Re: [PATCH -next V8 02/14] riscv: elf_kexec: Fixup compile warning

From: Björn Töpel
Date: Mon Dec 05 2022 - 04:13:46 EST


guoren@xxxxxxxxxx writes:

> From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
>
> If CRYTPO or CRYPTO_SHA256 or KEXE_FILE is not enabled, then:
>
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1
> O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/
>
> ../arch/riscv/kernel/elf_kexec.c: In function 'elf_kexec_load':
> ../arch/riscv/kernel/elf_kexec.c:185:23: warning: variable
> 'kernel_start' set but not used [-Wunused-but-set-variable]
> 185 | unsigned long kernel_start;
> | ^~~~~~~~~~~~
>
> Fixes: 838b3e28488f ("RISC-V: Load purgatory in kexec_file")
> Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Guo Ren <guoren@xxxxxxxxxx>
> Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> ---
> arch/riscv/kernel/elf_kexec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/kernel/elf_kexec.c b/arch/riscv/kernel/elf_kexec.c
> index 0cb94992c15b..4b9264340b78 100644
> --- a/arch/riscv/kernel/elf_kexec.c
> +++ b/arch/riscv/kernel/elf_kexec.c
> @@ -198,7 +198,7 @@ static void *elf_kexec_load(struct kimage *image, char *kernel_buf,
> if (ret)
> goto out;
> kernel_start = image->start;
> - pr_notice("The entry point of kernel at 0x%lx\n", image->start);
> + pr_notice("The entry point of kernel at 0x%lx\n", kernel_start);

This patch shouldn't be part of the generic entry series. It's just a
generic fix! Please have this as a separate patch.