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From:   Song Liu <song@kernel.org>
Date:   Thu, 21 Sep 2023 15:30:46 -0700
Message-ID: <CAPhsuW5Vg7yDn8zb5ez4JY4efoQ6aW+vYm9OL+Xr0NJnLfMYHg@mail.gmail.com>
Subject: Re: [PATCH v3 09/13] powerpc: extend execmem_params for kprobes allocations
To:     Mike Rapoport <rppt@kernel.org>
Cc:     linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>,
        =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn@kernel.org>,
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        Dinh Nguyen <dinguyen@kernel.org>,
        Heiko Carstens <hca@linux.ibm.com>,
        Helge Deller <deller@gmx.de>,
        Huacai Chen <chenhuacai@kernel.org>,
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        Nadav Amit <nadav.amit@gmail.com>,
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On Mon, Sep 18, 2023 at 12:31=E2=80=AFAM Mike Rapoport <rppt@kernel.org> wr=
ote:
>
[...]
> @@ -135,5 +138,13 @@ struct execmem_params __init *execmem_arch_params(vo=
id)
>
>         range->pgprot =3D prot;
>
> +       execmem_params.ranges[EXECMEM_KPROBES].start =3D VMALLOC_START;
> +       execmem_params.ranges[EXECMEM_KPROBES].start =3D VMALLOC_END;

.end =3D VMALLOC_END.

Thanks,
Song

> +
> +       if (strict_module_rwx_enabled())
> +               execmem_params.ranges[EXECMEM_KPROBES].pgprot =3D PAGE_KE=
RNEL_ROX;
> +       else
> +               execmem_params.ranges[EXECMEM_KPROBES].pgprot =3D PAGE_KE=
RNEL_EXEC;
> +
>         return &execmem_params;
>  }
> --
> 2.39.2
>
>