From: Joerg Roedel <[email protected]> This patch adds a test to check if the RSVD bits are checked in the NPT emulation of KVM.
Signed-off-by: Joerg Roedel <[email protected]> Signed-off-by: Avi Kivity <[email protected]> diff --git a/x86/svm.c b/x86/svm.c index 04ca028..03e07e2 100644 --- a/x86/svm.c +++ b/x86/svm.c @@ -516,6 +516,22 @@ static bool npt_us_check(struct test *test) && (test->vmcb->control.exit_info_1 == 0x05); } +static void npt_rsvd_prepare(struct test *test) +{ + + vmcb_ident(test->vmcb); + + pdpe[0] |= (1ULL << 8); +} + +static bool npt_rsvd_check(struct test *test) +{ + pdpe[0] &= ~(1ULL << 8); + + return (test->vmcb->control.exit_code == SVM_EXIT_NPF) + && (test->vmcb->control.exit_info_1 == 0x0f); +} + static struct test tests[] = { { "null", default_supported, default_prepare, null_test, default_finished, null_check }, @@ -542,6 +558,8 @@ static struct test tests[] = { default_finished, npt_nx_check }, { "npt_us", npt_supported, npt_us_prepare, npt_us_test, default_finished, npt_us_check }, + { "npt_rsvd", npt_supported, npt_rsvd_prepare, null_test, + default_finished, npt_rsvd_check }, }; int main(int ac, char **av) -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
