linux-kernel - Re: [PATCH v3 0/2] PSP TEE driver update and bug fixes

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Message-ID: <8361ffb7-d4ad-1663-8b08-b0becf1835c1@amd.com>
Date:   Mon, 5 Apr 2021 12:10:00 +0530
From:   Rijo Thomas <Rijo-john.Thomas@....com>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     Tom Lendacky <thomas.lendacky@....com>,
        John Allen <john.allen@....com>,
        "David S . Miller" <davem@...emloft.net>,
        linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
        Mythri Pandeshwara krishna <mythri.pandeshwarakrishna@....com>,
        Devaraj Rangasamy <Devaraj.Rangasamy@....com>,
        Jens Wiklander <jens.wiklander@...aro.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>
Subject: Re: [PATCH v3 0/2] PSP TEE driver update and bug fixes



On 26/03/21 2:59 pm, Herbert Xu wrote:
> On Mon, Mar 15, 2021 at 01:55:27PM +0530, Rijo Thomas wrote:
>> The first patch helps to improve the response time by reducing the
>> polling time of the tee command status variable.
>>
>> Second patch is a bug fix to handle multi-threaded use-case.
>> During testing, race condition was seen due to missing synchronisation
>> in writes to the TEE ring buffer. This patch helps to resolve that.
>>
>> v3:
>>  * Fixed checkpatch.pl warning
>>
>> v2:
>>  * Updated copyright year as a part of code change
>>
>> Rijo Thomas (2):
>>   crypto: ccp - reduce tee command status polling interval from 5ms to
>>     1ms
>>   crypto: ccp - fix command queuing to TEE ring buffer
>>
>>  drivers/crypto/ccp/tee-dev.c | 57 ++++++++++++++++++++++++------------
>>  drivers/crypto/ccp/tee-dev.h | 20 +++++++++++--
>>  2 files changed, 57 insertions(+), 20 deletions(-)
> 
> All applied.  Thanks.
> 

Thanks for pulling in the changes.

Cheers,
Rijo