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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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fae8d206a1
Remove no longer used dynamic debug control variables. The definitions were removed a while ago, but we forgot to clean up the extern references. Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
#ifndef _DYNAMIC_DEBUG_H
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#define _DYNAMIC_DEBUG_H
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/*
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* An instance of this structure is created in a special
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* ELF section at every dynamic debug callsite. At runtime,
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* the special section is treated as an array of these.
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*/
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struct _ddebug {
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/*
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* These fields are used to drive the user interface
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* for selecting and displaying debug callsites.
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*/
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const char *modname;
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const char *function;
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const char *filename;
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const char *format;
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unsigned int lineno:24;
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/*
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* The flags field controls the behaviour at the callsite.
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* The bits here are changed dynamically when the user
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* writes commands to <debugfs>/dynamic_debug/control
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*/
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#define _DPRINTK_FLAGS_PRINT (1<<0) /* printk() a message using the format */
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#define _DPRINTK_FLAGS_INCL_MODNAME (1<<1)
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#define _DPRINTK_FLAGS_INCL_FUNCNAME (1<<2)
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#define _DPRINTK_FLAGS_INCL_LINENO (1<<3)
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#define _DPRINTK_FLAGS_INCL_TID (1<<4)
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#define _DPRINTK_FLAGS_DEFAULT 0
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unsigned int flags:8;
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char enabled;
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} __attribute__((aligned(8)));
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int ddebug_add_module(struct _ddebug *tab, unsigned int n,
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const char *modname);
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#if defined(CONFIG_DYNAMIC_DEBUG)
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extern int ddebug_remove_module(const char *mod_name);
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extern int __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...)
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__attribute__ ((format (printf, 2, 3)));
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struct device;
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extern int __dynamic_dev_dbg(struct _ddebug *descriptor,
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const struct device *dev,
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const char *fmt, ...)
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__attribute__ ((format (printf, 3, 4)));
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#define dynamic_pr_debug(fmt, ...) do { \
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static struct _ddebug descriptor \
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__used \
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__attribute__((section("__verbose"), aligned(8))) = \
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{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__, \
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_DPRINTK_FLAGS_DEFAULT }; \
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if (unlikely(descriptor.enabled)) \
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__dynamic_pr_debug(&descriptor, pr_fmt(fmt), ##__VA_ARGS__); \
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} while (0)
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#define dynamic_dev_dbg(dev, fmt, ...) do { \
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static struct _ddebug descriptor \
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__used \
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__attribute__((section("__verbose"), aligned(8))) = \
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{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__, \
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_DPRINTK_FLAGS_DEFAULT }; \
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if (unlikely(descriptor.enabled)) \
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__dynamic_dev_dbg(&descriptor, dev, fmt, ##__VA_ARGS__); \
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} while (0)
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#else
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static inline int ddebug_remove_module(const char *mod)
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{
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return 0;
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}
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#define dynamic_pr_debug(fmt, ...) \
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do { if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); } while (0)
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#define dynamic_dev_dbg(dev, fmt, ...) \
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do { if (0) dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); } while (0)
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#endif
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#endif
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