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SubjectRe: [PATCH] PCI: Do not run NVidia quirks related to MSI with MSI disabled
On Fri, 23 Jul 2010 22:19:55 +0200
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:

> From: Rafael J. Wysocki <rjw@sisk.pl>
>
> There is no reason to run NVidia-specific quirks related to HT MSI
> mappings with MSI disabled via pci=nomsi, so make
> __nv_msi_ht_cap_quirk() return immediately in that case.
>
> This allows at least one machine to boot 100% of the time with
> pci=nomsi (it still doesn't boot reliably without that).
>
> Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16443 .
>
> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
> ---
> drivers/pci/quirks.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> Index: linux-2.6/drivers/pci/quirks.c
> ===================================================================
> --- linux-2.6.orig/drivers/pci/quirks.c
> +++ linux-2.6/drivers/pci/quirks.c
> @@ -2390,6 +2390,9 @@ static void __devinit __nv_msi_ht_cap_qu
> int pos;
> int found;
>
> + if (!pci_msi_enabled())
> + return;
> +
> /* check if there is HT MSI cap or enabled on this device */
> found = ht_check_msi_mapping(dev);

applied to linux-next with a cc: stable. Thanks.

--
Jesse Barnes, Intel Open Source Technology Center


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