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authorThomas Gleixner <tglx@linutronix.de>2014-05-07 15:44:10 +0000
committerThomas Gleixner <tglx@linutronix.de>2014-05-16 14:05:19 +0200
commitd07c9f18756e8231909a9bbcbfa7502c60cbc810 (patch)
treef7d66979ff228b77c2f65bf1c477e1f92fed4a88 /drivers/xen
parentbe47be6c28a83dd8b3c5540d0be3675af1ac7b2e (diff)
downloadop-kernel-dev-d07c9f18756e8231909a9bbcbfa7502c60cbc810.zip
op-kernel-dev-d07c9f18756e8231909a9bbcbfa7502c60cbc810.tar.gz
x86: Get rid of get_nr_irqs_gsi()
No need to expose this outside of the ioapic code. The dynamic allocations are guaranteed not to happen in the gsi space. See commit 62a08ae2a. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Grant Likely <grant.likely@linaro.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: x86@kernel.org Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: xen-devel@lists.xenproject.org Link: http://lkml.kernel.org/r/20140507154335.959870037@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/events/events_base.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index dfa12a4..c919d3d 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -390,22 +390,7 @@ static void xen_irq_init(unsigned irq)
static int __must_check xen_allocate_irqs_dynamic(int nvec)
{
- int first = 0;
- int i, irq;
-
-#ifdef CONFIG_X86_IO_APIC
- /*
- * For an HVM guest or domain 0 which see "real" (emulated or
- * actual respectively) GSIs we allocate dynamic IRQs
- * e.g. those corresponding to event channels or MSIs
- * etc. from the range above those "real" GSIs to avoid
- * collisions.
- */
- if (xen_initial_domain() || xen_hvm_domain())
- first = get_nr_irqs_gsi();
-#endif
-
- irq = irq_alloc_descs_from(first, nvec, -1);
+ int i, irq = irq_alloc_descs(-1, 0, nvec, -1);
if (irq >= 0) {
for (i = 0; i < nvec; i++)
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