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| author | Sean Christopherson <seanjc@google.com> | 2023-07-28 17:36:33 -0700 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2023-08-02 14:43:11 -0700 |
| commit | 0f52e4aaa61400ce68e122b678811777734421ff (patch) | |
| tree | b6e3dbb5007c91ebe19ce118e8cd0a60ef8fc8c0 /tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c | |
| parent | bf6c760b9df39ebc83245b37ef09ee390ba05e9f (diff) | |
| download | linux-stable-0f52e4aaa61400ce68e122b678811777734421ff.tar.gz linux-stable-0f52e4aaa61400ce68e122b678811777734421ff.tar.bz2 linux-stable-0f52e4aaa61400ce68e122b678811777734421ff.zip | |
KVM: selftests: Convert the MONITOR/MWAIT test to use printf guest asserts
Convert x86's MONITOR/MWAIT test to use printf-based guest asserts. Add a
macro to handle reporting failures to reduce the amount of copy+paste
needed for MONITOR vs. MWAIT.
Link: https://lore.kernel.org/r/20230729003643.1053367-25-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c')
| -rw-r--r-- | tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c b/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c index 72812644d7f5..960fecab3742 100644 --- a/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c +++ b/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c @@ -1,4 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#define USE_GUEST_ASSERT_PRINTF 1 + #include <fcntl.h> #include <stdio.h> #include <stdlib.h> @@ -16,14 +18,25 @@ enum monitor_mwait_testcases { MWAIT_DISABLED = BIT(2), }; +/* + * If both MWAIT and its quirk are disabled, MONITOR/MWAIT should #UD, in all + * other scenarios KVM should emulate them as nops. + */ +#define GUEST_ASSERT_MONITOR_MWAIT(insn, testcase, vector) \ +do { \ + bool fault_wanted = ((testcase) & MWAIT_QUIRK_DISABLED) && \ + ((testcase) & MWAIT_DISABLED); \ + \ + if (fault_wanted) \ + __GUEST_ASSERT((vector) == UD_VECTOR, \ + "Expected #UD on " insn " for testcase '0x%x', got '0x%x'", vector); \ + else \ + __GUEST_ASSERT(!(vector), \ + "Expected success on " insn " for testcase '0x%x', got '0x%x'", vector); \ +} while (0) + static void guest_monitor_wait(int testcase) { - /* - * If both MWAIT and its quirk are disabled, MONITOR/MWAIT should #UD, - * in all other scenarios KVM should emulate them as nops. - */ - bool fault_wanted = (testcase & MWAIT_QUIRK_DISABLED) && - (testcase & MWAIT_DISABLED); u8 vector; GUEST_SYNC(testcase); @@ -33,16 +46,10 @@ static void guest_monitor_wait(int testcase) * intercept checks, so the inputs for MONITOR and MWAIT must be valid. */ vector = kvm_asm_safe("monitor", "a"(guest_monitor_wait), "c"(0), "d"(0)); - if (fault_wanted) - GUEST_ASSERT_2(vector == UD_VECTOR, testcase, vector); - else - GUEST_ASSERT_2(!vector, testcase, vector); + GUEST_ASSERT_MONITOR_MWAIT("MONITOR", testcase, vector); vector = kvm_asm_safe("mwait", "a"(guest_monitor_wait), "c"(0), "d"(0)); - if (fault_wanted) - GUEST_ASSERT_2(vector == UD_VECTOR, testcase, vector); - else - GUEST_ASSERT_2(!vector, testcase, vector); + GUEST_ASSERT_MONITOR_MWAIT("MWAIT", testcase, vector); } static void guest_code(void) @@ -85,7 +92,7 @@ int main(int argc, char *argv[]) testcase = uc.args[1]; break; case UCALL_ABORT: - REPORT_GUEST_ASSERT_2(uc, "testcase = %lx, vector = %ld"); + REPORT_GUEST_ASSERT(uc); goto done; case UCALL_DONE: goto done; |