From: Herbert Xu <herbert@gondor.apana.org.au>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
intel-gfx@lists.freedesktop.org, linux-raid@vger.kernel.org,
linux-mmc@vger.kernel.org, linux-nvdimm@ml01.01.org,
linux-scsi@vger.kernel.org, open-iscsi@googlegroups.com,
megaraidlinux.pdl@broadcom.com, sparmaintainer@unisys.com,
devel@driverdev.osuosl.org, target-devel@vger.kernel.org,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
dm-devel@redhat.com, Christoph Hellwig <hch@lst.de>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
Jens Axboe <axboe@kernel.dk>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Dan Williams <dan.j.williams@intel.com>,
Ross Zwisler <ross.zwisler@linux.intel.com>,
Matthew Wilcox <mawilcox@microsoft.com>,
Sumit Semwal <sumit.semwal@linaro.org>,
Stephen Bates <sbates@raithlin.com>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH v2 07/21] crypto: shash, caam: Make use of the new sg_map helper function
Date: Sat, 29 Apr 2017 01:51:47 +0800 [thread overview]
Message-ID: <20170428175147.GA9596@gondor.apana.org.au> (raw)
In-Reply-To: <5a08708b-c3b8-41fe-96de-607a109eacbd@deltatee.com>
On Fri, Apr 28, 2017 at 10:53:45AM -0600, Logan Gunthorpe wrote:
>
>
> On 28/04/17 12:30 AM, Herbert Xu wrote:
> > You are right. Indeed the existing code looks buggy as they
> > don't take sg->offset into account when doing the kmap. Could
> > you send me some patches that fix these problems first so that
> > they can be easily backported?
>
> Ok, I think the only buggy one in crypto is hifn_795x. Shash and caam
> both do have the sg->offset accounted for. I'll send a patch for the
> buggy one shortly.
I think they're all buggy when sg->offset is greater than PAGE_SIZE.
Thanks,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2017-04-28 18:38 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-25 18:20 [PATCH v2 00/21] Introduce common scatterlist map function Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 01/21] scatterlist: Introduce sg_map helper functions Logan Gunthorpe
2017-04-26 7:44 ` Christoph Hellwig
2017-04-26 18:11 ` Logan Gunthorpe
2017-04-27 6:53 ` Christoph Hellwig
2017-04-27 15:27 ` Jason Gunthorpe
2017-04-27 15:57 ` Logan Gunthorpe
2017-04-27 15:44 ` Logan Gunthorpe
2017-04-27 20:13 ` Logan Gunthorpe
2017-04-26 8:59 ` Christian König
2017-04-26 23:30 ` Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 02/21] libiscsi: Add an internal error code Logan Gunthorpe
2017-04-26 7:48 ` Christoph Hellwig
2017-04-25 18:20 ` [PATCH v2 03/21] libiscsi: Make use of new the sg_map helper function Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 04/21] target: Make use of the new sg_map function at 16 call sites Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 05/21] drm/i915: Make use of the new sg_map helper function Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 06/21] crypto: hifn_795x: " Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 07/21] crypto: shash, caam: " Logan Gunthorpe
2017-04-27 3:56 ` Herbert Xu
2017-04-27 15:45 ` Logan Gunthorpe
2017-04-28 6:30 ` Herbert Xu
2017-04-28 16:53 ` Logan Gunthorpe
2017-04-28 17:51 ` Herbert Xu [this message]
2017-04-28 19:01 ` Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 08/21] dm-crypt: Make use of the new sg_map helper in 4 call sites Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 09/21] staging: unisys: visorbus: Make use of the new sg_map helper function Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 10/21] RDS: " Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 11/21] scsi: ipr, pmcraid, isci: Make use of the new sg_map helper Logan Gunthorpe
2017-04-25 18:20 ` [PATCH v2 12/21] scsi: hisi_sas, mvsas, gdth: Make use of the new sg_map helper function Logan Gunthorpe
2017-04-25 18:21 ` [PATCH v2 13/21] scsi: arcmsr, ips, megaraid: " Logan Gunthorpe
2017-04-25 18:21 ` [PATCH v2 14/21] scsi: libfc, csiostor: Change to sg_copy_buffer in two drivers Logan Gunthorpe
2017-04-25 18:21 ` [PATCH v2 15/21] xen-blkfront: Make use of the new sg_map helper function Logan Gunthorpe
2017-04-26 7:37 ` Roger Pau Monné
2017-04-27 20:19 ` Logan Gunthorpe
2017-04-27 20:53 ` Jason Gunthorpe
2017-04-27 21:53 ` Logan Gunthorpe
2017-04-27 22:11 ` Jason Gunthorpe
2017-04-27 23:03 ` Logan Gunthorpe
2017-04-27 23:20 ` Jason Gunthorpe
2017-04-27 23:29 ` Logan Gunthorpe
2017-04-25 18:21 ` [PATCH v2 16/21] mmc: sdhci: " Logan Gunthorpe
2017-04-25 18:21 ` [PATCH v2 17/21] mmc: spi: " Logan Gunthorpe
2017-04-25 18:21 ` [PATCH v2 18/21] mmc: tmio: " Logan Gunthorpe
2017-04-25 18:21 ` [PATCH v2 19/21] mmc: sdricoh_cs: " Logan Gunthorpe
2017-04-25 18:21 ` [PATCH v2 20/21] mmc: tifm_sd: " Logan Gunthorpe
2017-04-25 18:21 ` [PATCH v2 21/21] memstick: " Logan Gunthorpe
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