On Fri, Apr 30, 2021 at 7:38 AM Aaron Lewis <aaronlewis@xxxxxxxxxx> wrote: > > This test exercises the feature KVM_CAP_EXIT_ON_EMULATION_FAILURE. When > enabled, errors in the in-kernel instruction emulator are forwarded to > userspace with the instruction bytes stored in the exit struct for > KVM_EXIT_INTERNAL_ERROR. So, when the guest attempts to emulate an > 'flds' instruction, which isn't able to be emulated in KVM, instead > of failing, KVM sends the instruction to userspace to handle. > > For this test to work properly the module parameter > 'allow_smaller_maxphyaddr' has to be set. > > Signed-off-by: Aaron Lewis <aaronlewis@xxxxxxxxxx> > Change-Id: I23af1c0d4a3a3484dc15ddd928f3693a48c33e47 > --- ... > + TEST_ASSERT(is_flds(insn_bytes, insn_size), > + "Unexpected instruction. Expected 'flds' (0xd9 /0)"); Aren't we looking for 0xd9 /5? With that minor fix. Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>
