linux-kernel - Re: [patch V3 00/66] x86/fpu: Spring cleaning and PKRU sanitizing

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Message-ID: <73A33E4D-2D7C-4B79-80EB-952E7B754655@intel.com>
Date:   Tue, 22 Jun 2021 20:02:39 +0000
From:   "Bae, Chang Seok" <chang.seok.bae@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
CC:     LKML <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "Yu, Fenghua" <fenghua.yu@...el.com>,
        "Luck, Tony" <tony.luck@...el.com>,
        "Yu, Yu-cheng" <yu-cheng.yu@...el.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Borislav Petkov <bp@...e.de>,
        Peter Zijlstra <peterz@...radead.org>,
        "Kan Liang" <kan.liang@...ux.intel.com>
Subject: Re: [patch V3 00/66] x86/fpu: Spring cleaning and PKRU sanitizing

On Jun 21, 2021, at 15:22, Bae, Chang Seok <chang.seok.bae@...el.com> wrote:
> I tried to apply AMX patches on top of this. The test looks to be okay by far.
> I will also give an update here if I find anything.

This looks to be vague about the test. I took cases shown in AMX v5 like this:
	https://lore.kernel.org/lkml/20210523193259.26200-24-chang.seok.bae@intel.com/
It validates AMX state with context switches, signal delivery/return, and
context injection via ptrace.

Thanks,
Chang