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-rw-r--r--arch/powerpc/Kconfig25
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 6189238e69f8..afb608413314 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -109,14 +109,6 @@ config GENERIC_LOCKBREAK
default y
depends on SMP && PREEMPT
-config ARCH_HAS_ILOG2_U32
- bool
- default y
-
-config ARCH_HAS_ILOG2_U64
- bool
- default y if 64BIT
-
config GENERIC_HWEIGHT
bool
default y
@@ -138,6 +130,7 @@ config PPC
select ARCH_HAS_SG_CHAIN
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_HAS_ZONE_DEVICE if PPC_BOOK3S_64
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
@@ -163,7 +156,7 @@ config PPC
select GENERIC_SMP_IDLE_THREAD
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
- select GENERIC_TIME_VSYSCALL_OLD
+ select GENERIC_TIME_VSYSCALL
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_KGDB
@@ -171,6 +164,8 @@ config PPC
select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
+ select ARCH_HAS_STRICT_KERNEL_RWX if (PPC_BOOK3S_64 && !RELOCATABLE && !HIBERNATION)
+ select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
select HAVE_CBPF_JIT if !PPC64
select HAVE_CONTEXT_TRACKING if PPC64
select HAVE_DEBUG_KMEMLEAK
@@ -208,6 +203,7 @@ config PPC
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_VIRT_CPU_ACCOUNTING
+ select HAVE_IRQ_TIME_ACCOUNTING
select IRQ_DOMAIN
select IRQ_FORCED_THREADING
select MODULES_USE_ELF_RELA
@@ -438,6 +434,17 @@ config PPC_TRANSACTIONAL_MEM
---help---
Support user-mode Transactional Memory on POWERPC.
+config LD_HEAD_STUB_CATCH
+ bool "Reserve 256 bytes to cope with linker stubs in HEAD text" if EXPERT
+ depends on PPC64
+ default n
+ help
+ Very large kernels can cause linker branch stubs to be generated by
+ code in head_64.S, which moves the head text sections out of their
+ specified location. This option can work around the problem.
+
+ If unsure, say "N".
+
config DISABLE_MPROFILE_KERNEL
bool "Disable use of mprofile-kernel for kernel tracing"
depends on PPC64 && CPU_LITTLE_ENDIAN