From: kernel test robot <lkp@intel.com>
To: "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>,
linux-kernel@vger.kernel.org, iommu@lists.linux.dev,
linux-coco@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
kvmarm@lists.linux.dev
Cc: oe-kbuild-all@lists.linux.dev,
"Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>,
Marc Zyngier <maz@kernel.org>, Thomas Gleixner <tglx@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Jason Gunthorpe <jgg@ziepe.ca>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
Steven Price <steven.price@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>
Subject: Re: [PATCH v3 2/3] swiotlb: dma: its: Enforce host page-size alignment for shared buffers
Date: Mon, 9 Mar 2026 14:54:35 +0100 [thread overview]
Message-ID: <202603091444.4H1PFs01-lkp@intel.com> (raw)
In-Reply-To: <20260309102625.2315725-3-aneesh.kumar@kernel.org>
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: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260309/202603091444.4H1PFs01-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260309/202603091444.4H1PFs01-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/202603091444.4H1PFs01-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[1]') [-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[1]') [-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:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
99 | set->sig[1] | set->sig[0]) == 0;
| ^ ~
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:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
101 | return (set->sig[1] | set->sig[0]) == 0;
| ^ ~
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[1]') [-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[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
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
next prev parent reply other threads:[~2026-03-09 13:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-09 10:26 [PATCH v3 0/3] Enforce host page-size alignment for shared buffers Aneesh Kumar K.V (Arm)
2026-03-09 10:26 ` [PATCH v3 1/3] dma-direct: swiotlb: handle swiotlb alloc/free outside __dma_direct_alloc_pages Aneesh Kumar K.V (Arm)
2026-03-09 10:26 ` [PATCH v3 2/3] swiotlb: dma: its: Enforce host page-size alignment for shared buffers Aneesh Kumar K.V (Arm)
2026-03-09 13:54 ` kernel test robot [this message]
2026-03-09 14:55 ` kernel test robot
2026-03-09 15:44 ` kernel test robot
2026-03-09 15:55 ` kernel test robot
2026-03-23 13:52 ` Aneesh Kumar K.V
2026-03-09 10:26 ` [PATCH v3 3/3] coco: guest: arm64: Add Realm Host Interface and hostconf RHI Aneesh Kumar K.V (Arm)
2026-03-09 10:50 ` Suzuki K Poulose
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