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Re: [Qemu-devel] [PATCH RFC 0/5] Xen: introduce Xen PV target
From: |
Wei Liu |
Subject: |
Re: [Qemu-devel] [PATCH RFC 0/5] Xen: introduce Xen PV target |
Date: |
Fri, 24 Jan 2014 14:23:37 +0000 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Thu, Jan 23, 2014 at 10:30:16PM +0000, Peter Maydell wrote:
> On 23 January 2014 22:16, Wei Liu <address@hidden> wrote:
> > As promised I hacked a prototype based on Paolo's disable TCG series.
> > However I coded some stubs for TCG anyway. So this series in principle
> > should work with / without Paolo's series.
>
> I'm afraid I still think this is a terrible idea. "Xen" isn't a CPU, and
Thanks for being blunt. ;-)
> "the binary is smaller" isn't IMHO sufficient justification for breaking
> QEMU's basic structure of "target-* define target CPUs and we have
> a lot of compile time constants which are specific to a CPU which
> get defined there". How would you support a bigendian Xen CPU,
> just to pick one example of where this falls down?
>
I think about this deeper. From Xen's (and I speculate this applies to
other hardware assisted virtulization solution as well) PoV only the
native endianess is supported, does it make sense to have a
target-native thing?
Wei.
> thanks -- PMM
- [Qemu-devel] [PATCH RFC 0/5] Xen: introduce Xen PV target, Wei Liu, 2014/01/23
- [Qemu-devel] [PATCH RFC 4/5] xen: implement Xen PV target, Wei Liu, 2014/01/23
- [Qemu-devel] [PATCH RFC 2/5] xen: factor out common functions, Wei Liu, 2014/01/23
- [Qemu-devel] [PATCH RFC 1/5] xen: move Xen PV machine files to hw/xenpv, Wei Liu, 2014/01/23
- [Qemu-devel] [PATCH RFC 3/5] exec: guard Xen HVM hooks with CONFIG_XEN_I386, Wei Liu, 2014/01/23
- [Qemu-devel] [PATCH RFC 5/5] xen: introduce xenpv-softmmu.mak, Wei Liu, 2014/01/23
- Re: [Qemu-devel] [PATCH RFC 0/5] Xen: introduce Xen PV target, Peter Maydell, 2014/01/23
- Re: [Qemu-devel] [PATCH RFC 0/5] Xen: introduce Xen PV target,
Wei Liu <=
- Re: [Qemu-devel] [PATCH RFC 0/5] Xen: introduce Xen PV target, Paolo Bonzini, 2014/01/24
Re: [Qemu-devel] [PATCH RFC 0/5] Xen: introduce Xen PV target, Paolo Bonzini, 2014/01/24