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

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Date:   Mon, 23 May 2022 19:19:03 +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>
Subject: Re: [PATCH v4 0/2] arm64: Fix kcsan test_barrier fail and panic

Sorry for using wrong script with uncorrected maintainers, please ignore.

On 2022/5/23 19:26, Kefeng Wang wrote:
> 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(-)
>