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From: Peter Zijlstra <peterz@infradead.org>
To: Joe Perches <joe@perches.com>
Cc: Borislav Petkov <bp@alien8.de>,
	Segher Boessenkool <segher@kernel.crashing.org>,
	Ingo Molnar <mingo@kernel.org>,
	Richard Biener <rguenther@suse.de>, Michael Matz <matz@suse.de>,
	gcc@gcc.gnu.org, Nadav Amit <namit@vmware.com>,
	Ingo Molnar <mingo@redhat.com>,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	Alok Kataria <akataria@vmware.com>,
	Christopher Li <sparse@chrisli.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"H. Peter Anvin" <hpa@zytor.com>, Jan Beulich <JBeulich@suse.com>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Juergen Gross <jgross@suse.com>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	Kees Cook <keescook@chromium.org>,
	linux-sparse@vger.kernel.org,
	Philippe Ombredanne <pombredanne@nexb.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	virtualization@lists.linux-foundation.org,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Chris Zankel <chris@zankel.net>,
	Max Filippov <jcmvbkbc@gmail.com>,
	linux-xtensa@linux-xtensa.org,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: PROPOSAL: Extend inline asm syntax with size spec
Date: Thu, 1 Nov 2018 12:15:54 +0100	[thread overview]
Message-ID: <20181101111554.GC3178@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <02085d90af8a81b69cb38e0fdd6a018f151a58d8.camel@perches.com>

On Thu, Nov 01, 2018 at 02:20:40AM -0700, Joe Perches wrote:
> On Thu, 2018-11-01 at 10:01 +0100, Peter Zijlstra wrote:
> > On Wed, Oct 31, 2018 at 10:20:00PM -0700, Joe Perches wrote:
> > > On Wed, 2018-10-31 at 13:55 +0100, Peter Zijlstra wrote:
> > > > Anyway, with the below patch, I get:
> > > > 
> > > >    text    data     bss     dec     hex filename
> > > > 17385183        5064780 1953892 24403855        1745f8f defconfig-build/vmlinux
> > > > 17385678        5064780 1953892 24404350        174617e defconfig-build/vmlinux
> > > > 
> > > > Which shows we inline more (look for asm_volatile for the actual
> > > > changes).
> > > []
> > > >  scripts/checkpatch.pl                              |  8 ++---
> > > >  scripts/genksyms/keywords.c                        |  4 +--
> > > >  scripts/kernel-doc                                 |  4 +--
> > > 
> > > I believe these should be excluded from the conversions.
> > 
> > Probably, yes. It compiled, which was all I cared about :-)
> > 
> > BTW, if we do that conversion, we should upgrade the checkpatch warn to
> > an error I suppose.
> 
> More like remove altogether as __inline and __inline__
> will no longer be #defined

That's the point, therefore checkpatch should error when it sees them.
Otherwise we'll grow new instances, because it will compile just file.

  reply	other threads:[~2018-11-01 11:16 UTC|newest]

