Re: [PATCH 5.0 30/46] x86/boot/compressed/64: Do not read legacy ROM on EFI system

2019-03-12 Thread Kirill A. Shutemov
On Sat, Mar 09, 2019 at 10:10:19PM -0800, h...@zytor.com wrote: > >@@ -47,8 +50,18 @@ static unsigned long find_trampoline_pla > > * This code is based on reserve_bios_regions(). > > */ > > > >-ebda_start = *(unsigned short *)0x40e << 4; > >-bios_start = *(unsigned short *)0x413

Re: [PATCH 5.0 30/46] x86/boot/compressed/64: Do not read legacy ROM on EFI system

2019-03-10 Thread hpa
On March 9, 2019 10:18:40 PM PST, Greg Kroah-Hartman wrote: >On Sat, Mar 09, 2019 at 10:10:19PM -0800, h...@zytor.com wrote: >> On March 8, 2019 4:50:03 AM PST, Greg Kroah-Hartman > wrote: >> >5.0-stable review patch. If anyone has any objections, please let >me >> >know. >> > >>

Re: [PATCH 5.0 30/46] x86/boot/compressed/64: Do not read legacy ROM on EFI system

2019-03-09 Thread Greg Kroah-Hartman
On Sat, Mar 09, 2019 at 10:10:19PM -0800, h...@zytor.com wrote: > On March 8, 2019 4:50:03 AM PST, Greg Kroah-Hartman > wrote: > >5.0-stable review patch. If anyone has any objections, please let me > >know. > > > >-- > > > >From: Kirill A. Shutemov > > > >commit

Re: [PATCH 5.0 30/46] x86/boot/compressed/64: Do not read legacy ROM on EFI system

2019-03-09 Thread hpa
On March 8, 2019 4:50:03 AM PST, Greg Kroah-Hartman wrote: >5.0-stable review patch. If anyone has any objections, please let me >know. > >-- > >From: Kirill A. Shutemov > >commit 6f913de3231e1d70a871135b38219da7810df218 upstream. > >EFI systems do not necessarily provide a

[PATCH 5.0 30/46] x86/boot/compressed/64: Do not read legacy ROM on EFI system

2019-03-08 Thread Greg Kroah-Hartman
5.0-stable review patch. If anyone has any objections, please let me know. -- From: Kirill A. Shutemov commit 6f913de3231e1d70a871135b38219da7810df218 upstream. EFI systems do not necessarily provide a legacy ROM. If the ROM is missing the memory is not mapped at all. Trying