netdev - Re: Performance regression 3.11 with macvlan between 2 linux guests (bisected)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 22 Aug 2013 10:23:32 +0200
From:	Christian Borntraeger <borntraeger@...ibm.com>
To:	vyasevic@...hat.com
CC:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Matthew Rosato <mjrosato@...ux.vnet.ibm.com>,
	Jason Wang <jasowang@...hat.com>
Subject: Re: Performance regression 3.11 with macvlan between 2 linux guests
 (bisected)

On 21/08/13 20:12, Vlad Yasevich wrote:

>>
>> A corrected patch has been sent upstream.  We take into consideration
>> the features on the target device that the user/vm has specified.
>> If the VM has enabled the TSO flags, then nothing will happen to the
>> GSO packet.  However, if the TSO flag is off, segmentation will be
>> performed.
> 
> Particularly.  This commit should fix the issue:
> commit a567dd6252263c8147b7269df5d03d9e31463e11
>  macvtap: simplify usage of tap_features

Tested-by: Christian Borntraeger <borntraeger@...ibm.com>

The patch is still in net.git, but not in Linus git. Are we going to push this
for 3.11?




--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html