mirror of
https://github.com/raspberrypi/linux.git
synced 2025-12-28 13:02:59 +00:00
c894d2f9fd
commitbba496656aupstream. Boot fails with GCC latent entropy plugin enabled. This is due to early boot functions trying to access 'latent_entropy' global data while the kernel is not relocated at its final destination yet. As there is no way to tell GCC to use PTRRELOC() to access it, disable latent entropy plugin in early_32.o and feature-fixups.o and code-patching.o Fixes:38addce8b6("gcc-plugins: Add latent_entropy plugin") Cc: stable@vger.kernel.org # v4.9+ Reported-by: Erhard Furtner <erhard_f@mailbox.org> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://bugzilla.kernel.org/show_bug.cgi?id=215217 Link: https://lore.kernel.org/r/2bac55483b8daf5b1caa163a45fa5f9cdbe18be4.1640178426.git.christophe.leroy@csgroup.eu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
203 lines
6.5 KiB
Makefile
203 lines
6.5 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# Makefile for the linux kernel.
|
|
#
|
|
|
|
ifdef CONFIG_PPC64
|
|
CFLAGS_prom_init.o += $(NO_MINIMAL_TOC)
|
|
endif
|
|
ifdef CONFIG_PPC32
|
|
CFLAGS_prom_init.o += -fPIC
|
|
CFLAGS_btext.o += -fPIC
|
|
endif
|
|
|
|
CFLAGS_early_32.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
|
|
CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
|
|
CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
|
|
CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
|
|
CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
|
|
|
|
CFLAGS_prom_init.o += -fno-stack-protector
|
|
CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING
|
|
CFLAGS_prom_init.o += -ffreestanding
|
|
|
|
ifdef CONFIG_FUNCTION_TRACER
|
|
# Do not trace early boot code
|
|
CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE)
|
|
CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE)
|
|
CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE)
|
|
CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE)
|
|
endif
|
|
|
|
KASAN_SANITIZE_early_32.o := n
|
|
KASAN_SANITIZE_cputable.o := n
|
|
KASAN_SANITIZE_prom_init.o := n
|
|
KASAN_SANITIZE_btext.o := n
|
|
|
|
ifdef CONFIG_KASAN
|
|
CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING
|
|
CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING
|
|
CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING
|
|
endif
|
|
|
|
obj-y := cputable.o syscalls.o \
|
|
irq.o align.o signal_$(BITS).o pmc.o vdso.o \
|
|
process.o systbl.o idle.o \
|
|
signal.o sysfs.o cacheinfo.o time.o \
|
|
prom.o traps.o setup-common.o \
|
|
udbg.o misc.o io.o misc_$(BITS).o \
|
|
of_platform.o prom_parse.o firmware.o \
|
|
hw_breakpoint_constraints.o interrupt.o \
|
|
kdebugfs.o
|
|
obj-y += ptrace/
|
|
obj-$(CONFIG_PPC64) += setup_64.o \
|
|
paca.o nvram_64.o note.o
|
|
obj-$(CONFIG_COMPAT) += sys_ppc32.o signal_32.o
|
|
obj-$(CONFIG_VDSO32) += vdso32_wrapper.o
|
|
obj-$(CONFIG_PPC_WATCHDOG) += watchdog.o
|
|
obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
|
|
obj-$(CONFIG_PPC_DAWR) += dawr.o
|
|
obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o
|
|
obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o
|
|
obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o
|
|
obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o
|
|
obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o
|
|
obj-$(CONFIG_PPC64) += vdso64_wrapper.o
|
|
obj-$(CONFIG_ALTIVEC) += vecemu.o
|
|
obj-$(CONFIG_PPC_BOOK3S_IDLE) += idle_book3s.o
|
|
procfs-y := proc_powerpc.o
|
|
obj-$(CONFIG_PROC_FS) += $(procfs-y)
|
|
rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rtas_pci.o
|
|
obj-$(CONFIG_PPC_RTAS) += rtas.o rtas-rtc.o $(rtaspci-y-y)
|
|
obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o
|
|
obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o
|
|
obj-$(CONFIG_RTAS_PROC) += rtas-proc.o
|
|
obj-$(CONFIG_PPC_DT_CPU_FTRS) += dt_cpu_ftrs.o
|
|
obj-$(CONFIG_EEH) += eeh.o eeh_pe.o eeh_cache.o \
|
|
eeh_driver.o eeh_event.o eeh_sysfs.o
|
|
obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o
|
|
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
|
|
obj-$(CONFIG_FA_DUMP) += fadump.o
|
|
obj-$(CONFIG_PRESERVE_FA_DUMP) += fadump.o
|
|
ifdef CONFIG_PPC32
|
|
obj-$(CONFIG_E500) += idle_e500.o
|
|
endif
|
|
