linux-kernel - Re: [PATCH AUTOSEL 6.1 2/6] LoongArch: Define a default value for VM_DATA_DEFAULT

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Message-ID: <Z02htM68lfbuxkr/@duo.ucw.cz>
Date: Mon, 2 Dec 2024 13:01:56 +0100
From: Pavel Machek <pavel@...x.de>
To: Sasha Levin <sashal@...nel.org>
Cc: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Yuli Wang <wangyuli@...ontech.com>,
	Wentao Guan <guanwentao@...ontech.com>,
	Huacai Chen <chenhuacai@...ngson.cn>, chenhuacai@...nel.org,
	arnd@...db.de, tglx@...utronix.de, vincenzo.frascino@....com,
	max.kellermann@...os.com, loongarch@...ts.linux.dev
Subject: Re: [PATCH AUTOSEL 6.1 2/6] LoongArch: Define a default value for
 VM_DATA_DEFAULT_FLAGS

On Wed 2024-11-20 09:07:08, Sasha Levin wrote:
> From: Yuli Wang <wangyuli@...ontech.com>
> 
> [ Upstream commit c859900a841b0a6cd9a73d16426465e44cdde29c ]
> 
> This is a trivial cleanup, commit c62da0c35d58518d ("mm/vma: define a
> default value for VM_DATA_DEFAULT_FLAGS") has unified default values of
> VM_DATA_DEFAULT_FLAGS across different platforms.
> 
> Apply the same consistency to LoongArch.

Cleanup, do we need it in -stable?

BR,
								Pavel

> Suggested-by: Wentao Guan <guanwentao@...ontech.com>
> Signed-off-by: Yuli Wang <wangyuli@...ontech.com>
> Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---
>  arch/loongarch/include/asm/page.h | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/arch/loongarch/include/asm/page.h b/arch/loongarch/include/asm/page.h
> index bbac81dd73788..9919253804e61 100644
> --- a/arch/loongarch/include/asm/page.h
> +++ b/arch/loongarch/include/asm/page.h
> @@ -102,10 +102,7 @@ static inline int pfn_valid(unsigned long pfn)
>  extern int __virt_addr_valid(volatile void *kaddr);
>  #define virt_addr_valid(kaddr)	__virt_addr_valid((volatile void *)(kaddr))
>  
> -#define VM_DATA_DEFAULT_FLAGS \
> -	(VM_READ | VM_WRITE | \
> -	 ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
> -	 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
> +#define VM_DATA_DEFAULT_FLAGS	VM_DATA_FLAGS_TSK_EXEC
>  
>  #include <asm-generic/memory_model.h>
>  #include <asm-generic/getorder.h>

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HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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