Jeff Dike wrote: > On Tue, Jul 17, 2007 at 09:15:51AM -0500, Anthony Liguori wrote: > >> I'm planning on breaking this interface again since the new hypercall >> API only takes 4 arguments instead of 6. >> > > Is anything written anywhere about this hypercall interface? >
I've posted patches. I'll post more in the near future since we decided to make some rather drastic changes. With the new patchset, guest's will use vmcall directly with a couple bytes of padding. The hypervisor may or may not patch the calling site to use something different (like vmmcall). > The thing which would make me happy (which the current code comes > close to) is for the guest to be able to pass out Linux system calls > with VMCALL. > Within the kernel right (VMCALL is only usable in ring 1). Is it terribly important to be able to pass through the syscall arguments in registers verses packing them in a data structure and passing a pointer to that structure? Regards, Anthony Liguori > Jeff > > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
