linux-kernel - [PATCH v2 1/7] KVM: selftests: Fix build due to ucall

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Date:   Fri,  9 Dec 2022 01:53:00 +0000
From:   Oliver Upton <oliver.upton@...ux.dev>
To:     Marc Zyngier <maz@...nel.org>, James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Oliver Upton <oliver.upton@...ux.dev>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Shuah Khan <shuah@...nel.org>,
        Sean Christopherson <seanjc@...gle.com>,
        Andrew Jones <andrew.jones@...ux.dev>,
        Ricardo Koller <ricarkol@...gle.com>
Cc:     linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        kvm@...r.kernel.org, kvmarm@...ts.linux.dev,
        Mark Brown <broonie@...nel.org>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/7] KVM: selftests: Fix build due to ucall_uninit() removal

From: Mark Brown <broonie@...nel.org>

Today's -next fails to build on arm64 due to:

In file included from include/kvm_util.h:11,
                 from aarch64/page_fault_test.c:15:
include/ucall_common.h:36:47: note: expected ‘vm_paddr_t’ {aka ‘long unsigned int’} but argument is of type ‘void *’
   36 | void ucall_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa);
      |                                    ~~~~~~~~~~~^~~~~~~~
aarch64/page_fault_test.c:725:2: warning: implicit declaration of function ‘ucall_uninit’; did you mean ‘ucall_init’? [-Wimplicit-function-declaration]
  725 |  ucall_uninit(vm);
      |  ^~~~~~~~~~~~
      |  ucall_init

which is caused by commit

interacting poorly with commit

   28a65567acb5 ("KVM: selftests: Drop now-unnecessary ucall_uninit()")

As is done for other ucall_uninit() users remove the call in the newly added
page_fault_test.c.

Fixes: 28a65567acb5 ("KVM: selftests: Drop now-unnecessary ucall_uninit()")
Fixes: 35c581015712 ("KVM: selftests: aarch64: Add aarch64/page_fault_test")
Signed-off-by: Mark Brown <broonie@...nel.org>
Cc: Sean Christopherson <seanjc@...gle.com>
Cc: Ricardo Koller <ricarkol@...gle.com>
Cc: Marc Zyngier <maz@...nel.org>
Signed-off-by: Oliver Upton <oliver.upton@...ux.dev>
---
 tools/testing/selftests/kvm/aarch64/page_fault_test.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tools/testing/selftests/kvm/aarch64/page_fault_test.c b/tools/testing/selftests/kvm/aarch64/page_fault_test.c
index 0cda70bef5d5..92d3a91153b6 100644
--- a/tools/testing/selftests/kvm/aarch64/page_fault_test.c
+++ b/tools/testing/selftests/kvm/aarch64/page_fault_test.c
@@ -722,7 +722,6 @@ static void run_test(enum vm_guest_mode mode, void *arg)
 
 	vcpu_run_loop(vm, vcpu, test);
 
-	ucall_uninit(vm);
 	kvm_vm_free(vm);
 	free_uffd(test, pt_uffd, data_uffd);
 
-- 
2.39.0.rc1.256.g54fd8350bd-goog