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From: Catalin Marinas <catalin.marinas@arm.com>
To: Steve Capper <steve.capper@arm.com>
Cc: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org,
	will.deacon@arm.com, jcm@redhat.com, ard.biesheuvel@linaro.org
Subject: Re: [PATCH V3 5/5] arm64: mm: Allow forcing all userspace addresses to 52-bit
Date: Fri, 23 Nov 2018 18:22:34 +0000	[thread overview]
Message-ID: <20181123182233.GL3360@arrakis.emea.arm.com> (raw)
In-Reply-To: <20181114133920.7134-6-steve.capper@arm.com>

On Wed, Nov 14, 2018 at 01:39:20PM +0000, Steve Capper wrote:
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index eab02d24f5d1..17d363e40c4d 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -1165,6 +1165,20 @@ config ARM64_CNP
>  	  at runtime, and does not affect PEs that do not implement
>  	  this feature.
>  
> +config ARM64_FORCE_52BIT
> +	bool "Force 52-bit virtual addresses for userspace"
> +	default n

No need for "default n"

> +	depends on ARM64_52BIT_VA && EXPERT

As long as it's for debug only and depends on EXPERT, it's fine by me.

-- 
Catalin

  reply	other threads:[~2018-11-23 18:22 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-14 13:39 [PATCH V3 0/5] 52-bit userspace VAs Steve Capper
2018-11-14 13:39 ` [PATCH V3 1/5] mm: mmap: Allow for "high" userspace addresses Steve Capper
2018-11-23 18:17   ` Catalin Marinas
2018-11-26 12:11     ` Steve Capper
2018-11-14 13:39 ` [PATCH V3 2/5] arm64: mm: Introduce DEFAULT_MAP_WINDOW Steve Capper
2018-11-27 17:09   ` Catalin Marinas
2018-11-27 17:15     ` Ard Biesheuvel
2018-11-28 16:31     ` Steve Capper
2018-11-14 13:39 ` [PATCH V3 3/5] arm64: mm: Define arch_get_mmap_end, arch_get_mmap_base Steve Capper
2018-11-27 17:10   ` Catalin Marinas
2018-11-28 16:31     ` Steve Capper
2018-11-14 13:39 ` [PATCH V3 4/5] arm64: mm: introduce 52-bit userspace support Steve Capper
2018-11-23 18:35   ` Catalin Marinas
2018-11-26 12:13     ` Steve Capper
2018-11-30 17:59   ` Catalin Marinas
2018-12-04 17:41     ` Steve Capper
2018-11-14 13:39 ` [PATCH V3 5/5] arm64: mm: Allow forcing all userspace addresses to 52-bit Steve Capper
2018-11-23 18:22   ` Catalin Marinas [this message]
2018-11-26 12:11     ` Steve Capper

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