arm: dts: rk3288-evb: modify panel to edp_panel

[firefly-linux-kernel-4.4.55.git] / arch / Kconfig

diff --git a/arch/Kconfig b/arch/Kconfig
index 4e949e58b1928363232abac3a69a25413e90652e..98f64ad1caf1817e5535a223f84412422c20c1ed 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -423,6 +423,15 @@ config CC_STACKPROTECTOR_STRONG
 
 endchoice
 
+config HAVE_ARCH_WITHIN_STACK_FRAMES
+       bool
+       help
+         An architecture should select this if it can walk the kernel stack
+         frames to determine if an object is part of either the arguments
+         or local variables (i.e. that it excludes saved return addresses,
+         and similar) by implementing an inline arch_within_stack_frames(),
+         which is used by CONFIG_HARDENED_USERCOPY.
+
 config HAVE_CONTEXT_TRACKING
        bool
        help
@@ -518,6 +527,74 @@ config HAVE_COPY_THREAD_TLS
          normal C parameter passing, rather than extracting the syscall
          argument from pt_regs.
 
+config HAVE_ARCH_MMAP_RND_BITS
+       bool
+       help
+         An arch should select this symbol if it supports setting a variable
+         number of bits for use in establishing the base address for mmap
+         allocations, has MMU enabled and provides values for both:
+         - ARCH_MMAP_RND_BITS_MIN
+         - ARCH_MMAP_RND_BITS_MAX
+
+config ARCH_MMAP_RND_BITS_MIN
+       int
+
+config ARCH_MMAP_RND_BITS_MAX
+       int
+
+config ARCH_MMAP_RND_BITS_DEFAULT
+       int
+
+config ARCH_MMAP_RND_BITS
+       int "Number of bits to use for ASLR of mmap base address" if EXPERT
+       range ARCH_MMAP_RND_BITS_MIN ARCH_MMAP_RND_BITS_MAX
+       default ARCH_MMAP_RND_BITS_DEFAULT if ARCH_MMAP_RND_BITS_DEFAULT
+       default ARCH_MMAP_RND_BITS_MIN
+       depends on HAVE_ARCH_MMAP_RND_BITS
+       help
+         This value can be used to select the number of bits to use to
+         determine the random offset to the base address of vma regions
+         resulting from mmap allocations. This value will be bounded
+         by the architecture's minimum and maximum supported values.
+
+         This value can be changed after boot using the
+         /proc/sys/vm/mmap_rnd_bits tunable
+
+config HAVE_ARCH_MMAP_RND_COMPAT_BITS
+       bool
+       help
+         An arch should select this symbol if it supports running applications
+         in compatibility mode, supports setting a variable number of bits for
+         use in establishing the base address for mmap allocations, has MMU
+         enabled and provides values for both:
+         - ARCH_MMAP_RND_COMPAT_BITS_MIN
+         - ARCH_MMAP_RND_COMPAT_BITS_MAX
+
+config ARCH_MMAP_RND_COMPAT_BITS_MIN
+       int
+
+config ARCH_MMAP_RND_COMPAT_BITS_MAX
+       int
+
+config ARCH_MMAP_RND_COMPAT_BITS_DEFAULT
+       int
+
+config ARCH_MMAP_RND_COMPAT_BITS
+       int "Number of bits to use for ASLR of mmap base address for compatible applications" if EXPERT
+       range ARCH_MMAP_RND_COMPAT_BITS_MIN ARCH_MMAP_RND_COMPAT_BITS_MAX
+       default ARCH_MMAP_RND_COMPAT_BITS_DEFAULT if ARCH_MMAP_RND_COMPAT_BITS_DEFAULT
+       default ARCH_MMAP_RND_COMPAT_BITS_MIN
+       depends on HAVE_ARCH_MMAP_RND_COMPAT_BITS
+       help
+         This value can be used to select the number of bits to use to
+         determine the random offset to the base address of vma regions
+         resulting from mmap allocations for compatible applications This
+         value will be bounded by the architecture's minimum and maximum
+         supported values.
+
+         This value can be changed after boot using the
+         /proc/sys/vm/mmap_rnd_compat_bits tunable
+
 #
 # ABI hall of shame
 #