diff options
| -rw-r--r-- | arch/x86/kernel/Makefile | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index b1f8be33300d..37fa30bada17 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile | |||
| @@ -24,24 +24,6 @@ CFLAGS_vsyscall_64.o := $(PROFILING) -g0 $(nostackp) | |||
| 24 | CFLAGS_hpet.o := $(nostackp) | 24 | CFLAGS_hpet.o := $(nostackp) |
| 25 | CFLAGS_tsc.o := $(nostackp) | 25 | CFLAGS_tsc.o := $(nostackp) |
| 26 | CFLAGS_paravirt.o := $(nostackp) | 26 | CFLAGS_paravirt.o := $(nostackp) |
| 27 | # | ||
| 28 | # On x86_32, register frame is passed verbatim on stack as struct | ||
| 29 | # pt_regs. gcc considers the parameter to belong to the callee and | ||
| 30 | # with -fstack-protector it copies pt_regs to the callee's stack frame | ||
| 31 | # to put the structure after the stack canary causing changes made by | ||
| 32 | # the exception handlers to be lost. Turn off stack protector for all | ||
| 33 | # files containing functions which take struct pt_regs from register | ||
| 34 | # frame. | ||
| 35 | # | ||
| 36 | # The proper way to fix this is to teach gcc that the argument belongs | ||
| 37 | # to the caller for these functions, oh well... | ||
| 38 | # | ||
| 39 | ifdef CONFIG_X86_32 | ||
| 40 | CFLAGS_process_32.o := $(nostackp) | ||
| 41 | CFLAGS_vm86_32.o := $(nostackp) | ||
| 42 | CFLAGS_signal.o := $(nostackp) | ||
| 43 | CFLAGS_traps.o := $(nostackp) | ||
| 44 | endif | ||
| 45 | 27 | ||
| 46 | obj-y := process_$(BITS).o signal.o entry_$(BITS).o | 28 | obj-y := process_$(BITS).o signal.o entry_$(BITS).o |
| 47 | obj-y += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o | 29 | obj-y += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o |