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Message-ID: <5601b896-f67c-432d-a169-0f08928123fc@ghiti.fr>
Date: Mon, 22 Jan 2024 21:03:25 +0100
From: Alexandre Ghiti <alex@...ti.fr>
To: David Hildenbrand <david@...hat.com>, linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
 Matthew Wilcox <willy@...radead.org>, Ryan Roberts <ryan.roberts@....com>,
 Russell King <linux@...linux.org.uk>,
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 Dinh Nguyen <dinguyen@...nel.org>, Michael Ellerman <mpe@...erman.id.au>,
 Nicholas Piggin <npiggin@...il.com>,
 Christophe Leroy <christophe.leroy@...roup.eu>,
 "Aneesh Kumar K.V" <aneesh.kumar@...nel.org>,
 "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Alexander Gordeev <agordeev@...ux.ibm.com>,
 Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
 Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>,
 Christian Borntraeger <borntraeger@...ux.ibm.com>,
 Sven Schnelle <svens@...ux.ibm.com>, "David S. Miller"
 <davem@...emloft.net>, linux-arm-kernel@...ts.infradead.org,
 linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org,
 linux-s390@...r.kernel.org, sparclinux@...r.kernel.org
Subject: Re: [PATCH v1 04/11] risc: pgtable: define PFN_PTE_SHIFT

Hi David,

On 22/01/2024 20:41, David Hildenbrand wrote:
> We want to make use of pte_next_pfn() outside of set_ptes(). Let's
> simpliy define PFN_PTE_SHIFT, required by pte_next_pfn().
>
> Signed-off-by: David Hildenbrand <david@...hat.com>
> ---
>   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 0c94260b5d0c1..add5cd30ab34d 100644
> --- a/arch/riscv/include/asm/pgtable.h
> +++ b/arch/riscv/include/asm/pgtable.h
> @@ -523,6 +523,8 @@ static inline void __set_pte_at(pte_t *ptep, pte_t pteval)
>   	set_pte(ptep, pteval);
>   }
>   
> +#define PFN_PTE_SHIFT		_PAGE_PFN_SHIFT
> +
>   static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
>   		pte_t *ptep, pte_t pteval, unsigned int nr)
>   {


There is a typo in the commit title: risc -> riscv. Otherwise, this is 
right so:

Reviewed-by: Alexandre Ghiti <alexghiti@...osinc.com>

Thanks,

Alex


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