Re: [PATCH v8 30/43] arm64: kasan: Allow enabling in-kernel MTE

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On 11/5/20 12:14 PM, Andrey Konovalov wrote:
> On Thu, Nov 5, 2020 at 12:39 PM Vincenzo Frascino
> <vincenzo.frascino@xxxxxxx> wrote:
>>
>> On 11/5/20 11:35 AM, Andrey Konovalov wrote:
>>> This will work. Any preference on the name of this function?
>>>
>>
>> I called it in my current iteration mte_enable(), and calling it from
>> cpu_enable_mte().
>>
>>> Alternatively we can rename mte_init_tags() to something else and let
>>> it handle both RRND and sync/async.
>>
>> This is an option but then you need to change the name of kasan_init_tags and
>> the init_tags indirection name as well. I would go for the simpler and just
>> splitting the function as per above.
>>
>> What do you think?
> 
> OK, let's split. mte_enable() as a name sounds good to me. Both
> functions will still be called one right after another from
> kasan_init_hw_tags (as it's now called) though. I think the name
> works, as it means initializing the hw_tags mode, not just the tags.
> 

I agree. When you finish with v9, could you please provide a tree with both the
sets on top similar to [1]? I would like to repeat the tests (ltp + kselftests)
and even to rebase my async code on top of it since we are aligning with the
development.

[1] https://github.com/xairy/linux/tree/up-boot-mte-v1

> Will do in v9.
> 

-- 
Regards,
Vincenzo




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