FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-23 18:07:03 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

x86/ioapic.c: convert io_apic_level_ack_pending loop to normal for() loop

Browse Source 
Convert the unconventional loop in io_apic_level_ack_pending() to
a conventional for() loop.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-06-08 03:17:58 -07:00
parent 8e13d697fe
commit d8c52063ed
1 changed files with 1 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/x86/kernel/apic/io_apic.c
View File

@ -410,13 +410,10 @@ static bool io_apic_level_ack_pending(struct irq_cfg *cfg)
unsigned long flags; unsigned long flags;
spin_lock_irqsave(&ioapic_lock, flags); spin_lock_irqsave(&ioapic_lock, flags);
entry = cfg->irq_2_pin; for (entry = cfg->irq_2_pin; entry != NULL; entry = entry->next) {
for (;;) {
unsigned int reg; unsigned int reg;
int pin; int pin;
if (!entry)
break;
pin = entry->pin; pin = entry->pin;
reg = io_apic_read(entry->apic, 0x10 + pin*2); reg = io_apic_read(entry->apic, 0x10 + pin*2);
/* Is the remote IRR bit set? */ /* Is the remote IRR bit set? */
@ -424,9 +421,6 @@ static bool io_apic_level_ack_pending(struct irq_cfg *cfg)
spin_unlock_irqrestore(&ioapic_lock, flags); spin_unlock_irqrestore(&ioapic_lock, flags);
return true; return true;
} }
if (!entry->next)
break;
entry = entry->next;
} }
spin_unlock_irqrestore(&ioapic_lock, flags); spin_unlock_irqrestore(&ioapic_lock, flags);