linux-kernel - Re: [patch 00/14] x86/apic: Implement single target IPI callback

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Date:	Thu, 5 Nov 2015 09:17:19 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
cc:	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>, Peter Anvin <hpa@...or.com>,
	Borislav Petkov <borislav.petkov@....com>,
	Peter Zijlstra <peterz@...radead.org>,
	Mike Travis <travis@....com>,
	Daniel J Blueman <daniel@...ascale.com>
Subject: Re: [patch 00/14] x86/apic: Implement single target IPI callback

On Wed, 4 Nov 2015, Linus Torvalds wrote:
> On Wed, Nov 4, 2015 at 2:56 PM, Thomas Gleixner <tglx@...utronix.de> wrote:
> >
> > Compiles and didn't explode when booting it, so it must be perfect :)
> 
> I have taught you well, young padawan.

The young padawan, who is a grumpy old grandpa today, learned that
from the old masters of SC/MP knights in the end of the 70s.

Back then compilers were mainly operated in brain and aided by
instruction cards, paper, pencils and rubber. It always compiled so
the only way to be sure was running it, which was an extra tedious
task on such beasts:

  http://www.computinghistory.org.uk/userdata/images/large/PRODPIC-4623.jpg

Sorry, I had to disillusion you on that.

      tglx
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