From: Greg KH <gregkh@suse.de>
To: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: linux-kernel@vger.kernel.org, devel@linuxdriverproject.org,
virtualization@lists.osdl.org, longli@microsoft.com,
Haiyang Zhang <haiyangz@microsoft.com>
Subject: Re: [PATCH 1/1] Staging: hv: util: Fix a bug in kvp implementation
Date: Tue, 4 Oct 2011 21:37:17 -0700 [thread overview]
Message-ID: <20111005043717.GA3918@suse.de> (raw)
In-Reply-To: <1317762002-4351-1-git-send-email-kys@microsoft.com>
On Tue, Oct 04, 2011 at 02:00:02PM -0700, K. Y. Srinivasan wrote:
> The host gurantees that there can be only one kvp transaction active
> against the guest. So, the transaction active state is needed only to
> protect against spurious user level calls. The current code had a race
> condition where the guest could prematurely return because the previous
> transaction state was not cleared - this state was being cleared after
> sending the response to the host and there was a window where the host
> could notify the guest of a new transaction before the transaction active
> state was properly set.
> Also deal with the case when the user mode component
> does not respond in a timely fashion correctly.
> I would like to thank Long Li <longli@microsoft.com>
> for identifying the problem.
So that would be a "Reported-by:" tag, we don't have a "Diagnosed-by" do
we?
And should this go to the older (i.e. stable) kernels as well?
thanks,
greg k-h
next prev parent reply other threads:[~2011-10-05 4:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-04 21:00 [PATCH 1/1] Staging: hv: util: Fix a bug in kvp implementation K. Y. Srinivasan
2011-10-05 4:37 ` Greg KH [this message]
2011-10-05 13:30 ` KY Srinivasan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20111005043717.GA3918@suse.de \
--to=gregkh@suse.de \
--cc=devel@linuxdriverproject.org \
--cc=haiyangz@microsoft.com \
--cc=kys@microsoft.com \
--cc=linux-kernel@vger.kernel.org \
--cc=longli@microsoft.com \
--cc=virtualization@lists.osdl.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox