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authorRickard Green <[email protected]>2012-03-15 11:36:48 +0100
committerRickard Green <[email protected]>2012-03-15 11:36:48 +0100
commitb971911e6c225b1d8d80509753a6ade07d75ad78 (patch)
tree78c2820325f8cfe64489d90241a54401ca730d33 /erts/emulator/beam
parentd789eb25f5e426c5eeeac738ec687e61fe5984ac (diff)
parent7484721f847e95380e66456b4a55e08481b570d8 (diff)
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Merge branch 'maint'
* maint: Remove newly introduced excessive barrier in erts_thr_progress_later() Fix implementation with ddrb barriers
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/erl_thr_progress.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/erts/emulator/beam/erl_thr_progress.h b/erts/emulator/beam/erl_thr_progress.h
index 1bbc49993e..a71724b813 100644
--- a/erts/emulator/beam/erl_thr_progress.h
+++ b/erts/emulator/beam/erl_thr_progress.h
@@ -138,6 +138,7 @@ ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_prgr_read_acqb__(ERTS_THR_PRGR_ATOMIC *a
ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_prgr_read_mb__(ERTS_THR_PRGR_ATOMIC *atmc);
ERTS_GLB_INLINE int erts_thr_progress_is_managed_thread(void);
+ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_current_to_later__(ErtsThrPrgrVal val);
ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_later_than(ErtsThrPrgrVal val);
ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_later(void);
ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_current(void);
@@ -218,9 +219,8 @@ erts_thr_progress_is_managed_thread(void)
}
ERTS_GLB_INLINE ErtsThrPrgrVal
-erts_thr_progress_later_than(ErtsThrPrgrVal val)
+erts_thr_progress_current_to_later__(ErtsThrPrgrVal val)
{
- ERTS_THR_MEMORY_BARRIER;
if (val == (ERTS_THR_PRGR_VAL_WAITING-((ErtsThrPrgrVal)2)))
return ((ErtsThrPrgrVal) 0);
else if (val == (ERTS_THR_PRGR_VAL_WAITING-((ErtsThrPrgrVal)1)))
@@ -230,10 +230,17 @@ erts_thr_progress_later_than(ErtsThrPrgrVal val)
}
ERTS_GLB_INLINE ErtsThrPrgrVal
+erts_thr_progress_later_than(ErtsThrPrgrVal val)
+{
+ ERTS_THR_MEMORY_BARRIER;
+ return erts_thr_progress_current_to_later__(val);
+}
+
+ERTS_GLB_INLINE ErtsThrPrgrVal
erts_thr_progress_later(void)
{
ErtsThrPrgrVal val = erts_thr_prgr_read_mb__(&erts_thr_prgr__.current);
- return erts_thr_progress_later_than(val);
+ return erts_thr_progress_current_to_later__(val);
}
ERTS_GLB_INLINE ErtsThrPrgrVal