>>> On 24.09.15 at 10:02, <jbeul...@suse.com> wrote: >>>> On 23.09.15 at 19:37, <andrew.coop...@citrix.com> wrote: >> On 22/09/15 14:06, Jan Beulich wrote: >>> ... in anticipation of this possibly going to get used by guests for >>> basic thinks like memset() or clearing or pages. >>> >>> Since the emulation doesn't use clzero itself, checking the guest's >>> CPUID for the feature to be exposed is (intentionally) being avoided >>> here. All that's required is sensible guest side data for the clflush >>> line size. >>> >>> Signed-off-by: Jan Beulich <jbeul...@suse.com> >> >> Where have you found this instruction? Googling, I have found a >> presentation talking about it being new in the new AMD Zen cores, but I >> still can't locate any technical documentation on the matter. > > Sadly no technical documentation so far, despite me pinging for it > after the respective binutils patch > (https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=029f > 3522619e8b77a7b848be23f4c13e50087d8b) > got posted and went in.
Sherry, any chance you could help out here making this make some forward progress? Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
