[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH] xen: Disable RAM-to-RAM copy in hvmemul_rep_movs() when mem_access_emulate_enabled


  • To: xen-devel@xxxxxxxxxxxxx
  • From: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
  • Date: Tue, 05 May 2015 13:08:11 +0300
  • Cc: andrew.cooper3@xxxxxxxxxx, keir@xxxxxxx, jbeulich@xxxxxxxx
  • Comment: DomainKeys? See http://domainkeys.sourceforge.net/
  • Delivery-date: Tue, 05 May 2015 10:07:59 +0000
  • Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=bitdefender.com; b=pjNM3uWxcwqKL/QZs/+i8jDhZiVsnZur6lK3o8AsHgvjG2d/n2Vaf6GcA4AIFWRR2kcZ7hDNEARkX21E78ky25HkkXmfN+JpG64P880jlCkIUE3CRhAu18VsvMAB36gNGo/lifE34jT2G64LkNMNktYJopTdGsRQE6BvjY1GtLwYvn2+0nHIa3NoyzmuPAKqFcbOiwpuo4mmaNX33Jz9mNV3+rymfPKQAJX4k8ciXL+uENhKaVh4Edu0W2iuaPC93NFP69KaBOpfBY8xA7N2HDbH+qM1HeEXPetmHBVx6xRrPEY2EpWrsY5hcjMYyvfEH0RvufPtq9T4MAf6JPSuWA==; h=Received:Received:Received:Received:Received:Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding:X-BitDefender-Scanner:X-BitDefender-Spam:X-BitDefender-SpamStamp:X-BitDefender-CF-Stamp;
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 05/05/2015 01:01 PM, Razvan Cojocaru wrote:
> The mem_access client might want to use hvm_emulate_one_no_write(),
> in which case the RAM-to-RAM copy code in hvmemul_rep_movs() would
> lead to an unwanted (and unexpected) write operation.

This patch requires Tamas' last series, which is now in staging.


Thanks,
Razvan Cojocaru

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.