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authorDapeng Mi <dapeng1.mi@linux.intel.com>2026-09-17 09:52:33 +0800
committerIngo Molnar <mingo@kernel.org>2026-09-22 11:37:46 +0200
commit0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch)
tree531306c2299f9a269f0a986e29f17ba972180104 /scripts/Makefile.kstack_erase
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.zip
perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
Diffstat (limited to 'scripts/Makefile.kstack_erase')
-rw-r--r--scripts/Makefile.kstack_erase21
1 files changed, 21 insertions, 0 deletions
diff --git a/scripts/Makefile.kstack_erase b/scripts/Makefile.kstack_erase
new file mode 100644
index 000000000..ee7e4ef7b
--- /dev/null
+++ b/scripts/Makefile.kstack_erase
@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: GPL-2.0
+
+ifdef CONFIG_GCC_PLUGIN_STACKLEAK
+kstack-erase-cflags-y += -fplugin=$(objtree)/scripts/gcc-plugins/stackleak_plugin.so
+kstack-erase-cflags-y += -fplugin-arg-stackleak_plugin-track-min-size=$(CONFIG_KSTACK_ERASE_TRACK_MIN_SIZE)
+kstack-erase-cflags-y += -fplugin-arg-stackleak_plugin-arch=$(SRCARCH)
+kstack-erase-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK_VERBOSE) += -fplugin-arg-stackleak_plugin-verbose
+DISABLE_KSTACK_ERASE := -fplugin-arg-stackleak_plugin-disable
+endif
+
+ifdef CONFIG_CC_IS_CLANG
+kstack-erase-cflags-y += -fsanitize-coverage=stack-depth
+kstack-erase-cflags-y += -fsanitize-coverage-stack-depth-callback-min=$(CONFIG_KSTACK_ERASE_TRACK_MIN_SIZE)
+DISABLE_KSTACK_ERASE := -fno-sanitize-coverage=stack-depth
+endif
+
+KSTACK_ERASE_CFLAGS := $(kstack-erase-cflags-y)
+
+export KSTACK_ERASE_CFLAGS DISABLE_KSTACK_ERASE
+
+KBUILD_CFLAGS += $(KSTACK_ERASE_CFLAGS)