Zhang, Xiantao wrote:
Avi Kivity wrote:
Zhang, Xiantao wrote:
Avi Kivity wrote:
Zhang, Xiantao wrote:
Hi, Avi
Currently, make sync in userspace only syncs x86-specific heads
from kernel source due to hard-coded in Makefile.
Do you have plan to provide cross-arch support for that?
No plans. I'll apply patches though. But don't you need kernel
changes which make it impossible to run kvm-ia64 on older kernels?
Other archs may
need it for save/restore :)
Save/restore? Don't understand.
You know, currently make sync would sync header files to userspace
from include/asm-x86/, so kvm.h and kvm_host.h are always synced
from there for any archs. Since some arch-specific stuff for
save/restore should be defined in include/asm-$arch/(kvm.h;
kvm_host.h), so ia64 or other archs should need it when they
implement save/restore.
I see. But is 'make sync' actually useful for you? Can you run
kvm-ia64 on top of 2.6.24, which doesn't include your ia64 core API
changes?
Now we don't intend to provide support for kernel which is older than
2.6.24. And we don't want to compile kernel module in userspace.
But at least we need to ensure make sync work first, because we need
it to guarantee Qemu to use right header files for its compilation.
Xiantao
I see. ./configure --with-patched-kernel should work for that, but I
have no issue with copying include/asm-ia64 either.
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