From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Zyngier Subject: Re: [PATCH] KVM: arm64: Increase number of memslots to 512 Date: Sat, 14 Jan 2017 10:46:29 +0000 Message-ID: <868tqdvrzu.fsf@arm.com> References: <1484153537-20984-1-git-send-email-linucherian@gmail.com> <61fa02f8-b244-6bae-eaa1-cb745ea543e1@arm.com> <6fc30f74-d1ab-028f-7e5f-a5d1fe69c17a@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 85B39406B0 for ; Sat, 14 Jan 2017 05:44:47 -0500 (EST) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NBXG+W8JnonY for ; Sat, 14 Jan 2017 05:44:46 -0500 (EST) Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 4798740421 for ; Sat, 14 Jan 2017 05:44:46 -0500 (EST) In-Reply-To: (Linu Cherian's message of "Sat, 14 Jan 2017 15:23:52 +0530") List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: Linu Cherian Cc: sunil.goutham@cavium.com, Linu Cherian , pbonzini@redhat.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org List-Id: kvmarm@lists.cs.columbia.edu On Sat, Jan 14 2017 at 09:53:52 AM, Linu Cherian wrote: >> Let me be more precise. At the moment, KVM on arm64 doesn't support the >> delivery of MSIs generated by physical devices into a guest (patches are >> in progress, but not merged yet). So unless you used devices that have >> no need for interrupts, I don't see how this works. >> >> Can you shed some light on your test process? >> > > We did the testing on top of latest VFIO msi support patches submitted > by Eric Auger. Did you? That's reassuring. It would have been good if any of the Cavium folks did chime in on the list and help reviewing though - so far, all I've heard is a deafening silence. I guess there was no hurry for Cavium to see these patches being merged. Thanks, M. -- Jazz is not dead. It just smells funny. From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Sat, 14 Jan 2017 10:46:29 +0000 Subject: [PATCH] KVM: arm64: Increase number of memslots to 512 In-Reply-To: (Linu Cherian's message of "Sat, 14 Jan 2017 15:23:52 +0530") References: <1484153537-20984-1-git-send-email-linucherian@gmail.com> <61fa02f8-b244-6bae-eaa1-cb745ea543e1@arm.com> <6fc30f74-d1ab-028f-7e5f-a5d1fe69c17a@arm.com> Message-ID: <868tqdvrzu.fsf@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sat, Jan 14 2017 at 09:53:52 AM, Linu Cherian wrote: >> Let me be more precise. At the moment, KVM on arm64 doesn't support the >> delivery of MSIs generated by physical devices into a guest (patches are >> in progress, but not merged yet). So unless you used devices that have >> no need for interrupts, I don't see how this works. >> >> Can you shed some light on your test process? >> > > We did the testing on top of latest VFIO msi support patches submitted > by Eric Auger. Did you? That's reassuring. It would have been good if any of the Cavium folks did chime in on the list and help reviewing though - so far, all I've heard is a deafening silence. I guess there was no hurry for Cavium to see these patches being merged. Thanks, M. -- Jazz is not dead. It just smells funny.