linux-kernel - Re: [PATCH] crypto: ccp - Log when resetting PSP SEV state

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Message-ID: <YmErfyD9hc3wUMYE@gondor.apana.org.au>
Date:   Thu, 21 Apr 2022 18:01:35 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Peter Gonda <pgonda@...gle.com>
Cc:     linux-crypto@...r.kernel.org,
        Tom Lendacky <thomas.lendacky@....com>,
        Brijesh Singh <brijesh.singh@....com>,
        David Rientjes <rientjes@...gle.com>,
        John Allen <john.allen@....com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: ccp - Log when resetting PSP SEV state

On Wed, Apr 13, 2022 at 08:58:35AM -0700, Peter Gonda wrote:
> Currently when the PSP returns a SECURE_DATA_INVALID error on INIT or
> INIT_EX the driver retries the command once which should reset the PSP's
> state SEV related state, meaning the PSP will regenerate its keying
> material. This is logged with a dbg log but given this will change
> system state this should be logged at a higher priority and with more
> information.
> 
> Signed-off-by: Peter Gonda <pgonda@...gle.com>
> Cc: Tom Lendacky <thomas.lendacky@....com>
> Cc: Brijesh Singh <brijesh.singh@....com>
> Cc: David Rientjes <rientjes@...gle.com>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: John Allen <john.allen@....com>
> Cc: linux-crypto@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> ---
>  drivers/crypto/ccp/sev-dev.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt