From: Julien Grall <julien.grall@linaro.org>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: julien.grall@citrix.com, xen-devel@lists.xensource.com,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: [PATCH v5 05/10] xen/arm: nr_lrs should be uint8_t
Date: Tue, 01 Apr 2014 13:12:01 +0100 [thread overview]
Message-ID: <533AAD11.2070809@linaro.org> (raw)
In-Reply-To: <1396353541.8667.127.camel@kazak.uk.xensource.com>
On 04/01/2014 12:59 PM, Ian Campbell wrote:
> On Mon, 2014-03-24 at 18:49 +0000, Stefano Stabellini wrote:
>> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
>
> Does this change anything in practice?
Patch #6 of Stefano's series keep track of LRs with an uint8 bits. I
asked for this patch to stupid issue later because the tracking use an
smaller number of bits.
> Hopefully the compiler doesn't start doing stupid word access + mask on
> every access...
>
> Might there be more LRs with e.g. gic v3?
The number of LRs is encoded on 5 bits for the GICv3.
--
Julien Grall
next prev parent reply other threads:[~2014-04-01 12:12 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-24 18:48 [PATCH v5 0/10] remove maintenance interrupts Stefano Stabellini
2014-03-24 18:49 ` [PATCH v5 01/10] xen/arm: no need to set HCR_VI when using the vgic to inject irqs Stefano Stabellini
2014-03-24 18:49 ` [PATCH v5 02/10] xen/arm: remove unused virtual parameter from vgic_vcpu_inject_irq Stefano Stabellini
2014-03-24 18:49 ` [PATCH v5 03/10] xen/arm: set GICH_HCR_UIE if all the LRs are in use Stefano Stabellini
2014-04-01 11:46 ` Ian Campbell
2014-03-24 18:49 ` [PATCH v5 04/10] xen/arm: support HW interrupts, do not request maintenance_interrupts Stefano Stabellini
2014-04-01 11:56 ` Ian Campbell
2014-04-01 12:13 ` Ian Campbell
2014-04-02 14:59 ` Stefano Stabellini
2014-04-02 15:19 ` Stefano Stabellini
2014-03-24 18:49 ` [PATCH v5 05/10] xen/arm: nr_lrs should be uint8_t Stefano Stabellini
2014-03-25 15:47 ` Julien Grall
2014-04-01 11:59 ` Ian Campbell
2014-04-01 12:12 ` Julien Grall [this message]
2014-04-01 12:15 ` Ian Campbell
2014-03-24 18:49 ` [PATCH v5 06/10] xen/arm: keep track of the GICH_LR used for the irq in struct pending_irq Stefano Stabellini
2014-04-01 12:00 ` Ian Campbell
2014-03-24 18:49 ` [PATCH v5 07/10] xen/arm: s/gic_set_guest_irq/gic_raise_guest_irq Stefano Stabellini
2014-04-01 12:00 ` Ian Campbell
2014-03-24 18:49 ` [PATCH v5 08/10] xen/arm: second irq injection while the first irq is still inflight Stefano Stabellini
2014-04-01 12:14 ` Ian Campbell
2014-04-02 15:31 ` Stefano Stabellini
2014-04-02 15:43 ` Ian Campbell
2014-04-06 16:58 ` Stefano Stabellini
2014-04-07 8:48 ` Ian Campbell
2014-03-24 18:49 ` [PATCH v5 09/10] xen/arm: don't protect GICH and lr_queue accesses with gic.lock Stefano Stabellini
2014-03-24 18:49 ` [PATCH v5 10/10] xen/arm: gic_events_need_delivery and irq priorities Stefano Stabellini
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