On 24/01/2019 19:28, Andrew Cooper wrote: > Code clearing the "Suppress VE" bit in an EPT entry isn't nececsserily running > in current context. In ALTP2M_external mode, it definitely is not, and in PV > context, vcpu_altp2m(current) acts upon the HVM union. > > Even if we could sensibly resolve the target vCPU, it may legitimately not be > fully set up at this point, so rejecting the EPT modification would be buggy. > > There is a path in hvm_hap_nested_page_fault() which explicitly emulates #VE > in the cpu_has_vmx_virt_exceptions case, so the -EOPNOTSUPP part of this > condition is also wrong. > > Drop the !sve check entirely. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
Release-acked-by: Juergen Gross <jgr...@suse.com> Juergen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
