linux-kernel - [PATCH 5/5] swiotlb: remove GFP_DMA hack in swiotlb_alloc

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: <1220865014-1169-6-git-send-email-fujita.tomonori@lab.ntt.co.jp>
Date:	Mon,  8 Sep 2008 18:10:14 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...hat.com, joerg.roedel@....com, tony.luck@...el.com,
	linux-ia64@...r.kernel.org, iommu@...ts.linux-foundation.org,
	fujita.tomonori@....ntt.co.jp
Subject: [PATCH 5/5] swiotlb: remove GFP_DMA hack in swiotlb_alloc_coherent

The callers are supposed to set up the gfp flags appropriately.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
---
 lib/swiotlb.c |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 977edbd..3066ffe 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -467,13 +467,6 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
 	void *ret;
 	int order = get_order(size);
 
-	/*
-	 * XXX fix me: the DMA API should pass us an explicit DMA mask
-	 * instead, or use ZONE_DMA32 (ia64 overloads ZONE_DMA to be a ~32
-	 * bit range instead of a 16MB one).
-	 */
-	flags |= GFP_DMA;
-
 	ret = (void *)__get_free_pages(flags, order);
 	if (ret && address_needs_mapping(hwdev, virt_to_bus(ret))) {
 		/*
-- 
1.5.5.GIT

--
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/