On 12/02/15 at 04:39pm, Xunlei Pang wrote:
> sanity_check_segment_list() checks KEXEC_TYPE_CRASH flag to ensure
> all the segments of the loaded crash kernel are winthin the kernel
> crash resource limits, so set the flag beforehand.
> 
> Signed-off-by: Xunlei Pang <[email protected]>
> Acked-by: Dave Young <[email protected]>
> ---
> v1 -> v2:
> Improved some comments.
> 
>  kernel/kexec.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/kernel/kexec.c b/kernel/kexec.c
> index d873b64..ee70aef 100644
> --- a/kernel/kexec.c
> +++ b/kernel/kexec.c
> @@ -63,16 +63,16 @@ static int kimage_alloc_init(struct kimage **rimage, 
> unsigned long entry,
>       if (ret)
>               goto out_free_image;
>  
> -     ret = sanity_check_segment_list(image);
> -     if (ret)
> -             goto out_free_image;
> -
> -      /* Enable the special crash kernel control page allocation policy. */
>       if (kexec_on_panic) {
> +             /* Enable special crash kernel control page alloc policy. */
>               image->control_page = crashk_res.start;
>               image->type = KEXEC_TYPE_CRASH;
>       }

Good catch. This is hard to be found because kexec-tools user space
utility has make sure it's well located. It must be a code reviewing
finding. Ack it.

Acked-by: Baoquan He <[email protected]>

Thanks
Baoquan

>  
> +     ret = sanity_check_segment_list(image);
> +     if (ret)
> +             goto out_free_image;
> +
>       /*
>        * Find a location for the control code buffer, and add it
>        * the vector of segments so that it's pages will also be
> -- 
> 2.5.0
> 
> 
> _______________________________________________
> kexec mailing list
> [email protected]
> http://lists.infradead.org/mailman/listinfo/kexec
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to