linux-kernel - Re: [PATCH v2 08/15] mm/pgtable: make pte_next_pfn() independent of set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Thu, 25 Jan 2024 21:29:27 +0000
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: David Hildenbrand <david@...hat.com>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
CC: "linux-mm@...ck.org" <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>, 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"
	<linux-arm-kernel@...ts.infradead.org>, "linuxppc-dev@...ts.ozlabs.org"
	<linuxppc-dev@...ts.ozlabs.org>, "linux-riscv@...ts.infradead.org"
	<linux-riscv@...ts.infradead.org>, "linux-s390@...r.kernel.org"
	<linux-s390@...r.kernel.org>, "sparclinux@...r.kernel.org"
	<sparclinux@...r.kernel.org>
Subject: Re: [PATCH v2 08/15] mm/pgtable: make pte_next_pfn() independent of
 set_ptes()



Le 25/01/2024 à 20:32, David Hildenbrand a écrit :
> Let's provide pte_next_pfn(), independently of set_ptes(). This allows for
> using the generic pte_next_pfn() version in some arch-specific set_ptes()
> implementations, and prepares for reusing pte_next_pfn() in other context.
> 
> Signed-off-by: David Hildenbrand <david@...hat.com>

Reviewed-by: Christophe Leroy <christophe.leroy@...roup.eu>

> ---
>   include/linux/pgtable.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
> index f6d0e3513948a..351cd9dc7194f 100644
> --- a/include/linux/pgtable.h
> +++ b/include/linux/pgtable.h
> @@ -212,7 +212,6 @@ static inline int pmd_dirty(pmd_t pmd)
>   #define arch_flush_lazy_mmu_mode()	do {} while (0)
>   #endif
>   
> -#ifndef set_ptes
>   
>   #ifndef pte_next_pfn
>   static inline pte_t pte_next_pfn(pte_t pte)
> @@ -221,6 +220,7 @@ static inline pte_t pte_next_pfn(pte_t pte)
>   }
>   #endif
>   
> +#ifndef set_ptes
>   /**
>    * set_ptes - Map consecutive pages to a contiguous range of addresses.
>    * @mm: Address space to map the pages into.