Re: [RFC V2 PATCH 2/8] selftests: kvm: Add a basic selftest to test private memory

From: Shuah Khan
Date: Thu May 12 2022 - 13:29:17 EST


On 5/10/22 6:08 PM, Vishal Annapurve wrote:
Add KVM selftest to access private memory privately
from the guest to test that memory updates from guest
and userspace vmm don't affect each other.

Signed-off-by: Vishal Annapurve <vannapurve@xxxxxxxxxx>
---
tools/testing/selftests/kvm/Makefile | 1 +
tools/testing/selftests/kvm/priv_memfd_test.c | 283 ++++++++++++++++++
2 files changed, 284 insertions(+)
create mode 100644 tools/testing/selftests/kvm/priv_memfd_test.c

diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index 21c2dbd21a81..f2f9a8546c66 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -97,6 +97,7 @@ TEST_GEN_PROGS_x86_64 += max_guest_memory_test
TEST_GEN_PROGS_x86_64 += memslot_modification_stress_test
TEST_GEN_PROGS_x86_64 += memslot_perf_test
TEST_GEN_PROGS_x86_64 += rseq_test
+TEST_GEN_PROGS_x86_64 += priv_memfd_test

Add this new exexcutable to .gitignore - Also make sure if there any
error paths that should return skip and not fail in case of unmet
dependencies.

Looks good otherwise.

Reviewed-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>

thanks,
-- Shuah