On 07/24/23 at 11:45am, Wenyu Liu(D) wrote:
> kexec_mutex is replaced by an atomic variable in
> 56314b90fd43bd2444 (panic, kexec: make __crash_kexec() NMI safe).
You could use a distros kernel or customized kernel and made change
based on that. The commit id isn't correct. I pasted the right one
at below.
commit 05c6257433b ("panic, kexec: make __crash_kexec() NMI safe")
Other than this, this looks good. You can post a new one with my ack.
Acked-by: Baoquan He <bhe@xxxxxxxxxx>
>
> Fix some comment that still using kexec_mutex.
>
> Signed-off-by: Wenyu Liu <liuwenyu7@xxxxxxxxxx>
> ---
> 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
>
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