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Message-ID: <a8f58b35-5fc5-110a-53b5-a08b1e8aee19@huawei.com>
Date:   Thu, 4 Nov 2021 20:38:38 +0800
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Subject: Re: [PATCH v2 0/3] ARM: Support KFENCE feature
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To:     "Russell King (Oracle)" <linux@armlinux.org.uk>
CC:     <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>,
        Alexander Potapenko <glider@google.com>,
        Marco Elver <elver@google.com>,
        Dmitry Vyukov <dvyukov@google.com>
References: <20211103133845.78528-1-wangkefeng.wang@huawei.com>
 <YYPOObm72VH2l/AT@shell.armlinux.org.uk>
From:   Kefeng Wang <wangkefeng.wang@huawei.com>
In-Reply-To: <YYPOObm72VH2l/AT@shell.armlinux.org.uk>
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On 2021/11/4 20:12, Russell King (Oracle) wrote:
> The ARM tree is closed; we're in the mainline merge window. Please
> resend after -rc1 is released.

Got it, will do.

> 
> On Wed, Nov 03, 2021 at 09:38:42PM +0800, Kefeng Wang wrote:
>> This patchset supports Kfence feature, tested the kfence_test on ARM QEMU
>> with or without ARM_LPAE and all passed.
>>
>> V2:
>> - drop patch4 in v1, which is used a new way to skip kfence test
>>    see commit c40c6e593bf9 ("kfence: test: fail fast if disabled at boot")
>> - fix some issue about NO MMU
>>    - drop useless set_memory_valid() under no mmu
>>    - fix implicit declaration of function ‘is_write_fault’ if no mmu
>> - make KFENCE depends on !XIP_KERNEL, no tested with xip
>>
>> v1:
>> https://lore.kernel.org/linux-arm-kernel/20210825092116.149975-1-wangkefeng.wang@huawei.com/
>>
>> Kefeng Wang (3):
>>    ARM: mm: Provide set_memory_valid()
>>    ARM: mm: Provide is_write_fault()
>>    ARM: Support KFENCE for ARM
>>
>>   arch/arm/Kconfig                  |  1 +
>>   arch/arm/include/asm/kfence.h     | 53 +++++++++++++++++++++++++++++++
>>   arch/arm/include/asm/set_memory.h |  1 +
>>   arch/arm/mm/fault.c               | 16 ++++++++--
>>   arch/arm/mm/pageattr.c            | 42 ++++++++++++++++++------
>>   5 files changed, 100 insertions(+), 13 deletions(-)
>>   create mode 100644 arch/arm/include/asm/kfence.h
>>
>> -- 
>> 2.26.2
>>
>>
>