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From: Keir Fraser <keir@xensource.com>
To: Jan Beulich <jbeulich@novell.com>, xen-devel@lists.xensource.com
Cc: John Levon <levon@movementarian.org>
Subject: Re: [PATCH] fix build when CONFIG_COMPAT disabled
Date: Thu, 11 Jan 2007 15:47:25 +0000	[thread overview]
Message-ID: <C1CC0C8D.77B4%keir@xensource.com> (raw)
In-Reply-To: <45A668F1.76E4.0078.0@novell.com>




On 11/1/07 15:42, "Jan Beulich" <jbeulich@novell.com> wrote:

> Properly conditionalize two places where compat-only structure fields get
> accessed, and avoid compiler warnings on unused variables in two other
> places.

Should we bother to #ifdef where we don't need to? It's ugly and the
compiler should be able to remove dead code where a condition evaluates to
zero at compile time: we already have IS_COMPAT(d) hardcoded to zero if
!CONFIG_COMPAT, which is enough to give the compiler a fair chance.

 -- Keir

  reply	other threads:[~2007-01-11 15:47 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-11 15:42 [PATCH] fix build when CONFIG_COMPAT disabled Jan Beulich
2007-01-11 15:47 ` Keir Fraser [this message]
2007-01-11 16:17   ` John Levon
2007-01-11 16:31   ` Jan Beulich
2007-01-11 17:57     ` Keir Fraser
2007-01-12  0:10       ` John Levon
2007-01-12  7:49       ` Jan Beulich

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