linux-kernel - Re: [RFC PATCH 0/7] Replace _PAGE_NUMA with PAGE

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20141119131406.GH2725@suse.de>
Date:	Wed, 19 Nov 2014 13:14:06 +0000
From:	Mel Gorman <mgorman@...e.de>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux-MM <linux-mm@...ck.org>, Hugh Dickins <hughd@...gle.com>,
	Dave Jones <davej@...hat.com>, Rik van Riel <riel@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [RFC PATCH 0/7] Replace _PAGE_NUMA with PAGE_NONE protections

On Tue, Nov 18, 2014 at 12:18:43PM -0500, Sasha Levin wrote:
> On 11/18/2014 11:56 AM, Aneesh Kumar K.V wrote:
> >>> 4. Similarly, does the kernel boot properly without without patches?
> >> >
> >> > Yes, the kernel works fine without the patches both with and without fake
> >> > numa.
> > 
> > Hmm that is interesting. I am not sure how writeback_fid can be
> > related. We use writeback fid to enable client side caching with 9p
> > (cache=loose). We use this fid to write back dirty pages later. Can you
> > share the qemu command line used, 9p mount options and the test details ? 
> 
> I'm using kvmtool rather than qemu. rootfs is created via kernel parameters:
> 
> root=/dev/root rw rootflags=rw,trans=virtio,version=9p2000.L rootfstype=9p
> 
> The test is just running trinity, there's no 9p or mm specific test going on.
> 
> I've attached my .config.
> 

Ok, based on that I was able to reproduce the problem. I hope to have a
V2 before the end of the week. Thanks.

-- 
Mel Gorman
SUSE Labs
--
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/