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Fri, 21 Jun 2024 11:37:21 +0000 (GMT) From: Ilya Leoshkevich To: Alexander Gordeev , Alexander Potapenko , Andrew Morton , Christoph Lameter , David Rientjes , Heiko Carstens , Joonsoo Kim , Marco Elver , Masami Hiramatsu , Pekka Enberg , Steven Rostedt , Vasily Gorbik , Vlastimil Babka Cc: Christian Borntraeger , Dmitry Vyukov , 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 , Roman Gushchin , Sven Schnelle , Ilya Leoshkevich Subject: [PATCH v7 22/38] s390/boot: Turn off KMSAN Date: Fri, 21 Jun 2024 13:35:06 +0200 Message-ID: <20240621113706.315500-23-iii@linux.ibm.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240621113706.315500-1-iii@linux.ibm.com> References: <20240621113706.315500-1-iii@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: TSC_PCcgL4u2brPpF6RMrVNuprYHxa8t X-Proofpoint-ORIG-GUID: SuT93WsKPhYGRA62ysZuVSH9DSmbhz4u X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-21_04,2024-06-21_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 clxscore=1015 suspectscore=0 bulkscore=0 mlxlogscore=752 spamscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 phishscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2406210084 All other sanitizers are disabled for boot as well. While at it, add a comment explaining why we need this. Reviewed-by: Alexander Gordeev Reviewed-by: Alexander Potapenko Signed-off-by: Ilya Leoshkevich --- arch/s390/boot/Makefile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile index 070c9b2e905f..526ed20b9d31 100644 --- a/arch/s390/boot/Makefile +++ b/arch/s390/boot/Makefile @@ -3,11 +3,13 @@ # Makefile for the linux s390-specific parts of the memory manager. # +# Tooling runtimes are unavailable and cannot be linked for early boot code KCOV_INSTRUMENT := n GCOV_PROFILE := n UBSAN_SANITIZE := n KASAN_SANITIZE := n KCSAN_SANITIZE := n +KMSAN_SANITIZE := n KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR)