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From: Andrew Jones <andrew.jones@linux.dev>
To: Vladimir Murzin <vladimir.murzin@arm.com>
Cc: kvmarm@lists.linux.dev, alexandru.elisei@arm.com
Subject: Re: [kvm-unit-tests PATCH] arm64: mte: Fix MTE granule mask
Date: Mon, 8 Sep 2025 13:38:30 -0500	[thread overview]
Message-ID: <20250908-ccc886d2d9ea61b50001dbd7@orel> (raw)
In-Reply-To: <20250905124129.32435-1-vladimir.murzin@arm.com>

On Fri, Sep 05, 2025 at 01:41:29PM +0100, Vladimir Murzin wrote:
> So it generates correct mask when used together with MTE_TAG_SHIFT
> 
> Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
> ---
>  arm/mte.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arm/mte.c b/arm/mte.c
> index 95d58aaa..a1bed8a7 100644
> --- a/arm/mte.c
> +++ b/arm/mte.c
> @@ -26,7 +26,7 @@
>  #define MTE_TCF_ASYMM	0b11
>  
>  #define MTE_GRANULE_SIZE        UL(16)
> -#define MTE_GRANULE_MASK        (~(MTE_GRANULE_SIZE - 1))
> +#define MTE_GRANULE_MASK        (MTE_GRANULE_SIZE - 1)
>  #define MTE_TAG_SHIFT           56
>  
>  #define untagged(p)									\
> -- 
> 2.34.1
>

Merged.

Thanks,
drew

      parent reply	other threads:[~2025-09-08 18:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-05 12:41 [kvm-unit-tests PATCH] arm64: mte: Fix MTE granule mask Vladimir Murzin
2025-09-08 11:49 ` Alexandru Elisei
2025-09-08 12:09   ` Vladimir Murzin
2025-09-08 18:38 ` Andrew Jones [this message]

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