diff options
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9d734f3c8234..57552f2b37eb 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -66,7 +66,6 @@ config X86 select ARCH_HAS_UACCESS_FLUSHCACHE if X86_64 select ARCH_HAS_UACCESS_MCSAFE if X86_64 && X86_MCE select ARCH_HAS_SET_MEMORY - select ARCH_HAS_SG_CHAIN select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_SYNC_CORE_BEFORE_USERMODE @@ -90,7 +89,6 @@ config X86 select CLOCKSOURCE_VALIDATE_LAST_CYCLE select CLOCKSOURCE_WATCHDOG select DCACHE_WORD_ACCESS - select DMA_DIRECT_OPS select EDAC_ATOMIC_SCRUB select EDAC_SUPPORT select GENERIC_CLOCKEVENTS @@ -444,19 +442,23 @@ config RETPOLINE branches. Requires a compiler with -mindirect-branch=thunk-extern support for full protection. The kernel may run slower. - Without compiler support, at least indirect branches in assembler - code are eliminated. Since this includes the syscall entry path, - it is not entirely pointless. - -config INTEL_RDT - bool "Intel Resource Director Technology support" - depends on X86 && CPU_SUP_INTEL +config RESCTRL + bool "Resource Control support" + depends on X86 && (CPU_SUP_INTEL || CPU_SUP_AMD) select KERNFS help - Select to enable resource allocation and monitoring which are - sub-features of Intel Resource Director Technology(RDT). More - information about RDT can be found in the Intel x86 - Architecture Software Developer Manual. + Enable Resource Control support. + + Provide support for the allocation and monitoring of system resources + usage by the CPU. + + Intel calls this Intel Resource Director Technology + (Intel(R) RDT). More information about RDT can be found in the + Intel x86 Architecture Software Developer Manual. + + AMD calls this AMD Platform Quality of Service (AMD QoS). + More information about AMD QoS can be found in the AMD64 Technology + Platform Quality of Service Extensions manual. Say N if unsure. @@ -800,6 +802,12 @@ config KVM_GUEST underlying device model, the host provides the guest with timing infrastructure such as time of day, and system time +config PVH + bool "Support for running PVH guests" + ---help--- + This option enables the PVH entry point for guest virtual machines + as specified in the x86/HVM direct boot ABI. + config KVM_DEBUG_FS bool "Enable debug information for KVM Guests in debugfs" depends on KVM_GUEST && DEBUG_FS @@ -1004,13 +1012,7 @@ config NR_CPUS to the kernel image. config SCHED_SMT - bool "SMT (Hyperthreading) scheduler support" - depends on SMP - ---help--- - SMT scheduler support improves the CPU scheduler's decision making - when dealing with Intel Pentium 4 chips with HyperThreading at a - cost of slightly increased overhead in some places. If unsure say - N here. + def_bool y if SMP config SCHED_MC def_bool y |