x86/cpu: Make CONFIG_X86_TSC unconditional

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

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 34e92da22053c869914ed02de2220202f0f3da4b..f4b8722ba1064bf62ff7f4b73e80cde280bbed17 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -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

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 1377edd9a99743369a3e1f4403db7cadbcfe3408..678fdc10daef21a38cd25c19ee93acf339142963 100644 (file)
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -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

diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index aa4040fd921560fd2180a37ea53f18c8a5851eab..dc38f950b1e25579e6f570d62edf1c9ce744893e 100644 (file)
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -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