On 17/09/2019 07:13, Jan Beulich wrote: > We really need to flush the TLB just once, if we do so with or after the > CR3 write. The only case where two flushes are unavoidable is when we > mean to turn off CR4.PGE (perhaps just temporarily; see the code > comment). > > Signed-off-by: Jan Beulich <[email protected]> > Reviewed-by: Roger Pau Monné <[email protected]>
Acked-by: Andrew Cooper <[email protected]> I'm a bit hesitant, considering the two especially subtle TLB flushing bugs we introduced with the last change to this function, but that alone isn't a legitimate reason to block the patch. _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
