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authorIan Campbell <ian.campbell@citrix.com>2011-03-10 19:08:04 +0300
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-03-10 22:48:33 +0300
commit653378acdd477a299f468e396c7719911ac57881 (patch)
tree1a0840e9fb0eaef25fd4b16fedef49445cf9186e /drivers/xen
parentbe49472f0460455e8e0d9e6593837e09cbcc9ad7 (diff)
downloadlinux-653378acdd477a299f468e396c7719911ac57881.tar.xz
xen: events: simplify comment
It is never valid assume any particular relationship between a Xen PIRQ number and and Linux IRQ number so there is no need to hedge when saying so. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/events.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 684b0950538a..0b27080b1918 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -583,13 +583,9 @@ int xen_allocate_pirq(unsigned gsi, int shareable, char *name)
return xen_map_pirq_gsi(gsi, gsi, shareable, name);
}
-/* xen_map_pirq_gsi might allocate irqs from the top down, as a
- * consequence don't assume that the irq number returned has a low value
- * or can be used as a pirq number unless you know otherwise.
- *
- * One notable exception is when xen_map_pirq_gsi is called passing an
- * hardware gsi as argument, in that case the irq number returned
- * matches the gsi number passed as second argument.
+/*
+ * Do not make any assumptions regarding the relationship between the
+ * IRQ number returned here and the Xen pirq argument.
*
* Note: We don't assign an event channel until the irq actually started
* up. Return an existing irq if we've already got one for the gsi.