From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [UPDATED] [PATCHv4 00/12] arm64: 16K translation granule support
Date: Mon, 19 Oct 2015 17:34:40 +0100 [thread overview]
Message-ID: <20151019163440.GE29001@leverpostej> (raw)
In-Reply-To: <1445260779-22242-1-git-send-email-suzuki.poulose@arm.com>
On Mon, Oct 19, 2015 at 02:19:26PM +0100, Suzuki K. Poulose wrote:
> This series enables the 16K page size support on Linux for arm64.
> Adds support for 48bit VA(4 level), 47bit VA(3 level) and
> 36bit VA(2 level) with 16K. 16K was a late addition to the architecture
> and is not implemented by all CPUs. Added a check to ensure the
> selected granule size is supported by the CPU, failing which the CPU
> won't proceed with booting. Also the kernel page size is added to the
> kernel image header (patch from Ard).
>
> KVM support has been dropped from this series, as we need to rewrite the
> KVM stage-2 pagetable handling code to get rid of the fake page table
> levels (as recommended by Christoffer and Marc). So, with 16K, we cannot
> run KVM.
>
> Patches 1-8 cleans up the kernel page size handling code.
> Patch 9 Adds a check to ensure the CPU supports the selected granule size.
> Patch 10 Adds the page size information to image header.
> Patches 11-12 Adds the support for 16K page size
FWIW, for the series:
Acked-by: Mark Rutland <mark.rutland@arm.com>
Thanks,
Mark.
WARNING: multiple messages have this Message-ID (diff)
From: Mark Rutland <mark.rutland@arm.com>
To: "Suzuki K. Poulose" <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, marc.zyngier@arm.com,
will.deacon@arm.com, catalin.marinas@arm.com,
christoffer.dall@linaro.org, steve.capper@linaro.org,
ard.biesheuvel@linaro.org, jeremy.linton@arm.com
Subject: Re: [UPDATED] [PATCHv4 00/12] arm64: 16K translation granule support
Date: Mon, 19 Oct 2015 17:34:40 +0100 [thread overview]
Message-ID: <20151019163440.GE29001@leverpostej> (raw)
In-Reply-To: <1445260779-22242-1-git-send-email-suzuki.poulose@arm.com>
On Mon, Oct 19, 2015 at 02:19:26PM +0100, Suzuki K. Poulose wrote:
> This series enables the 16K page size support on Linux for arm64.
> Adds support for 48bit VA(4 level), 47bit VA(3 level) and
> 36bit VA(2 level) with 16K. 16K was a late addition to the architecture
> and is not implemented by all CPUs. Added a check to ensure the
> selected granule size is supported by the CPU, failing which the CPU
> won't proceed with booting. Also the kernel page size is added to the
> kernel image header (patch from Ard).
>
> KVM support has been dropped from this series, as we need to rewrite the
> KVM stage-2 pagetable handling code to get rid of the fake page table
> levels (as recommended by Christoffer and Marc). So, with 16K, we cannot
> run KVM.
>
> Patches 1-8 cleans up the kernel page size handling code.
> Patch 9 Adds a check to ensure the CPU supports the selected granule size.
> Patch 10 Adds the page size information to image header.
> Patches 11-12 Adds the support for 16K page size
FWIW, for the series:
Acked-by: Mark Rutland <mark.rutland@arm.com>
Thanks,
Mark.
next prev parent reply other threads:[~2015-10-19 16:34 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-19 13:19 [UPDATED] [PATCHv4 00/12] arm64: 16K translation granule support Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 01/12] arm64: Move swapper pagetable definitions Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 02/12] arm64: Handle section maps for swapper/idmap Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 03/12] arm64: Introduce helpers for page table levels Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 04/12] arm64: Calculate size for idmap_pg_dir at compile time Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 05/12] arm64: Handle 4 level page table for swapper Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 06/12] arm64: Clean config usages for page size Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 07/12] arm64: Simplify NR_FIX_BTMAPS calculation Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 08/12] arm64: Kconfig: Fix help text about AArch32 support with 64K pages Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 09/12] arm64: Check for selected granule support Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 10/12] arm64: Add page size to the kernel image header Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 11/12] arm64: Add 16K page size support Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 13:19 ` [PATCHv4 12/12] arm64: 36 bit VA Suzuki K. Poulose
2015-10-19 13:19 ` Suzuki K. Poulose
2015-10-19 16:34 ` Mark Rutland [this message]
2015-10-19 16:34 ` [UPDATED] [PATCHv4 00/12] arm64: 16K translation granule support Mark Rutland
2015-10-19 17:30 ` Catalin Marinas
2015-10-19 17:30 ` Catalin Marinas
2015-10-19 17:43 ` Suzuki K. Poulose
2015-10-19 17:43 ` Suzuki K. Poulose
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