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Re: gcc and the kernel
- From: Andi Kleen <andi at firstfloor dot org>
- To: "Brian O'Mahoney" <omb at bluewin dot ch>
- Cc: gcc at gcc dot gnu dot org, opensuse at opensuse dot org, gcc-help at gcc dot gnu dot org
- Date: Tue, 30 Dec 2008 09:33:09 +0100
- Subject: Re: gcc and the kernel
- References: <200812291522.31842.omb@bluewin.ch>
"Brian O'Mahoney" <omb@bluewin.ch> writes:
>
> Last, a word to the wise, compiler developers, are by nature fairly agressive
> but, unless you want to work on gcc itself, it is wise to stay a bit behind
> the bleeding edge, and, unless your systems are excellently backed up,
> ___DONT_BUILD_THE_KERNEL___ with and untested gcc. I mean a kernel you are
> going to try to run. For an example of why not see the 'ix68 string
> direction' fiasco noting that an interrupt can happen anywhere and that the
> CPU x flag is a non-deterministic (to the interrupt code) part of the
> interrupted context. Oh what fun!
This particular problem has nothing to do with the compiler that built the
kernel.
-Andi
--
ak@linux.intel.com