* Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> wrote:
> 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)
There's another suspicious looking pattern as well:
leaq startup_32(%rip), %rax
movl %eax, BP_code32_start(%rsi)
...
movl BP_code32_start(%esi), %eax
leaq startup_64(%rax), %rax
...
Thanks,
Ingo
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