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Subject[PATCH] kexec: quiet down kexec reboot
Date
Here is a regular kexec command sequence and output:
=====
$ kexec --reuse-cmdline -i --load Image
$ kexec -e
[ 161.342002] kexec_core: Starting new kernel

Welcome to Buildroot
buildroot login:
=====

Even when "quiet" kernel parameter is specified, "kexec_core: Starting
new kernel" is printed.

This message has KERN_EMERG level, but there is no emergency, it is
a normal kexec operation, so quiet it down to appropriate KERN_NOTICE.

Machines that have slow console baud rate benefit from less output.

Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
---
kernel/kexec_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index d7140447be75..fe13e86984ec 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -1171,7 +1171,7 @@ int kernel_kexec(void)
* CPU hotplug again; so re-enable it here.
*/
cpu_hotplug_enable();
- pr_emerg("Starting new kernel\n");
+ pr_notice("Starting new kernel\n");
machine_shutdown();
}

--
2.21.0
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