linux-kernel - Re: [PATCH 2/3] tpm: reduce poll sleep time between send() and recv() in tpm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20180301092222.GC29420@linux.intel.com>
Date:   Thu, 1 Mar 2018 11:22:45 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Nayna Jain <nayna@...ux.vnet.ibm.com>
Cc:     linux-integrity@...r.kernel.org, zohar@...ux.vnet.ibm.com,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, peterhuewe@....de,
        tpmdd@...horst.net, jgunthorpe@...idianresearch.com,
        patrickc@...ibm.com
Subject: Re: [PATCH 2/3] tpm: reduce poll sleep time between send() and
 recv() in tpm_transmit()

On Wed, Feb 28, 2018 at 02:18:27PM -0500, Nayna Jain wrote:
> In tpm_transmit, after send(), the code checks for status in a loop

Maybe cutting hairs now but please just use the actual function name
instead of send(). Just makes the commit log more useful asset.

> -		tpm_msleep(TPM_TIMEOUT);
> +		tpm_msleep(TPM_TIMEOUT_POLL);

What about just calling schedule()?

/Jarkko