diff options
| author | jhb <jhb@FreeBSD.org> | 2005-10-24 20:53:52 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2005-10-24 20:53:52 +0000 |
| commit | b0356550ccf33cb4d4dac4a3541b70cf4a954071 (patch) | |
| tree | c5c7117681b323268bf6ca469739c624a3f4e5fa /sys/i386 | |
| parent | 3e00318de1032463a061de977e2d24d2c7f6bbce (diff) | |
| download | FreeBSD-src-b0356550ccf33cb4d4dac4a3541b70cf4a954071.zip FreeBSD-src-b0356550ccf33cb4d4dac4a3541b70cf4a954071.tar.gz | |
When restarting the BSP during cpu_reset() use a membar to ensure that
the updated cpustop_restartfunc is seen when the BSP resumes execution.
This matches the membar already present in restart_cpus().
Diffstat (limited to 'sys/i386')
| -rw-r--r-- | sys/i386/i386/vm_machdep.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/i386/i386/vm_machdep.c b/sys/i386/i386/vm_machdep.c index 926e44b..ca51b8f 100644 --- a/sys/i386/i386/vm_machdep.c +++ b/sys/i386/i386/vm_machdep.c @@ -551,7 +551,10 @@ cpu_reset() cpustop_restartfunc = cpu_reset_proxy; cpu_reset_proxy_active = 0; printf("cpu_reset: Restarting BSP\n"); - started_cpus = (1<<0); /* Restart CPU #0 */ + + /* Restart CPU #0. */ + /* XXX: restart_cpus(1 << 0); */ + atomic_store_rel_int(&started_cpus, (1 << 0)); cnt = 0; while (cpu_reset_proxy_active == 0 && cnt < 10000000) |
