On Thu, Jan 11, 2018 at 11:37:18AM +0000, David Woodhouse wrote: > In accordance with the Intel and AMD documentation, we need to overwrite > all entries in the RSB on exiting a guest, to prevent malicious branch > target predictions from affecting the host kernel. This is needed both > for retpoline and for IBRS. > > Signed-off-by: David Woodhouse <d...@amazon.co.uk>
Tested this on my AMD Interlagos, seems to work. Tested-by: Peter Zijlstra (Intel) <pet...@infradead.org>
