From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>,
clang-built-linux@googlegroups.com,
Nick Desaulniers <ndesaulniers@google.com>,
Nathan Chancellor <natechancellor@gmail.com>,
linux-s390@vger.kernel.org, Vasily Gorbik <gor@linux.ibm.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Luc Van Oostenryck <luc.vanoostenryck@gmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/12] s390: remove -fno-strength-reduce flag
Date: Wed, 10 Apr 2019 17:57:25 +0200 [thread overview]
Message-ID: <20190410175725.23b7f051@mschwideX1> (raw)
In-Reply-To: <20190408212648.2407234-1-arnd@arndb.de>
On Mon, 8 Apr 2019 23:26:14 +0200
Arnd Bergmann <arnd@arndb.de> wrote:
> This was added as a workaround for really old compilers, and it prevents
> building with clang now. I can see no reason for keeping it, as it has
> already been removed for most architectures in the pre-git era, so
> let's remove it everywhere, rather than only for clang.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> arch/s390/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/s390/Makefile b/arch/s390/Makefile
> index 86c76b149cc2..0087d11e3eaf 100644
> --- a/arch/s390/Makefile
> +++ b/arch/s390/Makefile
> @@ -114,7 +114,7 @@ endif
> cfi := $(call as-instr,.cfi_startproc\n.cfi_val_offset 15$(comma)-160\n.cfi_endproc,-DCONFIG_AS_CFI_VAL_OFFSET=1)
>
> KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y)
> -KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare
> +KBUILD_CFLAGS += -pipe -Wno-sign-compare
> KBUILD_CFLAGS += -fno-asynchronous-unwind-tables $(cfi)
> KBUILD_AFLAGS += $(aflags-y) $(cfi)
> export KBUILD_AFLAGS_DECOMPRESSOR
Added to s390/linux:features for the next merge window. Thanks.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
prev parent reply other threads:[~2019-04-10 15:57 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-08 21:26 [PATCH 01/12] s390: remove -fno-strength-reduce flag Arnd Bergmann
2019-04-08 21:26 ` [PATCH 02/12] s390: don't build vdso32 with clang Arnd Bergmann
2019-04-10 15:57 ` Martin Schwidefsky
2019-04-10 16:26 ` Nick Desaulniers
2019-04-10 19:00 ` Arnd Bergmann
2019-04-08 21:26 ` [PATCH 03/12] s390: purgatory: pass --target option to clang Arnd Bergmann
2019-04-08 22:03 ` Nathan Chancellor
2019-04-09 6:43 ` Arnd Bergmann
2019-04-09 16:30 ` Nathan Chancellor
2019-04-09 18:11 ` Nick Desaulniers
2019-04-08 21:26 ` [PATCH 04/12] s390: qeth: address type mismatch warning Arnd Bergmann
2019-04-08 22:16 ` Nathan Chancellor
2019-04-09 6:44 ` Arnd Bergmann
2019-04-10 15:58 ` Martin Schwidefsky
2019-04-08 21:26 ` [PATCH 05/12] s390: zcrypt: initialize variables before_use Arnd Bergmann
2019-04-08 22:31 ` Nathan Chancellor
2019-04-09 9:54 ` Harald Freudenberger
2019-04-09 10:13 ` Arnd Bergmann
2019-04-10 15:59 ` Martin Schwidefsky
2019-04-10 18:57 ` Arnd Bergmann
2019-04-11 7:40 ` Martin Schwidefsky
2019-04-08 21:26 ` [PATCH 06/12] s390: ctcm: fix ctcm_new_device error return code Arnd Bergmann
2019-04-08 22:33 ` Nathan Chancellor
2019-04-10 16:00 ` Martin Schwidefsky
2019-04-08 21:26 ` [PATCH 07/12] s390: cio: fix cio_irb declaration Arnd Bergmann
2019-04-08 22:35 ` Nathan Chancellor
2019-04-09 13:13 ` Sebastian Ott
2019-04-08 21:26 ` [PATCH 08/12] s390: syscall_wrapper: avoid clang warning Arnd Bergmann
2019-04-10 16:00 ` Martin Schwidefsky
2019-04-08 21:26 ` [PATCH 09/12] s390: make __load_psw_mask work with clang Arnd Bergmann
2019-04-10 16:01 ` Martin Schwidefsky
2019-04-08 21:26 ` [PATCH 10/12] s390: avoid __builtin_return_address(n) on clang Arnd Bergmann
2019-04-10 16:03 ` Martin Schwidefsky
2019-04-10 16:14 ` Steven Rostedt
2019-04-10 19:07 ` Arnd Bergmann
2019-04-11 7:32 ` Martin Schwidefsky
2019-04-08 21:26 ` [PATCH 11/12] s390: make chkbss work with clang Arnd Bergmann
2019-04-10 16:02 ` Martin Schwidefsky
2019-04-08 21:26 ` [PATCH 12/12] [PROBABLY WRONG] s390: void '0' constraint in inline assembly Arnd Bergmann
2019-04-10 13:55 ` Martin Schwidefsky
2019-04-10 16:35 ` Nick Desaulniers
2019-04-10 18:55 ` Arnd Bergmann
2019-04-10 15:57 ` Martin Schwidefsky [this message]
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