On 09/23/19 at 04:34pm, Pavel Tatashin wrote:
> 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@xxxxxxxxxx>
> Reviewed-by: Simon Horman <horms@xxxxxxxxxxxx>
> ---
> 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 d5870723b8ad..2c5b72863b7b 100644
> --- a/kernel/kexec_core.c
> +++ b/kernel/kexec_core.c
> @@ -1169,7 +1169,7 @@ 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();
> }
>
Acked-by: Dave Young <dyoung@xxxxxxxxxx>
Thanks
Dave
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