Thread overview: 116+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-03 21:30 [PATCH v9 00/10] x86: macrofying inline asm Nadav Amit
2018-10-03 21:30 ` [PATCH v9 01/10] xtensa: defining LINKER_SCRIPT for the linker script Nadav Amit
2018-10-04 10:00   ` [tip:x86/build] kbuild/arch/xtensa: Define " tip-bot for Nadav Amit
2018-10-03 21:30 ` [PATCH v9 02/10] Makefile: Prepare for using macros for inline asm Nadav Amit
2018-10-04 10:01   ` [tip:x86/build] kbuild/Makefile: Prepare for using macros in inline assembly code to work around asm() related GCC inlining bugs tip-bot for Nadav Amit
2018-11-06 18:57   ` [PATCH v9 02/10] Makefile: Prepare for using macros for inline asm Logan Gunthorpe
2018-11-06 19:18     ` Nadav Amit
2018-11-06 20:01       ` Logan Gunthorpe
2018-11-07 18:01         ` Nadav Amit
2018-11-07 18:53           ` Logan Gunthorpe
2018-11-07 18:56             ` Nadav Amit
2018-11-07 21:43               ` Logan Gunthorpe
2018-11-07 21:50                 ` hpa
2018-11-08  6:18                   ` Nadav Amit
2018-11-08 17:14                     ` Logan Gunthorpe
2018-11-08 19:54                       ` Nadav Amit
2018-11-08 20:00                         ` Logan Gunthorpe
2018-11-08 20:18                           ` Nadav Amit
2018-11-10 22:04                             ` Nadav Amit
2018-11-13  4:56                               ` Logan Gunthorpe
2018-10-03 21:30 ` [PATCH v9 03/10] x86: objtool: use asm macro for better compiler decisions Nadav Amit
2018-10-04 10:02   ` [tip:x86/build] x86/objtool: Use asm macros to work around GCC inlining bugs tip-bot for Nadav Amit
2018-10-03 21:30 ` [PATCH v9 04/10] x86: refcount: prevent gcc distortions Nadav Amit
2018-10-04  7:57   ` Ingo Molnar
2018-10-04  8:33     ` Ingo Molnar
2018-10-04  8:40       ` hpa
2018-10-04  8:56         ` Ingo Molnar
2018-10-04  8:56         ` Nadav Amit
2018-10-04  9:02           ` hpa
2018-10-04  9:16             ` Ingo Molnar
2018-10-04 19:33               ` H. Peter Anvin
2018-10-04 20:05                 ` Nadav Amit
2018-10-04 20:08                   ` H. Peter Anvin
2018-10-04 20:29                 ` Andy Lutomirski
2018-10-04 23:11                   ` H. Peter Anvin
2018-10-06  1:40                 ` Rasmus Villemoes
2018-10-04  9:12           ` Ingo Molnar
2018-10-04  9:17             ` hpa
2018-10-04  9:30             ` Nadav Amit
2018-10-04  9:45               ` Ingo Molnar
2018-10-04 10:23                 ` Nadav Amit
2018-10-05  9:31                   ` Ingo Molnar
2018-10-05 11:20                     ` Borislav Petkov
2018-10-05 12:52                       ` Ingo Molnar
2018-10-05 20:27                     ` [PATCH 0/3] Macrofying inline asm rebased Nadav Amit
2018-10-05 20:27                       ` [PATCH 1/3] x86/extable: Macrofy inline assembly code to work around GCC inlining bugs Nadav Amit
2018-10-06 14:42                         ` [tip:x86/build] " tip-bot for Nadav Amit
2018-10-05 20:27                       ` [PATCH 2/3] x86/cpufeature: " Nadav Amit
2018-10-06 14:43                         ` [tip:x86/build] " tip-bot for Nadav Amit
2018-10-05 20:27                       ` [PATCH 3/3] x86/jump-labels: " Nadav Amit
2018-10-06 14:44                         ` [tip:x86/build] " tip-bot for Nadav Amit
2018-10-08  2:17                     ` [PATCH v9 04/10] x86: refcount: prevent gcc distortions Nadav Amit
2018-10-04  8:40     ` Nadav Amit
2018-10-04  9:01       ` Ingo Molnar
2018-10-04 10:02   ` [tip:x86/build] x86/refcount: Work around GCC inlining bug tip-bot for Nadav Amit
2018-10-03 21:30 ` [PATCH v9 05/10] x86: alternatives: macrofy locks for better inlining Nadav Amit
2018-10-04 10:03   ` [tip:x86/build] x86/alternatives: Macrofy lock prefixes to work around GCC inlining bugs tip-bot for Nadav Amit
2018-10-03 21:30 ` [PATCH v9 06/10] x86: bug: prevent gcc distortions Nadav Amit
2018-10-04 10:03   ` [tip:x86/build] x86/bug: Macrofy the BUG table section handling, to work around GCC inlining bugs tip-bot for Nadav Amit
2018-10-03 21:30 ` [PATCH v9 07/10] x86: prevent inline distortion by paravirt ops Nadav Amit
2018-10-04 10:04   ` [tip:x86/build] x86/paravirt: Work around GCC inlining bugs when compiling " tip-bot for Nadav Amit
2018-10-03 21:30 ` [PATCH v9 08/10] x86: extable: use macros instead of inline assembly Nadav Amit
2018-10-03 21:30 ` [PATCH v9 09/10] x86: cpufeature: " Nadav Amit
2018-10-03 21:31 ` [PATCH v9 10/10] x86: jump-labels: " Nadav Amit
2018-10-07  9:18 ` PROPOSAL: Extend inline asm syntax with size spec Borislav Petkov
     [not found]   ` <20181007132228.GJ29268@gate.crashing.org>
2018-10-07 14:13     ` Borislav Petkov
2018-10-07 15:14       ` Segher Boessenkool
2018-10-08  5:58         ` Ingo Molnar
2018-10-08  7:53           ` Segher Boessenkool
2018-10-07 15:53     ` Michael Matz
2018-10-08  6:13       ` Ingo Molnar
2018-10-08  8:18         ` Segher Boessenkool
2018-10-08  7:31       ` Segher Boessenkool
2018-10-08  9:07         ` Richard Biener
2018-10-08 10:02           ` Segher Boessenkool
2018-10-09 14:53           ` Segher Boessenkool
2018-10-10  6:35             ` Ingo Molnar
2018-10-10  7:12             ` Richard Biener
2018-10-10  7:22               ` Ingo Molnar
2018-10-10  8:03                 ` Segher Boessenkool
2018-10-10  8:19                   ` Borislav Petkov
2018-10-10  8:35                     ` Richard Biener
2018-10-10 18:54                     ` Segher Boessenkool
2018-10-10 19:14                       ` Borislav Petkov
2018-10-13 19:33                         ` Borislav Petkov
2018-10-13 21:14                           ` Alexander Monakov
2018-10-13 21:30                             ` Borislav Petkov
2018-10-25 10:24                           ` Borislav Petkov
2018-10-31 12:55                           ` Peter Zijlstra
2018-10-31 13:11                             ` Peter Zijlstra
2018-10-31 16:31                             ` Segher Boessenkool
2018-11-01  5:20                             ` Joe Perches
2018-11-01  9:01                               ` Peter Zijlstra
2018-11-01  9:20                                 ` Joe Perches
2018-11-01 11:15                                   ` Peter Zijlstra [this message]
2018-12-27  4:47                             ` Masahiro Yamada
2018-10-10 10:29                   ` Richard Biener
2018-10-10  7:53               ` Segher Boessenkool
2018-10-10 16:31             ` Nadav Amit
2018-10-10 19:21               ` Segher Boessenkool
2018-10-11  7:04               ` Richard Biener
2018-11-29 11:46             ` Masahiro Yamada
2018-11-29 12:25               ` Segher Boessenkool
2018-11-30  9:06                 ` Boris Petkov
2018-11-30 13:16                   ` Segher Boessenkool
2018-12-10  8:16                     ` Masahiro Yamada
2018-11-29 13:07               ` Borislav Petkov
2018-11-29 13:09                 ` Richard Biener
2018-11-29 13:16                   ` Borislav Petkov
2018-11-29 13:24                     ` Richard Biener
2018-10-08 16:24       ` David Laight
2018-10-07 16:09   ` Nadav Amit
2018-10-07 16:46     ` Richard Biener
2018-10-07 19:06       ` Nadav Amit
2018-10-07 19:52         ` Jeff Law
2018-10-08  7:46         ` Richard Biener

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