From: Nathan Fontenot <nfont@linux.vnet.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v4 7/13] Update numa.c to use updated firmware_has_feature()
Date: Wed, 24 Apr 2013 10:58:23 -0500 [thread overview]
Message-ID: <5178011F.2090406@linux.vnet.ibm.com> (raw)
In-Reply-To: <5177FB74.2050709@linux.vnet.ibm.com>
Update the numa code to use the updated firmware_has_feature() when checking
for type 1 affinity.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
---
arch/powerpc/mm/numa.c | 22 +++-------------------
1 file changed, 3 insertions(+), 19 deletions(-)
Index: powerpc/arch/powerpc/mm/numa.c
===================================================================
--- powerpc.orig/arch/powerpc/mm/numa.c 2013-04-23 12:54:23.000000000 -0500
+++ powerpc/arch/powerpc/mm/numa.c 2013-04-23 15:19:15.000000000 -0500
@@ -291,9 +291,7 @@
static int __init find_min_common_depth(void)
{
int depth;
- struct device_node *chosen;
struct device_node *root;
- const char *vec5;
if (firmware_has_feature(FW_FEATURE_OPAL))
root = of_find_node_by_path("/ibm,opal");
@@ -325,24 +323,10 @@
distance_ref_points_depth /= sizeof(int);
-#define VEC5_AFFINITY_BYTE 5
-#define VEC5_AFFINITY 0x80
-
- if (firmware_has_feature(FW_FEATURE_OPAL))
+ if (firmware_has_feature(FW_FEATURE_OPAL) ||
+ firmware_has_feature(FW_FEATURE_TYPE1_AFFINITY)) {
+ dbg("Using form 1 affinity\n");
form1_affinity = 1;
- else {
- chosen = of_find_node_by_path("/chosen");
- if (chosen) {
- vec5 = of_get_property(chosen,
- "ibm,architecture-vec-5", NULL);
- if (vec5 && (vec5[VEC5_AFFINITY_BYTE] &
- VEC5_AFFINITY)) {
- dbg("Using form 1 affinity\n");
- form1_affinity = 1;
- }
-
- of_node_put(chosen);
- }
}
if (form1_affinity) {
next prev parent reply other threads:[~2013-04-24 15:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-24 15:34 [PATCH v4 0/13] NUMA CPU Reconfiguration using PRRN Nathan Fontenot
2013-04-24 15:47 ` [PATCH v4 1/13] Expose pseries devicetree_update() Nathan Fontenot
2013-04-24 15:49 ` [PATCH v4 2/13] Correct buffer parsing in update_dt_node() Nathan Fontenot
2013-04-26 3:01 ` Stephen Rothwell
2013-04-24 15:51 ` [PATCH v4 3/13] Add PRRN RTAS event handler Nathan Fontenot
2013-04-24 15:53 ` [PATCH v4 4/13] Move architecture vector definitions to prom.h Nathan Fontenot
2013-04-24 15:55 ` [PATCH v4 5/13] Use ARRAY_SIZE to iterate over firmware_features_table array Nathan Fontenot
2013-04-26 3:08 ` Stephen Rothwell
2013-04-24 15:57 ` [PATCH v4 6/13] Update firmware_has_feature() to check architecture vector 5 bits Nathan Fontenot
2013-04-24 15:58 ` Nathan Fontenot [this message]
2013-04-24 16:00 ` [PATCH v4 8/13] Update CPU maps when device tree is updated Nathan Fontenot
2013-04-24 16:02 ` [PATCH v4 9/13] Use stop machine to update cpu maps Nathan Fontenot
2013-04-24 16:03 ` [PATCH v4 10/13] Update NUMA VDSO information when updating CPU maps Nathan Fontenot
2013-04-24 16:05 ` [PATCH v4 11/13] RE-enable Virtual Processor Home Node updating Nathan Fontenot
2013-04-24 16:06 ` [PATCH v4 12/13] Enable PRRN handling Nathan Fontenot
2013-04-24 16:07 ` [PATCH v4 13/13] Add /proc interface to control topology updates Nathan Fontenot
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