From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: <catalin.marinas@arm.com>, <will@kernel.org>,
<akpm@linux-foundation.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Cc: <linux-mm@kvack.org>, <hch@infradead.org>, <arnd@arndb.de>,
<anshuman.khandual@arm.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH v4 0/2] arm64: Fix kcsan test_barrier fail and panic
Date: Mon, 23 May 2022 19:26:39 +0800 [thread overview]
Message-ID: <20220523112641.170060-1-wangkefeng.wang@huawei.com> (raw)
Fix selftest and kcsan_test() module fail when KCSAN_STRICT
and KCSAN_WEAK_MEMORY enabled on ARM64.
v4:
- Use 2 spaces after a sentence-ending '.', suggested by Marco
- Collect Ack/Review
v3:
- update dma_mb()'s description and add the generic definition,
also asm-generic change is moved into patch1, suggested by Marco.
v2:
- Add documents about dma_mb(), suggested by Mike and Will.
- drop Fixes tag and update changlog, suggested by Mike.
Kefeng Wang (2):
asm-generic: Add memory barrier dma_mb()
arm64: kcsan: Support detecting more missing memory barriers
Documentation/memory-barriers.txt | 11 ++++++-----
arch/arm64/include/asm/barrier.h | 12 ++++++------
include/asm-generic/barrier.h | 8 ++++++++
3 files changed, 20 insertions(+), 11 deletions(-)
--
2.35.3
next reply other threads:[~2022-05-23 11:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-23 11:26 Kefeng Wang [this message]
2022-05-23 11:19 ` [PATCH v4 0/2] arm64: Fix kcsan test_barrier fail and panic Kefeng Wang
2022-05-23 11:26 ` [PATCH v4 1/2] asm-generic: Add memory barrier dma_mb() Kefeng Wang
2022-05-23 11:26 ` [PATCH v4 2/2] arm64: kcsan: Support detecting more missing memory barriers Kefeng Wang
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