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From: Anthony Liguori <anthony@codemonkey.ws>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Mark McLoughlin <markmc@redhat.com>, qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCH 1/3] x86: fix warning without CONFIG_KVM
Date: Thu, 13 Nov 2008 13:31:19 -0600	[thread overview]
Message-ID: <491C8087.7060302@codemonkey.ws> (raw)
In-Reply-To: <491C5F51.20205@siemens.com>

Jan Kiszka wrote:
> Isn't it cleaner to provide an empty static inline in the !CONFIG_KVM
> case? Not all compilers might be smart enough to optimize this function
> away.
>   

kvm_enabled() is (0) when !CONFIG_KVM so that's why this is a warning 
and not an error.  The function call disappears during linking from dead 
code elimination.  There is no routine overhead when !CONFIG_KVM.

Regards,

Anthony Liguori

> Jan
>
>   

  reply	other threads:[~2008-11-13 19:31 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-13 16:42 [Qemu-devel] [PATCH 1/3] x86: fix warning without CONFIG_KVM Mark McLoughlin
2008-11-13 16:42 ` [Qemu-devel] [PATCH 2/3] dyngen: fix some warnings about unused functions Mark McLoughlin
2008-11-13 16:42   ` [Qemu-devel] [PATCH 3/3] cris: fix a segfault if pflash drive not found Mark McLoughlin
2008-11-13 19:37     ` [Qemu-devel] " Anthony Liguori
2008-11-13 20:57       ` Edgar E. Iglesias
2008-11-13 17:10   ` [Qemu-devel] Re: [PATCH 2/3] dyngen: fix some warnings about unused functions Jan Kiszka
2008-11-13 19:39   ` Anthony Liguori
2008-11-14 15:25     ` Mark McLoughlin
2008-11-13 17:09 ` [Qemu-devel] Re: [PATCH 1/3] x86: fix warning without CONFIG_KVM Jan Kiszka
2008-11-13 19:31   ` Anthony Liguori [this message]
2008-11-14  3:22     ` Jamie Lokier
2008-11-13 19:38 ` Anthony Liguori

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