Even when nothing is specified in the device tree, and despite the
fact that we don't setup links properly yet, we still need a reasonable
value in there or some interrupts won't be setup properly to point to
an existing processor.
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
arch/powerpc/sysdev/xics/xics-common.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/sysdev/xics/xics-common.c
b/arch/powerpc/sysdev/xics/xics-common.c
index ac26866..7c9cba3 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -57,7 +57,9 @@ void xics_update_irq_servers(void)
BUG_ON(!np);
hcpuid = get_hard_smp_processor_id(boot_cpuid);
- xics_default_server = hcpuid;
+ xics_default_server = xics_default_distrib_server = hcpuid;
+
+ pr_devel("xics: xics_default_server = 0x%x\n", xics_default_server);
ireg = of_get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen);
if (!ireg) {
@@ -75,9 +77,11 @@ void xics_update_irq_servers(void)
for (j = 0; j < i; j += 2) {
if (ireg[j] == hcpuid) {
xics_default_distrib_server = ireg[j+1];
+ break;
}
}
-
+ pr_devel("xics: xics_default_distrib_server = 0x%x\n",
+ xics_default_distrib_server);
of_node_put(np);
}
@@ -113,7 +117,7 @@ void xics_mask_unknown_vec(unsigned int vec)
{
struct ics *ics;
- pr_err("Interrupt %u (real) is invalid, disabling it.\n", vec);
+ pr_err("Interrupt 0x%x (real) is invalid, disabling it.\n", vec);
list_for_each_entry(ics, &ics_list, link)
ics->mask_unknown(ics, vec);
@@ -293,6 +297,8 @@ unlock:
* If not we set it to the first cpu in the mask, even if multiple cpus
* are set. This is so things like irqbalance (which set core and package
* wide affinities) do the right thing.
+ *
+ * We need to fix this to implement support for the links
*/
int xics_get_irq_server(unsigned int virq, const struct cpumask *cpumask,
unsigned int strict_check)
--
1.7.1
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
