linux-kernel - Re: [PATCH v2 3/3] arm64: entry: Convert to generic entry

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Date: Fri, 28 Jun 2024 11:20:32 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: Kees Cook <kees@...nel.org>
CC: <catalin.marinas@....com>, <will@...nel.org>, <oleg@...hat.com>,
	<tglx@...utronix.de>, <peterz@...radead.org>, <luto@...nel.org>,
	<wad@...omium.org>, <rostedt@...dmis.org>, <arnd@...db.de>,
	<ardb@...nel.org>, <broonie@...nel.org>, <mark.rutland@....com>,
	<rick.p.edgecombe@...el.com>, <leobras@...hat.com>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 3/3] arm64: entry: Convert to generic entry



On 2024/6/28 1:01, Kees Cook wrote:
> On Thu, Jun 27, 2024 at 04:12:09PM +0800, Jinjie Ruan wrote:
>> Tested ok with following test cases on Qemu cortex-a53 and HiSilicon
>> Kunpeng-920:
>>  - Run `perf top` command
>>  - Switch between different `dynamic preempt` mode
>>  - Use `pseudo nmi`
>>  - stress-ng CPU stress test.
> 
> I think two other things to test would be the MTE functionality
> (especially async mode), and kasan in general.

You are right, I'll test the MTE and kasan later, thank you!

> 
> I've really struggled to get MTE working with qemu, so likely real
> hardware would be needed for that... I'm hoping the ARM folks have
> access to something that would work well for this. :)
> 
> -Kees
>