On Fri, 2023-11-24 at 00:53 -0500, Yang Weijiang wrote: > Kernel dynamic xfeatures now are __ONLY__ enabled for guest fpstate, > i.e., > none for normal kernel fpstate. The bits are added when guest FPU ^never? > config > is initialized. Guest fpstate is allocated with fpstate->is_guest set > to > %true. > > For normal fpstate, the bits should have been removed when > initializes > kernel FPU config settings, WARN_ONCE() if kernel detects normal > fpstate > xfeatures contains kernel dynamic xfeatures before executes xsaves. > > Signed-off-by: Yang Weijiang <weijiang.yang@xxxxxxxxx> Otherwise... Reviewed-by: Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>
