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Message-Id: <1418813017-24888-2-git-send-email-joro@8bytes.org> Date: Wed, 17 Dec 2014 11:43:37 +0100 From: Joerg Roedel <joro@...tes.org> To: iommu@...ts.linux-foundation.org Cc: Alex Williamson <alex.williamson@...hat.com>, David Woodhouse <dwmw2@...radead.org>, Jerry Hoemann <jerry.hoemann@...com>, linux-kernel@...r.kernel.org, Joerg Roedel <jroedel@...e.de> Subject: [PATCH 2/2] iommu/vt-d: Remove dead code in device_notifier From: Joerg Roedel <jroedel@...e.de> This code only runs when action == BUS_NOTIFY_REMOVED_DEVICE, so it can't be BUS_NOTIFY_DEL_DEVICE. Signed-off-by: Joerg Roedel <jroedel@...e.de> --- drivers/iommu/intel-iommu.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 7610121..40dfbc0 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4029,14 +4029,6 @@ static int device_notifier(struct notifier_block *nb, if (action != BUS_NOTIFY_REMOVED_DEVICE) return 0; - /* - * If the device is still attached to a device driver we can't - * tear down the domain yet as DMA mappings may still be in use. - * Wait for the BUS_NOTIFY_UNBOUND_DRIVER event to do that. - */ - if (action == BUS_NOTIFY_DEL_DEVICE && dev->driver != NULL) - return 0; - domain = find_domain(dev); if (!domain) return 0; -- 1.9.1 -- 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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