Re: [PATCH] Check compiler version, SMP and PREEMPT.

From: Daniel Jacobowitz (dan@debian.org)
Date: Mon Jan 13 2003 - 10:19:01 EST

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On Mon, Jan 13, 2003 at 04:13:19PM +1100, Rusty Russell wrote:
> Linus, please apply if you agree.
>
> Tridge reported getting burned by gcc 3.2 compiled (Debian) XFree
> modules not working on his gcc 2.95-compiled kernel. Interestingly,
> (as Tridge points out) modversions probably would not have caught the
> change in spinlock size, since the ioctl takes a void*, not a
> structure pointer...

> D: and compiler version (spinlocks change size on UP with gcc major,
> D: at least).

Why does this happen? It doesn't look like it should, but I only
skimmed the headers checking...

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer
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