[PATCHv2 1/2] kernel/kexec: Change the prototype of kimage_map_segment()

Andrew Morton akpm at linux-foundation.org
Tue Nov 25 09:55:13 PST 2025


On Tue, 25 Nov 2025 12:54:39 +0800 Baoquan He <bhe at redhat.com> wrote:

> On 11/24/25 at 02:16pm, Andrew Morton wrote:
> > On Thu,  6 Nov 2025 14:59:03 +0800 Pingfan Liu <piliu at redhat.com> wrote:
> > 
> > > The kexec segment index will be required to extract the corresponding
> > > information for that segment in kimage_map_segment(). Additionally,
> > > kexec_segment already holds the kexec relocation destination address and
> > > size. Therefore, the prototype of kimage_map_segment() can be changed.
> > 
> > Could we please have some reviewer input on thee two patches?
> 
> I have some concerns about the one place of tiny code change, and the
> root cause missing in log. And Mimi sent mail to me asking why this bug
> can'e be seen on her laptop, I told her this bug can only be triggered
> on system where CMA area exists. I think these need be addressed in v3.

Great, thanks, I'll drop this version.



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