arm64: Add support for relocating the kernel with RELR relocations

[linux-2.6-block.git] / arch / Kconfig

diff --git a/arch/Kconfig b/arch/Kconfig
index a7b57dd42c26698b319430ac65cd81610ba08b71..aa6bdb3df5c172bd1a63de57420e8a04241d7d55 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -925,6 +925,20 @@ config LOCK_EVENT_COUNTS
          the chance of application behavior change because of timing
          differences. The counts are reported via debugfs.
 
+# Select if the architecture has support for applying RELR relocations.
+config ARCH_HAS_RELR
+       bool
+
+config RELR
+       bool "Use RELR relocation packing"
+       depends on ARCH_HAS_RELR && TOOLS_SUPPORT_RELR
+       default y
+       help
+         Store the kernel's dynamic relocations in the RELR relocation packing
+         format. Requires a compatible linker (LLD supports this feature), as
+         well as compatible NM and OBJCOPY utilities (llvm-nm and llvm-objcopy
+         are compatible).
+
 source "kernel/gcov/Kconfig"
 
 source "scripts/gcc-plugins/Kconfig"