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runtime: rename p racectx field to raceprocctx

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Both g and p had a racectx field, but they held different kinds of values.
The g field held ThreadState values while the p field held Processor values
(to use the names used in the C++ code in the compiler_rt support library).
Rename the p field to raceprocctx to reduce potential confusion.

Change-Id: Iefba0e259d240171e973054c452c3c15bf3f8f8f
Reviewed-on: https://go-review.googlesource.com/c/go/+/169960
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Ian Lance Taylor 2019-03-27 14:59:10 -07:00
parent 154e5abfcd
commit 70ea70ecfd
4 changed files with 8 additions and 8 deletions
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10
src/runtime/proc.go
View File

@ -3956,12 +3956,12 @@ func procresize(nprocs int32) *p {
pp.mcache = allocmcache()
}
}
if raceenabled && pp.racectx == 0 {
if raceenabled && pp.raceprocctx == 0 {
if old == 0 && i == 0 {
pp.racectx = raceprocctx0
pp.raceprocctx = raceprocctx0
raceprocctx0 = 0 // bootstrap
} else {
pp.racectx = raceproccreate()
pp.raceprocctx = raceproccreate()
}
}
}
@ -4019,8 +4019,8 @@ func procresize(nprocs int32) *p {
gfpurge(p)
traceProcFree(p)
if raceenabled {
raceprocdestroy(p.racectx)
p.racectx = 0
raceprocdestroy(p.raceprocctx)
p.raceprocctx = 0
}
p.gcAssistTime = 0
p.status = _Pdead

2
src/runtime/race_amd64.s
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@ -398,7 +398,7 @@ TEXT runtime·racecallbackthunk(SB), NOSPLIT, $56-8
MOVQ g(RARG0), RARG0
MOVQ g_m(RARG0), RARG0
MOVQ m_p(RARG0), RARG0
MOVQ p_racectx(RARG0), RARG0
MOVQ p_raceprocctx(RARG0), RARG0
MOVQ RARG0, (RARG1)
RET

2
src/runtime/race_ppc64le.s
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@ -455,7 +455,7 @@ TEXT runtime·racecallbackthunk(SB), NOSPLIT, $-8
MOVD 0(R13)(R10*1), g
MOVD g_m(g), R3
MOVD m_p(R3), R3
MOVD p_racectx(R3), R3
MOVD p_raceprocctx(R3), R3
MOVD R3, (R4)
MOVD R9, g // restore R30 ??
RET

2
src/runtime/runtime2.go
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@ -482,7 +482,7 @@ type p struct {
sysmontick sysmontick // last tick observed by sysmon
m muintptr // back-link to associated m (nil if idle)
mcache *mcache
racectx uintptr
raceprocctx uintptr
deferpool [5][]*_defer // pool of available defer structs of different sizes (see panic.go)
deferpoolbuf [5][32]*_defer