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Message-Id: <201007232219.55331.rjw@sisk.pl> Date: Fri, 23 Jul 2010 22:19:55 +0200 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Jesse Barnes <jbarnes@...tuousgeek.org> Cc: linux-pci@...r.kernel.org, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: [PATCH] PCI: Do not run NVidia quirks related to MSI with MSI disabled From: Rafael J. Wysocki <rjw@...k.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@...k.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); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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