From: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
To: "Singh, Brijesh" <brijesh.singh@amd.com>
Cc: "stable@vger.kernel.org" <stable@vger.kernel.org>,
"Lendacky, Thomas" <Thomas.Lendacky@amd.com>
Subject: Re: Add timeout support for SEV commands
Date: Mon, 24 Sep 2018 13:01:40 +0200 [thread overview]
Message-ID: <20180924110140.GI16476@kroah.com> (raw)
In-Reply-To: <1537391336-3877-1-git-send-email-brijesh.singh@amd.com>
On Wed, Sep 19, 2018 at 09:09:09PM +0000, Singh, Brijesh wrote:
> Hi Greg,
>
> Several peoples have reported the hung-task detector complains
> about an uninterruptible sleep in ccp driver with recent BIOS updates
> on Ryzen systems. During debug we found that recent BIOS updates have
> wrongly advertised that it supports SEV feature when it does not. We
> have made driver a bit more robust against this firmware bug. The
> patch is accepted in Linus tree for this. Due to some offset changes
> (and code restructure) I was not able to use upstream patch as-is.
> Doing a separate patch for 4.18, 4.17 and 4.16. Please let me know if
> you have any questions.
4.17 and 4.16 are long end-of-life, nothing I can do there, sorry. But
I have queued up your 4.18.y backport, thanks for that.
greg k-h
prev parent reply other threads:[~2018-09-24 17:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-19 21:09 Add timeout support for SEV commands Singh, Brijesh
2018-09-19 21:09 ` [PATCH] crypto: ccp - add timeout support in the SEV command Singh, Brijesh
2018-09-19 21:09 ` Singh, Brijesh
2018-09-19 21:09 ` Singh, Brijesh
2018-09-24 11:01 ` gregkh [this message]
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