power: supply: ltc2941-battery-gauge: fix use-after-free

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index c24b6f7..f9fb621 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -26,6 +26,16 @@ config IRQ_WORK
 config BUILDTIME_EXTABLE_SORT
        bool
 
+config THREAD_INFO_IN_TASK
+       bool
+       help
+         Select this to move thread_info off the stack into task_struct.  To
+         make this work, an arch will need to remove all thread_info fields
+         except flags and fix any runtime bugs.
+
+         One subtle change that will be needed is to use try_get_task_stack()
+         and put_task_stack() in save_thread_stack_tsk() and get_wchan().
+
 menu "General setup"
 
 config BROKEN
@@ -1308,6 +1318,17 @@ source "usr/Kconfig"
 
 endif
 
+choice
+       prompt "Compiler optimization level"
+       default CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE
+
+config CC_OPTIMIZE_FOR_PERFORMANCE
+       bool "Optimize for performance"
+       help
+         This is the default optimization level for the kernel, building
+         with the "-O2" compiler flag for best performance and most
+         helpful compile-time warnings.
+
 config CC_OPTIMIZE_FOR_SIZE
        bool "Optimize for size"
        help
@@ -1316,6 +1337,8 @@ config CC_OPTIMIZE_FOR_SIZE
 
          If unsure, say N.
 
+endchoice
+
 config SYSCTL
        bool
 
@@ -1556,6 +1579,13 @@ config BPF_SYSCALL
          Enable the bpf() system call that allows to manipulate eBPF
          programs and maps via file descriptors.
 
+config BPF_JIT_ALWAYS_ON
+       bool "Permanently enable BPF JIT and remove BPF interpreter"
+       depends on BPF_SYSCALL && HAVE_EBPF_JIT && BPF_JIT
+       help
+         Enables BPF JIT and removes BPF interpreter to avoid
+         speculative execution of BPF instructions by the interpreter
+
 config SHMEM
        bool "Use full shmem filesystem" if EXPERT
        default y
@@ -2030,13 +2060,6 @@ config INIT_ALL_POSSIBLE
          it was better to provide this option than to break all the archs
          and have several arch maintainers pursuing me down dark alleys.
 
-config STOP_MACHINE
-       bool
-       default y
-       depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU
-       help
-         Need stop_machine() primitive.
-
 source "block/Kconfig"
 
 config PREEMPT_NOTIFIERS