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From: Ingo Molnar <mingo@kernel.org>
To: Andy Lutomirski <luto@kernel.org>
Cc: X86 ML <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
	Borislav Petkov <bp@alien8.de>,
	Dominik Brodowski <linux@dominikbrodowski.net>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH] x86/entry/64: Drop idtentry's manual stack switch for user entries
Date: Mon, 9 Apr 2018 18:29:10 +0200	[thread overview]
Message-ID: <20180409162910.macimdsmka5ecfmm@gmail.com> (raw)
In-Reply-To: <CALCETrX=B37UsduZRW2Qo_S28V=hFqTVeqHHnqKQpM+-sE=CnQ@mail.gmail.com>


* Andy Lutomirski <luto@kernel.org> wrote:

> On Tue, Apr 3, 2018 at 3:39 PM, Andy Lutomirski <luto@kernel.org> wrote:
> > For non-paranoid entries, idtentry knows how to switch from the
> > kernel stack to the user stack, as does error_entry.  This results
> > in pointless duplication and code bloat.  Make idtentry stop
> > thinking about stacks for non-paranoid entries.
> >
> > This reduces text size by 5377 bytes.
> >
> 
> Just a quick ping to make sure you all noticed this.

LOL, incidentally I have applied it a couple of minutes ago! :-)

Thanks

	Ingo

  reply	other threads:[~2018-04-09 16:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-03 22:39 [PATCH] x86/entry/64: Drop idtentry's manual stack switch for user entries Andy Lutomirski
2018-04-09 16:20 ` Andy Lutomirski
2018-04-09 16:29   ` Ingo Molnar [this message]
2018-04-09 17:11 ` [tip:x86/pti] " tip-bot for Andy Lutomirski

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