On Tue, Aug 23, 2016 at 09:43:25AM -0400, Brian Gerst wrote: > > -ENTRY(clear_page_c_e) > > +ENTRY(clear_page_rep_stosb) > > movl $4096,%ecx > > xorl %eax,%eax > > rep stosb > > ret > > -ENDPROC(clear_page_c_e) > > +ENDPROC(clear_page_rep_stosb) > > I like this idea, but does it make sense to take it a step further and > inline the string instruction alternatives to avoid a call altogether?
It is easy but you can't do runtime patching then. > Also, 32-bit should be converted to do the same thing as 64-bit. I don't run 32-bit. :-)
