From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from abb.hmeau.com (abb.hmeau.com [144.6.53.87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 054E8226160; Tue, 10 Dec 2024 05:48:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=144.6.53.87 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733809737; cv=none; b=mV9OXUAIhhmATTJVRyZDAQF8eAGhSr15Xm9UJi/1SUqonq5g5ur9rWVONk24hJNs+Viu0ZlVolGugnUY0uxuBeCAk5mPvYXb5rqLLeCgvt32MvRqRfA/y0MxE2aMY2tiTzdHRyJrlCtuPKSfuo78sy1s1CcQlchRaZeZjZwe/NE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733809737; c=relaxed/simple; bh=6B3lZ9bhRa/+q6VHtQH5Gc4XXUMpXqlSKgFori1WCjM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FWW89BHwqmmEjzC1SYMTT7+ZCd69EvawdVDZr26ZtALOdbmFh8X+wBdaI6jGqc+k/wXPINxmz21uLJ5C3mW6/5RT56ocgYEYMEZkBtUVVsIvuW2hpQiVwUZG4s/kcJBu9PDPtZmXRKQhXYf+9AE038bmgLqkES+1fJGFWbsZLIw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au; spf=pass smtp.mailfrom=gondor.apana.org.au; dkim=pass (2048-bit key) header.d=hmeau.com header.i=@hmeau.com header.b=JolYQIU5; arc=none smtp.client-ip=144.6.53.87 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=hmeau.com header.i=@hmeau.com header.b="JolYQIU5" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=hmeau.com; s=formenos; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=3GhPs9PiDKMSC1ncLVXLvSDCQB2BM9kc0mIj6LHDqsY=; b=JolYQIU5+3/Ofak9+yHEw/rfnw YYt3E7ukQPV0eZ8Ja6wmJR20UBXbLYXGxhxIx4nTsWu6XR2I4k2IeYax3BIWN0OM6WClNkheVUJtL rT7N2G0zaoVNgmhSARitJiMCj/co6mvZhLpnx2Uu3GkTd0JegvAMawJ9WALPPm1Qjcu+Mii+I+TTY p7yeM8xDIPDx2UnaLSb0EiIdCOSjQbXTOyCM14Am4r9VMu3MEiFw9k9srOdnK6VLk/sAOn7U7uS/W d7nC29yvIF5JoaFYknZgPqCMh4Ioejlr1GhVlm78FxAmANdlcnFaHQzqMNLT60DniPxGCG0IzcfAX N3DLJ8QA==; Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.96 #2 (Debian)) id 1tKsu3-000ODV-1g; Tue, 10 Dec 2024 13:48:45 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Tue, 10 Dec 2024 13:48:44 +0800 Date: Tue, 10 Dec 2024 13:48:44 +0800 From: Herbert Xu To: Gaurav Jain Cc: Ahmad Fatoum , Horia Geanta , Pankaj Gupta , "David S . Miller" , Silvano Di Ninno , Varun Sethi , Meenakshi Aggarwal , Sahil Malhotra , Nikolaus Voss , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Pengutronix Kernel Team Subject: Re: [PATCH v2] crypto: caam - use JobR's space to access page 0 regs Message-ID: References: <20241126064607.456633-1-gaurav.jain@nxp.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241126064607.456633-1-gaurav.jain@nxp.com> On Tue, Nov 26, 2024 at 12:16:07PM +0530, Gaurav Jain wrote: > On iMX8DXL/QM/QXP(SECO) & iMX8ULP(ELE) SoCs, access to controller > region(CAAM page 0) is not permitted from non secure world. > use JobR's register space to access page 0 registers. > > Fixes: 6a83830f649a ("crypto: caam - warn if blob_gen key is insecure") > Signed-off-by: Gaurav Jain > --- > > changes in v2 > Updated commit message with SoCs details on which CAAM page 0 is not > accessible from non secure world. > > drivers/crypto/caam/blob_gen.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Patch applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt