>>> On 06.09.16 at 12:12, <andrew.coop...@citrix.com> wrote: > In a similar style to hvm_do_hypercall(). The C version is far easier to > understand and edit than the assembly versions. > > There are a few small differences however. The register clobbering values > have changed (to match the HVM side), and in particular clobber the upper > 32bits of 64bit arguments. The hypercall and performance counter record are > reordered to increase code sharing between the 32bit and 64bit cases. > > The sole callers of __trace_hypercall_entry() were the assembly code. Given > the new C layout, it is more convenient to fold __trace_hypercall_entry() into > pv_hypercall(), and call __trace_hypercall() directly. > > Finally, pv_hypercall() will treat a NULL hypercall function pointer as > -ENOSYS, allowing further cleanup. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Jan Beulich <jbeul...@suse.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
