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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-25 17:52:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-25 17:52:22 -0700 |
| commit | 94df491c4a01b39d81279a68386158eb02656712 (patch) | |
| tree | ba431d9d74f11a7117883df54908ea39e4ef7c5c /lib | |
| parent | 26ff6801f751cd47e44c2e9507ec08b447f2d2b9 (diff) | |
| parent | 29096202176ceaa5016a17ea2dd1aea19a4e90e2 (diff) | |
| download | lwn-94df491c4a01b39d81279a68386158eb02656712.tar.gz lwn-94df491c4a01b39d81279a68386158eb02656712.zip | |
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
futex: Fix WARN_ON() test for UP
WARN_ON_SMP(): Allow use in if() statements on UP
x86, dumpstack: Use %pB format specifier for stack trace
vsprintf: Introduce %pB format specifier
lockdep: Remove unused 'factor' variable from lockdep_stats_show()
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/vsprintf.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 02bcdd5feac4..bc0ac6b333dc 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -433,7 +433,9 @@ char *symbol_string(char *buf, char *end, void *ptr, unsigned long value = (unsigned long) ptr; #ifdef CONFIG_KALLSYMS char sym[KSYM_SYMBOL_LEN]; - if (ext != 'f' && ext != 's') + if (ext == 'B') + sprint_backtrace(sym, value); + else if (ext != 'f' && ext != 's') sprint_symbol(sym, value); else kallsyms_lookup(value, NULL, NULL, NULL, sym); @@ -808,6 +810,7 @@ int kptr_restrict = 1; * - 'f' For simple symbolic function names without offset * - 'S' For symbolic direct pointers with offset * - 's' For symbolic direct pointers without offset + * - 'B' For backtraced symbolic direct pointers with offset * - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref] * - 'r' For raw struct resource, e.g., [mem 0x0-0x1f flags 0x201] * - 'M' For a 6-byte MAC address, it prints the address in the @@ -867,6 +870,7 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, /* Fallthrough */ case 'S': case 's': + case 'B': return symbol_string(buf, end, ptr, spec, *fmt); case 'R': case 'r': @@ -1134,6 +1138,7 @@ qualifier: * %ps output the name of a text symbol without offset * %pF output the name of a function pointer with its offset * %pf output the name of a function pointer without its offset + * %pB output the name of a backtrace symbol with its offset * %pR output the address range in a struct resource with decoded flags * %pr output the address range in a struct resource with raw flags * %pM output a 6-byte MAC address with colons |