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Re: [Xen-devel] [PATCH 7/7] x86/build: Use new .nop directive when available

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Mon, 12 Feb 2018 14:40:01 +0000
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxx>
Delivery-date: Mon, 12 Feb 2018 14:40:04 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Mon, Feb 12, 2018 at 11:23:07AM +0000, Andrew Cooper wrote:
> Newer versions of binutils are capable of emitting an exact number bytes worth
> of optimised nops.  Use this in preference to .skip when available.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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References:
- [Xen-devel] [PATCH 0/7] x86/alternatives: Support for automatic padding calculations
  - From: Andrew Cooper
- [Xen-devel] [PATCH 7/7] x86/build: Use new .nop directive when available
  - From: Andrew Cooper

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