On 22/11/16 13:55, Jan Beulich wrote: > The only field modified (and even that conditionally) is the back link. > Write only that field, and only when it actually has been written to. > > Take the opportunity and also ditch the pointless initializer from the > "tss" local variable.
It would help to point out that tss is unconditionally filled completely from guest memory. > Signed-off-by: Jan Beulich <[email protected]> As for the mechanical adjustments here, Reviewed-by: Andrew Cooper <[email protected]> However, is the position of the backlink write actually correct? I'd have thought that all access to the old tss happen before switching cr3. I can't find a useful description of the order of events in a task switch in either manual. ~Andrew _______________________________________________ Xen-devel mailing list [email protected] https://lists.xen.org/xen-devel
