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From: Rusty Russell <rusty@rustcorp.com.au>
To: Anthony Liguori <aliguori@us.ibm.com>
Cc: Chris Wright <chrisw@sous-sol.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH] virtio_balloon: fix towards_target when deflating balloon
Date: Tue, 19 Aug 2008 11:22:54 +1000	[thread overview]
Message-ID: <200808191122.54845.rusty@rustcorp.com.au> (raw)
In-Reply-To: <1219097731-1224-1-git-send-email-aliguori@us.ibm.com>

On Tuesday 19 August 2008 08:15:31 Anthony Liguori wrote:
> -	return v - vb->num_pages;
> +	if (v < vb->num_pages)
> +		return -(s64)(vb->num_pages - v);
> +	else
> +		return v - vb->num_pages;

With all due respect, WTF?

Did you mean:

	return (s64)v - vb->num_pages;

I'm really amazed this bug got this far though...
Rusty.

WARNING: multiple messages have this Message-ID (diff)
From: Rusty Russell <rusty@rustcorp.com.au>
To: Anthony Liguori <aliguori@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, Avi Kivity <avi@qumranet.com>,
	virtualization@lists.linux-foundation.org,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Chris Wright <chrisw@sous-sol.org>
Subject: Re: [PATCH] virtio_balloon: fix towards_target when deflating balloon
Date: Tue, 19 Aug 2008 11:22:54 +1000	[thread overview]
Message-ID: <200808191122.54845.rusty@rustcorp.com.au> (raw)
In-Reply-To: <1219097731-1224-1-git-send-email-aliguori@us.ibm.com>

On Tuesday 19 August 2008 08:15:31 Anthony Liguori wrote:
> -	return v - vb->num_pages;
> +	if (v < vb->num_pages)
> +		return -(s64)(vb->num_pages - v);
> +	else
> +		return v - vb->num_pages;

With all due respect, WTF?

Did you mean:

	return (s64)v - vb->num_pages;

I'm really amazed this bug got this far though...
Rusty.

  parent reply	other threads:[~2008-08-19  1:22 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-18 22:15 [PATCH] virtio_balloon: fix towards_target when deflating balloon Anthony Liguori
2008-08-19  0:42 ` Linus Torvalds
2008-08-19  0:42 ` Linus Torvalds
2008-08-19  1:09   ` Anthony Liguori
2008-08-19  1:09   ` Anthony Liguori
2008-08-19  4:17     ` Linus Torvalds
2008-08-19  4:17     ` Linus Torvalds
2008-08-19  1:22 ` Rusty Russell [this message]
2008-08-19  1:22   ` Rusty Russell
  -- strict thread matches above, loose matches on Subject: below --
2008-08-18 22:15 Anthony Liguori

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