On 07/07/2015 13:33, Wu, Feng wrote:
>>> > > The need to store the consumer->producer link seems to be unique to
>>> > > posted interrupts. It is difficult to say without seeing the PI code,
>>> > > but I prefer to keep the bypass manager as small as possible.
>> >
>> > Fine. I will follow your
om;
> alex.william...@redhat.com; avi.kiv...@gmail.com; mtosa...@redhat.com;
> j...@8bytes.org; b.rey...@virtualopensystems.com
> Cc: linux-ker...@vger.kernel.org; patc...@linaro.org; Wu, Feng
> Subject: RE: [RFC v2 3/6] irq: bypass: Extend skeleton for ARM forwarding
> control
&
er.d...@linaro.org; marc.zyng...@arm.com;
> alex.william...@redhat.com; avi.kiv...@gmail.com; mtosa...@redhat.com;
> j...@8bytes.org; b.rey...@virtualopensystems.com
> Cc: linux-ker...@vger.kernel.org; patc...@linaro.org
> Subject: Re: [RFC v2 3/6] irq: bypass: Extend skeleton for ARM forwarding
On 07/07/2015 13:18, Wu, Feng wrote:
> Then I still need assign prod and de-assign prod in
> irq_bypass_register_consumer/irq_bypass_unregister_consumer, Right?
> Would you please share why this is better.
The need to store the consumer->producer link seems to be unique to
posted interrupts. It
er.d...@linaro.org; marc.zyng...@arm.com;
> alex.william...@redhat.com; avi.kiv...@gmail.com; mtosa...@redhat.com;
> j...@8bytes.org; b.rey...@virtualopensystems.com
> Cc: linux-ker...@vger.kernel.org; patc...@linaro.org
> Subject: Re: [RFC v2 3/6] irq: bypass: Extend skeleton for ARM forwarding
On 07/07/2015 13:13, Wu, Feng wrote:
>> > You can use container_of to add it to your own struct, e.g.
>> >
>> >struct irq_bypass_consumer cons;
>> >struct irq_bypass_producer *prod;
> Do you mean this:
>
> struct kvm_kernel_irqfd {
>
> ..
>
> struct irq_bypass_co
er.d...@linaro.org; marc.zyng...@arm.com;
> alex.william...@redhat.com; avi.kiv...@gmail.com; mtosa...@redhat.com;
> j...@8bytes.org; b.rey...@virtualopensystems.com
> Cc: linux-ker...@vger.kernel.org; patc...@linaro.org
> Subject: Re: [RFC v2 3/6] irq: bypass: Extend skeleton for ARM forwarding
On 07/07/2015 12:58, Wu, Feng wrote:
>
>
>> -Original Message-
>> From: Eric Auger [mailto:eric.au...@linaro.org]
>> Sent: Monday, July 06, 2015 8:11 PM
>> To: eric.au...@st.com; eric.au...@linaro.org;
>> linux-arm-ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
>> kvm@vger.ke
> -Original Message-
> From: Eric Auger [mailto:eric.au...@linaro.org]
> Sent: Monday, July 06, 2015 8:11 PM
> To: eric.au...@st.com; eric.au...@linaro.org;
> linux-arm-ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
> kvm@vger.kernel.org; christoffer.d...@linaro.org; marc.zyng.
On 07/07/2015 09:10, Eric Auger wrote:
> On 07/06/2015 07:41 PM, Paolo Bonzini wrote:
>>
>>
>> On 06/07/2015 19:09, Eric Auger wrote:
> The good thing is that this helps a bit forming a lock hierarchy across
> the subsystems, for example irq bypass mutex outside vfio_platform_irq
> sp
On 07/06/2015 07:41 PM, Paolo Bonzini wrote:
>
>
> On 06/07/2015 19:09, Eric Auger wrote:
The good thing is that this helps a bit forming a lock hierarchy across
the subsystems, for example irq bypass mutex outside vfio_platform_irq
spinlock, because you cannot have a spinlock insi
On 06/07/2015 19:09, Eric Auger wrote:
>> > The good thing is that this helps a bit forming a lock hierarchy across
>> > the subsystems, for example irq bypass mutex outside vfio_platform_irq
>> > spinlock, because you cannot have a spinlock inside the mutex. I think
>> > that all of your six ca
On 07/06/2015 05:57 PM, Paolo Bonzini wrote:
>
>
> On 06/07/2015 17:35, Eric Auger wrote:
diff --git a/kernel/irq/bypass.c b/kernel/irq/bypass.c
>> index 5d0f92b..efadbe5 100644
>> --- a/kernel/irq/bypass.c
>> +++ b/kernel/irq/bypass.c
>> @@ -19,6 +19,42 @@ static LIST_HEAD(p
On 06/07/2015 17:35, Eric Auger wrote:
>>> diff --git a/kernel/irq/bypass.c b/kernel/irq/bypass.c
>>> >> index 5d0f92b..efadbe5 100644
>>> >> --- a/kernel/irq/bypass.c
>>> >> +++ b/kernel/irq/bypass.c
>>> >> @@ -19,6 +19,42 @@ static LIST_HEAD(producers);
>>> >> static LIST_HEAD(consumers);
>>>
Hi Paolo,
On 07/06/2015 02:27 PM, Paolo Bonzini wrote:
>
>
> On 06/07/2015 14:11, Eric Auger wrote:
>> diff --git a/kernel/irq/bypass.c b/kernel/irq/bypass.c
>> index 5d0f92b..efadbe5 100644
>> --- a/kernel/irq/bypass.c
>> +++ b/kernel/irq/bypass.c
>> @@ -19,6 +19,42 @@ static LIST_HEAD(producers
On 06/07/2015 14:11, Eric Auger wrote:
> diff --git a/kernel/irq/bypass.c b/kernel/irq/bypass.c
> index 5d0f92b..efadbe5 100644
> --- a/kernel/irq/bypass.c
> +++ b/kernel/irq/bypass.c
> @@ -19,6 +19,42 @@ static LIST_HEAD(producers);
> static LIST_HEAD(consumers);
> static DEFINE_MUTEX(lock);
>
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