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From: Fenghua Yu <fenghua.yu@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	H Peter Anvin <hpa@zytor.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Lu Baolu <baolu.lu@linux.intel.com>,
	Dave Hansen <dave.hansen@intel.com>,
	Tony Luck <tony.luck@intel.com>, Ashok Raj <ashok.raj@intel.com>,
	Jacob Jun Pan <jacob.jun.pan@intel.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Sohil Mehta <sohil.mehta@intel.com>,
	Ravi V Shankar <ravi.v.shankar@intel.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, x86 <x86@kernel.org>,
	iommu@lists.linux-foundation.org
Subject: Re: [PATCH 0/7] x86: tag application address space for devices
Date: Wed, 22 Apr 2020 13:41:17 -0700	[thread overview]
Message-ID: <20200422204117.GB229170@romley-ivt3.sc.intel.com> (raw)
In-Reply-To: <1585596788-193989-1-git-send-email-fenghua.yu@intel.com>

On Mon, Mar 30, 2020 at 12:33:01PM -0700, Fenghua Yu wrote:
> Typical hardware devices require a driver stack to translate application
> buffers to hardware addresses, and a kernel-user transition to notify the
> hardware of new work. What if both the translation and transition overhead
> could be eliminated? This is what Shared Virtual Address (SVA) and ENQCMD
> enabled hardware like Data Streaming Accelerator (DSA) aims to achieve.
> Applications map portals in their local-address-space and directly submit
> work to them using a new instruction.
> 
Hi, maintainers,

Any comment on this series?

Thanks.

-Fenghua

      parent reply	other threads:[~2020-04-22 20:42 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-30 19:33 [PATCH 0/7] x86: tag application address space for devices Fenghua Yu
2020-03-30 19:33 ` [PATCH 1/7] docs: x86: Add a documentation for ENQCMD Fenghua Yu
2020-04-26 11:02   ` Thomas Gleixner
2020-04-27 20:13     ` Fenghua Yu
2020-03-30 19:33 ` [PATCH 2/7] x86/cpufeatures: Enumerate ENQCMD and ENQCMDS instructions Fenghua Yu
2020-04-26 11:06   ` Thomas Gleixner
2020-04-27 20:17     ` Fenghua Yu
2020-03-30 19:33 ` [PATCH 3/7] x86/fpu/xstate: Add supervisor PASID state for ENQCMD feature Fenghua Yu
2020-04-26 11:17   ` Thomas Gleixner
2020-04-27 20:33     ` Fenghua Yu
2020-03-30 19:33 ` [PATCH 4/7] x86/msr-index: Define IA32_PASID MSR Fenghua Yu
2020-04-26 11:22   ` Thomas Gleixner
2020-04-27 20:50     ` Fenghua Yu
2020-03-30 19:33 ` [PATCH 5/7] x86/mmu: Allocate/free PASID Fenghua Yu
2020-04-26 14:55   ` Thomas Gleixner
2020-04-27 22:18     ` Fenghua Yu
2020-04-27 23:44       ` Thomas Gleixner
2020-04-28 18:21     ` Jacob Pan (Jun)
2020-04-28 18:54       ` Thomas Gleixner
2020-04-28 19:07         ` Luck, Tony
2020-04-28 20:42           ` Jacob Pan (Jun)
2020-04-28 20:59             ` Luck, Tony
2020-04-28 22:13               ` Jacob Pan (Jun)
2020-04-28 22:32                 ` Luck, Tony
2020-04-28 20:40         ` Jacob Pan (Jun)
2020-04-28 20:57     ` Fenghua Yu
2020-03-30 19:33 ` [PATCH 6/7] x86/traps: Fix up invalid PASID Fenghua Yu
2020-04-26 15:25   ` Thomas Gleixner
2020-04-27 20:11     ` Fenghua Yu
2020-04-28  0:13       ` Thomas Gleixner
2020-04-27 22:46     ` Raj, Ashok
2020-04-27 23:08       ` Luck, Tony
2020-04-28  0:20         ` Thomas Gleixner
2020-04-28  0:54       ` Thomas Gleixner
2020-04-28  1:08         ` Raj, Ashok
2020-03-30 19:33 ` [PATCH 7/7] x86/process: Clear PASID state for a newly forked/cloned thread Fenghua Yu
2020-04-22 20:41 ` Fenghua Yu [this message]

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