X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=arch%2Fx86%2FKconfig;h=bea3a0159496c3592eaabffa3706bf503c390294;hb=3100e448e7d74489a96cb7b45d88fe6962774eaa;hp=ded8a6774ac99a6b9fd6708e440f66bc2f6e7433;hpb=09ffd948a09256dfa57c46e0a31cf4af275ec61d;p=cascardo%2Flinux.git diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ded8a6774ac9..bea3a0159496 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -144,7 +144,7 @@ config INSTRUCTION_DECODER config PERF_EVENTS_INTEL_UNCORE def_bool y - depends on PERF_EVENTS && SUP_SUP_INTEL && PCI + depends on PERF_EVENTS && CPU_SUP_INTEL && PCI config OUTPUT_FORMAT string @@ -248,6 +248,10 @@ config HAVE_INTEL_TXT def_bool y depends on INTEL_IOMMU && ACPI +config X86_INTEL_MPX + def_bool y + depends on CPU_SUP_INTEL + config X86_32_SMP def_bool y depends on X86_32 && SMP @@ -988,6 +992,24 @@ config X86_ESPFIX64 def_bool y depends on X86_16BIT && X86_64 +config X86_VSYSCALL_EMULATION + bool "Enable vsyscall emulation" if EXPERT + default y + depends on X86_64 + ---help--- + This enables emulation of the legacy vsyscall page. Disabling + it is roughly equivalent to booting with vsyscall=none, except + that it will also disable the helpful warning if a program + tries to use a vsyscall. With this option set to N, offending + programs will just segfault, citing addresses of the form + 0xffffffffff600?00. + + This option is required by many programs built before 2013, and + care should be used even with newer programs if set to N. + + Disabling this option saves about 7K of kernel size and + possibly 4K of additional runtime pagetable memory. + config TOSHIBA tristate "Toshiba Laptop support" depends on X86_32