Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[cascardo/linux.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 147a7b7..5d0bf1a 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -21,6 +21,7 @@ config X86_64
 ### Arch settings
 config X86
        def_bool y
+       select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
        select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
        select ARCH_MIGHT_HAVE_PC_PARPORT
        select ARCH_MIGHT_HAVE_PC_SERIO
@@ -54,7 +55,6 @@ config X86
        select HAVE_FUNCTION_TRACER
        select HAVE_FUNCTION_GRAPH_TRACER
        select HAVE_FUNCTION_GRAPH_FP_TEST
-       select HAVE_FUNCTION_TRACE_MCOUNT_TEST
        select HAVE_SYSCALL_TRACEPOINTS
        select SYSCTL_EXCEPTION_TRACE
        select HAVE_KVM
@@ -96,6 +96,7 @@ config X86
        select IRQ_FORCED_THREADING
        select HAVE_BPF_JIT if X86_64
        select HAVE_ARCH_TRANSPARENT_HUGEPAGE
+       select ARCH_HAS_SG_CHAIN
        select CLKEVT_I8253
        select ARCH_HAVE_NMI_SAFE_CMPXCHG
        select GENERIC_IOMAP
@@ -109,9 +110,9 @@ config X86
        select CLOCKSOURCE_WATCHDOG
        select GENERIC_CLOCKEVENTS
        select ARCH_CLOCKSOURCE_DATA
+       select CLOCKSOURCE_VALIDATE_LAST_CYCLE
        select GENERIC_CLOCKEVENTS_BROADCAST if X86_64 || (X86_32 && X86_LOCAL_APIC)
        select GENERIC_TIME_VSYSCALL
-       select KTIME_SCALAR if X86_32
        select GENERIC_STRNCPY_FROM_USER
        select GENERIC_STRNLEN_USER
        select HAVE_CONTEXT_TRACKING if X86_64
@@ -131,6 +132,10 @@ config X86
        select HAVE_CC_STACKPROTECTOR
        select GENERIC_CPU_AUTOPROBE
        select HAVE_ARCH_AUDITSYSCALL
+       select ARCH_SUPPORTS_ATOMIC_RMW
+       select HAVE_ACPI_APEI if ACPI
+       select HAVE_ACPI_APEI_NMI if ACPI
+       select ACPI_LEGACY_TABLES_LOOKUP if ACPI
 
 config INSTRUCTION_DECODER
        def_bool y
@@ -1524,6 +1529,7 @@ config EFI
        bool "EFI runtime service support"
        depends on ACPI
        select UCS2_STRING
+       select EFI_RUNTIME_WRAPPERS
        ---help---
          This enables the kernel to use EFI runtime services that are
          available (such as the EFI variable services).
@@ -1537,7 +1543,8 @@ config EFI
 
 config EFI_STUB
        bool "EFI stub support"
-       depends on EFI
+       depends on EFI && !X86_USE_3DNOW
+       select RELOCATABLE
        ---help---
           This kernel feature allows a bzImage to be loaded directly
          by EFI firmware without the use of a bootloader.
@@ -1578,6 +1585,9 @@ source kernel/Kconfig.hz
 
 config KEXEC
        bool "kexec system call"
+       select BUILD_BIN2C
+       select CRYPTO
+       select CRYPTO_SHA256
        ---help---
          kexec is a system call that implements the ability to shutdown your
          current kernel, and to start another kernel.  It is like a reboot
@@ -1592,6 +1602,28 @@ config KEXEC
          interface is strongly in flux, so no good recommendation can be
          made.
 
+config KEXEC_VERIFY_SIG
+       bool "Verify kernel signature during kexec_file_load() syscall"
+       depends on KEXEC
+       ---help---
+         This option makes kernel signature verification mandatory for
+         kexec_file_load() syscall. If kernel is signature can not be
+         verified, kexec_file_load() will fail.
+
+         This option enforces signature verification at generic level.
+         One needs to enable signature verification for type of kernel
+         image being loaded to make sure it works. For example, enable
+         bzImage signature verification option to be able to load and
+         verify signatures of bzImage. Otherwise kernel loading will fail.
+
+config KEXEC_BZIMAGE_VERIFY_SIG
+       bool "Enable bzImage signature verification support"
+       depends on KEXEC_VERIFY_SIG
+       depends on SIGNED_PE_FILE_VERIFICATION
+       select SYSTEM_TRUSTED_KEYRING
+       ---help---
+         Enable bzImage signature verification support.
+
 config CRASH_DUMP
        bool "kernel crash dumps"
        depends on X86_64 || (X86_32 && HIGHMEM)
@@ -2405,6 +2437,10 @@ config IOSF_MBI
        default m
        depends on PCI
 
+config PMC_ATOM
+       def_bool y
+        depends on PCI
+
 source "net/Kconfig"
 
 source "drivers/Kconfig"