obj-$(CONFIG_PPC_BOOK3S_32) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
|
|
obj-$(CONFIG_TAU) += tau_6xx.o
|
|
obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o
|
|
ifdef CONFIG_FSL_BOOKE
|
|
obj-$(CONFIG_HIBERNATION) += swsusp_booke.o
|
|
else
|
|
obj-$(CONFIG_HIBERNATION) += swsusp_$(BITS).o
|
|
endif
|
|
obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o
|
|
obj-$(CONFIG_MODULES) += module.o module_$(BITS).o
|
|
obj-$(CONFIG_44x) += cpu_setup_44x.o
|
|
obj-$(CONFIG_PPC_FSL_BOOK3E) += cpu_setup_fsl_booke.o
|
|
obj-$(CONFIG_PPC_DOORBELL) += dbell.o
|
|
obj-$(CONFIG_JUMP_LABEL) += jump_label.o
|
|
|
|
extra-$(CONFIG_PPC64) := head_64.o
|
|
extra-$(CONFIG_PPC_BOOK3S_32) := head_book3s_32.o
|
|
extra-$(CONFIG_40x) := head_40x.o
|
|
extra-$(CONFIG_44x) := head_44x.o
|
|
extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o
|
|
extra-$(CONFIG_PPC_8xx) := head_8xx.o
|
|
extra-y += vmlinux.lds
|
|
|
|
obj-$(CONFIG_RELOCATABLE) += reloc_$(BITS).o
|
|
|
|
obj-$(CONFIG_PPC32) += entry_32.o setup_32.o early_32.o
|
|
obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o
|
|
obj-$(CONFIG_KGDB) += kgdb.o
|
|
obj-$(CONFIG_BOOTX_TEXT) += btext.o
|
|
obj-$(CONFIG_SMP) += smp.o
|
|
obj-$(CONFIG_KPROBES) += kprobes.o
|
|
obj-$(CONFIG_OPTPROBES) += optprobes.o optprobes_head.o
|
|
obj-$(CONFIG_KPROBES_ON_FTRACE) += kprobes-ftrace.o
|
|
obj-$(CONFIG_UPROBES) += uprobes.o
|
|
obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o
|
|
obj-$(CONFIG_STACKTRACE) += stacktrace.o
|
|
obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o
|
|
obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mask.o
|
|
|
|
pci64-$(CONFIG_PPC64) += pci_dn.o pci-hotplug.o isa-bridge.o
|
|
obj-$(CONFIG_PCI) += pci_$(BITS).o $(pci64-y) \
|
|
pci-common.o pci_of_scan.o
|
|
obj-$(CONFIG_PCI_MSI) += msi.o
|
|
|
|
obj-$(CONFIG_AUDIT) += audit.o
|
|
obj64-$(CONFIG_AUDIT) += compat_audit.o
|
|
|
|
obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-workarounds.o
|
|
|
|
obj-y += trace/
|
|
|
|
ifneq ($(CONFIG_PPC_INDIRECT_PIO),y)
|
|
obj-y += iomap.o
|
|
endif
|
|
|
|
obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM) += tm.o
|
|
|
|
obj-$(CONFIG_PPC64) += $(obj64-y)
|
|
obj-$(CONFIG_PPC32) += $(obj32-y)
|
|
|
|
ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONFIG_PPC_BOOK3S),)
|
|
obj-y += ppc_save_regs.o
|
|
endif
|
|
|
|
obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o
|
|
obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o
|
|
ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),)
|
|
obj-y += ucall.o
|
|
endif
|
|
|
|
obj-$(CONFIG_PPC_SECURE_BOOT) += secure_boot.o ima_arch.o secvar-ops.o
|
|
obj-$(CONFIG_PPC_SECVAR_SYSFS) += secvar-sysfs.o
|
|
|
|
# Disable GCOV, KCOV & sanitizers in odd or sensitive code
|
|
GCOV_PROFILE_prom_init.o := n
|
|
KCOV_INSTRUMENT_prom_init.o := n
|
|
UBSAN_SANITIZE_prom_init.o := n
|
|
GCOV_PROFILE_kprobes.o := n
|
|
KCOV_INSTRUMENT_kprobes.o := n
|
|
UBSAN_SANITIZE_kprobes.o := n
|
|
GCOV_PROFILE_kprobes-ftrace.o := n
|
|
KCOV_INSTRUMENT_kprobes-ftrace.o := n
|
|
UBSAN_SANITIZE_kprobes-ftrace.o := n
|
|
GCOV_PROFILE_syscall_64.o := n
|
|
KCOV_INSTRUMENT_syscall_64.o := n
|
|
UBSAN_SANITIZE_syscall_64.o := n
|
|
UBSAN_SANITIZE_vdso.o := n
|
|
|
|
# Necessary for booting with kcov enabled on book3e machines
|
|
KCOV_INSTRUMENT_cputable.o := n
|
|
KCOV_INSTRUMENT_setup_64.o := n
|
|
KCOV_INSTRUMENT_paca.o := n
|
|
|
|
CFLAGS_setup_64.o += -fno-stack-protector
|
|
CFLAGS_paca.o += -fno-stack-protector
|
|
|
|
extra-$(CONFIG_PPC_FPU) += fpu.o
|
|
extra-$(CONFIG_ALTIVEC) += vector.o
|
|
extra-$(CONFIG_PPC64) += entry_64.o
|
|
extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o
|
|
|
|
extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init_check
|
|
|
|
quiet_cmd_prom_init_check = PROMCHK $@
|
|
cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" $(obj)/prom_init.o; touch $@
|
|
|
|
$(obj)/prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o FORCE
|
|
$(call if_changed,prom_init_check)
|
|
targets += prom_init_check
|
|
|
|
clean-files := vmlinux.lds
|
|
|
|
# Force dependency (incbin is bad)
|
|
$(obj)/vdso32_wrapper.o : $(obj)/vdso32/vdso32.so.dbg
|
|
$(obj)/vdso64_wrapper.o : $(obj)/vdso64/vdso64.so.dbg
|
|
|
|
# for cleaning
|
|
subdir- += vdso32 vdso64
|