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From: Fenghua Yu <fenghua.yu@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	x86@kernel.org, "Chang S. Bae" <chang.seok.bae@intel.com>,
	Paolo Bonzini <bonzini@gnu.org>, Tony Luck <tony.luck@intel.com>
Subject: Re: [patch 0/7] x86/fpu: Cure supervisor mode (ENQCMD) fallout
Date: Mon, 28 Mar 2022 15:30:04 -0700	[thread overview]
Message-ID: <YkI27CuLsDFcPWpS@otcwcpicx3.sc.intel.com> (raw)
In-Reply-To: <20220324134548.432837672@linutronix.de>

Hi, Thomas,

On Thu, Mar 24, 2022 at 02:47:07PM +0100, Thomas Gleixner wrote:
> It builds, boots on host and guest, but is not yet extensively tested.
> Testing with a AMX + PASID enabled machine has not been done at all as I
> don't have easy access to such a beast.

I run many copies of dsa_test [1] (i.e. multi-threading and multi-tasking)
to stressfully exercise FPU PASID state context switch on native.
No issue is found so far.

1. https://github.com/intel/idxd-config

Thanks.

-Fenghua

      parent reply	other threads:[~2022-03-28 22:43 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-24 13:47 [patch 0/7] x86/fpu: Cure supervisor mode (ENQCMD) fallout Thomas Gleixner
2022-03-24 13:47 ` [patch 1/7] x86/fpu: Remove redundant XCOMP_BV initialization Thomas Gleixner
2022-03-31  9:01   ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2022-03-24 13:47 ` [patch 2/7] x86/fpu: Remove unused supervisor only offsets Thomas Gleixner
2022-03-31  9:00   ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2022-03-24 13:47 ` [patch 3/7] x86/fpu/xsave: Initialize offset/size cache early Thomas Gleixner
2022-03-31  9:00   ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2022-03-24 13:47 ` [patch 4/7] x86/fpu: Cache xfeature flags from CPUID Thomas Gleixner
2022-03-31  9:00   ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2022-03-24 13:47 ` [patch 5/7] x86/fpu/xsave: Handle compacted offsets correctly with supervisor states Thomas Gleixner
2022-03-31  9:00   ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2022-03-24 13:47 ` [patch 6/7] x86/fpu/xstate: Handle supervisor states in XSTATE permissions Thomas Gleixner
2022-03-31  9:00   ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2022-03-24 13:47 ` [patch 7/7] x86/fpu/xstate: Consolidate size calculations Thomas Gleixner
2022-03-28 18:43   ` [patch V2 " Thomas Gleixner
2022-03-31  9:00     ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2022-03-28 12:39 ` [patch 0/7] x86/fpu: Cure supervisor mode (ENQCMD) fallout Chang S. Bae
2022-03-28 22:30 ` Fenghua Yu [this message]

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