diff options
| author | David S. Miller <davem@davemloft.net> | 2014-06-03 23:32:12 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-06-03 23:32:12 -0700 |
| commit | c99f7abf0e69987e4add567e155e042cb1f2a20b (patch) | |
| tree | d23898dc30ed25c1dae9bb6325041027d412397a /kernel/kexec.c | |
| parent | 92ff71b8fe9cd9c673615fc6f3870af7376d7c84 (diff) | |
| parent | d8b0426af5b67973585712c9af36b86f6ea97815 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
include/net/inetpeer.h
net/ipv6/output_core.c
Changes in net were fixing bugs in code removed in net-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/kexec.c')
| -rw-r--r-- | kernel/kexec.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c index c8380ad203bc..28c57069ef68 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1683,6 +1683,14 @@ int kernel_kexec(void) kexec_in_progress = true; kernel_restart_prepare(NULL); migrate_to_reboot_cpu(); + + /* + * migrate_to_reboot_cpu() disables CPU hotplug assuming that + * no further code needs to use CPU hotplug (which is true in + * the reboot case). However, the kexec path depends on using + * CPU hotplug again; so re-enable it here. + */ + cpu_hotplug_enable(); printk(KERN_EMERG "Starting new kernel\n"); machine_shutdown(); } |