linux-kernel - Re: [PATCH v2 0/3] xen/blkback: several fixes of resource management

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Message-ID: <1519306.ELMa8d1Tnk@dhcp-10-1-1-124.lan.crc.id.au>
Date:   Wed, 07 Jun 2017 22:36:58 +1000
From:   Steven Haigh <netwiz@....id.au>
To:     xen-devel@...ts.xen.org
Cc:     Juergen Gross <jgross@...e.com>, linux-kernel@...r.kernel.org,
        xen-devel@...ts.xenproject.org, roger.pau@...rix.com
Subject: Re: [PATCH v2 0/3] xen/blkback: several fixes of resource management

On Friday, 19 May 2017 1:28:46 AM AEST Juergen Gross wrote:
> Destroying a Xen guest domain while it was doing I/Os via xen-blkback
> leaked several resources, including references of the guest's memory
> pages.
> 
> This patch series addresses those leaks by correcting usage of
> reference counts and the sequence when to free which resource.
> 
> The series applies on top of commit 2d4456c73a487abe ("block:
> xen-blkback: add null check to avoid null pointer dereference") in
> Jens Axboe's tree kernel/git/axboe/linux-block.git
> 
> V2: changed flag to type bool in patch 1 (Dietmar Hahn)
> 
> Juergen Gross (3):
>   xen/blkback: fix disconnect while I/Os in flight
>   xen/blkback: don't free be structure too early
>   xen/blkback: don't use xen_blkif_get() in xen-blkback kthread
> 
>  drivers/block/xen-blkback/blkback.c |  3 ---
>  drivers/block/xen-blkback/common.h  |  1 +
>  drivers/block/xen-blkback/xenbus.c  | 15 ++++++++-------
>  3 files changed, 9 insertions(+), 10 deletions(-)

Just wanted to give this a bit of a prod.

Is there any plans in having this hit the kernel.org kernels?

My testing was purely on kernel 4.9 branch - but it doesn't look like this has 
shown up there yet?

-- 
Steven Haigh

📧 netwiz@....id.au	💻 http://www.crc.id.au
📞 +61 (3) 9001 6090	📱 0412 935 897
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