diff options
| -rw-r--r-- | sys/amd64/amd64/mpboot.S | 4 | ||||
| -rw-r--r-- | sys/i386/i386/mpboot.s | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/sys/amd64/amd64/mpboot.S b/sys/amd64/amd64/mpboot.S index ac24c66..d3602d2 100644 --- a/sys/amd64/amd64/mpboot.S +++ b/sys/amd64/amd64/mpboot.S @@ -121,6 +121,8 @@ mp_begin: /* now running relocated at KERNBASE */ call _ap_init call _rel_mplock + lock /* Avoid livelock (PIII Errata 39) */ + addl $0,-4(%esp) 2: cmpl $0, CNAME(smp_started) /* Wait for last AP to be ready */ jz 2b @@ -133,6 +135,8 @@ NON_GPROF_ENTRY(wait_ap) pushl %ebp movl %esp, %ebp call _rel_mplock + lock /* Avoid livelock (PIII Errata 39) */ + addl $0,0(%esp) movl %eax, 8(%ebp) 1: cmpl $0, CNAME(smp_started) diff --git a/sys/i386/i386/mpboot.s b/sys/i386/i386/mpboot.s index ac24c66..d3602d2 100644 --- a/sys/i386/i386/mpboot.s +++ b/sys/i386/i386/mpboot.s @@ -121,6 +121,8 @@ mp_begin: /* now running relocated at KERNBASE */ call _ap_init call _rel_mplock + lock /* Avoid livelock (PIII Errata 39) */ + addl $0,-4(%esp) 2: cmpl $0, CNAME(smp_started) /* Wait for last AP to be ready */ jz 2b @@ -133,6 +135,8 @@ NON_GPROF_ENTRY(wait_ap) pushl %ebp movl %esp, %ebp call _rel_mplock + lock /* Avoid livelock (PIII Errata 39) */ + addl $0,0(%esp) movl %eax, 8(%ebp) 1: cmpl $0, CNAME(smp_started) |
