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powerpc/Makefile: Remove bits related to the previous use of -mcmodel=large

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All supported compilers today (gcc v5.1+ and clang v11+) have support for
-mcmodel=medium. As such, NO_MINIMAL_TOC is no longer being set. Remove
NO_MINIMAL_TOC as well as the fallback to -mminimal-toc.

Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Naveen N Rao <naveen@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240110141237.3179199-1-naveen@kernel.org
This commit is contained in:
Naveen N Rao
2024-01-10 19:42:37 +05:30
committed by Michael Ellerman
parent 2d8ebee0aa
commit c330b50d8c
9 changed files with 1 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/powerpc/Makefile
+1 -5
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@@ -114,7 +114,6 @@ LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y)
ifdef CONFIG_PPC64
ifndef CONFIG_PPC_KERNEL_PCREL
ifeq ($(call cc-option-yn,-mcmodel=medium),y)
# -mcmodel=medium breaks modules because it uses 32bit offsets from
# the TOC pointer to create pointers where possible. Pointers into the
# percpu data area are created by this method.
@@ -124,9 +123,6 @@ ifeq ($(call cc-option-yn,-mcmodel=medium),y)
# kernel percpu data space (starting with 0xc...). We need a full
# 64bit relocation for this to work, hence -mcmodel=large.
KBUILD_CFLAGS_MODULE += -mcmodel=large
else
export NO_MINIMAL_TOC := -mno-minimal-toc
endif
endif
endif
@@ -139,7 +135,7 @@ CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mabi=elfv1)
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcall-aixdesc)
endif
endif
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,$(call cc-option,-mminimal-toc))
CFLAGS-$(CONFIG_PPC64) += -mcmodel=medium
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mno-pointers-to-nested-functions)
CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mlong-double-128)
arch/powerpc/kernel/Makefile
-3
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@@ -3,9 +3,6 @@
# Makefile for the linux kernel.
#
ifdef CONFIG_PPC64
CFLAGS_prom_init.o += $(NO_MINIMAL_TOC)
endif
ifdef CONFIG_PPC32
CFLAGS_prom_init.o += -fPIC
CFLAGS_btext.o += -fPIC
arch/powerpc/lib/Makefile
-2
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@@ -3,8 +3,6 @@
# Makefile for ppc-specific library files..
#
ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC)
CFLAGS_code-patching.o += -fno-stack-protector
CFLAGS_feature-fixups.o += -fno-stack-protector
arch/powerpc/mm/Makefile
-2
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@@ -3,8 +3,6 @@
# Makefile for the linux ppc-specific parts of the memory manager.
#
ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC)
obj-y := fault.o mem.o pgtable.o maccess.o pageattr.o \
init_$(BITS).o pgtable_$(BITS).o \
pgtable-frag.o ioremap.o ioremap_$(BITS).o \
arch/powerpc/mm/book3s64/Makefile
-2
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@@ -1,7 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
ccflags-y := $(NO_MINIMAL_TOC)
obj-y += mmu_context.o pgtable.o trace.o
ifdef CONFIG_PPC_64S_HASH_MMU
CFLAGS_REMOVE_slb.o = $(CC_FLAGS_FTRACE)
arch/powerpc/mm/nohash/Makefile
-2
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@@ -1,7 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC)
obj-y += mmu_context.o tlb.o tlb_low.o kup.o
obj-$(CONFIG_PPC_BOOK3E_64) += tlb_low_64e.o book3e_pgtable.o
obj-$(CONFIG_40x) += 40x.o
arch/powerpc/platforms/pseries/Makefile
-1
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@@ -1,5 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC)
ccflags-$(CONFIG_PPC_PSERIES_DEBUG) += -DDEBUG
obj-y := lpar.o hvCall.o nvram.o reconfig.o \
arch/powerpc/sysdev/Makefile
-2
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@@ -1,7 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC)
mpic-msi-obj-$(CONFIG_PCI_MSI) += mpic_msi.o mpic_u3msi.o
obj-$(CONFIG_MPIC) += mpic.o $(mpic-msi-obj-y)
obj-$(CONFIG_MPIC_TIMER) += mpic_timer.o
arch/powerpc/xmon/Makefile
-2
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@@ -10,8 +10,6 @@ KCSAN_SANITIZE := n
# Disable ftrace for the entire directory
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC)
# Clang stores addresses on the stack causing the frame size to blow
# out. See https://github.com/ClangBuiltLinux/linux/issues/252
ccflags-$(CONFIG_CC_IS_CLANG) += -Wframe-larger-than=4096