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From: Jonathan Corbet <corbet@lwn.net>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@kernel.org, tglx@linutronix.de,
	linux-kernel@vger.kernel.org, torvalds@linux-foundation.org
Subject: Re: [PATCH 1/2] x86: Force asm-goto
Date: Tue, 20 Mar 2018 12:44:45 -0600	[thread overview]
Message-ID: <20180320124445.3bb1da1c@lwn.net> (raw)
In-Reply-To: <20180320155036.GU4043@hirez.programming.kicks-ass.net>

On Tue, 20 Mar 2018 16:50:36 +0100
Peter Zijlstra <peterz@infradead.org> wrote:

> > 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.

Well, other recent discussions established that nothing earlier than 4.1
has been observed to work anywhere for some time.

I guess what we really need is a little table of architecture-specific
minimum GCC versions so that our users actually know what's required.
I'll see if I can find a moment to pull that together at some point.

jon

  reply	other threads:[~2018-03-20 18:44 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-19 15:41 [PATCH 0/2] x86: Mandate asm-goto support Peter Zijlstra
2018-03-19 15:41 ` [PATCH 1/2] x86: Force asm-goto Peter Zijlstra
2018-03-19 19:57   ` Thomas Gleixner
2018-03-19 20:13     ` Peter Zijlstra
2018-03-20 10:00       ` [tip:x86/build] " tip-bot for Peter Zijlstra
2018-03-27 16:43       ` [PATCH 1/2] " Anders Roxell
2018-03-20 15:45   ` Jonathan Corbet
2018-03-20 15:50     ` Peter Zijlstra
2018-03-20 18:44       ` Jonathan Corbet [this message]
2018-03-22 12:10       ` Pavel Machek
2018-03-19 15:41 ` [PATCH 2/2] x86: Remove FAST_FEATURE_TESTS Peter Zijlstra
2018-03-20 10:01   ` [tip:x86/build] " tip-bot for Peter Zijlstra

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