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-rw-r--r--scripts/Makefile.build2
-rw-r--r--scripts/Makefile.vmlinux15
-rwxr-xr-xscripts/decode_stacktrace.sh14
3 files changed, 23 insertions, 8 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index d0ee33a487be..52c08c4eb0b9 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -167,7 +167,7 @@ else ifeq ($(KBUILD_CHECKSRC),2)
endif
ifneq ($(KBUILD_EXTRA_WARN),)
- cmd_checkdoc = PYTHONDONTWRITEBYTECODE=1 $(KERNELDOC) -none $(KDOCFLAGS) \
+ cmd_checkdoc = PYTHONDONTWRITEBYTECODE=1 $(PYTHON3) $(KERNELDOC) -none $(KDOCFLAGS) \
$(if $(findstring 2, $(KBUILD_EXTRA_WARN)), -Wall) \
$<
endif
diff --git a/scripts/Makefile.vmlinux b/scripts/Makefile.vmlinux
index ced4379550d7..cd788cac9d91 100644
--- a/scripts/Makefile.vmlinux
+++ b/scripts/Makefile.vmlinux
@@ -102,11 +102,24 @@ vmlinux: vmlinux.unstripped FORCE
# modules.builtin.modinfo
# ---------------------------------------------------------------------------
+# .modinfo in vmlinux.unstripped is aligned to 8 bytes for compatibility with
+# tools that expect vmlinux to have sufficiently aligned sections but the
+# additional bytes used for padding .modinfo to satisfy this requirement break
+# certain versions of kmod with
+#
+# depmod: ERROR: kmod_builtin_iter_next: unexpected string without modname prefix
+#
+# Strip the trailing padding bytes after extracting .modinfo to comply with
+# what kmod expects to parse.
+quiet_cmd_modules_builtin_modinfo = GEN $@
+ cmd_modules_builtin_modinfo = $(cmd_objcopy); \
+ sed -i 's/\x00\+$$/\x00/g' $@
+
OBJCOPYFLAGS_modules.builtin.modinfo := -j .modinfo -O binary
targets += modules.builtin.modinfo
modules.builtin.modinfo: vmlinux.unstripped FORCE
- $(call if_changed,objcopy)
+ $(call if_changed,modules_builtin_modinfo)
# modules.builtin
# ---------------------------------------------------------------------------
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index c73cb802a0a3..8d01b741de62 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -277,12 +277,6 @@ handle_line() {
fi
done
- if [[ ${words[$last]} =~ ^[0-9a-f]+\] ]]; then
- words[$last-1]="${words[$last-1]} ${words[$last]}"
- unset words[$last] spaces[$last]
- last=$(( $last - 1 ))
- fi
-
# Extract info after the symbol if present. E.g.:
# func_name+0x54/0x80 (P)
# ^^^
@@ -295,6 +289,14 @@ handle_line() {
last=$(( $last - 1 ))
fi
+ # Join module name with its build id if present, as these were
+ # split during tokenization (e.g. "[module" and "modbuildid]").
+ if [[ ${words[$last]} =~ ^[0-9a-f]+\] ]]; then
+ words[$last-1]="${words[$last-1]} ${words[$last]}"
+ unset words[$last] spaces[$last]
+ last=$(( $last - 1 ))
+ fi
+
if [[ ${words[$last]} =~ \[([^]]+)\] ]]; then
module=${words[$last]}
# some traces format is "(%pS)", which like "(foo+0x0/0x1 [bar])"