From: "Dr. David Alan Gilbert" <dgilbert@redhat.com> To: Thomas Huth <thuth@redhat.com> Cc: "Zhao, Shirley" <shirley.zhao@intel.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, virtio-fs@redhat.com, Stefan Hajnoczi <stefanha@redhat.com> Subject: Re: [Qemu] how to use viriofs in qemu without NUMA Date: Tue, 5 Jul 2022 09:03:57 +0100 [thread overview] Message-ID: <YsPwbbiuxtkD6HSp@work-vm> (raw) In-Reply-To: <3b6c8e16-3712-3402-3ab2-17bf53ec64a8@redhat.com> * Thomas Huth (thuth@redhat.com) wrote: > On 05/07/2022 03.02, Zhao, Shirley wrote: > > Hi, all, > > > > I want to use virtiofs to share folder between host and guest. > > > > From the guide, it must set the NUMA node. > > https://virtio-fs.gitlab.io/howto-qemu.html > > > > But my guest doesn’t support NUMA. > > > > Is there any guide to use qemu + virtiofs without NUMA? > > > > Or does qemu have any plan to support it? > > Hi! > > At least on s390x, you can also specify the memory backend via the -machine > option instead of using the -numa option, e.g.: > > qemu-system-s390x -machine memory-backend=mem \ > -object memory-backend-file,id=mem,... > > Not sure whether that works on other architectures, too, though. Stefan, > David, do you know? Right, that's the way I do it on x86. We wrote virtiofs before the memory-backend option existed, which is why the old docs talk about using the NUMA stuff. Dave > Thomas > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com> To: Thomas Huth <thuth@redhat.com> Cc: "Zhao, Shirley" <shirley.zhao@intel.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, virtio-fs@redhat.com, Stefan Hajnoczi <stefanha@redhat.com> Subject: Re: [Virtio-fs] [Qemu] how to use viriofs in qemu without NUMA Date: Tue, 5 Jul 2022 09:03:57 +0100 [thread overview] Message-ID: <YsPwbbiuxtkD6HSp@work-vm> (raw) In-Reply-To: <3b6c8e16-3712-3402-3ab2-17bf53ec64a8@redhat.com> * Thomas Huth (thuth@redhat.com) wrote: > On 05/07/2022 03.02, Zhao, Shirley wrote: > > Hi, all, > > > > I want to use virtiofs to share folder between host and guest. > > > > From the guide, it must set the NUMA node. > > https://virtio-fs.gitlab.io/howto-qemu.html > > > > But my guest doesn’t support NUMA. > > > > Is there any guide to use qemu + virtiofs without NUMA? > > > > Or does qemu have any plan to support it? > > Hi! > > At least on s390x, you can also specify the memory backend via the -machine > option instead of using the -numa option, e.g.: > > qemu-system-s390x -machine memory-backend=mem \ > -object memory-backend-file,id=mem,... > > Not sure whether that works on other architectures, too, though. Stefan, > David, do you know? Right, that's the way I do it on x86. We wrote virtiofs before the memory-backend option existed, which is why the old docs talk about using the NUMA stuff. Dave > Thomas > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2022-07-05 8:07 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-07-05 1:02 [Qemu] how to use viriofs in qemu without NUMA Zhao, Shirley 2022-07-05 7:48 ` Thomas Huth 2022-07-05 7:48 ` [Virtio-fs] " Thomas Huth 2022-07-05 8:03 ` Dr. David Alan Gilbert [this message] 2022-07-05 8:03 ` Dr. David Alan Gilbert 2022-07-05 9:01 ` Zhao, Shirley 2022-07-05 9:01 ` [Virtio-fs] " Zhao, Shirley 2022-07-05 9:36 ` Dr. David Alan Gilbert 2022-07-05 9:36 ` [Virtio-fs] " Dr. David Alan Gilbert 2022-07-08 0:40 ` Zhao, Shirley 2022-07-08 0:40 ` [Virtio-fs] " Zhao, Shirley 2022-07-12 7:06 ` Zhao, Shirley 2022-07-12 7:06 ` [Virtio-fs] " Zhao, Shirley 2022-07-12 12:33 ` Vivek Goyal 2022-07-13 5:43 ` Zhao, Shirley 2022-07-13 5:43 ` Zhao, Shirley
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