From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792962046; b=MhzrYQSH2jeWgwd/fqFdRh8yL6G7PqmkVX9y/3qaSRlPKv+MW4UXJjRScVgOdVXIisbC Hp4Siy2O4mvvX/y6LDHY2QwDF2TlOlG7EW+5gSoQLVadie81LXvqS4QjNQFJtkx4Hq0Jv 1vxRNXfQ0qonB/FzXIepvLpb7i8Rcr67wdSeWVnuTjCkvbje72c7294RA/C8qNTBSrGWy RU9vtHVTDNqCztUxhLUFihwRKiDhT5JkFbP4ViLblpNkQQTe8AgeMdwaNVOyY4RbjPbEg GkQvwEAjI/HfIWYEflgL7a+tD/1Xz6c7L52zO5nwvtOlSyPtz+TtyCgux0p9wf0wWhg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792962046; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=m3NtOvcBCMbA6Zc5m/TBtRq9kmoFMiGoQdHmr/dAtvE=; b=zS3eYh956NEYk0Ij635mhrEeMJYy+8bK6mzrHlx6R249y6nTnZoSE0D5dChhRIPoVdxC f6DbLc7oAe3vzBlHMJpNgVBC8VAAFOapRT4i8PQac3eQ8gCZFe/YvHg1xucXdn59cb/0e HwwTz10CFDWjA85D40Wb6bJsfRXiZVuX/OKywP4dJNHZWETav573/RujDncca84SM9Yy8 L/rw44zU5a3mIX+PQjTK9gEU8tmlGGNgVsJzK6tk6Sum4rkDpbvBvRQghtGZ3LhyPr5cN CU5ijRmDqIcSpRflD9Cnrd4imKsKaQaM39IaPrWLSxFADtvVgeiY1o0AUCVsNxe/SKA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Js3oeayX; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with UTF8SMTPS id 35BA4606A31A; Sun, 25 Oct 2026 21:00:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Js3oeayX Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id 499281F01828; Sun, 25 Oct 2026 21:00:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792962045; bh=m3NtOvcBCMbA6Zc5m/TBtRq9kmoFMiGoQdHmr/dAtvE=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Js3oeayXqDSPHIab9szvocd1/Bt7KBtOGK4uf6JAH+b47Yk6Q+4uouayEYIZ/jLgr IHMWnbqcVsTB0NP+Cqpma6fdTPzlk7eD6UtJg3NwWuyM9OtvpqdxHfRPNAHIN3PB32 3ac5nODi/5Ct2+fsG2llQrS7wulKxUC/IzISHOU15aGbznbp94IUaoLf3IQWrCbni2 tXz5ySDkPWfPdBpgeGQLHagWOBTfOeHMA9CN9jFppNJen8QdQqqOXoWT1zWoIbdRai lsNZUukRRMlMYeW8W/sHLq7k+LZFVJvaDdk2wJGuWejO0gcWYz909Ilcwda+DpWxRV Ss7YMnwD5M9GQ== Date: Sun, 25 Oct 2026 23:00:42 +0200 From: Jarkko Sakkinen To: Arun Menon Cc: linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org, Peter Huewe , Jason Gunthorpe Subject: Re: [PATCH v4 5/6] tpm: Increase TPM_BUFSIZE to 8kB for chunking support Message-ID: References: <20261025201859.221991-1-armenon@redhat.com> <20261025201859.221991-6-armenon@redhat.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sun, Oct 25, 2026 at 10:59:09PM +0200, Jarkko Sakkinen wrote: > On Mon, Oct 26, 2026 at 01:48:57AM +0530, Arun Menon wrote: > > From: Arun Menon > > > > The size of the command is checked against TPM_BUFSIZE early on before > > even sending it to the backend. We therefore need to increase the > > TPM_BUFSIZE to allow support for larger commands. > > > > For now, 8KB seems sufficient for ML-KEM and ML-DSA algorithms and it is > > also order-1 safe. > > > > Signed-off-by: Arun Menon > > In what timeline? Or is it out of spectrum timeline? "For now" part concerns me and I'm not educated enough on topic to know better. Br, Jarkko