diff options
| author | Ian Campbell <ian.campbell@citrix.com> | 2011-03-10 16:08:04 +0000 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-03-10 14:48:33 -0500 |
| commit | 653378acdd477a299f468e396c7719911ac57881 (patch) | |
| tree | 1a0840e9fb0eaef25fd4b16fedef49445cf9186e /drivers/xen/events.c | |
| parent | be49472f0460455e8e0d9e6593837e09cbcc9ad7 (diff) | |
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/events.c')
| -rw-r--r-- | drivers/xen/events.c | 10 |
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. |