public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Willy Tarreau <w@1wt.eu>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
	Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@alien8.de>,
	Brian Gerst <brgerst@gmail.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Kees Cook <keescook@chromium.org>
Subject: Re: [RFC PATCH v2 6/6] x86/entry/pti: don't switch PGD on when pti_disable is set
Date: Wed, 10 Jan 2018 08:23:07 +0100	[thread overview]
Message-ID: <20180110072307.GB14066@1wt.eu> (raw)
In-Reply-To: <20180110071510.nfice2pjtuylqirc@gmail.com>

On Wed, Jan 10, 2018 at 08:15:10AM +0100, Ingo Molnar wrote:
> > +	/* The "pti_disable" mm attribute is mirrored into this per-cpu var */
> > +	cmpb	$0, PER_CPU_VAR(pti_disable)
> > +	jne	.Lend_\@
> 
> Could you please do this small change for future iterations:
> 
> s/per-cpu
>  /per-CPU
> 
> ... to make the spelling more consistent with the rest of the code base?

Now done as well, thank you. Do not hesitate to send future cosmetic
changes directly to me so that we keep a max of participants mostly
focused on the design choices. (and don't worry, I'll pick them, I
really appreciate these as well).

Thanks,
Willy

  reply	other threads:[~2018-01-10  7:23 UTC|newest]

