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authorJing Zhang <jingzhangos@google.com>2022-01-18 01:57:03 +0000
committerMarc Zyngier <maz@kernel.org>2022-02-08 14:27:53 +0000
commitc340f7899af6f83bd937f8838949bb32da54c8a4 (patch)
treee22f0501dc35e34d5d7efab47c75a4399976e3c0 /tools
parentf783ef1c0e82e4fc311a972472ff61f6d1d0e22d (diff)
downloadlinux-c340f7899af6f83bd937f8838949bb32da54c8a4.tar.bz2
KVM: selftests: Add vgic initialization for dirty log perf test for ARM
For ARM64, if no vgic is setup before the dirty log perf test, the userspace irqchip would be used, which would affect the dirty log perf test result. Signed-off-by: Jing Zhang <jingzhangos@google.com> Tested-by: Fuad Tabba <tabba@google.com> Reviewed-by: Fuad Tabba <tabba@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220118015703.3630552-4-jingzhangos@google.com
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/kvm/dirty_log_perf_test.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/dirty_log_perf_test.c b/tools/testing/selftests/kvm/dirty_log_perf_test.c
index 1954b964d1cf..b501338d9430 100644
--- a/tools/testing/selftests/kvm/dirty_log_perf_test.c
+++ b/tools/testing/selftests/kvm/dirty_log_perf_test.c
@@ -18,6 +18,12 @@
#include "test_util.h"
#include "perf_test_util.h"
#include "guest_modes.h"
+#ifdef __aarch64__
+#include "aarch64/vgic.h"
+
+#define GICD_BASE_GPA 0x8000000ULL
+#define GICR_BASE_GPA 0x80A0000ULL
+#endif
/* How many host loops to run by default (one KVM_GET_DIRTY_LOG for each loop)*/
#define TEST_HOST_LOOP_N 2UL
@@ -200,6 +206,10 @@ static void run_test(enum vm_guest_mode mode, void *arg)
vm_enable_cap(vm, &cap);
}
+#ifdef __aarch64__
+ vgic_v3_setup(vm, nr_vcpus, 64, GICD_BASE_GPA, GICR_BASE_GPA);
+#endif
+
/* Start the iterations */
iteration = 0;
host_quit = false;