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Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std |
Date: |
Wed, 8 Apr 2009 17:31:41 +0000 |
User-agent: |
KMail/1.9.9 |
> > I believe this is in fact the root cause. KVM slot management code
> > probably require
> > memory to be page aligned. By trying to register a region that is not
> > page aligned,
> > the ioctl may fail. I, however, did not see this happening in qemu
> > upstream (only kvm-userspace),
> > and have absolutely no idea about why. But the patch makes perfect sense
> > to me.
>
> But this really sounds like a limitation that should better be fixed in
> the kvm layer, not the device/machine code.
I was meaning more why we're creating regions for individual roms. Just map
the whole block at once.
FWIW kvm probably needs to be able to handle small regions anyway, some PCI
devices require them.
Paul
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, (continued)
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, Glauber Costa, 2009/04/08
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, Glauber Costa, 2009/04/08
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, M. Warner Losh, 2009/04/08
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, Glauber Costa, 2009/04/08
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, M. Warner Losh, 2009/04/08
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, Paul Brook, 2009/04/08
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, Glauber Costa, 2009/04/08
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, Anthony Liguori, 2009/04/08
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, Anthony Liguori, 2009/04/08
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std, Glauber Costa, 2009/04/08
- Re: [Qemu-devel] Re: start qemu failed with --enable-kvm -vga std,
Paul Brook <=