From: Herbert Xu Subject: Re: [PATCH] crypto: fix nx-842 pSeries driver minimum buffer size Date: Thu, 4 Jun 2015 16:14:21 +0800 Message-ID: <20150604081421.GB23360@gondor.apana.org.au> References: <1433272930-5991-1-git-send-email-ddstreet@ieee.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "David S. Miller" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org To: Dan Streetman Return-path: Content-Disposition: inline In-Reply-To: <1433272930-5991-1-git-send-email-ddstreet@ieee.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org On Tue, Jun 02, 2015 at 03:22:10PM -0400, Dan Streetman wrote: > Reduce the nx-842 pSeries driver minimum buffer size from 128 to 8. > Also replace the single use of IO_BUFFER_ALIGN macro with the standard > and correct DDE_BUFFER_ALIGN. > > The hw sometimes rejects buffers that contain padding past the end of the > 8-byte aligned section where it sees the "end" marker. With the minimum > buffer size set too high, some highly compressed buffers were being padded > and the hw was incorrectly rejecting them; this sets the minimum correctly > so there will be no incorrect padding. > > Signed-off-by: Dan Streetman Applied. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt