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-rw-r--r--arch/x86/kernel/Makefile10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 76ec0f8f138..4eb5ce84110 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -6,7 +6,15 @@ extra-y := head_$(BITS).o init_task.o vmlinux.lds
extra-$(CONFIG_X86_64) += head64.o
CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
-CFLAGS_vsyscall_64.o := $(PROFILING) -g0
+
+#
+# vsyscalls (which work on the user stack) should have
+# no stack-protector checks:
+#
+nostackp := $(call cc-option, -fno-stack-protector)
+CFLAGS_vsyscall_64.o := $(PROFILING) -g0 $(nostackp)
+CFLAGS_hpet.o := $(nostackp)
+CFLAGS_tsc_64.o := $(nostackp)
obj-y := process_$(BITS).o signal_$(BITS).o entry_$(BITS).o
obj-y += traps_$(BITS).o irq_$(BITS).o