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Date: Mon, 22 Jan 2024 21:08:24 +0100
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Subject: Re: [PATCH v1 04/11] risc: pgtable: define PFN_PTE_SHIFT
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To: Alexandre Ghiti <alex@ghiti.fr>, linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
 Matthew Wilcox <willy@infradead.org>, Ryan Roberts <ryan.roberts@arm.com>,
 Russell King <linux@armlinux.org.uk>,
 Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>,
 Dinh Nguyen <dinguyen@kernel.org>, Michael Ellerman <mpe@ellerman.id.au>,
 Nicholas Piggin <npiggin@gmail.com>,
 Christophe Leroy <christophe.leroy@csgroup.eu>,
 "Aneesh Kumar K.V" <aneesh.kumar@kernel.org>,
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 Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt
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 Alexander Gordeev <agordeev@linux.ibm.com>,
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References: <20240122194200.381241-1-david@redhat.com>
 <20240122194200.381241-5-david@redhat.com>
 <5601b896-f67c-432d-a169-0f08928123fc@ghiti.fr>
From: David Hildenbrand <david@redhat.com>
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In-Reply-To: <5601b896-f67c-432d-a169-0f08928123fc@ghiti.fr>
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On 22.01.24 21:03, Alexandre Ghiti wrote:
> 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@redhat.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:

Whops :)

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

Thanks!

-- 
Cheers,

David / dhildenb