[PATCH] kexec_lock:Fix comment for kexec_lock

Paul Menzel pmenzel at molgen.mpg.de
Mon Jul 24 08:49:54 UTC 2023


Dear Wenyu,


Thank you for your patch. Some minor comments, you can ignore.

Am 24.07.23 um 05:45 schrieb Wenyu Liu(D):

The (D) looks strange. At least a space should be added before the (.

> kexec_mutex is replaced by an atomic variable in
> 56314b90fd43bd2444 (panic, kexec: make __crash_kexec() NMI safe).
> 
> Fix some comment that still using kexec_mutex.

comment*s*

> 
> Signed-off-by: Wenyu Liu  <liuwenyu7 at huawei.com>

Due to the (D) this doesn’t exactly match with the Author field. You 
also have two spaces before < instead of one.

Also for the commit message summary you could be more specific:

 > kexec_lock: Replace kexec_mutex() by kexec_lock() in two comments

At least, please add a space after the colon (:).

> ---
>   kernel/kexec_file.c                | 2 +-
>   security/integrity/ima/ima_kexec.c | 2 +-
>   2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
> index 881ba0d1714c..b5bbb2fe0668 100644
> --- a/kernel/kexec_file.c
> +++ b/kernel/kexec_file.c
> @@ -624,7 +624,7 @@ int kexec_locate_mem_hole(struct kexec_buf *kbuf)
>    * kexec_add_buffer - place a buffer in a kexec segment
>    * @kbuf:  Buffer contents and memory parameters.
>    *
> - * This function assumes that kexec_mutex is held.
> + * This function assumes that kexec_lock is held.
>    * On successful return, @kbuf->mem will have the physical address of
>    * the buffer in memory.
>    *
> diff --git a/security/integrity/ima/ima_kexec.c b/security/integrity/ima/ima_kexec.c
> index 419dc405c831..ad133fe120db 100644
> --- a/security/integrity/ima/ima_kexec.c
> +++ b/security/integrity/ima/ima_kexec.c
> @@ -77,7 +77,7 @@ static int ima_dump_measurement_list(unsigned long *buffer_size, void **buffer,
>    * Called during kexec_file_load so that IMA can add a segment to the kexec
>    * image for the measurement list for the next kernel.
>    *
> - * This function assumes that kexec_mutex is held.
> + * This function assumes that kexec_lock is held.
>    */
>   void ima_add_kexec_buffer(struct kimage *image)
>   {
> --
> 2.33.0


Kind regards,

Paul



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