linux-kernel - Re: [Xen-devel] Backport request to stable of two performance related fixes for xen-blkfront (3.13 fixes to earlier trees)

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]

Message-ID: <537B2F2C.4080905@citrix.com>
Date:	Tue, 20 May 2014 12:32:12 +0200
From:	Roger Pau Monné <roger.pau@...rix.com>
To:	Vitaly Kuznetsov <vkuznets@...hat.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	<gregkh@...uxfoundation.org>, <linux-kernel@...r.kernel.org>,
	<stable@...r.kernel.org>, <xen-devel@...ts.xenproject.org>,
	<felipe.franciosi@...rix.com>, <jerry.snitselaar@...cle.com>,
	<axboe@...nel.dk>
Subject: Re: [Xen-devel] Backport request to stable of two performance related
 fixes for xen-blkfront (3.13 fixes to earlier trees)

On 20/05/14 11:54, Vitaly Kuznetsov wrote:
> Vitaly Kuznetsov <vkuznets@...hat.com> writes:
> 
>> 1) ramdisks (/dev/ram*) (persistent grants and indirect descriptors
>> disabled)
> 
> sorry, there was a typo. persistent grants and indirect descriptors are
> enabled with ramdisks, otherwise such testing won't make any sense.

I'm not sure how is that possible, from your description I get that you
are using 3.11 on the Dom0, which means blkback has support for
persistent grants and indirect descriptors, but the guest is RHEL7,
that's using the 3.10 kernel AFAICT, and this kernel only has persistent
grants implemented.

Roger.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/