AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[POWERPC] Avoid calling get_irq_server() with a real, not virtual irq.

Browse Source 
We can use default_server when masking an interrupt vector.
get_irq_server() assumes a virtual irq, so badness may happen if we
give it a real one.

Signed-off-by: Michal Ostrowski <mostrows@watson.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michal Ostrowski 2006-12-20 07:29:40 -06:00 committed by Paul Mackerras
parent 5e264a5215
commit 673aeb76d0
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/powerpc/platforms/pseries/xics.c
View File

@ -224,7 +224,6 @@ static void xics_unmask_irq(unsigned int virq)
static void xics_mask_real_irq(unsigned int irq)
{
int call_status;
unsigned int server;
if (irq == XICS_IPI)
return;
@ -236,9 +235,9 @@ static void xics_mask_real_irq(unsigned int irq)
return;
}
server = get_irq_server(irq);
/* Have to set XIVE to 0xff to be able to remove a slot */
call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server, 0xff);
call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq,
default_server, 0xff);
if (call_status != 0) {
printk(KERN_ERR "xics_disable_irq: irq=%u: ibm_set_xive(0xff)"
" returned %d\n", irq, call_status);