linux-kernel - Re: [PATCH] riscv: Fix compilation error with FAST

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Date: Mon, 4 Mar 2024 08:47:43 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Alexandre Ghiti <alexghiti@...osinc.com>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Stephen Rothwell <sfr@...b.auug.org.au>,
 Linux Next Mailing List <linux-next@...r.kernel.org>,
 linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] riscv: Fix compilation error with FAST_GUP and rv32



On 3/4/24 00:02, Alexandre Ghiti wrote:
> By surrounding the definition of pte_leaf_size() with a ifdef napot as
> it should have been.
> 
> Fixes: e0fe5ab4192c ("riscv: Fix pte_leaf_size() for NAPOT")
> Signed-off-by: Alexandre Ghiti <alexghiti@...osinc.com>


Reviewed-by: Randy Dunlap <rdunlap@...radead.org>
Tested-by: Randy Dunlap <rdunlap@...radead.org> # build-tested

Thanks.

> ---
>  arch/riscv/include/asm/pgtable.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
> index 25ca14f6942c..54d26a07fa63 100644
> --- a/arch/riscv/include/asm/pgtable.h
> +++ b/arch/riscv/include/asm/pgtable.h
> @@ -439,9 +439,11 @@ static inline pte_t pte_mkhuge(pte_t pte)
>  	return pte;
>  }
>  
> +#ifdef CONFIG_RISCV_ISA_SVNAPOT
>  #define pte_leaf_size(pte)	(pte_napot(pte) ?				\
>  					napot_cont_size(napot_cont_order(pte)) :\
>  					PAGE_SIZE)
> +#endif
>  
>  #ifdef CONFIG_NUMA_BALANCING
>  /*

-- 
#Randy