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Re: [PATCH] x86/mm: Export cpu_tlbstate as non-GPL symbol

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  Re: [PATCH] x86/mm: Export cpu_tlbstate as non-GPL symbol Andy Lutomirski <luto@amacapital.net> - 2015-09-22 21:00 +0200

#1230779 — Re: [PATCH] x86/mm: Export cpu_tlbstate as non-GPL symbol

On Tue, Sep 22, 2015 at 11:51 AM, James Forcier <csssuf@csssuf.net> wrote:
> Exporting cpu_tlbstate as a GPL symbol was introduced in 1e02ce4c; however, this
> breaks non-GPL modules which need to link against it, particularly the AMD
> Catalyst drivers.

What is AMD Catalyst doing with cpu_tlbstate?

--Andy

>
> Signed-off-by: James Forcier <csssuf@csssuf.net>
> ---
>  arch/x86/mm/init.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
> index 1d8a83d..94be56b 100644
> --- a/arch/x86/mm/init.c
> +++ b/arch/x86/mm/init.c
> @@ -742,7 +742,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = {
>  #endif
>         .cr4 = ~0UL,    /* fail hard if we screw up cr4 shadow initialization */
>  };
> -EXPORT_SYMBOL_GPL(cpu_tlbstate);
> +EXPORT_SYMBOL(cpu_tlbstate);
>
>  void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache)
>  {
> --
> 2.4.6
>



-- 
Andy Lutomirski
AMA Capital Management, LLC
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