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
next prev parent 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
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