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Date:	Thu, 10 Jul 2014 15:58:28 -0700
From:	"H. Peter Anvin" <>
To:	Jan Beulich <>,,
CC:	Andy Lutomirski <>,
Subject: Re: [PATCH] ix86: fix vDSO build

On 07/03/2014 07:35 AM, Jan Beulich wrote:
> Relying on static functions used just once to get inlined (and
> subsequently have dead code paths eliminated) is wrong: Compilers are
> free to decide whether they do this, regardless of optimization level.
> With this not happening for vdso_addr() (observed with gcc 4.1.x), an
> unresolved reference to align_vdso_addr() causes the build to fail.

The fix seems odd... more of the flavor of "happens to work" unless I'm
misunderstanding something.  If this needs to be inlined, wouldn't
__always_inline make more sense?

What am I missing?


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