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    Subject[PATCH 13/14] xen: events: do not workaround too-small nr_irqs
    Date
    With the introduction of e7bcecb7b1d2 "genirq: Make nr_irqs runtime expandable"
    nr_irqs can grow as necessary to accommodate our allocation requests.

    Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
    Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
    Cc: Jeremy Fitzhardinge <jeremy@goop.org>
    ---
    drivers/xen/events.c | 7 -------
    1 files changed, 0 insertions(+), 7 deletions(-)

    diff --git a/drivers/xen/events.c b/drivers/xen/events.c
    index 6782251..7c36689 100644
    --- a/drivers/xen/events.c
    +++ b/drivers/xen/events.c
    @@ -423,15 +423,8 @@ static int xen_allocate_irq_dynamic(void)
    first = get_nr_irqs_gsi();
    #endif

    -retry:
    irq = irq_alloc_desc_from(first, -1);

    - if (irq == -ENOMEM && first > NR_IRQS_LEGACY) {
    - printk(KERN_ERR "Out of dynamic IRQ space and eating into GSI space. You should increase nr_irqs\n");
    - first = max(NR_IRQS_LEGACY, first - NR_IRQS_LEGACY);
    - goto retry;
    - }
    -
    if (irq < 0)
    panic("No available IRQ to bind to: increase nr_irqs!\n");

    --
    1.5.6.5


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