On Fri, May 29, 2015 at 10:30:21AM +0100, Alex Bennée wrote: > This is a precursor for later patches which will need to do more to > setup debug state before entering the hyp.S switch code. The existing > functionality for setting mdcr_el2 has been moved out of hyp.S and now > uses the value kept in vcpu->arch.mdcr_el2. > > As the assembler used to previously mask and preserve MDCR_EL2.HPMN I've > had to add a mechanism to save the value of mdcr_el2 as a per-cpu > variable during the initialisation code. The kernel never sets this > number so we are assuming the bootcode has set up the correct value > here. > > This also moves the conditional setting of the TDA bit from the hyp code > into the C code which is currently used for the lazy debug register > context switch code. > > Signed-off-by: Alex Bennée <alex.bennee@xxxxxxxxxx> > Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
