Re: [PATCH 1/2] x86: Force asm-goto
From: Pavel Machek
Date: Thu Mar 22 2018 - 08:10:52 EST
On Tue 2018-03-20 16:50:36, Peter Zijlstra wrote:
> On Tue, Mar 20, 2018 at 09:45:54AM -0600, Jonathan Corbet wrote:
> > On Mon, 19 Mar 2018 16:41:25 +0100
> > Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> >
> > > A primary prerequisite for this is of course that the compiler
> > > supports asm-goto. This effecively lifts the minimum GCC version to
> > > build an x86 kernel to gcc-4.5.
> >
> > Given that, how about a patch to Documentation/Changes to reflect the new
> > reality? It's not in RST yet, so you should be able to go there without
> > ill effect :)
>
>
> That thing says:
>
> GCC
> ---
>
> The gcc version requirements may vary depending on the type of CPU in your
> computer. jon
>
> Which is still entirely accurate. And afaik the 3.2 minimum listed there
> still works for !x86.
Maybe accurate, but pretty user hostile :-(.
Pavel
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