diff options
| author | Bruce Evans <bde@FreeBSD.org> | 2001-05-20 16:51:08 +0000 |
|---|---|---|
| committer | Bruce Evans <bde@FreeBSD.org> | 2001-05-20 16:51:08 +0000 |
| commit | c2b095ab7270cafe81deba1dc90eadad01e99a8b (patch) | |
| tree | 9bdc9c510ec0b451d6979d3fcdd8cf9f8c69e1ce /sys/amd64 | |
| parent | c5c4ac3fb8a6667597ba88122eb7731612fe183f (diff) | |
Notes
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/amd64/cpu_switch.S | 5 | ||||
| -rw-r--r-- | sys/amd64/amd64/swtch.s | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/sys/amd64/amd64/cpu_switch.S b/sys/amd64/amd64/cpu_switch.S index ed4525fa118b..180b87be8fc7 100644 --- a/sys/amd64/amd64/cpu_switch.S +++ b/sys/amd64/amd64/cpu_switch.S @@ -327,6 +327,8 @@ ENTRY(savectx) * have to handle h/w bugs for reloading. We used to lose the * parent's npx state for forks by forgetting to reload. */ + pushfl + cli movl PCPU(NPXPROC),%eax testl %eax,%eax je 1f @@ -347,7 +349,8 @@ ENTRY(savectx) pushl %eax call bcopy addl $12,%esp +1: + popfl #endif /* DEV_NPX */ -1: ret diff --git a/sys/amd64/amd64/swtch.s b/sys/amd64/amd64/swtch.s index ed4525fa118b..180b87be8fc7 100644 --- a/sys/amd64/amd64/swtch.s +++ b/sys/amd64/amd64/swtch.s @@ -327,6 +327,8 @@ ENTRY(savectx) * have to handle h/w bugs for reloading. We used to lose the * parent's npx state for forks by forgetting to reload. */ + pushfl + cli movl PCPU(NPXPROC),%eax testl %eax,%eax je 1f @@ -347,7 +349,8 @@ ENTRY(savectx) pushl %eax call bcopy addl $12,%esp +1: + popfl #endif /* DEV_NPX */ -1: ret |