diff options
Diffstat (limited to 'sys/amd64/ia32')
-rw-r--r-- | sys/amd64/ia32/ia32_signal.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/amd64/ia32/ia32_signal.c b/sys/amd64/ia32/ia32_signal.c index a6d82a4..5849d0d 100644 --- a/sys/amd64/ia32/ia32_signal.c +++ b/sys/amd64/ia32/ia32_signal.c @@ -715,10 +715,12 @@ ia32_setregs(td, entry, stack, ps_strings) struct trapframe *regs = td->td_frame; struct pcb *pcb = td->td_pcb; + critical_enter(); wrmsr(MSR_FSBASE, 0); wrmsr(MSR_KGSBASE, 0); /* User value while we're in the kernel */ pcb->pcb_fsbase = 0; pcb->pcb_gsbase = 0; + critical_exit(); load_ds(_udatasel); load_es(_udatasel); load_fs(_udatasel); |