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From: Peter Zijlstra <peterz@infradead.org>
To: Jonathan Corbet <corbet@lwn.net>
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 16:50:36 +0100	[thread overview]
Message-ID: <20180320155036.GU4043@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20180320094554.2bc49dea@lwn.net>

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@infradead.org> 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.

  reply	other threads:[~2018-03-20 15:50 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 [this message]
2018-03-20 18:44       ` Jonathan Corbet
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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