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Message-ID: <202501310838.EJsvg1L1-lkp@intel.com>
Date: Fri, 31 Jan 2025 08:48:27 +0800
From: kernel test robot <lkp@...el.com>
To: Charlie Jenkins <charlie@...osinc.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Ard Biesheuvel <ardb@...nel.org>,
Ben Dooks <ben.dooks@...ethink.co.uk>,
Pasha Bouzarjomehri <pasha@...osinc.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
Charlie Jenkins <charlie@...osinc.com>
Subject: Re: [PATCH v3] riscv: Add runtime constant support
Hi Charlie,
kernel test robot noticed the following build errors:
[auto build test ERROR on ffd294d346d185b70e28b1a28abe367bbfe53c04]
url: https://github.com/intel-lab-lkp/linux/commits/Charlie-Jenkins/riscv-Add-runtime-constant-support/20250129-040853
base: ffd294d346d185b70e28b1a28abe367bbfe53c04
patch link: https://lore.kernel.org/r/20250128-runtime_const_riscv-v3-1-11922989e2d3%40rivosinc.com
patch subject: [PATCH v3] riscv: Add runtime constant support
config: riscv-randconfig-001-20250131 (https://download.01.org/0day-ci/archive/20250131/202501310838.EJsvg1L1-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250131/202501310838.EJsvg1L1-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501310838.EJsvg1L1-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:812:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
812 | insw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:105:53: note: expanded from macro 'insw'
105 | #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from fs/dcache.c:29:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:820:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
820 | insl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl'
106 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from fs/dcache.c:29:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:829:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
829 | outsb(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb'
118 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from fs/dcache.c:29:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:838:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
838 | outsw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw'
119 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from fs/dcache.c:29:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:847:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
847 | outsl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl'
120 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from fs/dcache.c:29:
In file included from include/linux/security.h:35:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
>> fs/dcache.c:112:9: warning: unused variable '__tmp' [-Wunused-variable]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/runtime-const.h:13:21: note: expanded from macro 'runtime_const_ptr'
13 | typeof(sym) __ret, __tmp; \
| ^~~~~
>> fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
arch/riscv/include/asm/runtime-const.h:14:13: note: expanded from macro 'runtime_const_ptr'
14 | asm_inline("1:\t" \
| ^
<inline asm>:1:25: note: instantiated into assembly here
1 | 1: .option push.option norvclui s2,0x89abd
| ^
>> fs/dcache.c:112:9: error: invalid operand for instruction
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:17:26: note: expanded from macro 'runtime_const_ptr'
17 | "lui %[__ret],0x89abd\n\t" \
| ^
<inline asm>:2:10: note: instantiated into assembly here
2 | addi s2,-0x211
| ^
>> fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:18:26: note: expanded from macro 'runtime_const_ptr'
18 | "addi %[__ret],-0x211\n\t" \
| ^
<inline asm>:3:26: note: instantiated into assembly here
3 | .option pop.pushsection runtime_ptr_dentry_hashtable,"a"
| ^
>> fs/dcache.c:112:9: error: .popsection without corresponding .pushsection
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:21:18: note: expanded from macro 'runtime_const_ptr'
21 | ".long 1b - .\n\t" \
| ^
<inline asm>:5:13: note: instantiated into assembly here
5 | .popsection
| ^
>> fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:14:13: note: expanded from macro 'runtime_const_ptr'
14 | asm_inline("1:\t" \
| ^
<inline asm>:1:25: note: instantiated into assembly here
1 | 1: .option push.option norvclui a0,0x89abd
| ^
>> fs/dcache.c:112:9: error: invalid operand for instruction
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:17:26: note: expanded from macro 'runtime_const_ptr'
17 | "lui %[__ret],0x89abd\n\t" \
| ^
<inline asm>:2:10: note: instantiated into assembly here
2 | addi a0,-0x211
| ^
>> fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:18:26: note: expanded from macro 'runtime_const_ptr'
18 | "addi %[__ret],-0x211\n\t" \
| ^
<inline asm>:3:26: note: instantiated into assembly here
3 | .option pop.pushsection runtime_ptr_dentry_hashtable,"a"
| ^
>> fs/dcache.c:112:9: error: .popsection without corresponding .pushsection
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:21:18: note: expanded from macro 'runtime_const_ptr'
21 | ".long 1b - .\n\t" \
| ^
<inline asm>:5:13: note: instantiated into assembly here
5 | .popsection
