On Tue, Jan 28, 2014 at 10:14:12PM +0530, Aneesh Kumar K.V wrote: > We allow priv-mode update of this. The guest value is saved in fscr, > and the value actually used is saved in shadow_fscr. shadow_fscr > only contains values that are allowed by the host. On > facility unavailable interrupt, if the facility is allowed by fscr > but disabled in shadow_fscr we need to emulate the support. Currently > all but EBB is disabled. We still don't support performance monitoring > in PR guest.
... > + /* > + * Save the current fscr in shadow fscr > + */ > + mfspr r3,SPRN_FSCR > + PPC_STL r3, VCPU_SHADOW_FSCR(r7) I don't think you need to do this. What could possibly have changed FSCR since we loaded it on the way into the guest? Paul. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
