From: Julien Grall <julien.grall@arm.com>
To: Peng Fan <van.freenix@gmail.com>,
xen-devel@lists.xen.org, sstabellini@kernel.org
Subject: Re: [PATCH V2 1/2] xen/arm: mm: remove unnecessary tlb flush in setup_pagetables
Date: Thu, 12 May 2016 11:50:19 +0100 [thread overview]
Message-ID: <57345FEB.6080400@arm.com> (raw)
In-Reply-To: <1463018504-26432-1-git-send-email-van.freenix@gmail.com>
Hi Peng,
On 12/05/16 03:01, Peng Fan wrote:
> CPU0 is using the boot pages table before relocating xen and
> xen_second is not part of them. So, no need to flush the TLB
> when filling xen_second.
>
> Signed-off-by: Peng Fan <van.freenix@gmail.com>
> Cc: Stefano Stabellini <sstabellini@kernel.org>
> Cc: Julien Grall <julien.grall@arm.com>
This will be Xen 4.8 material:
Reviewed-by: Julien Grall <julien.grall@arm.com>
Regards,
--
Julien Grall
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prev parent reply other threads:[~2016-05-12 10:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-12 2:01 [PATCH V2 1/2] xen/arm: mm: remove unnecessary tlb flush in setup_pagetables Peng Fan
2016-05-12 2:01 ` [PATCH V2 2/2] xen/arm: mm: clean up code " Peng Fan
2016-05-12 10:59 ` Julien Grall
2016-05-12 10:50 ` Julien Grall [this message]
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