From: Anthony Liguori <anthony@codemonkey.ws>
To: Stefan Weil <weil@mail.berlios.de>
Cc: Blue Swirl <blauwirbel@gmail.com>, TeLeMan <geleman@gmail.com>,
Anthony Liguori <aliguori@us.ibm.com>,
Jan Kiszka <jan.kiszka@web.de>,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PULL] slirp: Fix issues with -mms-bitfields
Date: Thu, 25 Aug 2011 09:23:10 -0500 [thread overview]
Message-ID: <4E565ACE.7030607@codemonkey.ws> (raw)
In-Reply-To: <4E565637.8030909@mail.berlios.de>
On 08/25/2011 09:03 AM, Stefan Weil wrote:
> As I wrote in my last mail, I compared all structs without and with
> -mms-bitfields
> using pahole and codiff. The result is in the appended codiff.log.
>
> About 17 structs changed because of -mms-bitfield. This attribute
> modifies not only
> structs with bitfield but also packed structs or structs with other
> attributes
> like TCGPool.
>
> Jan's patch fixed slirp bitfields. For the remaining cases, I also
> thought about
> removing -mms-bitfield or setting a pragma in qemu-common.h, but now I
> prefer a different solution: replace all __attribute__(packed),
> __attribute(__packed__)
> by QEMU_PACKED.
>
> QEMU_PACKED will be a macro defined in compiler.h which sets the attributes
> needed (also for w32 with -mms-bitfields).
That sounds like a good idea.
Regards,
Anthony Liguori
>
> Maybe I can send patches with the changes needed next weekend if
> everybody agrees
> to this solution.
>
> Cheers,
> Stefan
>
next prev parent reply other threads:[~2011-08-25 14:23 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-15 6:39 [Qemu-devel] [PULL] slirp: Fix issues with -mms-bitfields Jan Kiszka
2011-08-20 20:00 ` Stefan Weil
2011-08-23 10:49 ` TeLeMan
2011-08-24 9:11 ` Jan Kiszka
2011-08-25 1:14 ` TeLeMan
2011-08-25 11:04 ` Jan Kiszka
2011-08-25 12:02 ` TeLeMan
2011-08-25 12:38 ` Jan Kiszka
2011-08-25 13:02 ` Avi Kivity
2011-08-25 13:07 ` Anthony Liguori
2011-08-25 13:09 ` Jan Kiszka
2011-08-25 13:17 ` Avi Kivity
2011-08-25 13:15 ` Avi Kivity
2011-08-25 13:19 ` Jan Kiszka
2011-08-25 13:21 ` Avi Kivity
2011-08-25 13:06 ` Anthony Liguori
2011-08-25 13:13 ` Jan Kiszka
2011-08-25 13:22 ` Avi Kivity
2011-08-25 13:36 ` Peter Maydell
2011-08-25 13:39 ` Avi Kivity
2011-08-25 13:28 ` Anthony Liguori
2011-08-25 13:32 ` Jan Kiszka
2011-08-25 14:03 ` Stefan Weil
2011-08-25 14:23 ` Anthony Liguori [this message]
2011-08-25 17:15 ` Jan Kiszka
2011-08-21 19:49 ` Blue Swirl
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