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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 v7 22/38] s390/boot: Turn off KMSAN
Date: Fri, 21 Jun 2024 13:35:06 +0200	[thread overview]
Message-ID: <20240621113706.315500-23-iii@linux.ibm.com> (raw)
In-Reply-To: <20240621113706.315500-1-iii@linux.ibm.com>

All other sanitizers are disabled for boot as well. While at it, add a
comment explaining why we need this.

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
 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)
-- 
2.45.1



  parent reply	other threads:[~2024-06-21 11:38 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-21 11:34 [PATCH v7 00/38] kmsan: Enable on s390 Ilya Leoshkevich
2024-06-21 11:34 ` [PATCH v7 02/38] kmsan: Make the tests compatible with kmsan.panic=1 Ilya Leoshkevich
2024-06-21 11:34 ` [PATCH v7 04/38] kmsan: Increase the maximum store size to 4096 Ilya Leoshkevich
2024-06-21 11:34 ` [PATCH v7 05/38] kmsan: Fix is_bad_asm_addr() on arches with overlapping address spaces Ilya Leoshkevich
2024-06-21 11:34 ` [PATCH v7 07/38] kmsan: Remove a useless assignment from kmsan_vmap_pages_range_noflush() Ilya Leoshkevich
2024-06-21 11:34 ` [PATCH v7 08/38] kmsan: Remove an x86-specific #include from kmsan.h Ilya Leoshkevich
2024-06-21 11:34 ` [PATCH v7 09/38] kmsan: Expose kmsan_get_metadata() Ilya Leoshkevich
2024-06-21 11:34 ` [PATCH v7 11/38] kmsan: Allow disabling KMSAN checks for the current task Ilya Leoshkevich
2024-06-21 11:34 ` [PATCH v7 14/38] kmsan: Use ALIGN_DOWN() in kmsan_get_metadata() Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 16/38] kmsan: Expose KMSAN_WARN_ON() Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 17/38] mm: slub: Let KMSAN access metadata Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 18/38] mm: slub: Disable KMSAN when checking the padding bytes Ilya Leoshkevich
2024-06-24  7:34   ` Vlastimil Babka
2024-06-21 11:35 ` [PATCH v7 19/38] mm: kfence: Disable KMSAN when checking the canary Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 20/38] lib/zlib: Unpoison DFLTCC output buffers Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 21/38] kmsan: Accept ranges starting with 0 on s390 Ilya Leoshkevich
2024-06-21 11:35 ` Ilya Leoshkevich [this message]
2024-06-21 11:35 ` [PATCH v7 23/38] s390: Use a larger stack for KMSAN Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 24/38] s390/boot: Add the KMSAN runtime stub Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 25/38] s390/checksum: Add a KMSAN check Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 26/38] s390/cpacf: Unpoison the results of cpacf_trng() Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 27/38] s390/cpumf: Unpoison STCCTM output buffer Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 28/38] s390/diag: Unpoison diag224() " Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 31/38] s390/mm: Define KMSAN metadata for vmalloc and modules Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 32/38] s390/string: Add KMSAN support Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 33/38] s390/traps: Unpoison the kernel_stack_overflow()'s pt_regs Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 35/38] s390/uaccess: Add the missing linux/instrumented.h #include Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 36/38] s390/unwind: Disable KMSAN checks Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 37/38] s390/kmsan: Implement the architecture-specific functions Ilya Leoshkevich
2024-06-21 11:35 ` [PATCH v7 38/38] kmsan: Enable on s390 Ilya Leoshkevich
2024-06-21 17:55 ` [PATCH v7 00/38] " Andrew Morton

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