[Xen-devel] [PATCH 6/7] common/symbols: Remove print_symbol() and associated infrastructure

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CC: Keir Fraser <keir@xxxxxxx>
CC: Jan Beulich <JBeulich@xxxxxxxx>
---
 xen/common/symbols.c      |   26 --------------------------
 xen/include/xen/symbols.h |   23 -----------------------
 2 files changed, 49 deletions(-)

diff --git a/xen/common/symbols.c b/xen/common/symbols.c
index 83b2b58..45941e1 100644
--- a/xen/common/symbols.c
+++ b/xen/common/symbols.c
@@ -148,29 +148,3 @@ const char *symbols_lookup(unsigned long addr,
     *offset = addr - symbols_address(low);
     return namebuf;
 }
-
-/* Replace "%s" in format with address, or returns -errno. */
-void __print_symbol(const char *fmt, unsigned long address)
-{
-    const char *name;
-    unsigned long offset, size, flags;
-
-    static DEFINE_SPINLOCK(lock);
-    static char namebuf[KSYM_NAME_LEN+1];
-#define BUFFER_SIZE sizeof("%s+%#lx/%#lx [%s]") + KSYM_NAME_LEN + \
-                       2*(BITS_PER_LONG*3/10) + 1
-    static char buffer[BUFFER_SIZE];
-
-    spin_lock_irqsave(&lock, flags);
-
-    name = symbols_lookup(address, &size, &offset, namebuf);
-
-    if (!name)
-        snprintf(buffer, BUFFER_SIZE, "???");
-    else
-        snprintf(buffer, BUFFER_SIZE, "%s+%#lx/%#lx", name, offset, size);
-
-    printk(fmt, buffer);
-
-    spin_unlock_irqrestore(&lock, flags);
-}
diff --git a/xen/include/xen/symbols.h b/xen/include/xen/symbols.h
index 37cf6bf..87cd77d 100644
--- a/xen/include/xen/symbols.h
+++ b/xen/include/xen/symbols.h
@@ -11,27 +11,4 @@ const char *symbols_lookup(unsigned long addr,
                            unsigned long *offset,
                            char *namebuf);
 
-/* Replace "%s" in format with address, if found */
-void __print_symbol(const char *fmt, unsigned long address);
-
-/* This macro allows us to keep printk typechecking */
-static void __check_printsym_format(const char *fmt, ...)
-    __attribute__((format(printf,1,2)));
-    static inline void __check_printsym_format(const char *fmt, ...)
-{
-}
-
-#if 0
-#define print_fn_descriptor_symbol(fmt, addr)  \
-       print_symbol(fmt, *(unsigned long *)addr)
-#else
-#define print_fn_descriptor_symbol(fmt, addr) print_symbol(fmt, addr)
-#endif
-
-#define print_symbol(fmt, addr)                        \
-do {                                           \
-       __check_printsym_format(fmt, "");       \
-       __print_symbol(fmt, addr);              \
-} while(0)
-
 #endif /*_XEN_SYMBOLS_H*/
-- 
1.7.10.4


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