RE: [PATCH 1/2] x86/kexec: Use up-to-dated screen_info copy to fill boot params

> 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

RE: [PATCH 1/2] x86/kexec: Use up-to-dated screen_info copy to fill boot params

> 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

[PATCH 1/2] x86/kexec: Use up-to-dated screen_info copy to fill boot params

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,