Message ID | 20231213233605.661251-5-iii@linux.ibm.com (mailing list archive) |
---|---|
State | New |
Headers | show
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Wed, 13 Dec 2023 23:36:16 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 39C452004B; Wed, 13 Dec 2023 23:36:16 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C831E20040; Wed, 13 Dec 2023 23:36:14 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.70.156]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 13 Dec 2023 23:36:14 +0000 (GMT) From: Ilya Leoshkevich <iii@linux.ibm.com> To: Alexander Gordeev <agordeev@linux.ibm.com>, Alexander Potapenko <glider@google.com>, Andrew Morton <akpm@linux-foundation.org>, Christoph Lameter <cl@linux.com>, David Rientjes <rientjes@google.com>, Heiko Carstens <hca@linux.ibm.com>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Marco Elver <elver@google.com>, Masami Hiramatsu <mhiramat@kernel.org>, Pekka Enberg <penberg@kernel.org>, Steven Rostedt <rostedt@goodmis.org>, Vasily Gorbik <gor@linux.ibm.com>, Vlastimil Babka <vbabka@suse.cz> Cc: Christian Borntraeger <borntraeger@linux.ibm.com>, Dmitry Vyukov <dvyukov@google.com>, Hyeonggon Yoo <42.hyeyoo@gmail.com>, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Mark Rutland <mark.rutland@arm.com>, Roman Gushchin <roman.gushchin@linux.dev>, Sven Schnelle <svens@linux.ibm.com>, Ilya Leoshkevich <iii@linux.ibm.com> Subject: [PATCH v3 04/34] kmsan: Increase the maximum store size to 4096 Date: Thu, 14 Dec 2023 00:24:24 +0100 Message-ID: <20231213233605.661251-5-iii@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231213233605.661251-1-iii@linux.ibm.com> References: <20231213233605.661251-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: aeR8VIeI6zpfSNpYU8qb_ET1PqEGqPrH X-Proofpoint-ORIG-GUID: BZJZfRMG0A4xrbOt-5TYJWqmvO4PPHL4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-13_14,2023-12-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 spamscore=0 malwarescore=0 mlxlogscore=673 priorityscore=1501 impostorscore=0 adultscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2312130166 X-Rspamd-Queue-Id: 279E020013 X-Rspam-User: X-Stat-Signature: f6phex34f4mq39ftesft8gq77d35j6ym X-Rspamd-Server: rspam01 X-HE-Tag: 1702510588-969398 X-HE-Meta: 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 wOE5zxP5 YS4lR//v6LBdMiY/MkvOz5iF5nz51irL03d4VNvS7QODMMtZ2lnJaVgNiWsOotxAJXaipWYHFafJX8YoDS0rQVEf5lvzeqXZUfiQL8Wae8fUNdYz5Wu59d2QOVhgHh7Yp60A340+cAv/0gt/vc4TFYFIhqmOXA8Gc4T45/Nf9/oPJfTIL89HIfqF5TLGliCPwAUtxm6a8mj1SZjdK4aKzMssqls8XbVDNnBNirx8hZqwVbLk= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000006, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> List-Subscribe: <mailto:majordomo@kvack.org> List-Unsubscribe: <mailto:majordomo@kvack.org> |
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kmsan: Enable on s390
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expand
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diff --git a/mm/kmsan/instrumentation.c b/mm/kmsan/instrumentation.c index cc3907a9c33a..470b0b4afcc4 100644 --- a/mm/kmsan/instrumentation.c +++ b/mm/kmsan/instrumentation.c @@ -110,11 +110,10 @@ void __msan_instrument_asm_store(void *addr, uintptr_t size) ua_flags = user_access_save(); /* - * Most of the accesses are below 32 bytes. The two exceptions so far - * are clwb() (64 bytes) and FPU state (512 bytes). - * It's unlikely that the assembly will touch more than 512 bytes. + * Most of the accesses are below 32 bytes. The exceptions so far are + * clwb() (64 bytes), FPU state (512 bytes) and chsc() (4096 bytes). */ - if (size > 512) { + if (size > 4096) { WARN_ONCE(1, "assembly store size too big: %ld\n", size); size = 8; }