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462990a40a85 with local (Exim 4.98.2) (envelope-from ) id 1xAFX1-00000000LL5-0KWu; Fri, 25 Sep 2026 23:40:43 +0000 Date: Sat, 26 Sep 2026 07:40:31 +0800 From: kernel test robot To: "Christian =?utf-8?Q?K=C3=B6nig"?= Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Dave Airlie Subject: error: couldn't allocate output register for constraint 'ZB' Message-ID: <202609260715.renJwQgG-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5fc5768c7ca92895ccd1de94dc521e5a55ae7896 commit: 4e28aa8f7ee26d67a4addee6e3980f1cbf861b49 drm/drm_exec: avoid indirect goto date: 3 months ago config: loongarch-randconfig-r1306-20260925 (https://download.01.org/0day-ci/archive/20260926/202609260715.renJwQgG-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260926/202609260715.renJwQgG-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Fixes: 4e28aa8f7ee2 ("drm/drm_exec: avoid indirect goto") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202609260715.renJwQgG-lkp@intel.com/ All error/warnings (new ones prefixed by >>): warning: overriding the module target triple with x86_64-unknown-linux-gnu [-Woverride-module] warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_vtdss.o': Linking two modules of different target triples: 'lib/kunit/test.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_vtdss.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_vtdss.o': Linking two modules of different target triples: 'lib/maple_tree.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_vtdss.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] >> warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_vtdss.o': Linking two modules of different target triples: 'mm/kasan/generic.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_vtdss.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] >> warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_vtdss.o': Linking two modules of different target triples: 'mm/kasan/shadow.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_vtdss.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_vtdss.o': Linking two modules of different target triples: 'mm/vmstat.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_vtdss.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] 'loongarch64' is not a recognized processor for this target (ignoring processor) '-d' is not a recognized feature for this target (ignoring feature) '-f' is not a recognized feature for this target (ignoring feature) '-ual' is not a recognized feature for this target (ignoring feature) 'loongarch64' is not a recognized processor for this target (ignoring processor) 'loongarch64' is not a recognized processor for this target (ignoring processor) '-d' is not a recognized feature for this target (ignoring feature) '-f' is not a recognized feature for this target (ignoring feature) '-ual' is not a recognized feature for this target (ignoring feature) 'loongarch64' is not a recognized processor for this target (ignoring processor) >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here >> :1:2: error: invalid instruction mnemonic 'dbar' dbar $16 ^~~~ error: cannot compile inline asm >> :1:2: error: invalid instruction mnemonic 'dbar' dbar $16 ^~~~ error: cannot compile inline asm >> :1:2: error: invalid instruction mnemonic 'dbar' dbar $16 ^~~~ error: cannot compile inline asm >> :1:2: error: invalid instruction mnemonic 'dbar' dbar $16 ^~~~ error: cannot compile inline asm >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here >> :1:2: error: invalid instruction mnemonic 'dbar' dbar $16 ^~~~ error: cannot compile inline asm >> :1:2: error: invalid instruction mnemonic 'dbar' dbar $16 ^~~~ error: cannot compile inline asm >> :1:2: error: invalid instruction mnemonic 'dbar' dbar $16 ^~~~ error: cannot compile inline asm >> :1:2: error: invalid instruction mnemonic 'dbar' dbar $16 ^~~~ error: cannot compile inline asm 6 warnings and 14 errors generated. -- warning: overriding the module target triple with x86_64-unknown-linux-gnu [-Woverride-module] warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_amdv1.o': Linking two modules of different target triples: 'lib/kunit/test.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_amdv1.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_amdv1.o': Linking two modules of different target triples: 'lib/maple_tree.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_amdv1.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] >> warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_amdv1.o': Linking two modules of different target triples: 'mm/kasan/generic.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_amdv1.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] >> warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_amdv1.o': Linking two modules of different target triples: 'mm/kasan/shadow.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_amdv1.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_amdv1.o': Linking two modules of different target triples: 'mm/vmstat.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_amdv1.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] 'loongarch64' is not a recognized processor for this target (ignoring processor) '-d' is not a recognized feature for this target (ignoring feature) '-f' is not a recognized feature for this target (ignoring feature) '-ual' is not a recognized feature for this target (ignoring feature) 'loongarch64' is not a recognized processor for this target (ignoring processor) 'loongarch64' is not a recognized processor for this target (ignoring processor) '-d' is not a recognized feature for this target (ignoring feature) '-f' is not a recognized feature for this target (ignoring feature) '-ual' is not a recognized feature for this target (ignoring feature) 'loongarch64' is not a recognized processor for this target (ignoring processor) >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here 6 warnings and 3 errors generated. -- warning: overriding the module target triple with x86_64-unknown-linux-gnu [-Woverride-module] warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_riscv64.o': Linking two modules of different target triples: 'lib/kunit/test.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_riscv64.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_riscv64.o': Linking two modules of different target triples: 'lib/maple_tree.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_riscv64.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] >> warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_riscv64.o': Linking two modules of different target triples: 'mm/kasan/generic.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_riscv64.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] >> warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_riscv64.o': Linking two modules of different target triples: 'mm/kasan/shadow.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_riscv64.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] warning: linking module 'drivers/iommu/generic_pt/fmt/kunit_iommu_riscv64.o': Linking two modules of different target triples: 'mm/vmstat.o' is 'loongarch64-unknown-linux-gnusf' whereas 'drivers/iommu/generic_pt/fmt/kunit_iommu_riscv64.o' is 'x86_64-unknown-linux-gnu' [-Wlinker-warnings] 'loongarch64' is not a recognized processor for this target (ignoring processor) '-d' is not a recognized feature for this target (ignoring feature) '-f' is not a recognized feature for this target (ignoring feature) '-ual' is not a recognized feature for this target (ignoring feature) 'loongarch64' is not a recognized processor for this target (ignoring processor) 'loongarch64' is not a recognized processor for this target (ignoring processor) '-d' is not a recognized feature for this target (ignoring feature) '-f' is not a recognized feature for this target (ignoring feature) '-ual' is not a recognized feature for this target (ignoring feature) 'loongarch64' is not a recognized processor for this target (ignoring processor) >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here >> error: couldn't allocate output register for constraint 'ZB' note: expanded from here 6 warnings and 2 errors generated. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki