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From: Tony Battersby <tonyb-vFAe+i1/wJI5UWNf+nJyDw@public.gmane.org>
To: Matthew Wilcox <willy-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Cc: linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
	iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>,
	"linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v4 9/9] dmapool: debug: prevent endless loop in case of corruption
Date: Tue, 4 Dec 2018 11:22:34 -0500	[thread overview]
Message-ID: <4dcb22b0-a348-841d-8175-e368f67f33c3@cybernetics.com> (raw)
In-Reply-To: <20181113063601.GT21824-PfSpb0PWhxZc2C7mugBRk2EX/6BAtgUQ@public.gmane.org>

On 11/13/18 1:36 AM, Matthew Wilcox wrote:
> On Mon, Nov 12, 2018 at 10:46:35AM -0500, Tony Battersby wrote:
>> Prevent a possible endless loop with DMAPOOL_DEBUG enabled if a buggy
>> driver corrupts DMA pool memory.
>>
>> Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
> I like it!  Also, here you're using blks_per_alloc in a way which isn't
> normally in the performance path, but might be with the right config
> options.  With that, I withdraw my objection to the previous patch and
>
> Acked-by: Matthew Wilcox <willy@infradead.org>
>
> Andrew, can you funnel these in through your tree?  If you'd rather not,
> I don't mind stuffing them into a git tree and asking Linus to pull
> for 4.21.
>
No reply for 3 weeks, so adding Andrew Morton to recipient list.

Andrew, I have 9 dmapool patches ready for merging in 4.21.  See Matthew
Wilcox's request above.

Tony Battersby

_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID (diff)
From: Tony Battersby <tonyb@cybernetics.com>
To: Matthew Wilcox <willy@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	iommu@lists.linux-foundation.org, linux-mm@kvack.org,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH v4 9/9] dmapool: debug: prevent endless loop in case of corruption
Date: Tue, 4 Dec 2018 11:22:34 -0500	[thread overview]
Message-ID: <4dcb22b0-a348-841d-8175-e368f67f33c3@cybernetics.com> (raw)
In-Reply-To: <20181113063601.GT21824@bombadil.infradead.org>

On 11/13/18 1:36 AM, Matthew Wilcox wrote:
> On Mon, Nov 12, 2018 at 10:46:35AM -0500, Tony Battersby wrote:
>> Prevent a possible endless loop with DMAPOOL_DEBUG enabled if a buggy
>> driver corrupts DMA pool memory.
>>
>> Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
> I like it!  Also, here you're using blks_per_alloc in a way which isn't
> normally in the performance path, but might be with the right config
> options.  With that, I withdraw my objection to the previous patch and
>
> Acked-by: Matthew Wilcox <willy@infradead.org>
>
> Andrew, can you funnel these in through your tree?  If you'd rather not,
> I don't mind stuffing them into a git tree and asking Linus to pull
> for 4.21.
>
No reply for 3 weeks, so adding Andrew Morton to recipient list.

Andrew, I have 9 dmapool patches ready for merging in 4.21.  See Matthew
Wilcox's request above.

Tony Battersby

  parent reply	other threads:[~2018-12-04 16:22 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-12 15:46 [PATCH v4 9/9] dmapool: debug: prevent endless loop in case of corruption Tony Battersby
2018-11-12 15:46 ` Tony Battersby
     [not found] ` <9e65ec2e-5e22-4f65-7b92-ca2af0c555f3-vFAe+i1/wJI5UWNf+nJyDw@public.gmane.org>
2018-11-13  6:36   ` Matthew Wilcox
2018-11-13  6:36     ` Matthew Wilcox
     [not found]     ` <20181113063601.GT21824-PfSpb0PWhxZc2C7mugBRk2EX/6BAtgUQ@public.gmane.org>
2018-12-04 16:22       ` Tony Battersby [this message]
2018-12-04 16:22         ` Tony Battersby
     [not found]         ` <4dcb22b0-a348-841d-8175-e368f67f33c3-vFAe+i1/wJI5UWNf+nJyDw@public.gmane.org>
2018-12-04 20:14           ` Andrew Morton
2018-12-04 20:14             ` Andrew Morton
     [not found]             ` <20181204121443.1430883634a6ecf5f4a6a4a2-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2018-12-04 20:18               ` Matthew Wilcox
2018-12-04 20:18                 ` Matthew Wilcox
     [not found]                 ` <20181204201801.GS10377-PfSpb0PWhxZc2C7mugBRk2EX/6BAtgUQ@public.gmane.org>
2018-12-04 20:28                   ` Andrew Morton
2018-12-04 20:28                     ` Andrew Morton
     [not found]                     ` <20181204122854.339503ccbbdc638940c9e1d0-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2018-12-04 20:35                       ` Matthew Wilcox
2018-12-04 20:35                         ` Matthew Wilcox
2018-12-04 20:30                   ` Andy Shevchenko
2018-12-04 20:30                     ` Andy Shevchenko
     [not found]                     ` <CAHp75VeCHnUcE8mfUkx_uXz9_ZoA+hAvVtFiFP+nLj4rJevBdw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-12-04 21:26                       ` Tony Battersby
2018-12-04 21:26                         ` Tony Battersby
     [not found]                         ` <495c7e22-9332-1654-9ee0-63c33fae980e-vFAe+i1/wJI5UWNf+nJyDw@public.gmane.org>
2018-12-04 22:05                           ` Andy Shevchenko
2018-12-04 22:05                             ` Andy Shevchenko

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