Re: [PATCH] efi: Fix the size not consistent issue when unmapping memory map

From: Dave Young
Date: Mon Apr 16 2018 - 22:41:32 EST


On 04/16/18 at 06:35pm, Randy Wright wrote:
> On Mon, Apr 16, 2018 at 02:37:38PM +0800, joeyli wrote:
> > Hi Randy,
> > ...
> > Randy, do you want to try Dave's kexec patch on your environment? Please remove
> > my patch first.
> >
> > Thanks a lot!
> > Joey Lee
>
> Hi Joey,
>
> I tried Dave's patch to kexec-bzimage64.c on my build of the SuSE
> 4.12.14-15 kernel. I ran the same test as I did with your patch: I
> verified the early_ioremap.c warnings occurred with a crash triggered
> from a kexec boot of the unmodified kernel. Then I applied the patch to
> kexec-bzimage64.c, rebuilt, re-ran the test to crash from the kexec'ed
> kernel, and verified the warnings are no longer seen.

Great, thanks for the testing, will send out the patch after some local
tests.

Thanks
Dave