[PATCH] RISC-V: Make CONFIG_RELOCATABLE user selectable
schwab at linux-m68k.org
Wed Oct 27 01:00:31 PDT 2021
On Okt 26 2021, Palmer Dabbelt wrote:
> +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.
When in doubt, do what?
Andreas Schwab, schwab at linux-m68k.org
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