diff options
| author | Alok Kataria <akataria@vmware.com> | 2010-10-11 14:37:08 -0700 |
|---|---|---|
| committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2011-01-06 18:08:20 -0500 |
| commit | 7d7eb1b7722acbd8277e929fe1c837b1e467dbf6 (patch) | |
| tree | 589c86615cc1dce0e9a9f66513db178f5ece8a2b /arch/x86/xen/enlighten.c | |
| parent | 1d4f8bd80b862a5ae120a6f30a21193e4a8ca6a4 (diff) | |
x86, kexec: Make sure to stop all CPUs before exiting the kernel
commit 76fac077db6b34e2c6383a7b4f3f4f7b7d06d8ce upstream.
x86 smp_ops now has a new op, stop_other_cpus which takes a parameter
"wait" this allows the caller to specify if it wants to stop until all
the cpus have processed the stop IPI. This is required specifically
for the kexec case where we should wait for all the cpus to be stopped
before starting the new kernel. We now wait for the cpus to stop in
all cases except for panic/kdump where we expect things to be broken
and we are doing our best to make things work anyway.
This patch fixes a legitimate regression, which was introduced during
2.6.30, by commit id 4ef702c10b5df18ab04921fc252c26421d4d6c75.
Signed-off-by: Alok N Kataria <akataria@vmware.com>
LKML-Reference: <1286833028.1372.20.camel@ank32.eng.vmware.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'arch/x86/xen/enlighten.c')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 27dff06d979..4d32089d093 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1001,7 +1001,7 @@ static void xen_reboot(int reason) struct sched_shutdown r = { .reason = reason }; #ifdef CONFIG_SMP - smp_send_stop(); + stop_other_cpus(); #endif if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r)) |