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author | Jason Jin <Jason.Jin@freescale.com> | 2015-03-19 05:40:14 (GMT) |
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committer | Jason Jin <Jason.Jin@freescale.com> | 2015-03-19 05:40:14 (GMT) |
commit | b2d58e506b33b18574807e63007e87ebca0f9c07 (patch) | |
tree | fc2afd772ba5cdac0dd091f65c492695b27d9a17 /kernel/kexec.c | |
parent | 2bbe09ef71ce8446ba0b3e29df2099150e9e6fdf (diff) | |
parent | eb985cb9b5e02d470870617b41fa51a1d9360c7f (diff) | |
download | linux-fsl-qoriq-b2d58e506b33b18574807e63007e87ebca0f9c07.tar.xz |
Merge branch 'qoriq-sdk' into LS1-SDK
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 355e13a..4c9dcff 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1681,6 +1681,14 @@ 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(); } |