From: Avi Kivity <[email protected]> In light of the recent cr8/ept problem.
Signed-off-by: Avi Kivity <[email protected]> Signed-off-by: Marcelo Tosatti <[email protected]> diff --git a/kvm/user/test/x86/vmexit.c b/kvm/user/test/x86/vmexit.c index bd1895f..cce26d9 100644 --- a/kvm/user/test/x86/vmexit.c +++ b/kvm/user/test/x86/vmexit.c @@ -37,12 +37,28 @@ static void vmcall(void) asm volatile ("vmcall" : "+a"(a), "=b"(b), "=c"(c), "=d"(d)); } +static void mov_from_cr8(void) +{ + unsigned long cr8; + + asm volatile ("mov %%cr8, %0" : "=r"(cr8)); +} + +static void mov_to_cr8(void) +{ + unsigned long cr8 = 0; + + asm volatile ("mov %0, %%cr8" : : "r"(cr8)); +} + static struct test { void (*func)(void); const char *name; } tests[] = { { cpuid, "cpuid", }, { vmcall, "vmcall", }, + { mov_from_cr8, "mov_from_cr8" }, + { mov_to_cr8, "mov_to_cr8" }, }; static void do_test(struct test *test) -- 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
