From: Catalin Marinas <catalin.marinas@arm.com>
To: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, peter.maydell@linaro.org,
cdall@kernel.org, kvm@vger.kernel.org, marc.zyngier@arm.com,
rkrcmar@redhat.com, will.deacon@arm.com,
linux-kernel@vger.kernel.org, dave.martin@arm.com,
eric.auger@redhat.com, julien.grall@arm.com,
James Morse <james.morse@arm.com>,
pbonzini@redhat.com, kvmarm@lists.cs.columbia.edu
Subject: Re: [PATCH v6 04/18] arm64: Add a helper for PARange to physical shift conversion
Date: Mon, 1 Oct 2018 13:05:21 +0100 [thread overview]
Message-ID: <20181001120520.GA25071@arrakis.emea.arm.com> (raw)
In-Reply-To: <20180926163258.20218-5-suzuki.poulose@arm.com>
On Wed, Sep 26, 2018 at 05:32:40PM +0100, Suzuki K. Poulose wrote:
> On arm64, ID_AA64MMFR0_EL1.PARange encodes the maximum Physical
> Address range supported by the CPU. Add a helper to decode this
> to actual physical shift. If we hit an unallocated value, return
> the maximum range supported by the kernel.
> This will be used by KVM to set the VTCR_EL2.T0SZ, as it
> is about to move its place. Having this helper keeps the code
> movement cleaner.
>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Cc: James Morse <james.morse@arm.com>
> Cc: Christoffer Dall <cdall@kernel.org>
> Reviewed-by: Eric Auger <eric.auger@redhat.com>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2018-10-01 12:05 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-26 16:32 [PATCH v6 00/18] kvm: arm64: Dynamic IPA and 52bit IPA Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 01/18] kvm: arm/arm64: Fix stage2_flush_memslot for 4 level page table Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 02/18] kvm: arm/arm64: Remove spurious WARN_ON Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 03/18] kvm: arm64: Add helper for loading the stage2 setting for a VM Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 04/18] arm64: Add a helper for PARange to physical shift conversion Suzuki K Poulose
2018-10-01 12:05 ` Catalin Marinas [this message]
2018-09-26 16:32 ` [PATCH v6 05/18] kvm: arm64: Clean up VTCR_EL2 initialisation Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 06/18] kvm: arm/arm64: Allow arch specific configurations for VM Suzuki K Poulose
2018-09-28 17:27 ` Marc Zyngier
2018-09-29 8:30 ` Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 07/18] kvm: arm64: Configure VTCR_EL2 per VM Suzuki K Poulose
2018-10-02 7:48 ` Auger Eric
2018-09-26 16:32 ` [PATCH v6 08/18] kvm: arm/arm64: Prepare for VM specific stage2 translations Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 09/18] kvm: arm64: Prepare for dynamic stage2 page table layout Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 10/18] kvm: arm64: Make stage2 page table layout dynamic Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 11/18] kvm: arm64: Dynamic configuration of VTTBR mask Suzuki K Poulose
2018-10-02 7:54 ` Auger Eric
2018-09-26 16:32 ` [PATCH v6 12/18] kvm: arm64: Configure VTCR_EL2.SL0 per VM Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 13/18] kvm: arm64: Switch to per VM IPA limit Suzuki K Poulose
2018-10-02 7:58 ` Auger Eric
2018-09-26 16:32 ` [PATCH v6 14/18] vgic: Add support for 52bit guest physical address Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 15/18] kvm: arm64: Add 52bit support for PAR to HPFAR conversoin Suzuki K Poulose
2018-09-26 16:32 ` [PATCH v6 16/18] kvm: arm64: Set a limit on the IPA size Suzuki K Poulose
2018-10-02 8:20 ` Auger Eric
2018-09-26 16:32 ` [PATCH v6 17/18] kvm: arm64: Limit the minimum number of page table levels Suzuki K Poulose
2018-10-02 8:22 ` Auger Eric
2018-09-26 16:32 ` [PATCH v6 18/18] kvm: arm64: Allow tuning the physical address size for VM Suzuki K Poulose
2018-10-02 8:37 ` Auger Eric
2018-10-31 14:22 ` Christoffer Dall
2018-10-31 17:55 ` Suzuki K Poulose
2018-11-01 8:36 ` Christoffer Dall
2018-11-01 9:32 ` Suzuki K Poulose
2018-09-26 16:32 ` [kvmtool PATCH v6 19/18] kvmtool: Allow backends to run checks on the KVM device fd Suzuki K Poulose
2018-09-26 16:32 ` [kvmtool PATCH v6 20/18] kvmtool: arm64: Add support for guest physical address size Suzuki K Poulose
2018-09-26 16:32 ` [kvmtool PATCH v6 21/18] kvmtool: arm64: Switch memory layout Suzuki K Poulose
2018-09-26 16:32 ` [kvmtool PATCH v6 22/18] kvmtool: arm: Add support for creating VM with PA size Suzuki K Poulose
2018-10-01 14:13 ` Marc Zyngier
2018-10-04 8:40 ` [PATCH v6 00/18] kvm: arm64: Dynamic IPA and 52bit IPA Auger Eric
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