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authorLinus Torvalds <torvalds@linux-foundation.org>2026-09-20 08:15:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-09-20 08:15:23 -0700
commitbdab18633a302c82b5e5d5dbc4e38b0baf9c0837 (patch)
tree0446500af9a76d4e8b2a72a0a41391ceede73a10 /scripts/Makefile.randstruct
downloadlinux-stable-bdab18633a302c82b5e5d5dbc4e38b0baf9c0837.tar.gz
linux-stable-bdab18633a302c82b5e5d5dbc4e38b0baf9c0837.zip
Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipgrafted
Pull futex fix from Ingo Molnar: - Also allocate a default private futex hash on vfork() as well, to avoid races with (private) futex waiters (Peter Zijlstra) * tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Also allocate private hash on vfork()
Diffstat (limited to 'scripts/Makefile.randstruct')
-rw-r--r--scripts/Makefile.randstruct17
1 files changed, 17 insertions, 0 deletions
diff --git a/scripts/Makefile.randstruct b/scripts/Makefile.randstruct
new file mode 100644
index 000000000..24e283e89
--- /dev/null
+++ b/scripts/Makefile.randstruct
@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: GPL-2.0
+
+randstruct-cflags-y += -DRANDSTRUCT
+
+ifdef CONFIG_GCC_PLUGIN_RANDSTRUCT
+randstruct-cflags-y \
+ += -fplugin=$(objtree)/scripts/gcc-plugins/randomize_layout_plugin.so
+randstruct-cflags-$(CONFIG_RANDSTRUCT_PERFORMANCE) \
+ += -fplugin-arg-randomize_layout_plugin-performance-mode
+else
+randstruct-cflags-y \
+ += -frandomize-layout-seed-file=$(objtree)/scripts/basic/randstruct.seed
+endif
+
+export RANDSTRUCT_CFLAGS := $(randstruct-cflags-y)
+
+KBUILD_CFLAGS += $(RANDSTRUCT_CFLAGS)