staging: hv: Fixed bounce kmap problem by using correct index
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From: Greg KH on 3 Aug 2010 13:50 On Tue, Aug 03, 2010 at 05:31:51PM +0000, Hank Janssen wrote: > From: Hank Janssen <hjanssen(a)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? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Hank Janssen on 4 Aug 2010 00:40 And then Greg spoke: >>On Tue, Aug 03, 2010 at 05:31:51PM +0000, Hank Janssen wrote: >> From: Hank Janssen <hjanssen(a)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. Hank. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Greg KH on 4 Aug 2010 13:20 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(a)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(a)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? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Hank Janssen on 4 Aug 2010 13:20 >And then Greg spoke: >> And then Greg spoke: > >>>On Tue, Aug 03, 2010 at 05:31:51PM +0000, Hank Janssen wrote: > >>> From: Hank Janssen <hjanssen(a)microsoft.com> > >>> > >> >Fixed bounce offset kmap problem by using correct index > >> SNIP > > 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(a)kernel.org> I will re-submit all 5 patches and CC the stable mailing list on it as well. Thanks! Hank. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Greg KH on 4 Aug 2010 14:30
On Wed, Aug 04, 2010 at 05:17:21PM +0000, Hank Janssen wrote: > > >And then Greg spoke: > >> And then Greg spoke: > > >>>On Tue, Aug 03, 2010 at 05:31:51PM +0000, Hank Janssen wrote: > > >>> From: Hank Janssen <hjanssen(a)microsoft.com> > > >>> > > >> >Fixed bounce offset kmap problem by using correct index > > >> > > SNIP > > > > 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(a)kernel.org> > > I will re-submit all 5 patches and CC the stable mailing list on it as well. 5? I see 6 of them here :) thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |