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Date: Fri, 28 Sep 2012 17:20:29 -0700
From: Josh Triplett <josh@joshtriplett.org>
To: Daniel Santos <daniel.santos@pobox.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Andi Kleen <ak@linux.intel.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
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        Pavel Pisa <pisa@cmp.felk.cvut.cz>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH 4/10] compiler-gcc{3,4}.h: Use GCC_VERSION macro
Message-ID: <20120929002029.GA13907@jtriplet-mobl1>
References: <1348874411-28288-1-git-send-email-daniel.santos@pobox.com>
 <1348874411-28288-5-git-send-email-daniel.santos@pobox.com>
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On Fri, Sep 28, 2012 at 06:20:05PM -0500, Daniel Santos wrote:
> --- a/include/linux/compiler-gcc4.h
> +++ b/include/linux/compiler-gcc4.h
> @@ -13,11 +13,11 @@
>  #define __must_check 		__attribute__((warn_unused_result))
>  #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
>  
> -#if __GNUC_MINOR__ > 0
> +#if GCC_VERSION >= 40102
>  # define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
>  #endif

You've changed the semantics of this one; if literally translated, this
should have become #if GCC_VERSION >= 40100.  If you intended to change
that, could you please document why?  And in any case, could you make
that semantic change in a separate commit from the switch to
GCC_VERSION?

- Josh Triplett