Thanks for the tips, I will post a new one later
在 2023/7/24 16:23, Baoquan He 写道:
> 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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>>
>
