[PATCH v5 6/7] KVM: selftest: Drop now-unnecessary ucall_uninit()

Andrew Jones andrew.jones at linux.dev
Mon Aug 29 09:21:11 PDT 2022


On Thu, Aug 25, 2022 at 11:25:21PM +0000, Sean Christopherson wrote:
> Drop ucall_uninit() and ucall_arch_uninit() now that ARM doesn't modify
> the host's copy of ucall_exit_mmio_addr, i.e. now that there's no need to
> reset the pointer before potentially creating a new VM.  The few calls to
> ucall_uninit() are all immediately followed by kvm_vm_free(), and that is
> likely always going to hold true, i.e. it's extremely unlikely a test
> will want to effectively disable ucall in the middle of a test.
> 
> Signed-off-by: Sean Christopherson <seanjc at google.com>
> ---
>  tools/testing/selftests/kvm/dirty_log_test.c       |  1 -
>  tools/testing/selftests/kvm/include/ucall_common.h |  6 ------
>  tools/testing/selftests/kvm/kvm_page_table_test.c  |  1 -
>  tools/testing/selftests/kvm/lib/aarch64/ucall.c    | 14 ++------------
>  tools/testing/selftests/kvm/lib/perf_test_util.c   |  1 -
>  tools/testing/selftests/kvm/lib/riscv/ucall.c      |  4 ----
>  tools/testing/selftests/kvm/lib/s390x/ucall.c      |  4 ----
>  tools/testing/selftests/kvm/lib/x86_64/ucall.c     |  4 ----
>  8 files changed, 2 insertions(+), 33 deletions(-)
>

Reviewed-by: Andrew Jones <andrew.jones at linux.dev>



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