unsigned long __tmp; \
- read_pcr(__tmp); \
- current_thread_info()->pcr_reg = __tmp; \
- read_pic(__tmp); \
- current_thread_info()->kernel_cntd0 += (unsigned int)(__tmp);\
- current_thread_info()->kernel_cntd1 += ((__tmp) >> 32); \
- } \
- flush_tlb_pending(); \
+do { flush_tlb_pending(); \
save_and_clear_fpu(); \
/* If you are tempted to conditionalize the following */ \
/* so that ASI is only written if it changes, think again. */ \
@@ -197,11 +189,6 @@ do { if (test_thread_flag(TIF_PERFCTR)) { \
"l1", "l2", "l3", "l4", "l5", "l6", "l7", \
"i0", "i1", "i2", "i3", "i4", "i5", \
"o0", "o1", "o2", "o3", "o4", "o5", "o7"); \
- /* If you fuck with this, update ret_from_syscall code too. */ \
- if (test_thread_flag(TIF_PERFCTR)) { \
- write_pcr(current_thread_info()->pcr_reg); \
- reset_pic(); \
- } \
} while(0)
static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val)