linux-kernel - [RFC PATCH 03/16] kfifo: Cleanup example to not use page

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]

Date:   Wed, 24 May 2017 15:42:14 -0600
From:   Logan Gunthorpe <logang@...tatee.com>
To:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-nvdimm@...ts.01.org, linux-nvme@...ts.infradead.org,
        linux-rdma@...r.kernel.org
Cc:     Christoph Hellwig <hch@....de>,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        Jens Axboe <axboe@...nel.dk>,
        Dan Williams <dan.j.williams@...el.com>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Matthew Wilcox <mawilcox@...rosoft.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ming Lei <ming.lei@...onical.com>,
        Johannes Berg <johannes.berg@...el.com>,
        Stephen Bates <sbates@...thlin.com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Keith Busch <keith.busch@...el.com>,
        Christian König <christian.koenig@....com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Jerome Glisse <jglisse@...hat.com>,
        Logan Gunthorpe <logang@...tatee.com>
Subject: [RFC PATCH 03/16] kfifo: Cleanup example to not use page_link

This is a layering violation so we replace the uses with calls to
sg_page(). This is a prep patch for replacing page_link and this
is one of the very few uses outside of scatterlist.h.

Signed-off-by: Logan Gunthorpe <logang@...tatee.com>
Signed-off-by: Stephen Bates <sbates@...thlin.com>
---
 samples/kfifo/dma-example.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/samples/kfifo/dma-example.c b/samples/kfifo/dma-example.c
index aa243db..be0d4a5 100644
--- a/samples/kfifo/dma-example.c
+++ b/samples/kfifo/dma-example.c
@@ -75,8 +75,8 @@ static int __init example_init(void)
 	for (i = 0; i < nents; i++) {
 		printk(KERN_INFO
 		"sg[%d] -> "
-		"page_link 0x%.8lx offset 0x%.8x length 0x%.8x\n",
-			i, sg[i].page_link, sg[i].offset, sg[i].length);
+		"page %p offset 0x%.8x length 0x%.8x\n",
+			i, sg_page(&sg[i]), sg[i].offset, sg[i].length);
 
 		if (sg_is_last(&sg[i]))
 			break;
@@ -104,8 +104,8 @@ static int __init example_init(void)
 	for (i = 0; i < nents; i++) {
 		printk(KERN_INFO
 		"sg[%d] -> "
-		"page_link 0x%.8lx offset 0x%.8x length 0x%.8x\n",
-			i, sg[i].page_link, sg[i].offset, sg[i].length);
+		"page %p offset 0x%.8x length 0x%.8x\n",
+			i, sg_page(&sg[i]), sg[i].offset, sg[i].length);
 
 		if (sg_is_last(&sg[i]))
 			break;
-- 
2.1.4