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: <20240222173942.1481394-3-pasha.tatashin@soleen.com>
Date: Thu, 22 Feb 2024 17:39:28 +0000
From: Pasha Tatashin <pasha.tatashin@...een.com>
To: akpm@...ux-foundation.org,
	alim.akhtar@...sung.com,
	alyssa@...enzweig.io,
	asahi@...ts.linux.dev,
	baolu.lu@...ux.intel.com,
	bhelgaas@...gle.com,
	cgroups@...r.kernel.org,
	corbet@....net,
	david@...hat.com,
	dwmw2@...radead.org,
	hannes@...xchg.org,
	heiko@...ech.de,
	iommu@...ts.linux.dev,
	jernej.skrabec@...il.com,
	jonathanh@...dia.com,
	joro@...tes.org,
	krzysztof.kozlowski@...aro.org,
	linux-doc@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	linux-rockchip@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	linux-sunxi@...ts.linux.dev,
	linux-tegra@...r.kernel.org,
	lizefan.x@...edance.com,
	marcan@...can.st,
	mhiramat@...nel.org,
	m.szyprowski@...sung.com,
	pasha.tatashin@...een.com,
	paulmck@...nel.org,
	rdunlap@...radead.org,
	robin.murphy@....com,
	samuel@...lland.org,
	suravee.suthikulpanit@....com,
	sven@...npeter.dev,
	thierry.reding@...il.com,
	tj@...nel.org,
	tomas.mudrunka@...il.com,
	vdumpa@...dia.com,
	wens@...e.org,
	will@...nel.org,
	yu-cheng.yu@...el.com,
	rientjes@...gle.com,
	bagasdotme@...il.com,
	mkoutny@...e.com
Subject: [PATCH v5 02/11] iommu/dma: use iommu_put_pages_list() to releae freelist

Free the IOMMU page tables via iommu_put_pages_list(). The page tables
were allocated via iommu_alloc_* functions in architecture specific
places, but are released in dma-iommu if the freelist is gathered during
map/unmap operations into iommu_iotlb_gather data structure.

Currently, only iommu/intel that does that.

Signed-off-by: Pasha Tatashin <pasha.tatashin@...een.com>
---
 drivers/iommu/dma-iommu.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 50ccc4f1ef81..fa0c4be79f9f 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -32,6 +32,7 @@
 #include <trace/events/swiotlb.h>
 
 #include "dma-iommu.h"
+#include "iommu-pages.h"
 
 struct iommu_dma_msi_page {
 	struct list_head	list;
@@ -156,7 +157,7 @@ static void fq_ring_free_locked(struct iommu_dma_cookie *cookie, struct iova_fq
 		if (fq->entries[idx].counter >= counter)
 			break;
 
-		put_pages_list(&fq->entries[idx].freelist);
+		iommu_put_pages_list(&fq->entries[idx].freelist);
 		free_iova_fast(&cookie->iovad,
 			       fq->entries[idx].iova_pfn,
 			       fq->entries[idx].pages);
@@ -254,7 +255,7 @@ static void iommu_dma_free_fq_single(struct iova_fq *fq)
 	int idx;
 
 	fq_ring_for_each(idx, fq)
-		put_pages_list(&fq->entries[idx].freelist);
+		iommu_put_pages_list(&fq->entries[idx].freelist);
 	vfree(fq);
 }
 
@@ -267,7 +268,7 @@ static void iommu_dma_free_fq_percpu(struct iova_fq __percpu *percpu_fq)
 		struct iova_fq *fq = per_cpu_ptr(percpu_fq, cpu);
 
 		fq_ring_for_each(idx, fq)
-			put_pages_list(&fq->entries[idx].freelist);
+			iommu_put_pages_list(&fq->entries[idx].freelist);
 	}
 
 	free_percpu(percpu_fq);
-- 
2.44.0.rc0.258.g7320e95886-goog


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