Commit 3b32f574 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge Committed by Konrad Rzeszutek Wilk
Browse files

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: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent 1a60d05f

drivers/xen/events.c

+6 −1
Original line number Diff line number Diff line
@@ -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;

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