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Re: [Xen-devel] [PATCH for-4.11 00/10] x86: Improvements and fixes to Spectre handling

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Mon, 14 May 2018 10:23:17 +0100
Cc: Juergen Gross <jgross@xxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Anthony Liguori <aliguori@xxxxxxxxxx>, Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxx>, Martin Pohlack <mpohlack@xxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, David Woodhouse <dwmw@xxxxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
Delivery-date: Mon, 14 May 2018 09:23:36 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Fri, May 11, 2018 at 11:38:04AM +0100, Andrew Cooper wrote:
> In hindsight, the end result of the Spectre mitigations aren't as great as I'd
> hoped, and have several inefficiencies.  Also, the `bti=` command line option
> isn't as flexible as intended.

I think this is a good argument for this series to be in for 4.11.

Wei.

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References:
- [Xen-devel] [PATCH for-4.11 00/10] x86: Improvements and fixes to Spectre handling
  - From: Andrew Cooper

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