| ^
>> fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:14:13: note: expanded from macro 'runtime_const_ptr'
14 | asm_inline("1:\t" \
| ^
<inline asm>:1:25: note: instantiated into assembly here
1 | 1: .option push.option norvclui a5,0x89abd
| ^
>> fs/dcache.c:112:9: error: invalid operand for instruction
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:17:26: note: expanded from macro 'runtime_const_ptr'
17 | "lui %[__ret],0x89abd\n\t" \
| ^
<inline asm>:2:10: note: instantiated into assembly here
2 | addi a5,-0x211
| ^
>> fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:18:26: note: expanded from macro 'runtime_const_ptr'
18 | "addi %[__ret],-0x211\n\t" \
| ^
<inline asm>:3:26: note: instantiated into assembly here
3 | .option pop.pushsection runtime_ptr_dentry_hashtable,"a"
| ^
>> fs/dcache.c:112:9: error: .popsection without corresponding .pushsection
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:21:18: note: expanded from macro 'runtime_const_ptr'
21 | ".long 1b - .\n\t" \
| ^
<inline asm>:5:13: note: instantiated into assembly here
5 | .popsection
| ^
>> fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:14:13: note: expanded from macro 'runtime_const_ptr'
14 | asm_inline("1:\t" \
| ^
<inline asm>:1:25: note: instantiated into assembly here
1 | 1: .option push.option norvclui a1,0x89abd
| ^
>> fs/dcache.c:112:9: error: invalid operand for instruction
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:17:26: note: expanded from macro 'runtime_const_ptr'
17 | "lui %[__ret],0x89abd\n\t" \
| ^
<inline asm>:2:10: note: instantiated into assembly here
2 | addi a1,-0x211
| ^
>> fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:18:26: note: expanded from macro 'runtime_const_ptr'
18 | "addi %[__ret],-0x211\n\t" \
| ^
<inline asm>:3:26: note: instantiated into assembly here
3 | .option pop.pushsection runtime_ptr_dentry_hashtable,"a"
| ^
>> fs/dcache.c:112:9: error: .popsection without corresponding .pushsection
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:21:18: note: expanded from macro 'runtime_const_ptr'
21 | ".long 1b - .\n\t" \
| ^
<inline asm>:5:13: note: instantiated into assembly here
5 | .popsection
| ^
>> fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:14:13: note: expanded from macro 'runtime_const_ptr'
14 | asm_inline("1:\t" \
| ^
<inline asm>:1:25: note: instantiated into assembly here
1 | 1: .option push.option norvclui a0,0x89abd
| ^
>> fs/dcache.c:112:9: error: invalid operand for instruction
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:17:26: note: expanded from macro 'runtime_const_ptr'
17 | "lui %[__ret],0x89abd\n\t" \
| ^
<inline asm>:2:10: note: instantiated into assembly here
2 | addi a0,-0x211
| ^
>> fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:18:26: note: expanded from macro 'runtime_const_ptr'
18 | "addi %[__ret],-0x211\n\t" \
| ^
<inline asm>:3:26: note: instantiated into assembly here
3 | .option pop.pushsection runtime_ptr_dentry_hashtable,"a"
| ^
fs/dcache.c:112:9: error: .popsection without corresponding .pushsection
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:21:18: note: expanded from macro 'runtime_const_ptr'
21 | ".long 1b - .\n\t" \
| ^
<inline asm>:5:13: note: instantiated into assembly here
5 | .popsection
| ^
fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:14:13: note: expanded from macro 'runtime_const_ptr'
14 | asm_inline("1:\t" \
| ^
<inline asm>:1:25: note: instantiated into assembly here
1 | 1: .option push.option norvclui s2,0x89abd
| ^
fs/dcache.c:112:9: error: invalid operand for instruction
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:17:26: note: expanded from macro 'runtime_const_ptr'
17 | "lui %[__ret],0x89abd\n\t" \
| ^
<inline asm>:2:10: note: instantiated into assembly here
2 | addi s2,-0x211
| ^
fs/dcache.c:112:9: warning: unknown option, expected 'push', 'pop', 'rvc', 'norvc', 'arch', 'relax' or 'norelax' [-Winline-asm]
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:18:26: note: expanded from macro 'runtime_const_ptr'
18 | "addi %[__ret],-0x211\n\t" \
| ^
<inline asm>:3:26: note: instantiated into assembly here
3 | .option pop.pushsection runtime_ptr_dentry_hashtable,"a"
| ^
fs/dcache.c:112:9: error: .popsection without corresponding .pushsection
112 | return runtime_const_ptr(dentry_hashtable) +
| ^
arch/riscv/include/asm/runtime-const.h:21:18: note: expanded from macro 'runtime_const_ptr'
21 | ".long 1b - .\n\t" \
| ^
<inline asm>:5:13: note: instantiated into assembly here
5 | .popsection
| ^
20 warnings and 12 errors generated.
vim +/__tmp +112 fs/dcache.c
ceb5bdc2d246f6 Nicholas Piggin 2011-01-07 109
e60cc61153e61e Linus Torvalds 2024-06-10 110 static inline struct hlist_bl_head *d_hash(unsigned long hashlen)
ceb5bdc2d246f6 Nicholas Piggin 2011-01-07 111 {
e78298556ee5d8 Linus Torvalds 2024-06-04 @112 return runtime_const_ptr(dentry_hashtable) +
e78298556ee5d8 Linus Torvalds 2024-06-04 113 runtime_const_shift_right_32(hashlen, d_hash_shift);
ceb5bdc2d246f6 Nicholas Piggin 2011-01-07 114 }
ceb5bdc2d246f6 Nicholas Piggin 2011-01-07 115
--
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