Thread overview: 104+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-09 12:56 [RFC PATCH v2 0/6] Per process PTI activation Willy Tarreau
2018-01-09 12:56 ` [RFC PATCH v2 1/6] x86/mm: add a pti_disable entry in mm_context_t Willy Tarreau
2018-01-09 12:56 ` [RFC PATCH v2 2/6] x86/arch_prctl: add ARCH_GET_NOPTI and ARCH_SET_NOPTI to enable/disable PTI Willy Tarreau
2018-01-09 14:17   ` Borislav Petkov
2018-01-09 14:36     ` Willy Tarreau
2018-01-09 14:51       ` Borislav Petkov
2018-01-09 14:54         ` Willy Tarreau
2018-01-09 21:26           ` Andy Lutomirski
2018-01-09 21:29             ` Borislav Petkov
2018-01-09 21:32               ` Willy Tarreau
2018-01-09 21:46                 ` Borislav Petkov
2018-01-09 22:06                   ` Willy Tarreau
2018-01-09 22:20                     ` Borislav Petkov
2018-01-09 22:29                       ` Dave Hansen
2018-01-09 22:40                       ` Willy Tarreau
2018-01-10 14:42                         ` Borislav Petkov
2018-01-10 15:39                           ` Willy Tarreau
2018-01-10 16:09                             ` Borislav Petkov
2018-01-10 16:19                               ` Willy Tarreau
2018-01-10 17:28                                 ` Borislav Petkov
2018-01-10  7:31                       ` Ingo Molnar
2018-01-10  7:37                         ` Willy Tarreau
2018-01-10  7:59                           ` Ingo Molnar
2018-01-09 23:53                     ` Andy Lutomirski
2018-01-10  4:25                       ` Willy Tarreau
2018-01-10  7:25               ` Ingo Molnar
2018-01-10 14:45                 ` Borislav Petkov
2018-01-10 15:43                   ` Willy Tarreau
2018-01-10 15:45                   ` Ingo Molnar
2018-01-09 21:34             ` Kees Cook
2018-01-09 21:41             ` Willy Tarreau
2018-01-09 21:50               ` Kees Cook
2018-01-09 22:03                 ` Willy Tarreau
2018-01-10  7:13             ` Ingo Molnar
2018-01-12 15:03   ` David Laight
2018-01-12 15:06     ` Willy Tarreau
2018-01-09 12:56 ` [RFC PATCH v2 3/6] x86/pti: add a per-cpu variable pti_disable Willy Tarreau
2018-01-10  7:19   ` Ingo Molnar
2018-01-10  7:29     ` Willy Tarreau
2018-01-10  8:01       ` Ingo Molnar
2018-01-10  8:50         ` Willy Tarreau
2018-01-10  8:59           ` Ingo Molnar
2018-01-10  9:00             ` Willy Tarreau
2018-01-09 12:56 ` [RFC PATCH v2 4/6] x86/pti: don't mark the user PGD with _PAGE_NX Willy Tarreau
2018-01-09 12:56 ` [RFC PATCH v2 5/6] x86/entry/pti: avoid setting CR3 when it's already correct Willy Tarreau
2018-01-10  7:16   ` Ingo Molnar
2018-01-10  7:18     ` Willy Tarreau
2018-01-10 20:29   ` Dave Hansen
2018-01-11  6:46     ` Willy Tarreau
2018-01-09 12:56 ` [RFC PATCH v2 6/6] x86/entry/pti: don't switch PGD on when pti_disable is set Willy Tarreau
2018-01-10  7:15   ` Ingo Molnar
2018-01-10  7:23     ` Willy Tarreau [this message]
2018-01-10  8:22   ` Peter Zijlstra
2018-01-10  9:11     ` Willy Tarreau
2018-01-10 19:21       ` Andy Lutomirski
2018-01-10 19:39         ` Willy Tarreau
2018-01-10 19:44           ` Andy Lutomirski
2018-01-10 19:50         ` Linus Torvalds
2018-01-10 20:04           ` Andy Lutomirski
2018-01-11  6:42           ` Willy Tarreau
2018-01-11 15:29             ` Dave Hansen
2018-01-11 15:44               ` Willy Tarreau
2018-01-11 15:51                 ` Dave Hansen
2018-01-11 17:02                   ` Andy Lutomirski
2018-01-11 18:21                     ` Alexei Starovoitov
2018-01-11 18:30                       ` Dave Hansen
2018-01-11 18:32                       ` Josh Poimboeuf
2018-01-11 18:36                         ` Linus Torvalds
2018-01-11 18:38                         ` Dave Hansen
2018-01-11 18:51                           ` Linus Torvalds
2018-01-11 18:57                             ` Dave Hansen
2018-01-11 19:05                               ` Josh Poimboeuf
2018-01-11 19:07                               ` Borislav Petkov
2018-01-11 19:17                                 ` Dave Hansen
2018-01-11 19:19                                   ` Olivier Galibert
2018-01-11 19:26                                     ` Josh Poimboeuf
2018-01-11 19:34                                       ` Alan Cox
2018-01-11 21:23                                         ` Willy Tarreau
2018-01-11 21:28                                           ` Linus Torvalds
2018-01-11 22:06                                             ` Willy Tarreau
2018-01-12 16:37                                               ` David Laight
2018-01-11 19:12                               ` Linus Torvalds
2018-01-11 19:38                               ` Alexei Starovoitov
2018-01-11 19:11                           ` Willy Tarreau
2018-01-11 20:00                     ` Dave Hansen
2018-01-11 17:09                 ` Andy Lutomirski
2018-01-11 17:40                   ` Willy Tarreau
2018-01-11 17:53                     ` Andy Lutomirski
2018-01-11 18:05                       ` Willy Tarreau
2018-01-11 18:15                         ` Dave Hansen
2018-01-11 18:31                           ` Linus Torvalds
2018-01-11 18:25                     ` Linus Torvalds
2018-01-11 18:26                       ` Linus Torvalds
2018-01-11 19:33                         ` Andy Lutomirski
2018-01-12 20:22                           ` Ingo Molnar
2018-01-12 21:18                             ` Andy Lutomirski
2018-01-12 21:54                               ` Willy Tarreau
2018-01-11 21:59                       ` Willy Tarreau
2018-01-12 16:27                       ` David Laight
2018-01-12 17:55                         ` Linus Torvalds
2018-01-12 19:36                           ` Willy Tarreau
2018-01-11 18:35                 ` Dave Hansen
2018-01-11 21:49                   ` Willy Tarreau
  -- strict thread matches above, loose matches on Subject: below --
2018-01-11 23:11 Alexey Dobriyan

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=20180110072307.GB14066@1wt.eu \
    --to=w@1wt.eu \
    --cc=bp@alien8.de \
    --cc=brgerst@gmail.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=hpa@zytor.com \
    --cc=jpoimboe@redhat.com \
    --cc=keescook@chromium.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luto@kernel.org \
    --cc=mingo@kernel.org \
    --cc=peterz@infradead.org \
    --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