[kvm-unit-tests PATCH 18/39] x86/access: Remove manual override of PUD/PMD in prefetch sub-test
From: Sean Christopherson <seanjc@google.com>
Date: 2021-11-25 01:59:53
Subsystem:
the rest · Maintainer:
Linus Torvalds
Drop the overrides from the check_pfec_on_prefetch_pte() test now that pre-allocating page tables will naturally have them use the same PUD and PMD entries. Signed-off-by: Sean Christopherson <seanjc@google.com> --- x86/access.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/x86/access.c b/x86/access.c
index 3e1a684..956a450 100644
--- a/x86/access.c
+++ b/x86/access.c@@ -957,10 +957,10 @@ static int check_pfec_on_prefetch_pte(ac_pt_env_t *pt_env) __ac_test_init(&at2, 0xffff923406003000ul, pt_env, &at1); at1.flags = AC_PDE_PRESENT_MASK | AC_PTE_PRESENT_MASK; - ac_setup_specific_pages(&at1, 30 * 1024 * 1024, 30 * 1024 * 1024); + ac_setup_specific_pages(&at1, 0, 0); at2.flags = at1.flags | AC_PTE_NX_MASK; - ac_setup_specific_pages(&at2, 30 * 1024 * 1024, 30 * 1024 * 1024); + ac_setup_specific_pages(&at2, 0, 0); if (!ac_test_do_access(&at1)) { printf("%s: prepare fail\n", __FUNCTION__);
--
2.34.0.rc2.393.gf8c9666880-goog