lkml.org 
[lkml]   [2018]   [Feb]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [tip:x86/boot] x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G
On Tue, Feb 13, 2018 at 12:41:22AM -0800, Andrei Vagin wrote:
> On Tue, Feb 13, 2018 at 11:08:16AM +0300, Kirill A. Shutemov wrote:
> > On Mon, Feb 12, 2018 at 10:51:56PM -0800, Andrei Vagin wrote:
> > > Hi Kirill,
> > >
> > > Something is wrong in this patch.

Could you please check if this makes a difference?

diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 70b30f2bc9e0..99a0e7993252 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -332,7 +332,7 @@ ENTRY(startup_64)

/* Make sure we have GDT with 32-bit code segment */
leaq gdt(%rip), %rax
- movl %eax, gdt64+2(%rip)
+ movq %rax, gdt64+2(%rip)
lgdt gdt64(%rip)

/*
--
Kirill A. Shutemov
\
 
 \ /
  Last update: 2018-02-13 10:03    [W:0.043 / U:0.684 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site