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amd64: stop re-reading curpc in suword

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Plugs re-reads missed in r341719

Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Mateusz Guzik 2019-05-12 06:34:58 +00:00
parent 5e57adc874
commit 8eae2be460
1 changed files with 0 additions and 4 deletions
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4
sys/amd64/amd64/support.S
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@ -1083,7 +1083,6 @@ ENTRY(suword_nosmap)
movq %rsi,(%rdi)
xorl %eax,%eax
movq PCPU(CURPCB),%rcx
movq %rax,PCB_ONFAULT(%rcx)
POP_FRAME_POINTER
ret
@ -1102,7 +1101,6 @@ ENTRY(suword_smap)
movq %rsi,(%rdi)
clac
xorl %eax,%eax
movq PCPU(CURPCB),%rcx
movq %rax,PCB_ONFAULT(%rcx)
POP_FRAME_POINTER
ret
@ -1119,7 +1117,6 @@ ENTRY(suword32_nosmap)
movl %esi,(%rdi)
xorl %eax,%eax
movq PCPU(CURPCB),%rcx
movq %rax,PCB_ONFAULT(%rcx)
POP_FRAME_POINTER
ret
@ -1138,7 +1135,6 @@ ENTRY(suword32_smap)
movl %esi,(%rdi)
clac
xorl %eax,%eax
movq PCPU(CURPCB),%rcx
movq %rax,PCB_ONFAULT(%rcx)
POP_FRAME_POINTER
ret