[Xen-changelog] Fix my slightly broken change to pirq_mask logic -- we must

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 05db1d61e031d2fb48e561b185fa42981547db9a
# Parent  86db4688d514e2ab6e5b3e927a0c892ad9d597bf
Fix my slightly broken change to pirq_mask logic -- we must
pass the last seen bit *plus 1* to find_next_bit().

Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r 86db4688d514 -r 05db1d61e031 xen/arch/ia64/xen/irq.c
--- a/xen/arch/ia64/xen/irq.c   Fri Apr  7 14:58:00 2006
+++ b/xen/arch/ia64/xen/irq.c   Fri Apr  7 15:15:44 2006
@@ -1363,7 +1363,7 @@
 
     for ( pirq = find_first_bit(d->pirq_mask, NR_PIRQS);
           pirq < NR_PIRQS;
-          pirq = find_next_bit(d->pirq_mask, NR_PIRQS, pirq) )
+          pirq = find_next_bit(d->pirq_mask, NR_PIRQS, pirq+1) )
     {
         desc = &irq_desc[pirq];
         spin_lock_irq(&desc->lock);
diff -r 86db4688d514 -r 05db1d61e031 xen/arch/x86/irq.c
--- a/xen/arch/x86/irq.c        Fri Apr  7 14:58:00 2006
+++ b/xen/arch/x86/irq.c        Fri Apr  7 15:15:44 2006
@@ -176,7 +176,7 @@
 
     for ( pirq = find_first_bit(d->pirq_mask, NR_PIRQS);
           pirq < NR_PIRQS;
-          pirq = find_next_bit(d->pirq_mask, NR_PIRQS, pirq) )
+          pirq = find_next_bit(d->pirq_mask, NR_PIRQS, pirq+1) )
     {
         desc = &irq_desc[irq_to_vector(pirq)];
         spin_lock_irq(&desc->lock);

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