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| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-08-13 12:50:37 -0700 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2010-10-18 10:41:44 -0400 |
| commit | 3b32f574a032bb5c93957317bd4ce5c3397d5a7b (patch) | |
| tree | 91cfba0cb671b7bf02a956303da87629ed239225 /drivers/xen/events.c | |
| parent | 1a60d05f40882303dad13f8f0e077e2e49ea8996 (diff) | |
| download | linux-3b32f574a032bb5c93957317bd4ce5c3397d5a7b.tar.gz linux-3b32f574a032bb5c93957317bd4ce5c3397d5a7b.tar.bz2 linux-3b32f574a032bb5c93957317bd4ce5c3397d5a7b.zip | |
xen: statically initialize cpu_evtchn_mask_p
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>
Diffstat (limited to 'drivers/xen/events.c')
| -rw-r--r-- | 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 0fcfb4a1ceab..1e39908d02f9 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; |