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bh=DOvY7w0rRl2MxDLB0k3o2yUeh+erpcmsWDFuA702T6s=; b=H02gZLfINWPvRgaltAE9MsTJuORN0aRt1Sbr0SziEyQ799SvZg6dpWLkQuHY2NpG/M TR9xR7eYX5vRUgeTnvlvbeBu4+7nkH/3oWfT5Sq76SwUNPAZs7bQDCE2GT7HderjMdNK v6JdCnxxUdOdesr5jctkeOmsXFRHJA+OyhdwOe3F8gaN1+TDtL4OZG9nX3qcGmNsoXGB a4gsH+JcssjAbDQ7i6cdoN5v3Zq6qlkRVsTj7+EyUypKOww4GP6E+5vSTYFAyCKsfDQI QaQg/wiV0Mplx+pApt/eUfMXWmYrY2bzGcx/BnnHRSCgILzJZvMaMR/BsMApbG+TH+pR tW1w== X-Gm-Message-State: ANoB5pkQChayC2e6ZtPk1EqfmVfsLM9DW+uaCSgvUkxFnd853Dg0stnL xmE2+AzbeZ0hs+943JOSYkySl3FZCRk= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:aa7:9629:0:b0:576:8cdd:3f26 with SMTP id r9-20020aa79629000000b005768cdd3f26mr26606972pfg.59.1670890618334; Mon, 12 Dec 2022 16:16:58 -0800 (PST) Reply-To: Sean Christopherson Date: Tue, 13 Dec 2022 00:16:40 +0000 In-Reply-To: <20221213001653.3852042-1-seanjc@google.com> Mime-Version: 1.0 References: <20221213001653.3852042-1-seanjc@google.com> X-Mailer: git-send-email 2.39.0.rc1.256.g54fd8350bd-goog Message-ID: <20221213001653.3852042-2-seanjc@google.com> Subject: [PATCH 01/14] KVM: selftests: Define literal to asm constraint in aarch64 as unsigned long From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Paul Walmsley , Palmer Dabbelt , Albert Ou , Nathan Chancellor , Nick Desaulniers Cc: James Morse , Alexandru Elisei , Suzuki K Poulose , Oliver Upton , Tom Rix , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-riscv@lists.infradead.org, llvm@lists.linux.dev, linux-kernel@vger.kernel.org, Ricardo Koller , Sean Christopherson , Aaron Lewis , Raghavendra Rao Ananta X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1752055896258047408?= X-GMAIL-MSGID: =?utf-8?q?1752055896258047408?= 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 Signed-off-by: Sean Christopherson Reviewed-by: Philippe Mathieu-Daudé --- tools/testing/selftests/kvm/aarch64/page_fault_test.c | 2 +- 1 file changed, 1 insertion(+), 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 95d22cfb7b41..beb944fa6fd4 100644 --- a/tools/testing/selftests/kvm/aarch64/page_fault_test.c +++ b/tools/testing/selftests/kvm/aarch64/page_fault_test.c @@ -117,7 +117,7 @@ static void guest_cas(void) GUEST_ASSERT(guest_check_lse()); asm volatile(".arch_extension lse\n" "casal %0, %1, [%2]\n" - :: "r" (0), "r" (TEST_DATA), "r" (guest_test_memory)); + :: "r" (0ul), "r" (TEST_DATA), "r" (guest_test_memory)); val = READ_ONCE(*guest_test_memory); GUEST_ASSERT_EQ(val, TEST_DATA); }