Re: [PATCH 01/14] KVM: selftests: Define literal to asm constraint in aarch64 as unsigned long

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On 13/12/22 01:16, Sean Christopherson wrote:
Define a literal '0' asm input constraint to aarch64/page_fault_test's
guest_cas() as an unsigned long to make clang happy.

   tools/testing/selftests/kvm/aarch64/page_fault_test.c:120:16: error:
     value size does not match register size specified by the constraint
     and modifier [-Werror,-Wasm-operand-widths]
                        :: "r" (0), "r" (TEST_DATA), "r" (guest_test_memory));
                                ^
   tools/testing/selftests/kvm/aarch64/page_fault_test.c:119:15: note:
     use constraint modifier "w"
                        "casal %0, %1, [%2]\n"
                               ^~
                               %w0

Fixes: 35c581015712 ("KVM: selftests: aarch64: Add aarch64/page_fault_test")
Cc: Ricardo Koller <ricarkol@xxxxxxxxxx>
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
  tools/testing/selftests/kvm/aarch64/page_fault_test.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>




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