The branch stable/12 has been updated by mjg:
URL:
https://cgit.FreeBSD.org/src/commit/?id=8b06406210e0d1dcd222b39316d94715eff8da32
commit 8b06406210e0d1dcd222b39316d94715eff8da32
Author: Mateusz Guzik <m...@freebsd.org>
AuthorDate: 2019-05-12 06:34:58 +0000
Commit: Mateusz Guzik <m...@freebsd.org>
CommitDate: 2021-06-26 15:56:56 +0000
amd64: stop re-reading curpc in suword
Plugs re-reads missed in r341719
Sponsored by: The FreeBSD Foundation
(cherry picked from commit 8eae2be460aebfcba63cf5cdc11fa6fd0962470e)
---
sys/amd64/amd64/support.S | 4 ----
1 file changed, 4 deletions(-)
diff --git a/sys/amd64/amd64/support.S b/sys/amd64/amd64/support.S
index f12bf5f34f70..c78055386def 100644
--- a/sys/amd64/amd64/support.S
+++ b/sys/amd64/amd64/support.S
@@ -1190,7 +1190,6 @@ ENTRY(suword_nosmap)
movq %rsi,(%rdi)
xorl %eax,%eax
- movq PCPU(CURPCB),%rcx
movq %rax,PCB_ONFAULT(%rcx)
POP_FRAME_POINTER
ret
@@ -1209,7 +1208,6 @@ ENTRY(suword_smap)
movq %rsi,(%rdi)
clac
xorl %eax,%eax
- movq PCPU(CURPCB),%rcx
movq %rax,PCB_ONFAULT(%rcx)
POP_FRAME_POINTER
ret
@@ -1226,7 +1224,6 @@ ENTRY(suword32_nosmap)
movl %esi,(%rdi)
xorl %eax,%eax
- movq PCPU(CURPCB),%rcx
movq %rax,PCB_ONFAULT(%rcx)
POP_FRAME_POINTER
ret
@@ -1245,7 +1242,6 @@ ENTRY(suword32_smap)
movl %esi,(%rdi)
clac
xorl %eax,%eax
- movq PCPU(CURPCB),%rcx
movq %rax,PCB_ONFAULT(%rcx)
POP_FRAME_POINTER
ret
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