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authorHauke Mehrtens <hauke@hauke-m.de>2018-11-01 17:57:55 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2018-12-15 12:50:06 +0100
commit52a82ce3dd901a1536c7d7d9d963e9c2d761c816 (patch)
tree79020fb59420fcea7bdc4b12272f7251e101fe64 /target/linux/generic/pending-4.19/205-backtrace_module_info.patch
parenta272af75cd8c67d265400f96c1e6bb172315c23c (diff)
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kernel: Copy patches from kernel 4.14 to 4.19
This just copies the files from the kernel 4.14 specific folders into the kernel 4.19 specific folder, no changes are done to the files in this commit. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/generic/pending-4.19/205-backtrace_module_info.patch')
-rw-r--r--target/linux/generic/pending-4.19/205-backtrace_module_info.patch45
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.19/205-backtrace_module_info.patch b/target/linux/generic/pending-4.19/205-backtrace_module_info.patch
new file mode 100644
index 0000000000..4040f91021
--- /dev/null
+++ b/target/linux/generic/pending-4.19/205-backtrace_module_info.patch
@@ -0,0 +1,45 @@
+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(-)
+
+--- a/lib/vsprintf.c
++++ b/lib/vsprintf.c
+@@ -670,8 +670,10 @@ char *symbol_string(char *buf, char *end
+ 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')
+@@ -685,11 +687,16 @@ char *symbol_string(char *buf, char *end
+ 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