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| author | Nicholas Piggin <npiggin@gmail.com> | 2018-02-20 20:08:29 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-03-31 15:47:50 +0200 |
| commit | 471d7ff8b51b63521c8ea35c51966ab4caa434ee (patch) | |
| tree | 697babe0784be6808eeb49f12cba44dc937af05e /arch/powerpc/Makefile | |
| parent | powerpc: Remove unused CPU_FTR_ARCH_201 (diff) | |
| download | linux-471d7ff8b51b63521c8ea35c51966ab4caa434ee.tar.xz linux-471d7ff8b51b63521c8ea35c51966ab4caa434ee.zip | |
powerpc/64s: Remove POWER4 support
POWER4 has been broken since at least the change 49d09bf2a6
("powerpc/64s: Optimise MSR handling in exception handling"), which
requires mtmsrd L=1 support. This was introduced in ISA v2.01, and
POWER4 supports ISA v2.00.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/Makefile')
| -rw-r--r-- | arch/powerpc/Makefile | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index af46d22fa660..373d7f5b7cde 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -146,8 +146,8 @@ CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 $(MULTIPLEWORD) CFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata) ifeq ($(CONFIG_PPC_BOOK3S_64),y) -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,-mtune=power4) -CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power4 +CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,$(call cc-option,-mtune=power5)) +CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mcpu=power5,-mcpu=power4) else CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 endif @@ -168,7 +168,6 @@ ifdef CONFIG_MPROFILE_KERNEL endif CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell) -CFLAGS-$(CONFIG_POWER4_CPU) += $(call cc-option,-mcpu=power4) CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5) CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6) CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7) |