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authorJohn Crispin <john@phrozen.org>2016-12-25 20:11:34 +0100
committerJohn Crispin <john@phrozen.org>2017-08-05 08:46:36 +0200
commit74d00a8c3849c1340efd713eb94b786e304c201f (patch)
treede481743de61c34da96ab5f9dba3af3edcfb8260 /target/linux/generic/pending-4.9/205-backtrace_module_info.patch
parentde350550ef648d9728351b986b0516fa29465c45 (diff)
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kernel: split patches folder up into backport, pending and hack folders
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
Diffstat (limited to 'target/linux/generic/pending-4.9/205-backtrace_module_info.patch')
-rw-r--r--target/linux/generic/pending-4.9/205-backtrace_module_info.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.9/205-backtrace_module_info.patch b/target/linux/generic/pending-4.9/205-backtrace_module_info.patch
new file mode 100644
index 0000000000..e8a55cc391
--- /dev/null
+++ b/target/linux/generic/pending-4.9/205-backtrace_module_info.patch
@@ -0,0 +1,50 @@
+From: Felix Fietkau <nbd@nbd.name>
+Subject: kernel: when KALLSYMS is disabled, print module address + size for matching backtrace entries
+
+[john@phrozen.org: felix will add this to his upstream queue]
+
+lede-commit 53827cdc824556cda910b23ce5030c363b8f1461
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+ lib/vsprintf.c | 15 +++++++++++----
+ 1 file changed, 11 insertions(+), 4 deletions(-)
+
+diff --git a/lib/vsprintf.c b/lib/vsprintf.c
+index 0967771d8f7f..5d27eae49198 100644
+--- a/lib/vsprintf.c
++++ b/lib/vsprintf.c
+@@ -669,8 +669,10 @@ char *symbol_string(char *buf, char *end, void *ptr,
+ struct printf_spec spec, const char *fmt)
+ {
+ unsigned long value;
+-#ifdef CONFIG_KALLSYMS
+ char sym[KSYM_SYMBOL_LEN];
++#ifndef CONFIG_KALLSYMS
++ struct module *mod;
++ int len;
+ #endif
+
+ if (fmt[1] == 'R')
+@@ -684,11 +686,16 @@ char *symbol_string(char *buf, char *end, void *ptr,
+ sprint_symbol(sym, value);
+ else
+ sprint_symbol_no_offset(sym, value);
+-
+- return string(buf, end, sym, spec);
+ #else
+- return special_hex_number(buf, end, value, sizeof(void *));
++ len = snprintf(sym, sizeof(sym), "0x%lx", value);
++
++ mod = __module_address(value);
++ if (mod)
++ snprintf(sym + len, sizeof(sym) - len, " [%s@%p+0x%x]",
++ mod->name, mod->core_layout.base,
++ mod->core_layout.size);
+ #endif
++ return string(buf, end, sym, spec);
+ }
+
+ static noinline_for_stack
+--
+2.11.0
+