Re: KASAN vs. boot-time switching between 4- and 5-level paging

From: Andrey Ryabinin
Date: Mon Jul 24 2017 - 10:05:00 EST




On 07/24/2017 03:13 PM, Kirill A. Shutemov wrote:
> On Thu, Jul 13, 2017 at 05:19:22PM +0300, Andrey Ryabinin wrote:
>>>> https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git/commit/?h=la57/boot-switching/v2&id=13327fec85ffe95d9c8a3f57ba174bf5d5c1fb01
>>>>
>>>>> As for KASAN, I think it would be better just to make it work faster,
>>>>> the patch below demonstrates the idea.
>>>>
>>>> Okay, let me test this.
>>>
>>> The patch works for me.
>>>
>>> The problem is not exclusive to 5-level paging, so could you prepare and
>>> push proper patch upstream?
>>>
>>
>> Sure, will do
>
> Andrey, any follow up on this?
>

Sorry, I've been busy a bit. Will send patch shortly