FM / x86

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/arch/x86/

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/arch/x86

Name	Size	Mode	Actions
boot/	-	0755	rm
coco/	-	0755	rm
crypto/	-	0755	rm
entry/	-	0755	rm
events/	-	0755	rm
hyperv/	-	0755	rm
ia32/	-	0755	rm
include/	-	0755	rm
kernel/	-	0755	rm
kvm/	-	0755	rm
lib/	-	0755	rm
math-emu/	-	0755	rm
mm/	-	0755	rm
net/	-	0755	rm
oprofile/	-	0755	rm
pci/	-	0755	rm
platform/	-	0755	rm
power/	-	0755	rm
purgatory/	-	0755	rm
ras/	-	0755	rm
realmode/	-	0755	rm
tools/	-	0755	rm
um/	-	0755	rm
video/	-	0755	rm
xen/	-	0755	rm
Kconfig	105616	0644	edit dl rm
Kconfig.cpu	15859	0644	edit dl rm
Kconfig.debug	12790	0644	edit dl rm
Makefile	13481	0644	edit dl rm
Makefile.um	1642	0644	edit dl rm
Makefile_32.cpu	2517	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/arch/x86/Makefile_32.cpu (2517B)

# SPDX-License-Identifier: GPL-2.0
# CPU tuning section - shared with UML.
# Must change only cflags-y (or [yn]), not CFLAGS! That makes a difference for UML.

#-mtune exists since gcc 3.4
HAS_MTUNE	:= $(call cc-option-yn, -mtune=i386)
ifeq ($(HAS_MTUNE),y)
tune		= $(call cc-option,-mtune=$(1),$(2))
else
tune		= $(call cc-option,-mcpu=$(1),$(2))
endif

cflags-$(CONFIG_M486)		+= -march=i486
cflags-$(CONFIG_M586)		+= -march=i586
cflags-$(CONFIG_M586TSC)	+= -march=i586
cflags-$(CONFIG_M586MMX)	+= -march=pentium-mmx
cflags-$(CONFIG_M686)		+= -march=i686
cflags-$(CONFIG_MPENTIUMII)	+= -march=i686 $(call tune,pentium2)
cflags-$(CONFIG_MPENTIUMIII)	+= -march=i686 $(call tune,pentium3)
cflags-$(CONFIG_MPENTIUMM)	+= -march=i686 $(call tune,pentium3)
cflags-$(CONFIG_MPENTIUM4)	+= -march=i686 $(call tune,pentium4)
cflags-$(CONFIG_MK6)		+= -march=k6
# Please note, that patches that add -march=athlon-xp and friends are pointless.
# They make zero difference whatsosever to performance at this time.
cflags-$(CONFIG_MK7)		+= -march=athlon
cflags-$(CONFIG_MK8)		+= $(call cc-option,-march=k8,-march=athlon)
cflags-$(CONFIG_MCRUSOE)	+= -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
cflags-$(CONFIG_MEFFICEON)	+= -march=i686 $(call tune,pentium3) -falign-functions=0 -falign-jumps=0 -falign-loops=0
cflags-$(CONFIG_MWINCHIPC6)	+= $(call cc-option,-march=winchip-c6,-march=i586)
cflags-$(CONFIG_MWINCHIP3D)	+= $(call cc-option,-march=winchip2,-march=i586)
cflags-$(CONFIG_MCYRIXIII)	+= $(call cc-option,-march=c3,-march=i486) -falign-functions=0 -falign-jumps=0 -falign-loops=0
cflags-$(CONFIG_MVIAC3_2)	+= $(call cc-option,-march=c3-2,-march=i686)
cflags-$(CONFIG_MVIAC7)		+= -march=i686
cflags-$(CONFIG_MCORE2)		+= -march=i686 $(call tune,core2)
cflags-$(CONFIG_MATOM)		+= $(call cc-option,-march=atom,$(call cc-option,-march=core2,-march=i686)) \
	$(call cc-option,-mtune=atom,$(call cc-option,-mtune=generic))

# AMD Elan support
cflags-$(CONFIG_MELAN)		+= -march=i486

# Geode GX1 support
cflags-$(CONFIG_MGEODEGX1)	+= -march=pentium-mmx
cflags-$(CONFIG_MGEODE_LX)	+= $(call cc-option,-march=geode,-march=pentium-mmx)
# add at the end to overwrite eventual tuning options from earlier
# cpu entries
cflags-$(CONFIG_X86_GENERIC) 	+= $(call tune,generic,$(call tune,i686))

# Bug fix for binutils: this option is required in order to keep
# binutils from generating NOPL instructions against our will.
ifneq ($(CONFIG_X86_P6_NOP),y)
cflags-y			+= $(call cc-option,-Wa$(comma)-mtune=generic32,)
endif

# SPDX-License-Identifier: GPL-2.0 # CPU tuning section - shared with UML. # Must change only cflags-y (or [yn]), not CFLAGS! That makes a difference for UML. #-mtune exists since gcc 3.4 HAS_MTUNE := $(call cc-option-yn, -mtune=i386) ifeq ($(HAS_MTUNE),y) tune = $(call cc-option,-mtune=$(1),$(2)) else tune = $(call cc-option,-mcpu=$(1),$(2)) endif cflags-$(CONFIG_M486) += -march=i486 cflags-$(CONFIG_M586) += -march=i586 cflags-$(CONFIG_M586TSC) += -march=i586 cflags-$(CONFIG_M586MMX) += -march=pentium-mmx cflags-$(CONFIG_M686) += -march=i686 cflags-$(CONFIG_MPENTIUMII) += -march=i686 $(call tune,pentium2) cflags-$(CONFIG_MPENTIUMIII) += -march=i686 $(call tune,pentium3) cflags-$(CONFIG_MPENTIUMM) += -march=i686 $(call tune,pentium3) cflags-$(CONFIG_MPENTIUM4) += -march=i686 $(call tune,pentium4) cflags-$(CONFIG_MK6) += -march=k6 # Please note, that patches that add -march=athlon-xp and friends are pointless. # They make zero difference whatsosever to performance at this time. cflags-$(CONFIG_MK7) += -march=athlon cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,-march=athlon) cflags-$(CONFIG_MCRUSOE) += -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0 cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call tune,pentium3) -falign-functions=0 -falign-jumps=0 -falign-loops=0 cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586) cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586) cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) -falign-functions=0 -falign-jumps=0 -falign-loops=0 cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686) cflags-$(CONFIG_MVIAC7) += -march=i686 cflags-$(CONFIG_MCORE2) += -march=i686 $(call tune,core2) cflags-$(CONFIG_MATOM) += $(call cc-option,-march=atom,$(call cc-option,-march=core2,-march=i686)) \ $(call cc-option,-mtune=atom,$(call cc-option,-mtune=generic)) # AMD Elan support cflags-$(CONFIG_MELAN) += -march=i486 # Geode GX1 support cflags-$(CONFIG_MGEODEGX1) += -march=pentium-mmx cflags-$(CONFIG_MGEODE_LX) += $(call cc-option,-march=geode,-march=pentium-mmx) # add at the end to overwrite eventual tuning options from earlier # cpu entries cflags-$(CONFIG_X86_GENERIC) += $(call tune,generic,$(call tune,i686)) # Bug fix for binutils: this option is required in order to keep # binutils from generating NOPL instructions against our will. ifneq ($(CONFIG_X86_P6_NOP),y) cflags-y += $(call cc-option,-Wa$(comma)-mtune=generic32,) endif