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Subject[PATCH] RISC-V: Make CONFIG_RELOCATABLE user selectable
Date
From
From: Palmer Dabbelt <palmerdabbelt@google.com>

This should really be up to the user, as it trades off portability for
performance.

Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
---
arch/riscv/Kconfig | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 5dea03549493..f8a36034d54b 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -212,18 +212,6 @@ config PGTABLE_LEVELS
config LOCKDEP_SUPPORT
def_bool y

-config RELOCATABLE
- bool
- depends on MMU && 64BIT && !XIP_KERNEL
- help
- This builds a kernel as a Position Independent Executable (PIE),
- which retains all relocation metadata required to relocate the
- kernel binary at runtime to a different virtual address than the
- address it was linked at.
- Since RISCV uses the RELA relocation format, this requires a
- relocation pass at runtime even if the kernel is loaded at the
- same address it was linked at.
-
source "arch/riscv/Kconfig.socs"
source "arch/riscv/Kconfig.erratas"

@@ -433,6 +421,18 @@ config CRASH_DUMP

For more details see Documentation/admin-guide/kdump/kdump.rst

+config RELOCATABLE
+ bool "Build a relocatable kernel"
+ depends on MMU && 64BIT && !XIP_KERNEL
+ help
+ This builds a kernel as a Position Independent Executable (PIE),
+ which retains all relocation metadata required to relocate the
+ kernel binary at runtime to a different virtual address than the
+ address it was linked at.
+ Since RISCV uses the RELA relocation format, this requires a
+ relocation pass at runtime even if the kernel is loaded at the
+ same address it was linked at.
+
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