From: Heiko Carstens <hca@linux.ibm.com>
To: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Jonas Paulsson <paulsson@linux.vnet.ibm.com>,
Ulrich Weigand <ulrich.weigand@de.ibm.com>,
Masahiro Yamada <masahiroy@kernel.org>,
Alexander Egorenkov <egorenar@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Andreas Krebbel <krebbel@linux.ibm.com>,
Nathan Chancellor <natechancellor@gmail.com>,
Nick Desaulniers <ndesaulniers@google.com>,
linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org
Subject: Re: [PATCH 2/8] s390/alternatives: remove padding generation code
Date: Wed, 11 May 2022 19:02:00 +0200 [thread overview]
Message-ID: <YnvsCPIXmCmzlDlX@osiris> (raw)
In-Reply-To: <20220511120532.2228616-3-hca@linux.ibm.com>
On Wed, May 11, 2022 at 02:05:26PM +0200, Heiko Carstens wrote:
> clang fails to handle ".if" statements in inline assembly which are heavily
> used in the alternatives code.
FWIW, I missed to add error message(s) to the changelog:
In file included from ./include/linux/spinlock.h:93:
./arch/s390/include/asm/spinlock.h:81:3: error: expected absolute expression
ALTERNATIVE("", ".insn rre,0xb2fa0000,7,0", 49) /* NIAI 7 */
^
./arch/s390/include/asm/alternative.h:118:2: note: expanded from macro 'ALTERNATIVE'
ALTINSTR_REPLACEMENT(altinstr, 1) \
^
./arch/s390/include/asm/alternative.h:113:2: note: expanded from macro 'ALTINSTR_REPLACEMENT'
INSTR_LEN_SANITY_CHECK(altinstr_len(num))
^
./arch/s390/include/asm/alternative.h:62:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK'
".if " len " > 254\n" \
^
<inline asm>:5:5: note: instantiated into assembly here
.if 6651b-6641b > 254
^
next prev parent reply other threads:[~2022-05-11 17:02 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-11 12:05 [PATCH 0/8] s390: allow to build with llvm's integrated assembler Heiko Carstens
2022-05-11 12:05 ` [PATCH 1/8] s390/alternatives: provide identical sized orginal/alternative sequences Heiko Carstens
2022-05-13 9:17 ` Vasily Gorbik
2022-05-11 12:05 ` [PATCH 2/8] s390/alternatives: remove padding generation code Heiko Carstens
2022-05-11 17:02 ` Heiko Carstens [this message]
2022-05-13 9:18 ` Vasily Gorbik
2022-05-11 12:05 ` [PATCH 3/8] s390/entry: shorten OUTSIDE macro Heiko Carstens
2022-05-12 15:59 ` kernel test robot
2022-05-12 16:20 ` kernel test robot
2022-05-12 17:21 ` Heiko Carstens
2022-05-12 18:00 ` Nick Desaulniers
2022-05-12 19:15 ` Heiko Carstens
2022-05-12 19:25 ` Nick Desaulniers
2022-05-13 12:29 ` Heiko Carstens
2022-05-11 12:05 ` [PATCH 4/8] s390/entry: workaround llvm's IAS limitations Heiko Carstens
2022-05-11 17:30 ` Nathan Chancellor
2022-05-12 17:24 ` Heiko Carstens
2022-05-12 19:06 ` Nathan Chancellor
2022-05-12 19:16 ` Heiko Carstens
2022-05-16 9:07 ` Alexander Gordeev
2022-05-16 10:19 ` Heiko Carstens
2022-05-16 10:42 ` Jonas Paulsson
2022-05-16 11:11 ` Alexander Gordeev
2022-05-16 14:05 ` Heiko Carstens
2022-05-11 12:05 ` [PATCH 5/8] s390/purgatory: " Heiko Carstens
2022-05-11 19:54 ` Nick Desaulniers
2022-05-12 17:26 ` Heiko Carstens
2022-05-12 17:25 ` Heiko Carstens
2022-05-11 12:05 ` [PATCH 6/8] s390/boot: workaround llvm IAS bug Heiko Carstens
2022-05-11 19:50 ` Nick Desaulniers
2022-05-11 12:05 ` [PATCH 7/8] s390/boot: do not emit debug info for assembly with llvm's IAS Heiko Carstens
2022-05-11 19:40 ` Nick Desaulniers
2022-05-12 17:30 ` Heiko Carstens
2022-05-11 12:05 ` [PATCH 8/8] scripts/min-tool-version.sh: raise minimum clang version to 14.0.0 for s390 Heiko Carstens
2022-05-11 19:27 ` Nick Desaulniers
2022-05-11 19:56 ` Nick Desaulniers
2022-05-12 19:06 ` Heiko Carstens
2022-05-11 19:48 ` [PATCH 0/8] s390: allow to build with llvm's integrated assembler Nick Desaulniers
2022-05-12 19:04 ` Heiko Carstens
2022-05-11 20:52 ` Nathan Chancellor
2022-05-12 19:03 ` Heiko Carstens
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=YnvsCPIXmCmzlDlX@osiris \
--to=hca@linux.ibm.com \
--cc=agordeev@linux.ibm.com \
--cc=egorenar@linux.ibm.com \
--cc=gor@linux.ibm.com \
--cc=krebbel@linux.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=masahiroy@kernel.org \
--cc=natechancellor@gmail.com \
--cc=ndesaulniers@google.com \
--cc=paulsson@linux.vnet.ibm.com \
--cc=svens@linux.ibm.com \
--cc=ulrich.weigand@de.ibm.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.