linux-kernel - [PATCH v4 0/2] arm64: Fix kcsan test

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Message-ID: <20220523112641.170060-1-wangkefeng.wang@huawei.com>
Date:   Mon, 23 May 2022 19:26:39 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     <catalin.marinas@....com>, <will@...nel.org>,
        <akpm@...ux-foundation.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <linux-mm@...ck.org>, <hch@...radead.org>, <arnd@...db.de>,
        <anshuman.khandual@....com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH v4 0/2] arm64: Fix kcsan test_barrier fail and panic

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