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| author | Ingo Molnar <mingo@elte.hu> | 2011-08-04 09:09:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-08-04 09:09:27 +0200 |
| commit | d7619fe39d9769b4d4545cc511c891deea18ae08 (patch) | |
| tree | 0a902533414001075b2245825e145cc2e35ce985 /arch/sparc/kernel/pcr.c | |
| parent | 9ea71503a8ed9184d2d0b8ccc4d269d05f7940ae (diff) | |
| parent | ed8f37370d83e695c0a4fa5d5fc7a83ecb947526 (diff) | |
Merge branch 'linus' into core/urgent
Diffstat (limited to 'arch/sparc/kernel/pcr.c')
| -rw-r--r-- | arch/sparc/kernel/pcr.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c index 8ac23e66008..343b0f9e2e7 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; } |