[PATCH] riscv32: Use medany C model for modules

Palmer Dabbelt palmer at dabbelt.com
Sat Jun 12 17:23:47 PDT 2021


On Sun, 06 Jun 2021 15:09:40 PDT (-0700), Khem Raj wrote:
> When CONFIG_CMODEL_MEDLOW is used it ends up generating riscv_hi20_rela
> relocations in modules which are not resolved during runtime and
> following errors would be seen
>
> [    4.802714] virtio_input: target 00000000c1539090 can not be addressed by the 32-bit offset from PC = 39148b7b
> [    4.854800] virtio_input: target 00000000c1539090 can not be addressed by the 32-bit offset from PC = 9774456d
>
> Signed-off-by: Khem Raj <raj.khem at gmail.com>
> Cc: Paul Walmsley <paul.walmsley at sifive.com>
> Cc: Palmer Dabbelt <palmer at dabbelt.com>
> Cc: Albert Ou <aou at eecs.berkeley.edu>
> ---
>  arch/riscv/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
> index 4be020695428..99ecd8bcfd77 100644
> --- a/arch/riscv/Makefile
> +++ b/arch/riscv/Makefile
> @@ -16,7 +16,7 @@ ifeq ($(CONFIG_DYNAMIC_FTRACE),y)
>  	CC_FLAGS_FTRACE := -fpatchable-function-entry=8
>  endif
>
> -ifeq ($(CONFIG_64BIT)$(CONFIG_CMODEL_MEDLOW),yy)
> +ifeq ($(CONFIG_CMODEL_MEDLOW),y)
>  KBUILD_CFLAGS_MODULE += -mcmodel=medany
>  endif

Thanks, this is on fixes.



More information about the linux-riscv mailing list