Re: [PATCH] x86/asm: Add support for MOVDIR64B instruction

Borislav Petkov
2019-08-01T10:03:46Z

On Wed, Jul 31, 2019 at 02:05:54AM +0300, Kirill A. Shutemov wrote:
> Add support for a new instruction MOVDIR64B. The instruction moves
> 64-bytes as direct-store with 64-byte write atomicity from source memory
> address to destination memory address.
>
> MOVDIR64B requires the destination address to be 64-byte aligned. No
> alignment restriction is enforced for source operand.
>
> See Intel Software Developer’s Manual for more information on the
> instruction.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> ---
>
> Several upcoming patchsets will make use of the helper.

... so why aren't you sending it together with its first user?

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
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