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Date: Thu, 24 May 2007 15:08:21 -0600 From: ebiederm@...ssion.com (Eric W. Biederman) To: "Mike Miller (OS Dev)" <mikem@...rdog.cca.cpqcorp.net> Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, tom.l.nguyen@...el.com, iss_storagedev@...com, jens.axboe@...cle.com, Michael Ellerman <michael@...erman.id.au> Subject: [PATCH] msi: Fix the ordering of msix irqs. Yours looks more complete then my test patch so: From: "Mike Miller (OS Dev)" <mikem@...rdog.cca.cpqcorp.net> writes: Found what seems the problem with our vectors being listed backward. In drivers/pci/msi.c we should be using list_add_tail rather than list_add to preserve the ordering across various kernels. Please consider this for inclusion. Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com> diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 0e67723..d74975d 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -333,7 +333,7 @@ static int msi_capability_init(struct pci_dev *dev) msi_mask_bits_reg(pos, is_64bit_address(control)), maskbits); } - list_add(&entry->list, &dev->msi_list); + list_add_tail(&entry->list, &dev->msi_list); /* Configure MSI capability structure */ ret = arch_setup_msi_irqs(dev, 1, PCI_CAP_ID_MSI); @@ -404,7 +404,7 @@ static int msix_capability_init(struct pci_dev *dev, entry->dev = dev; entry->mask_base = base; - list_add(&entry->list, &dev->msi_list); + list_add_tail(&entry->list, &dev->msi_list); } ret = arch_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSIX); - 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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