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authorSergey Senozhatsky <sergey.senozhatsky.work@gmail.com>2018-01-05 13:25:38 +0300
committerPetr Mladek <pmladek@suse.com>2018-01-16 18:59:55 +0300
commitd2279c9d7f7db7f97567368bfc4539b3411adf8d (patch)
tree432344b066dc86f2e4a5a303f7a7bf067561bebc
parentd202d47b5e62cbd54d2cfffbe01471a7690dc652 (diff)
downloadlinux-d2279c9d7f7db7f97567368bfc4539b3411adf8d.tar.xz
kallsyms: remove print_symbol() function
No more print_symbol()/__print_symbol() users left, remove these symbols. It was a very old API that encouraged people use continuous lines. It had been obsoleted by %pS format specifier in a normal printk() call. Link: http://lkml.kernel.org/r/20180105102538.GC471@jagdpanzerIV Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Mark Salter <msalter@redhat.com> Cc: Tony Luck <tony.luck@intel.com> Cc: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Borislav Petkov <bp@alien8.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: LKML <linux-kernel@vger.kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-c6x-dev@linux-c6x.org Cc: linux-ia64@vger.kernel.org Cc: linux-am33-list@redhat.com Cc: linux-sh@vger.kernel.org Cc: linux-edac@vger.kernel.org Cc: x86@kernel.org Cc: linux-snps-arc@lists.infradead.org Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Suggested-by: Joe Perches <joe@perches.com> [pmladek@suse.com: updated commit message] Signed-off-by: Petr Mladek <pmladek@suse.com>
-rw-r--r--Documentation/filesystems/sysfs.txt4
-rw-r--r--Documentation/translations/zh_CN/filesystems/sysfs.txt4
-rw-r--r--include/linux/kallsyms.h18
-rw-r--r--kernel/kallsyms.c11
4 files changed, 4 insertions, 33 deletions
diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt
index 9a3658cc399e..a1426cabcef1 100644
--- a/Documentation/filesystems/sysfs.txt
+++ b/Documentation/filesystems/sysfs.txt
@@ -154,8 +154,8 @@ static ssize_t dev_attr_show(struct kobject *kobj, struct attribute *attr,
if (dev_attr->show)
ret = dev_attr->show(dev, dev_attr, buf);
if (ret >= (ssize_t)PAGE_SIZE) {
- print_symbol("dev_attr_show: %s returned bad count\n",
- (unsigned long)dev_attr->show);
+ printk("dev_attr_show: %pS returned bad count\n",
+ dev_attr->show);
}
return ret;
}
diff --git a/Documentation/translations/zh_CN/filesystems/sysfs.txt b/Documentation/translations/zh_CN/filesystems/sysfs.txt
index 7d3b05edb8ce..452271dda141 100644
--- a/Documentation/translations/zh_CN/filesystems/sysfs.txt
+++ b/Documentation/translations/zh_CN/filesystems/sysfs.txt
@@ -167,8 +167,8 @@ static ssize_t dev_attr_show(struct kobject *kobj, struct attribute *attr,
if (dev_attr->show)
ret = dev_attr->show(dev, dev_attr, buf);
if (ret >= (ssize_t)PAGE_SIZE) {
- print_symbol("dev_attr_show: %s returned bad count\n",
- (unsigned long)dev_attr->show);
+ printk("dev_attr_show: %pS returned bad count\n",
+ dev_attr->show);
}
return ret;
}
diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
index 708f337d780b..c733941901b3 100644
--- a/include/linux/kallsyms.h
+++ b/include/linux/kallsyms.h
@@ -46,9 +46,6 @@ extern int sprint_symbol(char *buffer, unsigned long address);
extern int sprint_symbol_no_offset(char *buffer, unsigned long address);
extern int sprint_backtrace(char *buffer, unsigned long address);
-/* Look up a kernel symbol and print it to the kernel messages. */
-extern void __print_symbol(const char *fmt, unsigned long address);
-
int lookup_symbol_name(unsigned long addr, char *symname);
int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name);
@@ -118,23 +115,8 @@ static inline int kallsyms_show_value(void)
return false;
}
-/* Stupid that this does nothing, but I didn't create this mess. */
-#define __print_symbol(fmt, addr)
#endif /*CONFIG_KALLSYMS*/
-/* This macro allows us to keep printk typechecking */
-static __printf(1, 2)
-void __check_printsym_format(const char *fmt, ...)
-{
-}
-
-static inline void print_symbol(const char *fmt, unsigned long addr)
-{
- __check_printsym_format(fmt, "");
- __print_symbol(fmt, (unsigned long)
- __builtin_extract_return_addr((void *)addr));
-}
-
static inline void print_ip_sym(unsigned long ip)
{
printk("[<%p>] %pS\n", (void *) ip, (void *) ip);
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index 531ffa984bc2..32ba256f0092 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -464,17 +464,6 @@ int sprint_backtrace(char *buffer, unsigned long address)
return __sprint_symbol(buffer, address, -1, 1);
}
-/* Look up a kernel symbol and print it to the kernel messages. */
-void __print_symbol(const char *fmt, unsigned long address)
-{
- char buffer[KSYM_SYMBOL_LEN];
-
- sprint_symbol(buffer, address);
-
- printk(fmt, buffer);
-}
-EXPORT_SYMBOL(__print_symbol);
-
/* To avoid using get_symbol_offset for every symbol, we carry prefix along. */
struct kallsym_iter {
loff_t pos;