[PATCH 1/6] staging: hv: Fixed bounce kmap problem by using correct index

Greg KH gregkh at suse.de
Wed Aug 4 17:04:06 UTC 2010

On Wed, Aug 04, 2010 at 04:35:06AM +0000, Hank Janssen wrote:
> And then Greg spoke:
> >>On Tue, Aug 03, 2010 at 05:31:51PM +0000, Hank Janssen wrote:
> >> From: Hank Janssen <hjanssen at microsoft.com>
> >> 
> > >Fixed bounce offset kmap problem by using correct index
> >
> >Is this a bugfix that needs to go to previous kernel releases?  If so, which ones?  What is the symptom of the problem here?
> Yes, this should be backported to all stable kernel releases that have the Hyper-V drivers In them.  
> The symptom of the problem is that in some NAS appliances this problem represents
> Itself by a unresponsive VM under a load with many clients writing small files.
> I actually goofed up in my previous code and used an incorrect index number
> For this part of the code. It should have shown up in more situations than what
> I have seen oddly enough.

Please provide this type of information in the changelog section.

If you want something backported to older stable kernels, add a:
	Cc: stable <stable at kernel.org>
to the signed-off-by area of the patch and it will be automatically sent
to the stable alias when it gets included in Linus's tree so I know to
pick it up then.

Care to resend all of these patches based on these comments?


greg k-h

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