> So do you have a patch for copy_page()?
In Xen for PPC, the only copy_page() is in arch/powerpc/mm.c:
extern void copy_page(void *dp, void *sp)
{
if (on_systemsim()) {
systemsim_memcpy(dp, sp, PAGE_SIZE);
} else {
memcpy(dp, sp, PAGE_SIZE);
}
}
1) Also copy_page is not referenced in current Xen sources?
2) dcbz depends on cacheability and cache alignment.
Should a newname be given to this version of copy_page()?
3) Useful when PPC must do page copies in place of 'page flipping'.
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