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-rw-r--r--init/Kconfig22
1 files changed, 4 insertions, 18 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 7faf3bb07415..41b82f188c33 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -27,22 +27,6 @@ config CLANG_VERSION
config CC_HAS_ASM_GOTO
def_bool $(success,$(srctree)/scripts/gcc-goto.sh $(CC))
-config CC_HAS_WARN_MAYBE_UNINITIALIZED
- def_bool $(cc-option,-Wmaybe-uninitialized)
- help
- GCC >= 4.7 supports this option.
-
-config CC_DISABLE_WARN_MAYBE_UNINITIALIZED
- bool
- depends on CC_HAS_WARN_MAYBE_UNINITIALIZED
- default CC_IS_GCC && GCC_VERSION < 40900 # unreliable for GCC < 4.9
- help
- GCC's -Wmaybe-uninitialized is not reliable by definition.
- Lots of false positive warnings are produced in some cases.
-
- If this option is enabled, -Wno-maybe-uninitialzed is passed
- to the compiler to suppress maybe-uninitialized warnings.
-
config CONSTRUCTORS
bool
depends on !UML
@@ -840,6 +824,7 @@ config CFS_BANDWIDTH
config RT_GROUP_SCHED
bool "Group scheduling for SCHED_RR/FIFO"
depends on CGROUP_SCHED
+ depends on !PREEMPT_RT_FULL
default n
help
This feature lets you explicitly allocate real CPU bandwidth
@@ -1139,7 +1124,6 @@ config CC_OPTIMIZE_FOR_PERFORMANCE
config CC_OPTIMIZE_FOR_SIZE
bool "Optimize for size"
- imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED # avoid false positives
help
Enabling this option will pass "-Os" instead of "-O2" to
your compiler resulting in a smaller kernel.
@@ -1718,6 +1702,7 @@ choice
config SLAB
bool "SLAB"
+ depends on !PREEMPT_RT_FULL
select HAVE_HARDENED_USERCOPY_ALLOCATOR
help
The regular slab allocator that is established and known to work
@@ -1738,6 +1723,7 @@ config SLUB
config SLOB
depends on EXPERT
bool "SLOB (Simple Allocator)"
+ depends on !PREEMPT_RT_FULL
help
SLOB replaces the stock allocator with a drastically simpler
allocator. SLOB is generally more space efficient but
@@ -1803,7 +1789,7 @@ config SHUFFLE_PAGE_ALLOCATOR
config SLUB_CPU_PARTIAL
default y
- depends on SLUB && SMP
+ depends on SLUB && SMP && !PREEMPT_RT_FULL
bool "SLUB per cpu partial cache"
help
Per cpu partial caches accellerate objects allocation and freeing