Re: [PATCH -next 1/2] selftests: Fix vm_handle_exception undefined error

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Thanks. Got it.

在 2021/8/14 7:26, Paolo Bonzini 写道:
On 13/08/21 19:01, Shuah Khan wrote:
On 7/9/21 12:37 AM, Chen Lifu wrote:
Compile setftests on x86_64 occurs following error:
make -C tools/testing/selftests
...

x86_64/hyperv_features.c:618:2: warning: implicit declaration of function ‘vm_handle_exception’ [-Wimplicit-function-declaration]
   618 |  vm_handle_exception(vm, GP_VECTOR, guest_gp_handler);
/usr/bin/ld: /tmp/cclOnpml.o: in function `main':
tools/testing/selftests/kvm/x86_64/hyperv_features.c:618: undefined reference to `vm_handle_exception'
collect2: error: ld returned 1 exit status

The reason is that commit b78f4a596692 ("KVM: selftests: Rename vm_handle_exception") renamed "vm_handle_exception" function to "vm_install_exception_handler" function.

Fix it by replacing "vm_handle_exception" with "vm_install_exception_handler"
in corresponding selftests files.

Signed-off-by: Chen Lifu <chenlifu@xxxxxxxxxx>
---
  tools/testing/selftests/kvm/x86_64/hyperv_features.c | 2 +-
  tools/testing/selftests/kvm/x86_64/mmu_role_test.c   | 2 +-
  2 files changed, 2 insertions(+), 2 deletions(-)



Please include kvm in the commit summary. I think it is not getting
the right attention because of the summary line.

The same patch was already committed:

    commit f8f0edabcc09fafd695ed2adc0eb825104e35d5c
    Author: Marc Zyngier <maz@xxxxxxxxxx>
    Date:   Thu Jul 1 08:19:28 2021 +0100

   KVM: selftests: x86: Address missing vm_install_exception_handler conversions
    Commit b78f4a59669 ("KVM: selftests: Rename vm_handle_exception")
    raced with a couple of new x86 tests, missing two vm_handle_exception
    to vm_install_exception_handler conversions.
    Help the two broken tests to catch up with the new world.
    Cc: Andrew Jones <drjones@xxxxxxxxxx>
    CC: Ricardo Koller <ricarkol@xxxxxxxxxx>
    Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
    Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
    Message-Id: <20210701071928.2971053-1-maz@xxxxxxxxxx>
    Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
    Reviewed-by: Ricardo Koller <ricarkol@xxxxxxxxxx>
    Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

For the other patch, returning 0 is going to cause issues elsewhere
in the tests.  Either the test is failed immediately, or all callers
must be examined carefully.

Paolo

.



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