Re: [Xen-devel] Powerdown problem on XEN | ACPI S5

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Aug 15, 2013 at 09:28:24PM +0200, Atom2 wrote:
> Hi guys,
> thanks for your further input.
> 
> Following through Ben's mail below and Konrad's later mail
> suggesting the same, I tried to get these patches in. I'd however
> require your help before I feel I can safely proceed.
> 
> Please see below:
> 
> Am 15.08.13 03:58, schrieb Ben Guthro:
> [...]
> >I admit, I don't know how the gentoo build system works, but the general
> >idea here is that you want to revert those 2 commits, and apply the third.
> >
> >If you don't have a git tree, you can download the two commits from
> >these two links
> >http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/patch/?id=c79c49826270b8b0061b2fca840fc3f013c8a78a
> >http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/patch/?id=8eaffa67b43e99ae581622c5133e20b0f48bcef1
> >
> >You'll want to apply them in reverse
> After consultation with the manual I decided to give it a dry-run
> before and check with you guys first. First of all, I assume I'm
> righht that this is a patch to the *linux kernel* and not the
> xen-sources as I could not find the referenced files in the xen
> tree.

Right. You also need to compile the kernel. Usually I pluck the
/boot/config-my-exisitng-kernel-vresion and put it in the linux
directory as .config.

> 
> >patch -p1 -R < c79c498.patch
> vm-host # patch --dry-run -p1 -R < c79c498.patch
> patching file arch/x86/xen/enlighten.c
> Hunk #2 succeeded at 1431 (offset 14 lines).
> 
> I am slightly worried about the last message, not so much about the
> offset, but rather only the "Hunk #2" success. Why is there no "Hunk
> #1" when there's a "Hunk #2"?
> 
> >patch -p1 -R < 8eaffa67.patch
> vm-host # patch --dry-run -p1 -R < 8eaffa67.patch
> patching file arch/x86/xen/enlighten.c
> Hunk #1 succeeded at 1367 (offset 226 lines).
> patching file arch/x86/xen/mmu.c
> Hunk #1 succeeded at 434 (offset 19 lines).
> Hunk #2 succeeded at 482 (offset 19 lines).
> Hunk #3 succeeded at 495 (offset 19 lines).
> 
> That seems to be o.k. from my understanding?
> >
> >Then apply the patch from
> >https://lkml.org/lkml/2012/2/10/229
> For this patch I copied the complete text from the https address
> above and copied it to a file named 229.patch. Then I issued the
> following command:
> vm-host # patch --dry-run -p1 -R < 229.patch
> patching file arch/x86/include/asm/pgtable.h
> Unreversed patch detected!  Ignore -R? [n]

Note that you had been using --dry-run which means that the changes
did NOT go in effect.
> 
> I am not sure what to make out of this? Could you please provide some input.

Attaching the full part thanks to Martin Cerveny <martin@xxxxxxxxx>
doing it in another thread (about the Nvidia and CUDA).

You basically want those changes that the diff file has.

After the patching, if you run git diff you should see a similar
result to what the attached patch had.

Then just do 'make -j3141567891238901948248092840932480932; sudo make 
modules_install; sudo make
install;sudo grub2-mkconfig -o /boot/grub2/grub.cfg' and reboot the new
kernel.

> Thanks and sorry for those probably dumb questions. I'm new to this
> (automated) patching thing, and with a little help, the first time
> usually works out well.

P.S.
No need to do the -j31415.. It should be just the amount of CPUs
you have.
>

Attachment: linux-3.9.fc18-PAT.patch
Description: Text document

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