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Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device |
Date: |
Wed, 10 Mar 2010 17:41:47 +0000 |
User-agent: |
KMail/1.12.4 (Linux/2.6.32-trunk-amd64; KDE/4.3.4; x86_64; ; ) |
> > You're much better off using a bulk-data transfer API that relaxes
> > coherency requirements. IOW, shared memory doesn't make sense for TCG
>
> Rather, tcg doesn't make sense for shared memory smp. But we knew that
> already.
In think TCG SMP is a hard, but soluble problem, especially when you're
running guests used to coping with NUMA.
TCG interacting with third parties via shared memory is probably never going
to make sense.
Paul
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, (continued)
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Avi Kivity, 2010/03/08
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Paul Brook, 2010/03/08
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Avi Kivity, 2010/03/08
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Jamie Lokier, 2010/03/09
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Anthony Liguori, 2010/03/09
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Avi Kivity, 2010/03/10
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Anthony Liguori, 2010/03/10
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Avi Kivity, 2010/03/10
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device,
Paul Brook <=
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Avi Kivity, 2010/03/11
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Paul Brook, 2010/03/11
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Jamie Lokier, 2010/03/09
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Paul Brook, 2010/03/09
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Cam Macdonell, 2010/03/09
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Avi Kivity, 2010/03/10
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Paul Brook, 2010/03/10
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Jamie Lokier, 2010/03/10
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, Nick Piggin, 2010/03/11
- Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device, malc, 2010/03/11