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From: christoffer.dall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 00/10] In-kernel PSCI v0.2 emulation for KVM ARM/ARM64
Date: Sun, 16 Mar 2014 20:39:26 -0700	[thread overview]
Message-ID: <20140317033926.GA20648@cbox> (raw)
In-Reply-To: <1391686302-19451-1-git-send-email-anup.patel@linaro.org>

On Thu, Feb 06, 2014 at 05:01:32PM +0530, Anup Patel wrote:
> Currently, KVM ARM/ARM64 only provides in-kernel emulation of Power State
> and Coordination Interface (PSCI) v0.1.
> 
> This patchset aims at providing newer PSCI v0.2 for KVM ARM/ARM64 VCPUs
> such that it does not break current KVM ARM/ARM64 ABI. Also, the patchset
> provides emulation of only few PSCI v0.2 functions such as PSCI_VERSION,
> CPU_ON, and CPU_OFF. Emulation of other PSCI v0.2 functions will be added
> later.

This doesn't seem to be true any longer does it?

> 
> The user space tools (i.e. QEMU or KVMTOOL) will have to explicitly enable
> KVM_ARM_VCPU_PSCI_0_2 feature using KVM_ARM_VCPU_INIT ioctl for providing
> PSCI v0.2 to VCPUs.
> 

Besides the stuff you already added, I think you need to also add
returning ALREADY_ON for the CPU_ON call if the VCPU requested is
already on.

Thanks,
-Christoffer

  parent reply	other threads:[~2014-03-17  3:39 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-06 11:31 [PATCH v4 00/10] In-kernel PSCI v0.2 emulation for KVM ARM/ARM64 Anup Patel
2014-02-06 11:31 ` [PATCH v4 01/10] KVM: Add capability to advertise PSCI v0.2 support Anup Patel
2014-03-17  3:39   ` Christoffer Dall
2014-02-06 11:31 ` [PATCH v4 02/10] ARM/ARM64: KVM: Add base for PSCI v0.2 emulation Anup Patel
2014-02-07  8:28   ` Jungseok Lee
2014-02-07  8:36     ` Anup Patel
2014-02-07  9:07       ` Jungseok Lee
2014-02-07  9:26         ` Anup Patel
2014-02-07 23:37           ` Jungseok Lee
2014-02-07 23:42           ` Jungseok Lee
2014-03-14 22:57             ` Christoffer Dall
2014-03-17  3:40   ` Christoffer Dall
2014-03-17  6:14     ` Anup Patel
2014-03-19 13:22   ` Rob Herring
2014-02-06 11:31 ` [PATCH v4 03/10] KVM: Documentation: Add info regarding KVM_ARM_VCPU_PSCI_0_2 feature Anup Patel
2014-03-17  3:40   ` Christoffer Dall
2014-02-06 11:31 ` [PATCH v4 04/10] ARM/ARM64: KVM: Make kvm_psci_call() return convention more flexible Anup Patel
2014-03-17  3:40   ` Christoffer Dall
2014-02-06 11:31 ` [PATCH v4 05/10] KVM: Add KVM_EXIT_SYSTEM_EVENT to user space API header Anup Patel
2014-03-17  3:40   ` Christoffer Dall
2014-02-06 11:31 ` [PATCH v4 06/10] ARM/ARM64: KVM: Emulate PSCI v0.2 SYSTEM_OFF and SYSTEM_RESET Anup Patel
2014-03-17  3:40   ` Christoffer Dall
2014-02-06 11:31 ` [PATCH v4 07/10] ARM/ARM64: KVM: Emulate PSCI v0.2 AFFINITY_INFO Anup Patel
2014-03-17  3:41   ` Christoffer Dall
2014-02-06 11:31 ` [PATCH v4 08/10] ARM/ARM64: KVM: Emulate PSCI v0.2 MIGRATE_INFO_TYPE and related functions Anup Patel
2014-03-17  3:41   ` Christoffer Dall
2014-03-17  6:16     ` Anup Patel
2014-02-06 11:31 ` [PATCH v4 09/10] ARM/ARM64: KVM: Fix CPU_ON emulation for PSCI v0.2 Anup Patel
2014-03-17  3:41   ` Christoffer Dall
2014-03-17  6:17     ` Anup Patel
2014-02-06 11:31 ` [PATCH v4 10/10] ARM/ARM64: KVM: Emulate PSCI v0.2 CPU_SUSPEND Anup Patel
2014-03-17  3:41   ` Christoffer Dall
2014-03-17  6:54     ` Anup Patel
2014-03-17 11:28       ` Mark Rutland
2014-03-17 17:49       ` Christoffer Dall
2014-03-17  3:39 ` Christoffer Dall [this message]
2014-03-17  6:11   ` [PATCH v4 00/10] In-kernel PSCI v0.2 emulation for KVM ARM/ARM64 Anup Patel

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