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From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
To: Nick Desaulniers <ndesaulniers@google.com>,
	Segher Boessenkool <segher@kernel.crashing.org>
Cc: Jakub Jelinek <jakub@redhat.com>,
	Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>,
	"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
	<x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
	"gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
	clang-built-linux <clang-built-linux@googlegroups.com>,
	Masahiro Yamada <yamada.masahiro@socionext.com>
Subject: Re: [PATCH v2 4/6] compiler-gcc.h: add asm_inline definition
Date: Fri, 13 Sep 2019 00:12:42 +0200	[thread overview]
Message-ID: <e4bf09bf-3aa7-aa7b-529b-f930dc75be4a@rasmusvillemoes.dk> (raw)
In-Reply-To: <CAKwvOdmhcaHpnqhMwzpYdjjwfAhgzq7fqA0Hu8b19E5w3AHz4w@mail.gmail.com>

On 12/09/2019 23.54, Nick Desaulniers wrote:
> On Sat, Sep 7, 2019 at 6:11 AM Segher Boessenkool
> <segher@kernel.crashing.org> wrote:
>>
>> On Fri, Sep 06, 2019 at 06:04:54PM -0700, Nick Desaulniers wrote:
>>
>>> How would you even write a version check for that?
>>
>> I wouldn't.  Please stop using that straw man.  I'm not saying version
>> checks are good, or useful for most things.  I am saying they are not.
> 
> Then please help Rasmus with a suggestion on how best to detect and
> safely make use of the feature you implemented.  As is, the patch in
> question is using version checks.

I was just about to send out an updated version. I'm just going to do
the check in Kconfig - I didn't realize how easy it had become to do
that kind of thing until Masahiro pointed me at his RFC patch from December.

Rasmus

  reply	other threads:[~2019-09-12 22:12 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-29  8:32 [RFC PATCH 0/5] make use of gcc 9's "asm inline()" Rasmus Villemoes
2019-08-29  8:32 ` [RFC PATCH 1/5] treewide: replace __inline__ by inline Rasmus Villemoes
2019-08-29 16:29   ` Joe Perches
2019-08-29  8:32 ` [RFC PATCH 2/5] compiler_types.h: don't #define __inline__ Rasmus Villemoes
2019-08-29  8:32 ` [RFC PATCH 3/5] compiler-gcc.h: add asm_inline definition Rasmus Villemoes
2019-08-29  8:32 ` [RFC PATCH 4/5] x86: alternative.h: use asm_inline for all alternative variants Rasmus Villemoes
2019-08-29  8:32 ` [RFC PATCH 5/5] x86: bug.h: use asm_inline in _BUG_FLAGS definitions Rasmus Villemoes
2019-08-29 16:05 ` [RFC PATCH 0/5] make use of gcc 9's "asm inline()" Linus Torvalds
2019-08-30  7:45   ` Rasmus Villemoes
2019-08-29 17:36 ` Nick Desaulniers
2019-08-29 18:15   ` Linus Torvalds
2019-08-29 18:26     ` Nadav Amit
2019-08-29 18:42     ` Borislav Petkov
2019-08-29 19:41   ` Masahiro Yamada
2019-08-30 23:15 ` [PATCH v2 0/6] " Rasmus Villemoes
2019-08-30 23:15   ` [PATCH v2 1/6] staging: rtl8723bs: replace __inline by inline Rasmus Villemoes
2019-09-04 23:54     ` Nick Desaulniers
2019-08-30 23:15   ` [PATCH v2 2/6] lib/zstd/mem.h: " Rasmus Villemoes
2019-09-04 23:59     ` Nick Desaulniers
2019-09-05  0:07       ` Miguel Ojeda
2019-09-05  9:28         ` Rasmus Villemoes
2019-08-30 23:15   ` [PATCH v2 3/6] compiler_types.h: don't #define __inline Rasmus Villemoes
2019-09-05  0:13     ` Nick Desaulniers
2019-09-05  9:45       ` Rasmus Villemoes
2019-08-30 23:15   ` [PATCH v2 4/6] compiler-gcc.h: add asm_inline definition Rasmus Villemoes
2019-09-05  0:18     ` Nick Desaulniers
2019-09-05  5:43       ` Nadav Amit
2019-09-05 11:07       ` Rasmus Villemoes
2019-09-05 13:45         ` Segher Boessenkool
2019-09-05 14:23           ` Rasmus Villemoes
2019-09-05 14:47             ` Segher Boessenkool
2019-09-05 15:52           ` Miguel Ojeda
2019-09-05 16:13             ` Miguel Ojeda
2019-09-06 12:23             ` Segher Boessenkool
2019-09-06 15:13               ` Miguel Ojeda
2019-09-06 16:30                 ` Segher Boessenkool
2019-09-06 16:39                   ` Jakub Jelinek
2019-09-06 18:14                     ` Nick Desaulniers
2019-09-06 22:03                       ` Segher Boessenkool
2019-09-06 22:35                         ` Nick Desaulniers
2019-09-06 22:56                           ` Segher Boessenkool
2019-09-06 23:42                             ` Nick Desaulniers
2019-09-07  0:14                               ` Segher Boessenkool
2019-09-07  1:04                                 ` Nick Desaulniers
2019-09-07 13:11                                   ` Segher Boessenkool
2019-09-08 13:55                                     ` Miguel Ojeda
2019-09-12 21:54                                     ` Nick Desaulniers
2019-09-12 22:12                                       ` Rasmus Villemoes [this message]
2019-09-20  0:50                                       ` Segher Boessenkool
2019-09-06 16:47                   ` Miguel Ojeda
2019-08-30 23:15   ` [PATCH v2 5/6] x86: alternative.h: use asm_inline for all alternative variants Rasmus Villemoes
2019-08-30 23:15   ` [PATCH v2 6/6] x86: bug.h: use asm_inline in _BUG_FLAGS definitions Rasmus Villemoes
2019-09-12 22:19   ` [PATCH v3 0/6] make use of gcc 9's "asm inline()" Rasmus Villemoes
2019-09-12 22:19     ` [PATCH v3 1/6] staging: rtl8723bs: replace __inline by inline Rasmus Villemoes
2019-09-29 10:40       ` Greg Kroah-Hartman
2019-09-12 22:19     ` [PATCH v3 2/6] lib/zstd/mem.h: " Rasmus Villemoes
2019-09-12 22:19     ` [PATCH v3 3/6] compiler_types.h: don't #define __inline Rasmus Villemoes
2019-09-12 22:19     ` [PATCH v3 4/6] compiler-types.h: add asm_inline definition Rasmus Villemoes
2019-09-12 22:19     ` [PATCH v3 5/6] x86: alternative.h: use asm_inline for all alternative variants Rasmus Villemoes
2019-09-13  5:41       ` Ingo Molnar
2019-09-12 22:19     ` [PATCH v3 6/6] x86: bug.h: use asm_inline in _BUG_FLAGS definitions Rasmus Villemoes
2019-09-13  5:42       ` Ingo Molnar
2019-09-12 22:30     ` [PATCH v3 0/6] make use of gcc 9's "asm inline()" Miguel Ojeda
2019-09-13  6:11       ` Rasmus Villemoes
2019-09-13 15:21         ` Greg Kroah-Hartman
2019-09-15 18:20           ` Miguel Ojeda

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