[PATCH 01/11] kexec_file: allow archs to handle special regions while locating memory hole

Hari Bathini hbathini at linux.ibm.com
Mon Jun 29 07:56:23 EDT 2020

Hi Petr,

On 29/06/20 5:09 pm, Petr Tesarik wrote:
> Hi Hari,
> is there any good reason to add two more functions with a very similar
> name to an existing function? AFAICS all you need is a way to call a
> PPC64-specific function from within kexec_add_buffer (PATCH 4/11), so
> you could add something like this:
> int __weak arch_kexec_locate_mem_hole(struct kexec_buf *kbuf)
> {
> 	return 0;
> }
> Call this function from kexec_add_buffer where appropriate and then
> override it for PPC64 (it roughly corresponds to your
> kexec_locate_mem_hole_ppc64() from PATCH 4/11).
> FWIW it would make it easier for me to follow the resulting code.

Right, Petr.

I was trying out a few things before I ended up with what I sent here.
Bu yeah.. I did realize arch_kexec_locate_mem_hole() would have been better
after sending out v1. Will take care of that in v2.


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