On Mon, 2007-10-22 at 13:13 -0500, Linas Vepstas wrote:
> On Mon, Oct 22, 2007 at 11:49:24AM +1000, Michael Ellerman wrote:
> >
> > On pseries there's a chance it will work for PCI error recovery, but if
> > so it's just lucky that firmware has left everything configured the same
> > way.
>
> ?
On Mon, 2007-10-22 at 17:23 -0700, David Miller wrote:
> From: [EMAIL PROTECTED] (Linas Vepstas)
> Date: Mon, 22 Oct 2007 14:54:52 -0500
>
> > As discussed in the other thread, I'll try to set up a patch
> > for an arch callback for restoring msi state.
>From what it looks like at this stage, pS
> > I don't know why you keep talking about powerpc laptops here ...
>
> Well, there are Apple laptops, right? Aren't those the "powermac"
> platform? Now, I don't know if they support MSI, but if they do,
> I get the impression that they might not restore msi state correctly,
> after being p
From: [EMAIL PROTECTED] (Linas Vepstas)
Date: Mon, 22 Oct 2007 14:54:52 -0500
> As discussed in the other thread, I'll try to set up a patch
> for an arch callback for restoring msi state.
Thank you.
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On Tue, Oct 23, 2007 at 07:24:27AM +1000, Benjamin Herrenschmidt wrote:
>
> On Mon, 2007-10-22 at 13:13 -0500, Linas Vepstas wrote:
> > On Mon, Oct 22, 2007 at 11:49:24AM +1000, Michael Ellerman wrote:
> > >
> > > On pseries there's a chance it will work for PCI error recovery, but if
> > > so it
On Mon, 2007-10-22 at 13:13 -0500, Linas Vepstas wrote:
> On Mon, Oct 22, 2007 at 11:49:24AM +1000, Michael Ellerman wrote:
> >
> > On pseries there's a chance it will work for PCI error recovery, but if
> > so it's just lucky that firmware has left everything configured the same
> > way.
>
> ?
On Fri, Oct 19, 2007 at 05:53:08PM -0700, David Miller wrote:
> From: [EMAIL PROTECTED] (Linas Vepstas)
> Date: Fri, 19 Oct 2007 19:46:10 -0500
>
> > FWIW, it looks like not all that many arches do this; the output
> > for grep -r address_hi * is pretty thin. Then, looking at
> > i386/kernel/io_ap
On Mon, Oct 22, 2007 at 11:49:24AM +1000, Michael Ellerman wrote:
>
> On pseries there's a chance it will work for PCI error recovery, but if
> so it's just lucky that firmware has left everything configured the same
> way.
? The papr is quite clear that i is up to the OS to restore the msi
stat
On Sun, 2007-10-21 at 16:21 -0700, David Miller wrote:
> From: "Matt Carlson" <[EMAIL PROTECTED]>
> Date: Fri, 19 Oct 2007 14:36:56 -0700
>
> > This patch exports the pci_restore_msi_state() function. This function
> > is needed to restore the MSI state during PCI error recovery.
> >
> > Signed-
> That's a pity, but AFAIK it shouldn't be a problem because we don't
> enable CONFIG_PM on those machines anyway. If we ever want to we'll need
> to sort out with firmware how that will work WRT restoring MSI state.
I think the current generic code for pci_restore_msi_state() or whatever
it's ca
On Sat, 2007-10-20 at 16:43 +1000, Michael Ellerman wrote:
> On Fri, 2007-10-19 at 17:53 -0700, David Miller wrote:
> > I don't see this, in all cases write_msi_msg() will transfer
> > the given "*msg" to entry->msg by this assignment in
> > drivers/pci/msi.c:
> >
> > void write_msi_msg(unsigned i
On Fri, 2007-10-19 at 17:53 -0700, David Miller wrote:
> From: [EMAIL PROTECTED] (Linas Vepstas)
> Date: Fri, 19 Oct 2007 19:46:10 -0500
>
> > FWIW, it looks like not all that many arches do this; the output
> > for grep -r address_hi * is pretty thin. Then, looking at
> > i386/kernel/io_apic.c a
> I'm cc'ing the powerpc mailing list to point this out:
> it looks like only cell/axon_msi.c and mpic_u3msi.c
> bother do do anything. I guess that there aren't any old
> macintosh laptops that have msi on them? Because without
> this, suspend and resume breaks.
The only macs that can do any
From: [EMAIL PROTECTED] (Linas Vepstas)
Date: Fri, 19 Oct 2007 19:46:10 -0500
> FWIW, it looks like not all that many arches do this; the output
> for grep -r address_hi * is pretty thin. Then, looking at
> i386/kernel/io_apic.c as an example, one can see that the
> msi state save happens "by acc
Hi,
On Fri, Oct 19, 2007 at 05:27:06PM -0700, David Miller wrote:
> From: [EMAIL PROTECTED] (Linas Vepstas)
> Date: Fri, 19 Oct 2007 19:04:21 -0500
>
> > I'm working in linux-2.6.23-rc8-mm1 at the moment, and I don't see
> > that happening. viz. read_msi_msg() is not called anywhere, and I need
>
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