Merge tag 'compiler-attributes-for-linus-v5.4' of git://github.com/ojeda/linux

[sfrench/cifs-2.6.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index ec1021fd33712afdc98b5ff454518320d858d8f5..7020238fd2638d02b6de04f3bf61335a5ef2086d 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -33,6 +33,9 @@ config CC_HAS_ASM_GOTO
 config TOOLS_SUPPORT_RELR
        def_bool $(success,env "CC=$(CC)" "LD=$(LD)" "NM=$(NM)" "OBJCOPY=$(OBJCOPY)" $(srctree)/scripts/tools-support-relr.sh)
 
+config CC_HAS_ASM_INLINE
+       def_bool $(success,echo 'void foo(void) { asm inline (""); }' | $(CC) -x c - -c -o /dev/null)
+
 config CC_HAS_WARN_MAYBE_UNINITIALIZED
        def_bool $(cc-option,-Wmaybe-uninitialized)
        help
@@ -1234,20 +1237,26 @@ choice
        default CC_OPTIMIZE_FOR_PERFORMANCE
 
 config CC_OPTIMIZE_FOR_PERFORMANCE
-       bool "Optimize for performance"
+       bool "Optimize for performance (-O2)"
        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"
+config CC_OPTIMIZE_FOR_PERFORMANCE_O3
+       bool "Optimize more for performance (-O3)"
+       depends on ARC
        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.
+         Choosing this option will pass "-O3" to your compiler to optimize
+         the kernel yet more for performance.
 
-         If unsure, say N.
+config CC_OPTIMIZE_FOR_SIZE
+       bool "Optimize for size (-Os)"
+       imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED  # avoid false positives
+       help
+         Choosing this option will pass "-Os" to your compiler resulting
+         in a smaller kernel.
 
 endchoice
 
@@ -2014,6 +2023,14 @@ config MODVERSIONS
          make them incompatible with the kernel you are running.  If
          unsure, say N.
 
+config ASM_MODVERSIONS
+       bool
+       default HAVE_ASM_MODVERSIONS && MODVERSIONS
+       help
+         This enables module versioning for exported symbols also from
+         assembly. This can be enabled only when the target architecture
+         supports it.
+
 config MODULE_REL_CRCS
        bool
        depends on MODVERSIONS