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Date: Wed, 5 Aug 2015 17:18:54 +0200 From: Joerg Roedel <joro@...tes.org> To: iommu@...ts.linux-foundation.org Cc: David Woodhouse <dwmw2@...radead.org>, Alex Williamson <alex.williamson@...hat.com>, linux-kernel@...r.kernel.org, Joerg Roedel <joro@...tes.org>, jroedel@...e.de Subject: [PATCH 23/26] iommu/vt-d: Remove dmar_global_lock from device_notifier From: Joerg Roedel <jroedel@...e.de> The code in the locked section does not touch anything protected by the dmar_global_lock. Remove it from there. Signed-off-by: Joerg Roedel <jroedel@...e.de> --- drivers/iommu/intel-iommu.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 1a9ecfe..624e0a2 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4272,11 +4272,9 @@ static int device_notifier(struct notifier_block *nb, if (!domain) return 0; - down_read(&dmar_global_lock); dmar_remove_one_dev_info(domain, dev); if (!domain_type_is_vm_or_si(domain) && list_empty(&domain->devices)) domain_exit(domain); - up_read(&dmar_global_lock); 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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