Messages in this thread | | | Subject | RE: [PATCH] msi: Immediately mask and unmask msi-x irqs. | Date | Tue, 3 Apr 2007 10:24:40 -0700 | From | "Williams, Mitch A" <> |
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Acked-by: Mitch Williams <mitch.a.williams@intel.com>
>This is a simplified and actually more comprehensive form of a bug >fix from Mitch Williams <mitch.a.williams@intel.com>. [snip] >Then if people do have a kernel message stating "No irq for vector" we >will know it is yet another novel cause that needs a complete new >investigation. > >So here is a one liner that will hopefully be a part of 2.6.21. > >Cc: Mitch Williams <mitch.a.williams@intel.com> >Cc: Greg KH <greg@kroah.com> >Cc: Andrew Morton <akpm@linux-foundation.org> >Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> >--- > drivers/pci/msi.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > >diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c >index ad33e01..435c195 100644 >--- a/drivers/pci/msi.c >+++ b/drivers/pci/msi.c >@@ -94,6 +94,7 @@ static void msi_set_mask_bit(unsigned int >irq, int flag) > int offset = entry->msi_attrib.entry_nr * >PCI_MSIX_ENTRY_SIZE + > PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET; > writel(flag, entry->mask_base + offset); >+ readl(entry->mask_base + offset); > break; > } > default: >-- >1.5.0.4 > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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