Re: Backport of a fix for HPSA (Disabling a disabled device problem during kdump) driver

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On Mon, Apr 27, 2015 at 02:17:32PM +0200, Tomas Henzl wrote:
> On 04/26/2015 11:27 AM, Greg KH wrote:
> > On Mon, Apr 13, 2015 at 03:18:44PM +0200, Tomas Henzl wrote:
> >> On 04/11/2015 12:45 AM, Vinson Lee wrote:
> >>> On Tue, Jan 27, 2015 at 4:18 PM, Greg KH <greg@xxxxxxxxx> wrote:
> >>>> On Tue, Jan 06, 2015 at 05:15:19PM +0100, Tomas Henzl wrote:
> >>>>> On 01/05/2015 07:41 PM, Masoud Sharbiani wrote:
> >>>>>> Dear stable maintainers,
> >>>>>> Can you please backport commitid 132aa220b45d60e9b20def1e9d8be9422eed9616
> >>>>>>  (hpsa: refine the pci enable/disable handling) to 3.10 stable (and
> >>>>>> earlier, if applicable)?
> >>>>> Please do not apply this patch isolated from his friend, the
> >>>>> 859c75aba20264d87dd026bab0d0ca3bff385955 hpsa: add missing pci_set_master in kdump path
> >>>>> needs to be applied together with the 132aa220b45d60e9b20def1e9d8be9422eed9616 .
> >>>>>
> >>>>> In addition to that, after the original issue goes away you may notice sometimes
> >>>>> an unhandled irq 16 message, to fix this a patch is posted
> >>>>> here http://www.spinics.net/lists/linux-scsi/msg80316.html
> >>>>> This patch still awaits a maintainers review though.
> >>>>>
> >>>>> Probably the best idea is to wait until the issue is solved completely.
> >>>> I'll wait, when it all gets worked out, please let stable@ know what
> >>>> patches to apply where.
> >>>>
> >>>> thanks,
> >>>>
> >>>> greg k-h
> >>>> --
> >>>> To unsubscribe from this list: send the line "unsubscribe stable" in
> >>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
> >>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> >>> Hi, Thomas.
> >>>
> >>> The unhandled irq 16 issue seems to be fixed by 4.0-rc1 commit "hpsa:
> >>> turn off interrupts when kdump starts".
> >>>
> >>> Are the following patches suitable for stable now?
> >> Yes, I believe they are, just note that 
> >> 03741d9 hpsa: fix memory leak in kdump hard reset
> >> is not a part of that group we discussed before, but it may be added
> >> to stable too.
> >>
> >> Cheers,
> >> Tomas
> >>
> >>> 3b74729 hpsa: turn off interrupts when kdump starts
> >>> 03741d9 hpsa: fix memory leak in kdump hard reset
> >>> 859c75a hpsa: add missing pci_set_master in kdump path
> >>> 132aa22 hpsa: refine the pci enable/disable handling
> > So what order, and to what stable tree(s) do you want these applied to?
> > They seem to span a number of kernel versions, so I'm not quite sure
> > what you are wanting me to do.
> 
> Please add it in this order
> 1. 132aa220b4 hpsa: refine the pci enable/disable handling
> 2. 859c75aba2 hpsa: add missing pci_set_master in kdump path
>    The first two patches create the fix Masoud has asked for originally to port to stable.
> 3. 3b74729878 hpsa: turn off interrupts when kdump starts
>    The third should be added too, it fixes an issue made visible by the first patch
> 
> The fourth patch
> 03741d956e hpsa: fix memory leak in kdump hard reset
> is completely unrelated to the first group, so it may be added after or before
> or in the same sequence as it is in the mainline - that is before the third patch.
> This patch is tiny error path fix - not sure if important enough for stable.

Which stable tree(s) do you want these applied to?  As these "span"
different kernel versions, I have no idea of what to do here.

Please be specific.

thanks,

greg k-h
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