Messages in this thread Patch in this message | | | From | Konrad Rzeszutek Wilk <> | Subject | [PATCH 08/23] xen: statically initialize cpu_evtchn_mask_p | Date | Tue, 12 Oct 2010 11:44:16 -0400 |
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From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Sometimes cpu_evtchn_mask_p can get used early, before it has been allocated. Statically initialize it with an initdata version to catch any early references.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> --- drivers/xen/events.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index a98e720..e1bd0be 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -104,7 +104,12 @@ static int *evtchn_to_irq; struct cpu_evtchn_s { unsigned long bits[NR_EVENT_CHANNELS/BITS_PER_LONG]; }; -static struct cpu_evtchn_s *cpu_evtchn_mask_p; + +static __initdata struct cpu_evtchn_s init_evtchn_mask = { + .bits[0 ... (NR_EVENT_CHANNELS/BITS_PER_LONG)-1] = ~0ul, +}; +static struct cpu_evtchn_s *cpu_evtchn_mask_p = &init_evtchn_mask; + static inline unsigned long *cpu_evtchn_mask(int cpu) { return cpu_evtchn_mask_p[cpu].bits; -- 1.7.0.4
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