diff options
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index cc9ba6798848..b1d4b481fcdd 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -126,6 +126,7 @@ config X86 select CLOCKSOURCE_VALIDATE_LAST_CYCLE select CLOCKSOURCE_WATCHDOG select DCACHE_WORD_ACCESS + select DYNAMIC_SIGFRAME select EDAC_ATOMIC_SCRUB select EDAC_SUPPORT select GENERIC_CLOCKEVENTS_BROADCAST if X86_64 || (X86_32 && X86_LOCAL_APIC) @@ -611,9 +612,7 @@ config X86_INTEL_MID depends on X86_IO_APIC select I2C select DW_APB_TIMER - select APB_TIMER select INTEL_SCU_PCI - select MFD_INTEL_MSIC help Select to build a kernel capable of supporting Intel MID (Mobile Internet Device) platform systems which do not have the PCI legacy @@ -1002,6 +1001,17 @@ config NR_CPUS This is purely to save memory: each supported CPU adds about 8KB to the kernel image. +config SCHED_CLUSTER + bool "Cluster scheduler support" + depends on SMP + default y + help + Cluster scheduler support improves the CPU scheduler's decision + making when dealing with machines that have clusters of CPUs. + Cluster usually means a couple of CPUs which are placed closely + by sharing mid-level caches, last-level cache tags or internal + busses. + config SCHED_SMT def_bool y if SMP @@ -1257,7 +1267,8 @@ config TOSHIBA config I8K tristate "Dell i8k legacy laptop support" - select HWMON + depends on HWMON + depends on PROC_FS select SENSORS_DELL_SMM help This option enables legacy /proc/i8k userspace interface in hwmon @@ -1406,7 +1417,7 @@ config HIGHMEM4G config HIGHMEM64G bool "64GB" - depends on !M486SX && !M486 && !M586 && !M586TSC && !M586MMX && !MGEODE_LX && !MGEODEGX1 && !MCYRIXIII && !MELAN && !MWINCHIPC6 && !WINCHIP3D && !MK6 + depends on !M486SX && !M486 && !M586 && !M586TSC && !M586MMX && !MGEODE_LX && !MGEODEGX1 && !MCYRIXIII && !MELAN && !MWINCHIPC6 && !MWINCHIP3D && !MK6 select X86_PAE help Select this if you have a 32-bit processor and more than 4 @@ -1519,6 +1530,7 @@ config AMD_MEM_ENCRYPT select ARCH_HAS_FORCE_DMA_UNENCRYPTED select INSTRUCTION_DECODER select ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS + select ARCH_HAS_CC_PLATFORM help Say yes to enable support for the encryption of system memory. This requires an AMD processor that supports Secure Memory @@ -1526,7 +1538,6 @@ config AMD_MEM_ENCRYPT config AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT bool "Activate AMD Secure Memory Encryption (SME) by default" - default y depends on AMD_MEM_ENCRYPT help Say yes to have system memory encrypted by default if running on @@ -2390,6 +2401,22 @@ config MODIFY_LDT_SYSCALL Saying 'N' here may make sense for embedded or server kernels. +config STRICT_SIGALTSTACK_SIZE + bool "Enforce strict size checking for sigaltstack" + depends on DYNAMIC_SIGFRAME + help + For historical reasons MINSIGSTKSZ is a constant which became + already too small with AVX512 support. Add a mechanism to + enforce strict checking of the sigaltstack size against the + real size of the FPU frame. This option enables the check + by default. It can also be controlled via the kernel command + line option 'strict_sas_size' independent of this config + switch. Enabling it might break existing applications which + allocate a too small sigaltstack but 'work' because they + never get a signal delivered. + + Say 'N' unless you want to really enforce this check. + source "kernel/livepatch/Kconfig" endmenu @@ -2833,8 +2860,6 @@ config HAVE_ATOMIC_IOMAP def_bool y depends on X86_32 -source "drivers/firmware/Kconfig" - source "arch/x86/kvm/Kconfig" source "arch/x86/Kconfig.assembler" |