From: Steve Capper <Steve.Capper@arm.com>
To: Catalin Marinas <Catalin.Marinas@arm.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Will Deacon <Will.Deacon@arm.com>,
"jcm@redhat.com" <jcm@redhat.com>,
"ard.biesheuvel@linaro.org" <ard.biesheuvel@linaro.org>,
nd <nd@arm.com>
Subject: Re: [PATCH V3 5/5] arm64: mm: Allow forcing all userspace addresses to 52-bit
Date: Mon, 26 Nov 2018 12:11:52 +0000 [thread overview]
Message-ID: <20181126121141.GB2012@capper-debian.cambridge.arm.com> (raw)
In-Reply-To: <20181123182233.GL3360@arrakis.emea.arm.com>
On Fri, Nov 23, 2018 at 06:22:34PM +0000, Catalin Marinas wrote:
> 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.
Okay, I'll remove this default n.
Cheers,
--
Steve
prev parent reply other threads:[~2018-11-26 12:11 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
2018-11-26 12:11 ` Steve Capper [this message]
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