From: Julien Grall <julien.grall@linaro.org>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
xen-devel@lists.xensource.com
Cc: julien.grall@citrix.com, Ian.Campbell@citrix.com
Subject: Re: [PATCH-4.5 3/4] xen/arm: do not request maintenance_interrupts
Date: Fri, 07 Feb 2014 23:10:03 +0000 [thread overview]
Message-ID: <52F567CB.7080302@linaro.org> (raw)
In-Reply-To: <1391799378-31664-3-git-send-email-stefano.stabellini@eu.citrix.com>
On 07/02/14 18:56, Stefano Stabellini wrote:
> +static void gic_clear_lrs(struct vcpu *v)
> +{
> + struct pending_irq *p;
> + int i = 0, irq;
> + uint32_t lr;
> + bool_t inflight;
> +
> + ASSERT(!local_irq_is_enabled());
> +
> + while ((i = find_next_bit((const long unsigned int *) &this_cpu(lr_mask),
> + nr_lrs, i)) < nr_lrs) {
Did you look at to ELRSR{0,1} registers which list the usable LRs? I
think you can use it with the this_cpu(lr_mask) to avoid browsing every LRs.
--
Julien Grall
next prev parent reply other threads:[~2014-02-07 23:10 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-07 18:56 [PATCH-4.5 0/4] remove maintenance interrupts Stefano Stabellini
2014-02-07 18:56 ` [PATCH-4.5 1/4] xen/arm: remove unused virtual parameter from vgic_vcpu_inject_irq Stefano Stabellini
2014-02-07 22:06 ` Julien Grall
2014-02-07 18:56 ` [PATCH-4.5 2/4] xen/arm: support HW interrupts in gic_set_lr Stefano Stabellini
2014-02-07 22:31 ` Julien Grall
2014-02-10 16:50 ` Stefano Stabellini
2014-02-07 18:56 ` [PATCH-4.5 3/4] xen/arm: do not request maintenance_interrupts Stefano Stabellini
2014-02-07 22:45 ` Julien Grall
2014-02-10 17:03 ` Stefano Stabellini
2014-02-10 17:21 ` Julien Grall
2014-02-07 23:10 ` Julien Grall [this message]
2014-02-10 17:06 ` Stefano Stabellini
2014-02-10 17:09 ` Ian Campbell
2014-02-10 17:16 ` Stefano Stabellini
2014-02-10 17:18 ` Ian Campbell
2014-02-10 17:24 ` Stefano Stabellini
2014-02-10 17:33 ` Ian Campbell
2014-02-10 17:11 ` Julien Grall
2014-02-07 18:56 ` [PATCH-4.5 4/4] xen/arm: set GICH_HCR_NPIE if all the LRs are in use Stefano Stabellini
2014-02-07 23:39 ` Julien Grall
2014-02-10 16:59 ` Stefano Stabellini
2014-02-10 17:14 ` Julien Grall
2014-02-10 17:16 ` Stefano Stabellini
2014-02-07 23:22 ` [PATCH-4.5 0/4] remove maintenance interrupts Julien Grall
2014-02-10 17:08 ` Stefano Stabellini
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