> From: Dexuan Cui
> Sent: Monday, November 16, 2020 7:40 PM
> > diff --git a/arch/x86/kernel/kexec-bzimage64.c
> > b/arch/x86/kernel/kexec-bzimage64.c
> > index 57c2ecf43134..ce831f9448e7 100644
> > --- a/arch/x86/kernel/kexec-bzimage64.c
> > +++ b/arch/x86/kernel/kexec-bzimage64.c
> > @@ -200,8 +
> From: Kairui Song
> Sent: Wednesday, October 14, 2020 2:24 AM
> To: linux-kernel@vger.kernel.org
>
> kexec_file_load now just reuse the old boot_params.screen_info.
> But if drivers have change the hardware state, boot_param.screen_info
> could contain invalid info.
>
> For example, the video
kexec_file_load now just reuse the old boot_params.screen_info.
But if drivers have change the hardware state, boot_param.screen_info
could contain invalid info.
For example, the video type might be no longer VGA, or frame buffer
address changed. If kexec kernel keep using the old screen_info,
kex
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