lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1404998750-15536-3-git-send-email-joro@8bytes.org>
Date:	Thu, 10 Jul 2014 15:25:43 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Cc:	Oded.Gabbay@....com, Joerg Roedel <jroedel@...e.de>
Subject: [PATCH 2/9] iommu/amd: Don't call mmu_notifer_unregister in __unbind_pasid

From: Joerg Roedel <jroedel@...e.de>

This function is called only in the mn_release() path, so
there is no need to unregister the mmu_notifer here.

Signed-off-by: Joerg Roedel <jroedel@...e.de>
Tested-by: Oded Gabbay <Oded.Gabbay@....com>
---
 drivers/iommu/amd_iommu_v2.c |    2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 0e29f6f..1fdd22c 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -313,8 +313,6 @@ static void __unbind_pasid(struct pasid_state *pasid_state)
 	/* Make sure no more pending faults are in the queue */
 	flush_workqueue(iommu_wq);
 
-	mmu_notifier_unregister(&pasid_state->mn, pasid_state->mm);
-
 	put_pasid_state(pasid_state); /* Reference taken in bind() function */
 }
 
-- 
1.7.9.5


--
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