Re: [PATCH v3 09/13] powerpc: extend execmem_params for kprobes allocations

From: Song Liu
Date: Thu Sep 21 2023 - 18:31:05 EST


On Mon, Sep 18, 2023 at 12:31 AM Mike Rapoport <rppt@xxxxxxxxxx> wrote:
>
[...]
> @@ -135,5 +138,13 @@ struct execmem_params __init *execmem_arch_params(void)
>
> range->pgprot = prot;
>
> + execmem_params.ranges[EXECMEM_KPROBES].start = VMALLOC_START;
> + execmem_params.ranges[EXECMEM_KPROBES].start = VMALLOC_END;

.end = VMALLOC_END.

Thanks,
Song

> +
> + if (strict_module_rwx_enabled())
> + execmem_params.ranges[EXECMEM_KPROBES].pgprot = PAGE_KERNEL_ROX;
> + else
> + execmem_params.ranges[EXECMEM_KPROBES].pgprot = PAGE_KERNEL_EXEC;
> +
> return &execmem_params;
> }
> --
> 2.39.2
>
>