The patch titled
Subject: kernel/sys.c: call disable_nonboot_cpus() in kernel_restart()
has been added to the -mm tree. Its filename is
kernel-sysc-call-disable_nonboot_cpus-in-kernel_restart.patch
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------------------------------------------------------
From: Shawn Guo <shawn.guo@xxxxxxxxxx>
Subject: kernel/sys.c: call disable_nonboot_cpus() in kernel_restart()
As kernel_power_off() calls disable_nonboot_cpus(), we may also want to
have kernel_restart() call disable_nonboot_cpus(). Doing so can help
machines that require boot cpu be the last alive cpu during reboot to
survive with kernel restart.
Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sys.c | 1 +
1 file changed, 1 insertion(+)
diff -puN kernel/sys.c~kernel-sysc-call-disable_nonboot_cpus-in-kernel_restart kernel/sys.c
--- a/kernel/sys.c~kernel-sysc-call-disable_nonboot_cpus-in-kernel_restart
+++ a/kernel/sys.c
@@ -368,6 +368,7 @@ EXPORT_SYMBOL(unregister_reboot_notifier
void kernel_restart(char *cmd)
{
kernel_restart_prepare(cmd);
+ disable_nonboot_cpus();
if (!cmd)
printk(KERN_EMERG "Restarting system.\n");
else
_
Patches currently in -mm which might be from shawn.guo@xxxxxxxxxx are
linux-next.patch
kernel-sysc-call-disable_nonboot_cpus-in-kernel_restart.patch
rtc-snvs-add-freescale-rtc-snvs-driver.patch
rtc-snvs-add-freescale-rtc-snvs-driver-fix.patch
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