linux-kernel - Re: [PATCH 02/14] arm64: Handle section maps for swapper/idmap

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <CAKv+Gu_VUSxTNb1muM8qykWjHQjcuys+_1Dfa37xRjGE5G+QGA@mail.gmail.com>
Date:	Wed, 2 Sep 2015 12:00:52 +0200
From:	Ard Biesheuvel <ard.biesheuvel@...aro.org>
To:	"Suzuki K. Poulose" <Suzuki.Poulose@....com>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	KVM devel mailing list <kvm@...r.kernel.org>,
	"kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	Mark Rutland <Mark.Rutland@....com>,
	Marc Zyngier <Marc.Zyngier@....com>
Subject: Re: [PATCH 02/14] arm64: Handle section maps for swapper/idmap

On 2 September 2015 at 11:42, Suzuki K. Poulose <Suzuki.Poulose@....com> wrote:
> On 02/09/15 10:38, Ard Biesheuvel wrote:
>>
>> On 13 August 2015 at 13:33, Suzuki K. Poulose <suzuki.poulose@....com>
>> wrote:
>>>
>>> From: "Suzuki K. Poulose" <suzuki.poulose@....com>
>>>
>>> We use section maps with 4K page size to create the
>>> swapper/idmaps. So far we have used !64K or 4K checks
>>> to handle the case where we use the section maps. This
>>> patch adds a symbol to make it clear those cases.
>>>
>>
>> That sentence does not make sense.
>
>
> I agree. How about :
>
> "This patch adds a new symbol, 'ARM64_SWAPPER_USES_SECTION_MAPS', to
> handle cases where we use section maps, instead of using the page size
> symbols."
>

Yep, much better
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/