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Open Source and information security mailing list archives
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Date: Sat, 5 Feb 2022 15:30:35 +1100 From: Herbert Xu <herbert@...dor.apana.org.au> To: Shijith Thotton <sthotton@...vell.com> Cc: Arnaud Ebalard <arno@...isbad.org>, Boris Brezillon <bbrezillon@...nel.org>, Srujana Challa <schalla@...vell.com>, linux-crypto@...r.kernel.org, jerinj@...vell.com, sgoutham@...vell.com, "David S. Miller" <davem@...emloft.net>, Linu Cherian <lcherian@...vell.com>, Geetha sowjanya <gakula@...vell.com>, hariprasad <hkelam@...vell.com>, Subbaraya Sundeep <sbhatta@...vell.com>, Jakub Kicinski <kuba@...nel.org>, Dan Carpenter <dan.carpenter@...cle.com>, Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>, open list <linux-kernel@...r.kernel.org>, "open list:MARVELL OCTEONTX2 RVU ADMIN FUNCTION DRIVER" <netdev@...r.kernel.org> Subject: Re: [PATCH] crypto: octeontx2: disable DMA black hole on an DMA fault On Tue, Jan 25, 2022 at 11:56:23PM +0530, Shijith Thotton wrote: > From: Srujana Challa <schalla@...vell.com> > > When CPT_AF_DIAG[FLT_DIS] = 0 and a CPT engine access to > LLC/DRAM encounters a fault/poison, a rare case may result > in unpredictable data being delivered to a CPT engine. > So, this patch adds code to set FLT_DIS as a workaround. > > Signed-off-by: Srujana Challa <schalla@...vell.com> > Signed-off-by: Shijith Thotton <sthotton@...vell.com> > --- > drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c | 13 +++++++++++++ > drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c | 1 + > 2 files changed, 14 insertions(+) Patch applied. Thanks. -- Email: Herbert Xu <herbert@...dor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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