[PATCH] powerpc32/bpf: fix loading fsession func metadata using PPC_LI32

[Hari Bathini]

On 08/04/26 11:23 am, adubey at linux.ibm.com wrote:
> From: Abhishek Dubey <adubey at linux.ibm.com>
> 
> PPC_RAW_LI32 is not a valid macro in the PowerPC BPF JIT. Use PPC_LI32,
> which correctly handles immediate loads for large values.
> Fixes the build error introduced when adding fsession support on ppc32.
> 

Thanks for the fix.

Reviewed-by: Hari Bathini <hbathini at linux.ibm.com>

> Reported-by: kernel test robot <lkp at intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202604040212.jIxEd2DW-lkp@intel.com/
> Fixes: 92258b5bf1ec ("powerpc32/bpf: Add fsession support")
> Signed-off-by: Abhishek Dubey <adubey at linux.ibm.com>
> ---
> Need to apply on tp of powerpc -next, as this fixes a build error reported on that branch
> 
>   arch/powerpc/net/bpf_jit_comp32.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c
> index f3ae89e1d1d0..bfdc50740da8 100644
> --- a/arch/powerpc/net/bpf_jit_comp32.c
> +++ b/arch/powerpc/net/bpf_jit_comp32.c
> @@ -150,11 +150,11 @@ void store_func_meta(u32 *image, struct codegen_context *ctx,
>   	 * func_meta := argument count in first byte + cookie value
>   	 */
>   	/* Store lower word */
> -	EMIT(PPC_RAW_LI32(bpf_to_ppc(TMP_REG), (u32)func_meta));
> +	PPC_LI32(bpf_to_ppc(TMP_REG), (u32)func_meta);
>   	EMIT(PPC_RAW_STW(bpf_to_ppc(TMP_REG), _R1, func_meta_off));
>   
>   	/* Store upper word */
> -	EMIT(PPC_RAW_LI32(bpf_to_ppc(TMP_REG), (u32)(func_meta >> 32)));
> +	PPC_LI32(bpf_to_ppc(TMP_REG), (u32)(func_meta >> 32));
>   	EMIT(PPC_RAW_STW(bpf_to_ppc(TMP_REG), _R1, func_meta_off + 4));
>   }
>