mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: David Woodhouse <dwmw2@infradead.org>
To: Thomas Gleixner <tglx@linutronix.de>,
	Chandler Carruth <chandlerc@google.com>
Cc: karahmed@amazon.de, x86@kernel.org, kvm@vger.kernel.org,
	torvalds@linux-foundation.org, pbonzini@redhat.com,
	linux-kernel@vger.kernel.org, bp@alien8.de, peterz@infradead.org,
	jmattson@google.com, rkrcmar@redhat.com,
	arjan.van.de.ven@intel.com, dave.hansen@intel.com,
	mingo@kernel.org
Subject: Re: [PATCH v3 4/4] x86/retpoline: Support retpoline build with Clang
Date: Tue, 20 Feb 2018 08:45:51 +0000	[thread overview]
Message-ID: <1519116351.7876.104.camel@infradead.org> (raw)
In-Reply-To: <alpine.DEB.2.21.1802200935300.24268@nanos.tec.linutronix.de>

[-- Attachment #1: Type: text/plain, Size: 505 bytes --]

On Tue, 2018-02-20 at 09:36 +0100, Thomas Gleixner wrote:
> On Mon, 19 Feb 2018, David Woodhouse wrote:
> 
> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
> 
> > 
> > +/* Clang doesn't have a way to turn it off per-function, yet. */
>
> Is that going to happen in the foreseable future? Hmm, why am I asking,
> clang is going to break anyway once we require asm-gotos hard.

It's only minor optimisation so I told them there was no massive
urgency to get it implemented. Unlike asm-goto.

[-- Attachment #2: smime.p7s --]
[-- Type: application/x-pkcs7-signature, Size: 5213 bytes --]

  reply	other threads:[~2018-02-20  8:46 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-19 10:50 [PATCH v3 0/4] Speculation control improvements David Woodhouse
2018-02-19 10:50 ` [PATCH v3 1/4] x86/speculation: Use IBRS if available before calling into firmware David Woodhouse
2018-02-20  7:44   ` Thomas Gleixner
2018-02-20 10:29   ` [tip:x86/pti] " tip-bot for David Woodhouse
2018-02-19 10:50 ` [PATCH v3 2/4] x86/speculation: Support "Enhanced IBRS" on future CPUs David Woodhouse
2018-02-20  8:31   ` Thomas Gleixner
2018-02-20  8:53     ` David Woodhouse
2018-02-20 10:37       ` Thomas Gleixner
2018-02-20 10:42         ` Thomas Gleixner
2018-02-20 11:22           ` David Woodhouse
2018-02-20 11:28             ` Paolo Bonzini
2018-02-26 19:55             ` Thomas Gleixner
2018-02-20 11:26   ` Paolo Bonzini
2018-02-19 10:50 ` [PATCH v3 3/4] Revert "x86/retpoline: Simplify vmexit_fill_RSB()" David Woodhouse
2018-02-20  8:35   ` Thomas Gleixner
2018-02-20 10:28   ` [tip:x86/pti] " tip-bot for David Woodhouse
2018-02-19 10:50 ` [PATCH v3 4/4] x86/retpoline: Support retpoline build with Clang David Woodhouse
2018-02-20  8:36   ` Thomas Gleixner
2018-02-20  8:45     ` David Woodhouse [this message]
2018-02-20 10:29   ` [tip:x86/pti] x86/retpoline: Support retpoline builds " tip-bot for David Woodhouse

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1519116351.7876.104.camel@infradead.org \
    --to=dwmw2@infradead.org \
    --cc=arjan.van.de.ven@intel.com \
    --cc=bp@alien8.de \
    --cc=chandlerc@google.com \
    --cc=dave.hansen@intel.com \
    --cc=jmattson@google.com \
    --cc=karahmed@amazon.de \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@kernel.org \
    --cc=pbonzini@redhat.com \
    --cc=peterz@infradead.org \
    --cc=rkrcmar@redhat.com \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.org \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

Powered by JetHome