linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Ingo Molnar <mingo@kernel.org>
To: Borislav Petkov <bp@alien8.de>
Cc: x86-ml <x86@kernel.org>,
	linux-tip-commits@vger.kernel.org, linux-kernel@vger.kernel.org,
	dvlasenk@redhat.com, luto@kernel.org,
	torvalds@linux-foundation.org, jpoimboe@redhat.com,
	hpa@zytor.com, brgerst@gmail.com, linux@dominikbrodowski.net,
	peterz@infradead.org, tglx@linutronix.de
Subject: Re: [PATCH] x86/entry/64: Remove unused icebp macro
Date: Tue, 13 Feb 2018 08:36:21 +0100	[thread overview]
Message-ID: <20180213073621.shvpk6l4fgwxc34g@gmail.com> (raw)
In-Reply-To: <20180212201318.GD14640@pd.tnic>


* Borislav Petkov <bp@alien8.de> wrote:

> On Mon, Feb 12, 2018 at 02:18:55AM -0800, tip-bot for Dominik Brodowski wrote:
> > Commit-ID:  5a10e729bc0aa9420a23a70b169eadd229c27bc1
> > Gitweb:     https://git.kernel.org/tip/5a10e729bc0aa9420a23a70b169eadd229c27bc1
> > Author:     Dominik Brodowski <linux@dominikbrodowski.net>
> > AuthorDate: Sun, 11 Feb 2018 11:49:48 +0100
> > Committer:  Ingo Molnar <mingo@kernel.org>
> > CommitDate: Mon, 12 Feb 2018 08:06:37 +0100
> > 
> > x86/entry/64: Indent PUSH_AND_CLEAR_REGS and POP_REGS properly
> 
> Ontop:
> 
> ---
> From: Borislav Petkov <bp@suse.de>
> 
> That macro was touched around 2.5.8 times, judging by the full history
> linux repo, but it was unused even then. Get rid of it already.
> 
> Signed-off-by: Borislav Petkov <bp@suse.de>
> ---
>  arch/x86/entry/calling.h | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h
> index 6985440c68fa..dce7092ab24a 100644
> --- a/arch/x86/entry/calling.h
> +++ b/arch/x86/entry/calling.h
> @@ -159,10 +159,6 @@ For 32-bit we have the following conventions - kernel is built with
>  	.if \pop_rdi
>  	popq %rdi
>  	.endif
> -	.endm
> -
> -	.macro icebp
> -	.byte 0xf1
>  .endm

Good find!

I applied this separately, and added your SOB: let me know if that's not OK.

Thanks,

	Ingo

  reply	other threads:[~2018-02-13  7:36 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-11 10:49 [PATCH v3 0/7] x86/entry: simplify and unify SAVE/POP_REGS Dominik Brodowski
2018-02-11 10:49 ` [PATCH v3 1/7] x86/entry: merge SAVE_C_REGS and SAVE_EXTRA_REGS, remove unused extensions Dominik Brodowski
2018-02-12 10:15   ` [tip:x86/pti] x86/entry/64: Merge " tip-bot for Dominik Brodowski
2018-02-13  9:00   ` tip-bot for Dominik Brodowski
2018-02-11 10:49 ` [PATCH v3 2/7] x86/entry: merge POP_C_REGS and POP_EXTRA_REGS Dominik Brodowski
2018-02-12 10:16   ` [tip:x86/pti] x86/entry/64: Merge the POP_C_REGS and POP_EXTRA_REGS macros into a single POP_REGS macro tip-bot for Dominik Brodowski
2018-02-13  9:01   ` tip-bot for Dominik Brodowski
2018-02-11 10:49 ` [PATCH v3 3/7] x86/entry: interleave XOR register clearing with PUSH instructions Dominik Brodowski
2018-02-12 10:16   ` [tip:x86/pti] x86/entry/64: Interleave " tip-bot for Dominik Brodowski
2018-02-13  9:01   ` tip-bot for Dominik Brodowski
2018-02-11 10:49 ` [PATCH v3 4/7] x86/entry: introduce PUSH_AND_CLEAN_REGS Dominik Brodowski
2018-02-12 10:17   ` [tip:x86/pti] x86/entry/64: Introduce the PUSH_AND_CLEAN_REGS macro tip-bot for Dominik Brodowski
2018-02-12 13:29     ` Denys Vlasenko
2018-02-12 13:36       ` David Laight
2018-02-12 13:43         ` Denys Vlasenko
2018-02-12 16:51       ` Linus Torvalds
2018-02-13  9:01   ` tip-bot for Dominik Brodowski
2018-02-11 10:49 ` [PATCH v3 5/7] x86/entry: use PUSH_AND_CLEAN_REGS in more cases Dominik Brodowski
2018-02-12 10:17   ` [tip:x86/pti] x86/entry/64: Use " tip-bot for Dominik Brodowski
2018-02-13  9:02   ` tip-bot for Dominik Brodowski
2018-02-11 10:49 ` [PATCH v3 6/7] x86/entry: get rid of ALLOC_PT_GPREGS_ON_STACK and SAVE_AND_CLEAR_REGS Dominik Brodowski
2018-02-12 10:18   ` [tip:x86/pti] x86/entry/64: Get rid of the ALLOC_PT_GPREGS_ON_STACK and SAVE_AND_CLEAR_REGS macros tip-bot for Dominik Brodowski
2018-02-13  9:02   ` tip-bot for Dominik Brodowski
2018-02-11 10:49 ` [PATCH v3 7/7] x86/entry: indent PUSH_AND_CLEAR_REGS and POP_REGS properly Dominik Brodowski
2018-02-12 10:18   ` [tip:x86/pti] x86/entry/64: Indent " tip-bot for Dominik Brodowski
2018-02-12 20:13     ` [PATCH] x86/entry/64: Remove unused icebp macro Borislav Petkov
2018-02-13  7:36       ` Ingo Molnar [this message]
2018-02-13  9:04       ` [tip:x86/pti] x86/entry/64: Remove the unused 'icebp' macro tip-bot for Borislav Petkov
2018-02-13  9:03   ` [tip:x86/pti] x86/entry/64: Indent PUSH_AND_CLEAR_REGS and POP_REGS properly tip-bot for Dominik Brodowski
2018-02-11 10:49 ` [PATCH v3 8/7] TESTING_ONLY x86/entry: reduce static footprint of idtentry Dominik Brodowski
2018-02-12  9:37   ` Ingo Molnar
2018-02-12 19:17     ` Linus Torvalds
2018-02-13 12:41       ` Ingo Molnar

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=20180213073621.shvpk6l4fgwxc34g@gmail.com \
    --to=mingo@kernel.org \
    --cc=bp@alien8.de \
    --cc=brgerst@gmail.com \
    --cc=dvlasenk@redhat.com \
    --cc=hpa@zytor.com \
    --cc=jpoimboe@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tip-commits@vger.kernel.org \
    --cc=linux@dominikbrodowski.net \
    --cc=luto@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;
as well as URLs for NNTP newsgroup(s).