On 03/08/15 11:21, Yong Wu wrote:
This patch adds support for mediatek m4u (MultiMedia Memory Management
Unit).
Signed-off-by: Yong Wu
---
[...]
+/*
+ * There is only one iommu domain called the m4u domain that
+ * all Multimedia modules share.
+ */
+static struct mtk_iommu_domain *m4udom;
On 25/08/2015 10:50, Feng Wu wrote:
> This patch updates the Posted-Interrupts Descriptor when vCPU
> is blocked.
>
> pre-block:
> - Add the vCPU to the blocked per-CPU list
> - Set 'NV' to POSTED_INTR_WAKEUP_VECTOR
>
> post-block:
> - Remove the vCPU from the per-CPU list
>
> Signed-off-by: F
On 25/08/2015 10:50, Feng Wu wrote:
> Enable VT-d Posted-Interrtups and add a command line
> parameter for it.
>
> Signed-off-by: Feng Wu
> ---
> Documentation/kernel-parameters.txt | 1 +
> drivers/iommu/irq_remapping.c | 12
> 2 files changed, 9 insertions(+), 4 deletions
On 25/08/2015 10:50, Feng Wu wrote:
> Currently, we don't support urgent interrupt, all interrupts
> are recognized as non-urgent interrupt, so we cannot post
> interrupts when 'SN' is set.
>
> If the vcpu is in guest mode, it cannot have been scheduled out,
> and that's the only case when SN is
On 25/08/2015 10:50, Feng Wu wrote:
> This patch updates the Posted-Interrupts Descriptor when vCPU
> is preempted.
>
> sched out:
> - Set 'SN' to suppress furture non-urgent interrupts posted for
> the vCPU.
>
> sched in:
> - Clear 'SN'
> - Change NDST if vCPU is scheduled to a different CPU
>
On 25/08/2015 10:50, Feng Wu wrote:
> Enable irq bypass manager for vfio PCI devices.
>
> Signed-off-by: Feng Wu
> ---
> drivers/vfio/pci/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/vfio/pci/Kconfig b/drivers/vfio/pci/Kconfig
> index 579d83b..02912f1 100644
> ---
On 25/08/2015 10:50, Feng Wu wrote:
> Make kvm_set_msi_irq() public, we can use this function outside.
>
> Signed-off-by: Feng Wu
> ---
> arch/x86/include/asm/kvm_host.h | 4
> arch/x86/kvm/irq_comm.c | 4 ++--
> 2 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/a
On 25/08/2015 10:50, Feng Wu wrote:
> Move struct kvm_irq_routing_table from irqchip.c to kvm_host.h,
> so we can use it outside of irqchip.c.
>
> Signed-off-by: Feng Wu
> ---
> include/linux/kvm_host.h | 14 ++
> virt/kvm/irqchip.c | 10 --
> 2 files changed, 14 inse
On 25/08/2015 10:50, Feng Wu wrote:
> Define an interface to get PI descriptor address from the vCPU structure.
>
> Signed-off-by: Feng Wu
See the later review, this interface and the one in patch 5 is too
low-level.
Paolo
> ---
> arch/x86/include/asm/kvm_host.h | 2 ++
> arch/x86/kvm/vmx.
On 25/08/2015 10:50, Feng Wu wrote:
> Define two weak arch callbacks so that archs that don't need
> them don't need define them.
>
> Signed-off-by: Feng Wu
> ---
> virt/kvm/eventfd.c | 10 ++
> 1 file changed, 10 insertions(+)
>
> diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
On 25/08/2015 10:50, Feng Wu wrote:
> +void kvm_arch_irqfd_init(struct kvm_kernel_irqfd *irqfd)
> +{
> + irqfd->arch_update = kvm_arch_update_pi_irte;
> +}
> +
> EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_exit);
> EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_inj_virq);
> EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_page_fa
On 25/08/2015 10:50, Feng Wu wrote:
> + struct kvm_kernel_irqfd *irqfd =
> + container_of(cons, struct kvm_kernel_irqfd, consumer);
> +
> + irqfd->producer = prod;
This assignment should be under "if (kvm_x86_ops->update_pi_irte)".
> + return kvm_arch_update_pi_irte(irqf
On 25/08/2015 10:50, Feng Wu wrote:
> +int kvm_arch_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
> + uint32_t guest_irq, bool set)
Please move all of this code to a vmx.c callback instead of adding
get_pi_desc_addr. Check if this makes the pi_set_sn and pi_clear
On 25/08/2015 10:50, Feng Wu wrote:
> This patch defines a new interface kvm_intr_is_single_vcpu(),
> which can returns whether the interrupt is for single-CPU or not.
>
> It is used by VT-d PI, since now we only support single-CPU
> interrupts, For lowest-priority interrupts, if user configures
On 25/08/2015 10:50, Feng Wu wrote:
> This patch adds some helper functions to manipulate the
> Posted-Interrupts Descriptor.
>
> Signed-off-by: Feng Wu
> ---
> arch/x86/kvm/vmx.c | 26 ++
> 1 file changed, 26 insertions(+)
>
> diff --git a/arch/x86/kvm/vmx.c b/arch/x8
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