diff options
| -rw-r--r-- | tools/testing/selftests/kvm/x86/hyperv_tlb_flush.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/tools/testing/selftests/kvm/x86/hyperv_tlb_flush.c b/tools/testing/selftests/kvm/x86/hyperv_tlb_flush.c index 15ee8b7bfc11..b4be9a175379 100644 --- a/tools/testing/selftests/kvm/x86/hyperv_tlb_flush.c +++ b/tools/testing/selftests/kvm/x86/hyperv_tlb_flush.c @@ -142,17 +142,6 @@ static void swap_two_test_pages(gpa_t pte_gva1, gpa_t pte_gva2) } /* - * TODO: replace the silly NOP loop with a proper udelay() implementation. - */ -static inline void do_delay(void) -{ - int i; - - for (i = 0; i < 1000000; i++) - asm volatile("nop"); -} - -/* * Prepare to test: 'disable' workers by setting the expectation to '0', * clear hypercall input page and then swap two test pages. */ @@ -169,7 +158,7 @@ static inline void prepare_to_test(struct test_data *data) wmb(); /* Make sure workers have enough time to notice */ - do_delay(); + udelay(100); /* Swap test page mappings */ swap_two_test_pages(data->test_pages_pte[0], data->test_pages_pte[1]); @@ -189,7 +178,7 @@ static inline void post_test(struct test_data *data, u64 exp1, u64 exp2) set_expected_val((void *)data->test_pages, exp2, WORKER_VCPU_ID_2); /* Make sure workers have enough time to test */ - do_delay(); + udelay(100); } #define TESTVAL1 0x0101010101010101 |