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From: David Howells <dhowells@redhat.com>
To: "Jarkko Sakkinen" <jarkko@kernel.org>
Cc: dhowells@redhat.com,
	"James Bottomley" <James.Bottomley@HansenPartnership.com>,
	"Herbert Xu" <herbert@gondor.apana.org.au>,
	linux-integrity@vger.kernel.org, keyrings@vger.kernel.org,
	Andreas.Fuchs@infineon.com,
	"James Prestwood" <prestwoj@gmail.com>,
	"David Woodhouse" <dwmw2@infradead.org>,
	"Eric Biggers" <ebiggers@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	"open list:CRYPTO API" <linux-crypto@vger.kernel.org>,
	"open list" <linux-kernel@vger.kernel.org>,
	"Peter Huewe" <peterhuewe@gmx.de>,
	"Jason Gunthorpe" <jgg@ziepe.ca>,
	"Mimi Zohar" <zohar@linux.ibm.com>,
	"Paul Moore" <paul@paul-moore.com>,
	"James Morris" <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	"open list:SECURITY SUBSYSTEM"
	<linux-security-module@vger.kernel.org>
Subject: Re: [PATCH v2 4/6] KEYS: trusted: Move tpm2_key_decode() to the TPM driver
Date: Tue, 21 May 2024 22:44:14 +0100	[thread overview]
Message-ID: <336755.1716327854@warthog.procyon.org.uk> (raw)
In-Reply-To: <D1FMVEJWGLEW.14QGHPAYPHQG1@kernel.org>

Jarkko Sakkinen <jarkko@kernel.org> wrote:

> On Tue May 21, 2024 at 9:18 PM EEST, James Bottomley wrote:
> ...
> You don't save a single byte of memory with any constant that dictates
> the size requirements for multiple modules in two disjoint subsystems.

I think James is just suggesting you replace your limit argument with a
constant not that you always allocate that amount of memory.  What the limit
should be, OTOH, is up for discussion, but PAGE_SIZE seems not unreasonable.

David


  reply	other threads:[~2024-05-21 21:44 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240521031645.17008-1-jarkko@kernel.org>
2024-05-21  3:16 ` [PATCH v2 2/6] lib: Expand asn1_encode_integer() to variable size integers Jarkko Sakkinen
2024-05-21  5:36   ` [EXTERNAL] " Bharat Bhushan
     [not found]     ` < <SN7PR18MB5314CFBD18B011F292809EBFE3EA2@SN7PR18MB5314.namprd18.prod.outlook.com>
2024-05-21  6:21       ` Jarkko Sakkinen
2024-05-21  3:16 ` [PATCH v2 4/6] KEYS: trusted: Move tpm2_key_decode() to the TPM driver Jarkko Sakkinen
2024-05-21 18:18   ` James Bottomley
2024-05-21 21:17     ` Jarkko Sakkinen
2024-05-21 21:44       ` David Howells [this message]
2024-05-21 21:59         ` James Bottomley
2024-05-21 22:45           ` Jarkko Sakkinen
2024-05-21 22:59             ` Jarkko Sakkinen
2024-05-21 22:42         ` Jarkko Sakkinen
2024-05-21  3:16 ` [PATCH v2 5/6] tpm: tpm2_key: Extend parser to TPM_LoadableKey Jarkko Sakkinen
2024-05-21  5:47   ` [EXTERNAL] " Bharat Bhushan
     [not found]     ` < <SN7PR18MB53140F4341BC441C1C11586EE3EA2@SN7PR18MB5314.namprd18.prod.outlook.com>
2024-05-21  7:13       ` Jarkko Sakkinen

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