From: christoffer.dall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v10 05/12] ARM/ARM64: KVM: Make kvm_psci_call() return convention more flexible
Date: Mon, 28 Apr 2014 07:17:43 -0700 [thread overview]
Message-ID: <20140428141743.GG2868@lvm> (raw)
In-Reply-To: <1398085206-30555-6-git-send-email-anup.patel@linaro.org>
On Mon, Apr 21, 2014 at 06:29:59PM +0530, Anup Patel wrote:
> Currently, the kvm_psci_call() returns 'true' or 'false' based on whether
> the PSCI function call was handled successfully or not. This does not help
> us emulate system-level PSCI functions where the actual emulation work will
> be done by user space (QEMU or KVMTOOL). Examples of such system-level PSCI
> functions are: PSCI v0.2 SYSTEM_OFF and SYSTEM_RESET.
>
> This patch updates kvm_psci_call() to return three types of values:
> 1) > 0 (success)
> 2) = 0 (success but exit to user space)
> 3) < 0 (errors)
>
> Signed-off-by: Anup Patel <anup.patel@linaro.org>
> Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Marc, do you still have comments on this one?
-Christoffer
next prev parent reply other threads:[~2014-04-28 14:17 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-21 12:59 [PATCH v10 00/12] In-kernel PSCI v0.2 emulation for KVM ARM/ARM64 Anup Patel
2014-04-21 12:59 ` [PATCH v10 01/12] KVM: Add capability to advertise PSCI v0.2 support Anup Patel
2014-04-21 12:59 ` [PATCH v10 02/12] ARM/ARM64: KVM: Add common header for PSCI related defines Anup Patel
2014-04-28 14:16 ` Christoffer Dall
2014-04-28 17:13 ` Anup Patel
2014-04-28 17:19 ` Ashwin Chaugule
2014-04-21 12:59 ` [PATCH v10 03/12] ARM/ARM64: KVM: Add base for PSCI v0.2 emulation Anup Patel
2014-04-21 12:59 ` [PATCH v10 04/12] KVM: Documentation: Add info regarding KVM_ARM_VCPU_PSCI_0_2 feature Anup Patel
2014-04-21 12:59 ` [PATCH v10 05/12] ARM/ARM64: KVM: Make kvm_psci_call() return convention more flexible Anup Patel
2014-04-28 14:17 ` Christoffer Dall [this message]
2014-04-28 14:27 ` Marc Zyngier
2014-04-21 13:00 ` [PATCH v10 06/12] KVM: Add KVM_EXIT_SYSTEM_EVENT to user space API header Anup Patel
2014-04-21 13:00 ` [PATCH v10 07/12] ARM/ARM64: KVM: Emulate PSCI v0.2 SYSTEM_OFF and SYSTEM_RESET Anup Patel
2014-04-28 14:34 ` Marc Zyngier
2014-04-28 17:04 ` Anup Patel
2014-04-21 13:00 ` [PATCH v10 08/12] ARM/ARM64: KVM: Emulate PSCI v0.2 AFFINITY_INFO Anup Patel
2014-04-28 14:35 ` Marc Zyngier
2014-04-21 13:00 ` [PATCH v10 09/12] ARM/ARM64: KVM: Emulate PSCI v0.2 MIGRATE_INFO_TYPE and related functions Anup Patel
2014-04-21 13:00 ` [PATCH v10 10/12] ARM/ARM64: KVM: Fix CPU_ON emulation for PSCI v0.2 Anup Patel
2014-04-21 13:00 ` [PATCH v10 11/12] ARM/ARM64: KVM: Emulate PSCI v0.2 CPU_SUSPEND Anup Patel
2014-04-28 14:23 ` Christoffer Dall
2014-04-28 14:40 ` Marc Zyngier
2014-04-21 13:00 ` [PATCH v10 12/12] ARM/ARM64: KVM: Advertise KVM_CAP_ARM_PSCI_0_2 to user space Anup Patel
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