x86/kvm/tracing: Use helper function trace_seq_buffer_ptr()
x86/kvm/tracing: Use helper function trace_seq_buffer_ptr()

To allow for the restructiong of the trace_seq code, we need users
of it to use the helper functions instead of accessing the internals
of the trace_seq structure itself.

Link: http://lkml.kernel.org/r/20141104160221.585025609@goodmis.org

Tested-by: Jiri Kosina <ed58f755cc8caaf10c3e8c731a8b86fb8f13d6cb@suse.cz>
Acked-by: Jiri Kosina <ed58f755cc8caaf10c3e8c731a8b86fb8f13d6cb@suse.cz>
Acked-by: Paolo Bonzini <69d3ebcf5ee4e7f05a50dc23cd96655b730804b4@redhat.com>
Acked-by: Mark Rustad <54e60e0b3ed6972c60d10aba14475cde8644c703@intel.com>
Reviewed-by: Petr Mladek <9cbcfb1260d253e26a699647bd9cbee55818ea4a@suse.cz>
Cc: Jeff Kirsher <87e35f5be20bb3e67f4ba6b86f5f6be3085b1b3a@intel.com>
Signed-off-by: Steven Rostedt <43232e92d70cc7aa53504ad0397085ee47bad87f@goodmis.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs