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authorJiri Kosina <jkosina@suse.cz>2011-09-15 15:08:05 +0200
committerJiri Kosina <jkosina@suse.cz>2011-09-15 15:08:18 +0200
commite060c38434b2caa78efe7cedaff4191040b65a15 (patch)
tree407361230bf6733f63d8e788e4b5e6566ee04818 /arch/sparc/kernel/pcr.c
parentviacam: Don't explode if pci_find_bus() returns NULL (diff)
parentmm: account skipped entries to avoid looping in find_get_pages (diff)
downloadlinux-e060c38434b2caa78efe7cedaff4191040b65a15.tar.xz
linux-e060c38434b2caa78efe7cedaff4191040b65a15.zip
Merge branch 'master' into for-next
Fast-forward merge with Linus to be able to merge patches based on more recent version of the tree.
Diffstat (limited to 'arch/sparc/kernel/pcr.c')
-rw-r--r--arch/sparc/kernel/pcr.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c
index 8ac23e660080..343b0f9e2e7b 100644
--- a/arch/sparc/kernel/pcr.c
+++ b/arch/sparc/kernel/pcr.c
@@ -80,8 +80,11 @@ static void n2_pcr_write(u64 val)
{
unsigned long ret;
- ret = sun4v_niagara2_setperf(HV_N2_PERF_SPARC_CTL, val);
- if (ret != HV_EOK)
+ if (val & PCR_N2_HTRACE) {
+ ret = sun4v_niagara2_setperf(HV_N2_PERF_SPARC_CTL, val);
+ if (ret != HV_EOK)
+ write_pcr(val);
+ } else
write_pcr(val);
}
@@ -106,6 +109,10 @@ static int __init register_perf_hsvc(void)
perf_hsvc_group = HV_GRP_N2_CPU;
break;
+ case SUN4V_CHIP_NIAGARA3:
+ perf_hsvc_group = HV_GRP_KT_CPU;
+ break;
+
default:
return -ENODEV;
}