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From: "Suzuki K. Poulose" <Suzuki.Poulose@arm.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: "linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	KVM devel mailing list <kvm@vger.kernel.org>,
	"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
	Catalin Marinas <Catalin.Marinas@arm.com>,
	Will Deacon <Will.Deacon@arm.com>,
	Mark Rutland <Mark.Rutland@arm.com>,
	Marc Zyngier <Marc.Zyngier@arm.com>
Subject: Re: [PATCH 02/14] arm64: Handle section maps for swapper/idmap
Date: Wed, 02 Sep 2015 10:42:58 +0100	[thread overview]
Message-ID: <55E6C4A2.7080307@arm.com> (raw)
In-Reply-To: <CAKv+Gu-0ut3o3iy322tbyqLAmR_gfzoE5272O3U3qSd5Zoh0Hw@mail.gmail.com>

On 02/09/15 10:38, Ard Biesheuvel wrote:
> On 13 August 2015 at 13:33, Suzuki K. Poulose <suzuki.poulose@arm.com> wrote:
>> From: "Suzuki K. Poulose" <suzuki.poulose@arm.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."

Suzuki



WARNING: multiple messages have this Message-ID (diff)
From: "Suzuki K. Poulose" <Suzuki.Poulose@arm.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: KVM devel mailing list <kvm@vger.kernel.org>,
	Marc Zyngier <Marc.Zyngier@arm.com>,
	Catalin Marinas <Catalin.Marinas@arm.com>,
	Will Deacon <Will.Deacon@arm.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 02/14] arm64: Handle section maps for swapper/idmap
Date: Wed, 02 Sep 2015 10:42:58 +0100	[thread overview]
Message-ID: <55E6C4A2.7080307@arm.com> (raw)
In-Reply-To: <CAKv+Gu-0ut3o3iy322tbyqLAmR_gfzoE5272O3U3qSd5Zoh0Hw@mail.gmail.com>

On 02/09/15 10:38, Ard Biesheuvel wrote:
> On 13 August 2015 at 13:33, Suzuki K. Poulose <suzuki.poulose@arm.com> wrote:
>> From: "Suzuki K. Poulose" <suzuki.poulose@arm.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."

Suzuki

WARNING: multiple messages have this Message-ID (diff)
From: Suzuki.Poulose@arm.com (Suzuki K. Poulose)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 02/14] arm64: Handle section maps for swapper/idmap
Date: Wed, 02 Sep 2015 10:42:58 +0100	[thread overview]
Message-ID: <55E6C4A2.7080307@arm.com> (raw)
In-Reply-To: <CAKv+Gu-0ut3o3iy322tbyqLAmR_gfzoE5272O3U3qSd5Zoh0Hw@mail.gmail.com>

On 02/09/15 10:38, Ard Biesheuvel wrote:
> On 13 August 2015 at 13:33, Suzuki K. Poulose <suzuki.poulose@arm.com> wrote:
>> From: "Suzuki K. Poulose" <suzuki.poulose@arm.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."

Suzuki

  reply	other threads:[~2015-09-02  9:43 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-13 11:33 [PATCH 00/14] arm64: 16K translation granule support Suzuki K. Poulose
2015-08-13 11:33 ` Suzuki K. Poulose
2015-08-13 11:33 ` Suzuki K. Poulose
2015-08-13 11:33 ` [PATCH 01/14] arm64: Move swapper pagetable definitions Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33 ` [PATCH 02/14] arm64: Handle section maps for swapper/idmap Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-09-02  9:38   ` Ard Biesheuvel
2015-09-02  9:38     ` Ard Biesheuvel
2015-09-02  9:38     ` Ard Biesheuvel
2015-09-02  9:42     ` Suzuki K. Poulose [this message]
2015-09-02  9:42       ` Suzuki K. Poulose
2015-09-02  9:42       ` Suzuki K. Poulose
2015-09-02 10:00       ` Ard Biesheuvel
2015-09-02 10:00         ` Ard Biesheuvel
2015-09-02 10:00         ` Ard Biesheuvel
2015-08-13 11:33 ` [PATCH 03/14] arm64: Introduce helpers for page table levels Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33 ` [PATCH 04/14] arm64: Calculate size for idmap_pg_dir at compile time Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33 ` [PATCH 05/14] arm64: Handle 4 level page table for swapper Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33 ` [PATCH 06/14] arm64: Clean config usages for page size Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33 ` [PATCH 07/14] arm64: Kconfig: Fix help text about AArch32 support with 64K pages Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33 ` [PATCH 08/14] arm64: kvm: Fix {V}TCR_EL2_TG0 mask Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33 ` [PATCH 09/14] arm64: Cleanup VTCR_EL2 computation Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:33   ` Suzuki K. Poulose
2015-08-13 11:34 ` [PATCH 10/14] arm: kvm: Move fake PGD handling to arch specific files Suzuki K. Poulose
2015-08-13 11:34   ` Suzuki K. Poulose
2015-08-13 11:34   ` Suzuki K. Poulose
2015-08-13 11:34 ` [PATCH 11/14] arm64: kvm: Rewrite fake pgd handling Suzuki K. Poulose
2015-08-13 11:34   ` Suzuki K. Poulose
2015-08-13 11:34   ` Suzuki K. Poulose
2015-08-13 11:34 ` [PATCH 12/14] arm64: Check for selected granule support Suzuki K. Poulose
2015-08-13 11:34   ` Suzuki K. Poulose
2015-08-13 11:34   ` Suzuki K. Poulose
2015-08-13 12:28   ` Steve Capper
2015-08-13 12:28     ` Steve Capper
2015-08-13 12:28     ` Steve Capper
2015-08-13 14:45     ` Suzuki K. Poulose
2015-08-13 14:45       ` Suzuki K. Poulose
2015-08-13 14:45       ` Suzuki K. Poulose
2015-08-13 17:29       ` Catalin Marinas
2015-08-13 17:29         ` Catalin Marinas
2015-08-13 17:29         ` Catalin Marinas
2015-09-02  9:48         ` Ard Biesheuvel
2015-09-02  9:48           ` Ard Biesheuvel
2015-09-02  9:48           ` Ard Biesheuvel
2015-09-02 10:19           ` Ard Biesheuvel
2015-09-02 10:19             ` Ard Biesheuvel
2015-09-02 10:19             ` Ard Biesheuvel
2015-09-04 13:58             ` Catalin Marinas
2015-09-04 13:58               ` Catalin Marinas
2015-09-04 13:58               ` Catalin Marinas
2015-08-13 11:34 ` [PATCH 13/14] arm64: Add 16K page size support Suzuki K. Poulose
2015-08-13 11:34   ` Suzuki K. Poulose
2015-08-13 11:34   ` Suzuki K. Poulose
2015-08-13 11:34 ` [PATCH 14/14] arm64: 36 bit VA Suzuki K. Poulose
2015-08-13 11:34   ` Suzuki K. Poulose
2015-09-02  9:55 ` [PATCH 00/14] arm64: 16K translation granule support Ard Biesheuvel
2015-09-02  9:55   ` Ard Biesheuvel
2015-09-02  9:55   ` Ard Biesheuvel
2015-09-02 10:11   ` Suzuki K. Poulose
2015-09-02 10:11     ` Suzuki K. Poulose
2015-09-02 10:11     ` Suzuki K. Poulose

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