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runtime: save correct pid for new m's on plan9/amd64

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The pid field in the Tos structure is a 32-bit value.
Loading a 64-bit word also brings in the next field
which is used for the profiling clock.

LGTM=0intro, aram
R=rsc, 0intro, aram
CC=golang-codereviews, mischief
https://golang.org/cl/139560044
This commit is contained in:
Anthony Martin 2014-09-12 01:21:51 -07:00
parent 860a645927
commit 70f928698b
1 changed files with 1 additions and 1 deletions
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2
src/runtime/sys_plan9_amd64.s
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@ -149,7 +149,7 @@ TEXT runtime·tstart_plan9(SB),NOSPLIT,$0
// Initialize procid from TOS struct. // Initialize procid from TOS struct.
MOVQ _tos(SB), AX MOVQ _tos(SB), AX
MOVQ 64(AX), AX MOVL 64(AX), AX
MOVQ AX, m_procid(CX) // save pid as m->procid MOVQ AX, m_procid(CX) // save pid as m->procid
// Finally, initialize g. // Finally, initialize g.