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From: Rusty Russell <rusty@rustcorp.com.au>
To: Herbert Xu <herbert@gondor.apana.org.au>, Amos Kong <akong@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org, m@bues.ch,
	mpm@selenic.com, amit.shah@redhat.com
Subject: Re: [PATCH v2 4/6] hw_random: fix unregister race.
Date: Fri, 31 Oct 2014 10:28:00 +1030	[thread overview]
Message-ID: <87y4rx860n.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20141021141745.GA18511@gondor.apana.org.au>

Herbert Xu <herbert@gondor.apana.org.au> writes:
> On Thu, Sep 18, 2014 at 08:37:45PM +0800, Amos Kong wrote:
>> From: Rusty Russell <rusty@rustcorp.com.au>
>> 
>> The previous patch added one potential problem: we can still be
>> reading from a hwrng when it's unregistered.  Add a wait for zero
>> in the hwrng_unregister path.
>> 
>> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
>
> You totally corrupted Rusty's patch.  If you're going to repost
> his series you better make sure that you've got the right patches.
>
> Just as well though as it made me think a little more about this
> patch :)

OK Amos, can you please repost the complete series?

Thanks,
Rusty.

WARNING: multiple messages have this Message-ID (diff)
From: Rusty Russell <rusty@rustcorp.com.au>
To: Herbert Xu <herbert@gondor.apana.org.au>, Amos Kong <akong@redhat.com>
Cc: virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
	m@bues.ch, mpm@selenic.com, amit.shah@redhat.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/6] hw_random: fix unregister race.
Date: Fri, 31 Oct 2014 10:28:00 +1030	[thread overview]
Message-ID: <87y4rx860n.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20141021141745.GA18511@gondor.apana.org.au>

Herbert Xu <herbert@gondor.apana.org.au> writes:
> On Thu, Sep 18, 2014 at 08:37:45PM +0800, Amos Kong wrote:
>> From: Rusty Russell <rusty@rustcorp.com.au>
>> 
>> The previous patch added one potential problem: we can still be
>> reading from a hwrng when it's unregistered.  Add a wait for zero
>> in the hwrng_unregister path.
>> 
>> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
>
> You totally corrupted Rusty's patch.  If you're going to repost
> his series you better make sure that you've got the right patches.
>
> Just as well though as it made me think a little more about this
> patch :)

OK Amos, can you please repost the complete series?

Thanks,
Rusty.

  reply	other threads:[~2014-10-30 23:58 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-18 12:37 [PATCH v2 0/6] fix hw_random stuck Amos Kong
2014-09-18 12:37 ` Amos Kong
2014-09-18 12:37 ` [PATCH v2 1/6] hw_random: place mutex around read functions and buffers Amos Kong
2014-09-18 12:37   ` Amos Kong
2014-09-18 12:37 ` [PATCH v2 2/6] hw_random: move some code out mutex_lock for avoiding underlying deadlock Amos Kong
2014-09-18 12:37   ` Amos Kong
2014-09-18 12:37 ` [PATCH v2 3/6] hw_random: use reference counts on each struct hwrng Amos Kong
2014-09-18 17:08   ` Amos Kong
2014-10-20  0:12     ` Rusty Russell
2014-10-20  0:12     ` Rusty Russell
2014-10-20  3:58       ` Amos Kong
2014-10-20  3:58         ` Amos Kong
2014-10-20  0:08   ` Rusty Russell
2014-10-20  0:08     ` Rusty Russell
2014-09-18 12:37 ` Amos Kong
2014-09-18 12:37 ` [PATCH v2 4/6] hw_random: fix unregister race Amos Kong
2014-09-18 12:37   ` Amos Kong
2014-10-21 14:17   ` Herbert Xu
2014-10-21 14:17     ` Herbert Xu
2014-10-30 23:58     ` Rusty Russell [this message]
2014-10-30 23:58       ` Rusty Russell
2014-10-31  7:23       ` Herbert Xu
2014-10-31  7:23         ` Herbert Xu
2014-11-02 15:06         ` Amos Kong
2014-11-02 15:06           ` Amos Kong
2014-11-02 15:08           ` Herbert Xu
2014-11-02 15:08             ` Herbert Xu
2014-11-02 15:14             ` Amos Kong
2014-11-02 15:14               ` Amos Kong
2014-09-18 12:37 ` [PATCH v2 5/6] hw_random: don't double-check old_rng Amos Kong
2014-09-18 12:37   ` Amos Kong
2014-09-18 12:37 ` [PATCH v2 6/6] hw_random: don't init list element we're about to add to list Amos Kong
2014-09-18 12:37 ` Amos Kong

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