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x86/cpu: Make CONFIG_X86_TSC unconditional

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I.e. it's a boot time requirement for the CPU to support it.

This only removes the Kconfig glue, removal of all now
dead !X86_TSC code will happen in a separate patch.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250425084216.3913608-12-mingo@kernel.org
This commit is contained in:
Ingo Molnar 2025-04-25 10:42:08 +02:00
parent b04472e131
commit 111cbb4596
3 changed files with 1 additions and 3 deletions
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1
arch/x86/Kconfig
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@ -683,7 +683,6 @@ config X86_INTEL_QUARK
depends on X86_32
depends on X86_EXTENDED_PLATFORM
depends on X86_PLATFORM_DEVICES
depends on X86_TSC
depends on PCI
depends on PCI_GOANY
depends on X86_IO_APIC

1
arch/x86/Kconfig.cpu
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@ -262,7 +262,6 @@ config X86_USE_PPRO_CHECKSUM
config X86_TSC
def_bool y
depends on (MWINCHIP3D || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MATOM) || X86_64
config X86_HAVE_PAE
def_bool y

2
arch/x86/xen/Kconfig
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@ -11,7 +11,7 @@ config XEN
select HIBERNATE_CALLBACKS
depends on X86_64 || (X86_32 && X86_PAE)
depends on X86_64 || (X86_GENERIC || MPENTIUM4 || MATOM)
depends on X86_LOCAL_APIC && X86_TSC
depends on X86_LOCAL_APIC
help
This is the Linux Xen port. Enabling this will allow the
kernel to boot in a paravirtualized environment under the