[openeuler:OLK-6.6 1613/1613] drivers/irqchip/irq-gic-v3.c:1036:23: error: call to undeclared function 'pde_data'; ISO C99 and later do not support implicit function declarations - Kernel

10 Dec 2024


      tree:   https://gitee.com/openeuler/kernel.git OLK-6.6
head:   db988390007bce595dba0dfd782c610578e26d2d
commit: 3053668e6b211924bb67c19d791a5a532eca2ad8 [1613/1613] arm64: Introduce Xint software solution
config: arm64-randconfig-003-20241210 (https://download.01.org/0day-ci/archive/20241210/202412100826.ymHdQKlB-lkp@i...)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241210/202412100826.ymHdQKlB-lkp@i...)
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/202412100826.ymHdQKlB-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/irqchip/irq-gic-v3.c:25:
   In file included from include/linux/irqchip/arm-gic-v3.h:632:
   In file included from arch/arm64/include/asm/arch_gicv3.h:17:
   In file included from arch/arm64/include/asm/cacheflush.h:11:
   In file included from include/linux/kgdb.h:19:
   In file included from include/linux/kprobes.h:28:
   In file included from include/linux/ftrace.h:13:
   In file included from include/linux/kallsyms.h:13:
   In file included from include/linux/mm.h:2247:
   include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     508 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     509 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     515 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     516 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     522 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     527 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     528 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     536 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     537 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
...
...
drivers/irqchip/irq-gic-v3.c:1036:23: error: call to undeclared function 'pde_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1036 |         int irq = (int)(long)pde_data(file_inode(file));
         |                              ^
...
...
drivers/irqchip/irq-gic-v3.c:1074:2: error: call to undeclared function 'seq_printf'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1074 |         seq_printf(m, "%d\n", xint_transform((long)m->private, XINT_SET_CHECK));
         |         ^
...
...
drivers/irqchip/irq-gic-v3.c:1074:46: error: incomplete definition of type 'struct seq_file'
1074 |         seq_printf(m, "%d\n", xint_transform((long)m->private, XINT_SET_CHECK));
         |                                                    ~^
   arch/arm64/include/asm/smp.h:56:8: note: forward declaration of 'struct seq_file'
      56 | struct seq_file;
         |        ^
...
...
drivers/irqchip/irq-gic-v3.c:1080:9: error: call to undeclared function 'single_open'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1080 |         return single_open(file, xint_proc_show, pde_data(inode));
         |                ^
   drivers/irqchip/irq-gic-v3.c:1080:9: note: did you mean 'simple_open'?
   include/linux/fs.h:3226:12: note: 'simple_open' declared here
    3226 | extern int simple_open(struct inode *inode, struct file *file);
         |            ^
   drivers/irqchip/irq-gic-v3.c:1080:43: error: call to undeclared function 'pde_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    1080 |         return single_open(file, xint_proc_show, pde_data(inode));
         |                                                  ^
...
...
drivers/irqchip/irq-gic-v3.c:1085:15: error: use of undeclared identifier 'seq_read'
1085 |         .proc_read      = seq_read,
         |                           ^
...
...
drivers/irqchip/irq-gic-v3.c:1086:16: error: use of undeclared identifier 'seq_lseek'
1086 |         .proc_lseek     = seq_lseek,
         |                           ^
...
...
drivers/irqchip/irq-gic-v3.c:1087:18: error: use of undeclared identifier 'single_release'
1087 |         .proc_release   = single_release,
         |                           ^
...
...
drivers/irqchip/irq-gic-v3.c:1083:30: error: variable has incomplete type 'const struct proc_ops'
1083 | static const struct proc_ops xint_proc_ops = {
         |                              ^
   drivers/irqchip/irq-gic-v3.c:1083:21: note: forward declaration of 'struct proc_ops'
    1083 | static const struct proc_ops xint_proc_ops = {
         |                     ^
...
...
drivers/irqchip/irq-gic-v3.c:1097:2: error: call to undeclared function 'proc_create_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1097 |         proc_create_data("xint", 0644, desc->dir, &xint_proc_ops, irqp);
         |         ^
...
...
drivers/irqchip/irq-gic-v3.c:1097:39: error: no member named 'dir' in 'struct irq_desc'
1097 |         proc_create_data("xint", 0644, desc->dir, &xint_proc_ops, irqp);
         |                                        ~~~~  ^
...
...
drivers/irqchip/irq-gic-v3.c:1105:2: error: call to undeclared function 'remove_proc_entry'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1105 |         remove_proc_entry("xint", desc->dir);
         |         ^
   drivers/irqchip/irq-gic-v3.c:1105:34: error: no member named 'dir' in 'struct irq_desc'
    1105 |         remove_proc_entry("xint", desc->dir);
         |                                   ~~~~  ^
   5 warnings and 13 errors generated.
vim +/pde_data +1036 drivers/irqchip/irq-gic-v3.c
1032	
  1033	static ssize_t xint_proc_write(struct file *file,
  1034			const char __user *buffer, size_t count, loff_t *pos)
  1035	{
...
1036		int irq = (int)(long)pde_data(file_inode(file));
1037		bool xint_state = false;
  1038		unsigned long val;
  1039		char *buf = NULL;
  1040	
  1041		if (!xint_transform(irq, XINT_RANGE_CHECK))
  1042			return -EPERM;
  1043	
  1044		buf = memdup_user_nul(buffer, count);
  1045		if (IS_ERR(buf))
  1046			return PTR_ERR(buf);
  1047	
  1048		if (kstrtoul(buf, 0, &val) || (val != 0 && val != 1)) {
  1049			kfree(buf);
  1050			return -EINVAL;
  1051		}
  1052	
  1053		xint_state = xint_transform(irq, XINT_SET_CHECK);
  1054		if (xint_state == val) {
  1055			kfree(buf);
  1056			return -EBUSY;
  1057		}
  1058	
  1059		local_irq_disable();
  1060		disable_irq(irq);
  1061	
  1062		xint_transform(irq, xint_state ? XINT_TO_IRQ : IRQ_TO_XINT);
  1063	
  1064		enable_irq(irq);
  1065		local_irq_enable();
  1066	
  1067		kfree(buf);
  1068	
  1069		return count;
  1070	}
  1071	
  1072	static int xint_proc_show(struct seq_file *m, void *v)
  1073	{
...
1074		seq_printf(m, "%d\n", xint_transform((long)m->private, XINT_SET_CHECK));
1075		return 0;
  1076	}
  1077	
  1078	static int xint_proc_open(struct inode *inode, struct file *file)
  1079	{
...
1080		return single_open(file, xint_proc_show, pde_data(inode));
1081	}
  1082
...
1083	static const struct proc_ops xint_proc_ops = {
1084		.proc_open	= xint_proc_open,
...
1085		.proc_read	= seq_read,
1086		.proc_lseek	= seq_lseek,
1087		.proc_release	= single_release,
1088		.proc_write	= xint_proc_write,
  1089	};
  1090	
  1091	void register_irqchip_proc(struct irq_desc *desc, void *irqp)
  1092	{
  1093		if (!is_xint_support)
  1094			return;
  1095	
  1096		/* create /proc/irq/<irq>/xint */
...
1097		proc_create_data("xint", 0644, desc->dir, &xint_proc_ops, irqp);
1098	}
  1099	
  1100	void unregister_irqchip_proc(struct irq_desc *desc)
  1101	{
  1102		if (!is_xint_support)
  1103			return;
  1104
...
1105		remove_proc_entry("xint", desc->dir);
1106	}
  1107	#endif /* CONFIG_FAST_IRQ */
  1108
-- 
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