* Re: [PATCH v3 2/3] swiotlb: dma: its: Enforce host page-size alignment for shared buffers [not found] <20260309102625.2315725-3-aneesh.kumar@kernel.org> @ 2026-03-09 15:55 ` kernel test robot 2026-03-23 13:52 ` Aneesh Kumar K.V 0 siblings, 1 reply; 2+ messages in thread From: kernel test robot @ 2026-03-09 15:55 UTC (permalink / raw) To: Aneesh Kumar K.V (Arm), linux-kernel, iommu, linux-coco, linux-arm-kernel, kvmarm Cc: llvm, oe-kbuild-all, Aneesh Kumar K.V (Arm), Marc Zyngier, Thomas Gleixner, Catalin Marinas, Will Deacon, Jason Gunthorpe, Marek Szyprowski, Robin Murphy, Steven Price, Suzuki K Poulose Hi Aneesh, kernel test robot noticed the following build errors: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on tip/irq/core arm/for-next arm/fixes kvmarm/next soc/for-next linus/master v7.0-rc3 next-20260306] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Aneesh-Kumar-K-V-Arm/dma-direct-swiotlb-handle-swiotlb-alloc-free-outside-__dma_direct_alloc_pages/20260309-182834 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20260309102625.2315725-3-aneesh.kumar%40kernel.org patch subject: [PATCH v3 2/3] swiotlb: dma: its: Enforce host page-size alignment for shared buffers config: i386-randconfig-012-20260309 (https://download.01.org/0day-ci/archive/20260309/202603092320.JgtItJg0-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260309/202603092320.JgtItJg0-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 | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202603092320.JgtItJg0-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/x86/kernel/asm-offsets.c:9: In file included from include/linux/crypto.h:15: In file included from include/linux/completion.h:12: In file included from include/linux/swait.h:7: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:18: In file included from arch/x86/include/asm/irqflags.h:5: In file included from arch/x86/include/asm/processor-flags.h:6: >> include/linux/mem_encrypt.h:60:9: error: use of undeclared identifier 'PAGE_SIZE' 60 | return PAGE_SIZE; | ^ >> include/linux/mem_encrypt.h:66:9: error: call to undeclared function 'ALIGN'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 66 | return ALIGN(size, mem_decrypt_granule_size()); | ^ In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:17: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:17: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:17: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 114 | return (set1->sig[3] == set2->sig[3]) && | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:17: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 114 | return (set1->sig[3] == set2->sig[3]) && | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:17: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:115:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 115 | (set1->sig[2] == set2->sig[2]) && | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:17: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:115:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 115 | (set1->sig[2] == set2->sig[2]) && vim +/PAGE_SIZE +60 include/linux/mem_encrypt.h 56 57 #ifndef mem_decrypt_granule_size 58 static inline size_t mem_decrypt_granule_size(void) 59 { > 60 return PAGE_SIZE; 61 } 62 #endif 63 64 static inline size_t mem_decrypt_align(size_t size) 65 { > 66 return ALIGN(size, mem_decrypt_granule_size()); 67 } 68 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH v3 2/3] swiotlb: dma: its: Enforce host page-size alignment for shared buffers 2026-03-09 15:55 ` [PATCH v3 2/3] swiotlb: dma: its: Enforce host page-size alignment for shared buffers kernel test robot @ 2026-03-23 13:52 ` Aneesh Kumar K.V 0 siblings, 0 replies; 2+ messages in thread From: Aneesh Kumar K.V @ 2026-03-23 13:52 UTC (permalink / raw) To: kernel test robot, linux-kernel, iommu, linux-coco, linux-arm-kernel, kvmarm Cc: llvm, oe-kbuild-all, Marc Zyngier, Thomas Gleixner, Catalin Marinas, Will Deacon, Jason Gunthorpe, Marek Szyprowski, Robin Murphy, Steven Price, Suzuki K Poulose kernel test robot <lkp@intel.com> writes: > Hi Aneesh, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on arm64/for-next/core] > [also build test ERROR on tip/irq/core arm/for-next arm/fixes kvmarm/next soc/for-next linus/master v7.0-rc3 next-20260306] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Aneesh-Kumar-K-V-Arm/dma-direct-swiotlb-handle-swiotlb-alloc-free-outside-__dma_direct_alloc_pages/20260309-182834 > base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core > patch link: https://lore.kernel.org/r/20260309102625.2315725-3-aneesh.kumar%40kernel.org > patch subject: [PATCH v3 2/3] swiotlb: dma: its: Enforce host page-size alignment for shared buffers > config: i386-randconfig-012-20260309 (https://download.01.org/0day-ci/archive/20260309/202603092320.JgtItJg0-lkp@intel.com/config) > compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260309/202603092320.JgtItJg0-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 > | Reported-by: kernel test robot <lkp@intel.com> > | Closes: https://lore.kernel.org/oe-kbuild-all/202603092320.JgtItJg0-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > In file included from arch/x86/kernel/asm-offsets.c:9: > In file included from include/linux/crypto.h:15: > In file included from include/linux/completion.h:12: > In file included from include/linux/swait.h:7: > In file included from include/linux/spinlock.h:59: > In file included from include/linux/irqflags.h:18: > In file included from arch/x86/include/asm/irqflags.h:5: > In file included from arch/x86/include/asm/processor-flags.h:6: >>> include/linux/mem_encrypt.h:60:9: error: use of undeclared identifier 'PAGE_SIZE' > 60 | return PAGE_SIZE; > | ^ >>> include/linux/mem_encrypt.h:66:9: error: call to undeclared function 'ALIGN'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 66 | return ALIGN(size, mem_decrypt_granule_size()); > | ^ > Fixed this by including modified include/linux/mem_encrypt.h @@ -11,6 +11,8 @@ #define __MEM_ENCRYPT_H__ #ifndef __ASSEMBLY__ +#include <linux/align.h> +#include <vdso/page.h> #ifdef CONFIG_ARCH_HAS_MEM_ENCRYPT Will include this in the next patch update. The other alternative is to switch that to a macro modified include/linux/mem_encrypt.h @@ -55,16 +55,10 @@ #endif #ifndef mem_decrypt_granule_size -static inline size_t mem_decrypt_granule_size(void) -{ - return PAGE_SIZE; -} +#define mem_decrypt_granule_size() PAGE_SIZE #endif -static inline size_t mem_decrypt_align(size_t size) -{ - return ALIGN(size, mem_decrypt_granule_size()); -} +#define mem_decrypt_align(size) ALIGN((size), mem_decrypt_granule_size()) ^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <20260309102625.2315725-3-aneesh.kumar@kernel.org>
2026-03-09 15:55 ` [PATCH v3 2/3] swiotlb: dma: its: Enforce host page-size alignment for shared buffers kernel test robot
2026-03-23 13:52 ` Aneesh Kumar K.V
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