diff options
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c876bace8fd..32a1918e1b8 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -49,7 +49,9 @@ config X86 select HAVE_KERNEL_GZIP select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_LZMA + select HAVE_HW_BREAKPOINT select HAVE_ARCH_KMEMCHECK + select HAVE_USER_RETURN_NOTIFIER config OUTPUT_FORMAT string @@ -491,7 +493,7 @@ if PARAVIRT_GUEST source "arch/x86/xen/Kconfig" config VMI - bool "VMI Guest support" + bool "VMI Guest support (DEPRECATED)" select PARAVIRT depends on X86_32 ---help--- @@ -500,6 +502,15 @@ config VMI at the moment), by linking the kernel to a GPL-ed ROM module provided by the hypervisor. + As of September 2009, VMware has started a phased retirement + of this feature from VMware's products. Please see + feature-removal-schedule.txt for details. If you are + planning to enable this option, please note that you cannot + live migrate a VMI enabled VM to a future VMware product, + which doesn't support VMI. So if you expect your kernel to + seamlessly migrate to newer VMware products, keep this + disabled. + config KVM_CLOCK bool "KVM paravirtualized clock" select PARAVIRT @@ -1321,7 +1332,9 @@ config MATH_EMULATION kernel, it won't hurt. config MTRR - bool "MTRR (Memory Type Range Register) support" + bool + default y + prompt "MTRR (Memory Type Range Register) support" if EMBEDDED ---help--- On Intel P6 family processors (Pentium Pro, Pentium II and later) the Memory Type Range Registers (MTRRs) may be used to control @@ -1387,7 +1400,8 @@ config MTRR_SANITIZER_SPARE_REG_NR_DEFAULT config X86_PAT bool - prompt "x86 PAT support" + default y + prompt "x86 PAT support" if EMBEDDED depends on MTRR ---help--- Use PAT attributes to setup page level cache control. @@ -1434,12 +1448,8 @@ config SECCOMP If unsure, say Y. Only embedded should say N here. -config CC_STACKPROTECTOR_ALL - bool - config CC_STACKPROTECTOR bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" - select CC_STACKPROTECTOR_ALL ---help--- This option turns on the -fstack-protector GCC feature. This feature puts, at the beginning of functions, a canary value on @@ -1597,7 +1607,7 @@ config COMPAT_VDSO depends on X86_32 || IA32_EMULATION ---help--- Map the 32-bit VDSO to the predictable old-style address too. - ---help--- + Say N here if you are running a sufficiently recent glibc version (2.3.3 or later), to remove the high-mapped VDSO mapping and to exclusively use the randomized VDSO. |