[PATCH v2 6/6] x86: switch the 64bit uncached page clear to SSE/AVX v2

[Jan Beulich]

>>> On 09.08.12 at 17:03, "Kirill A. Shutemov" <kirill.shutemov at linux.intel.com> wrote:
>  ENTRY(clear_page_nocache)
>  	CFI_STARTPROC
> -	xorl   %eax,%eax
> -	movl   $4096/64,%ecx
> +	push   %rdi
> +	call   kernel_fpu_begin
> +	pop    %rdi

You use CFI annotations elsewhere, so why don't you use
pushq_cfi/popq_cfi here?

Jan