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From: Stuart Anderson <anderson@netsweng.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] fcntl64 fix
Date: Wed, 21 Mar 2007 09:49:51 -0400 (EDT)	[thread overview]
Message-ID: <Pine.LNX.4.64.0703210930590.12505@trantor.stuart.netsweng.com> (raw)
In-Reply-To: <20070320225957.GB32229@localhost.localdomain>

On Wed, 21 Mar 2007, Kirill A. Shutemov wrote:

> Primarily, I also thought that problem is in padding, because, without the
> patch F_GETLK, on 32-bit target recognises as F_GETLK64 on 64-bit host.
> It's happen because on 64-bit host and 32-bit target F_GETLK == F_GETLK64 ==
> TARGET_F_GETLK. So if you're using qemu-arm on 64-bit host and a target eabi
> program calls fcntl(fd,F_GETLK,...), target_eabi_flock64 will be used by
> mistake. Disabling padding can helps in some trivial cases to pass
> pseudo-correct args to fcntl. I guess this part of patch wrong.
>
> Stuart, am I right?

Yes, this is a good summary of the trap I initially fell into.


                                   Stuart

Stuart R. Anderson                               anderson@netsweng.com
Network & Software Engineering                   http://www.netsweng.com/
1024D/37A79149:                                  0791 D3B8 9A4C 2CDC A31F
                                                    BD03 0A62 E534 37A7 9149

  reply	other threads:[~2007-03-21 13:52 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-09 21:53 [Qemu-devel] [PATCH] fcntl64 fix Kirill A. Shutemov
2007-03-19 17:13 ` Thiemo Seufer
2007-03-19 17:48   ` Stuart Anderson
2007-03-20  6:46     ` Stuart Anderson
2007-03-20 11:43   ` Kirill A. Shutemov
     [not found]     ` <Pine.LNX.4.64.0703200954000.12505@trantor.stuart.netsweng.com>
2007-03-20 13:59       ` Kirill A. Shutemov
2007-03-20 16:54         ` Stuart Anderson
2007-03-20 17:11           ` Kirill A. Shutemov
2007-03-20 18:03             ` Stuart Anderson
2007-03-20 19:34               ` Kirill A. Shutemov
2007-03-20 20:26                 ` Stuart Anderson
2007-03-20 21:32                   ` Stuart Anderson
2007-03-20 21:40                     ` Paul Brook
2007-03-20 21:47                     ` Thiemo Seufer
2007-03-20 22:56                       ` Kirill A. Shutemov
2007-03-20 22:59                       ` Kirill A. Shutemov
2007-03-21 13:49                         ` Stuart Anderson [this message]
2007-03-20 23:05                       ` Stuart Anderson
2007-03-20 23:10                         ` Kirill A. Shutemov
2007-03-20 23:11                         ` Kirill A. Shutemov
2007-03-20 23:43                         ` Paul Brook
2007-03-21 13:50                           ` Stuart Anderson
2007-03-22 14:23     ` Kirill A. Shutemov
  -- strict thread matches above, loose matches on Subject: below --
2007-03-09 21:48 Kirill A. Shutemov

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