On 04/20/2016 09:54 AM, Allen Pais wrote:

Signed-off-by: Khalid Aziz <[email protected] 
<mailto:[email protected]>>
---
  arch/sparc/include/asm/spitfire.h | 1 +
  arch/sparc/kernel/cpu.c           | 6 ++++++
  arch/sparc/kernel/cpumap.c        | 1 +
  arch/sparc/kernel/head_64.S       | 8 ++++++++
  arch/sparc/kernel/setup_64.c      | 7 ++++++-
  arch/sparc/mm/init_64.c           | 3 +++
  6 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/arch/sparc/include/asm/spitfire.h 
b/arch/sparc/include/asm/spitfire.h
index 56f9338..1d8321c 100644
--- a/arch/sparc/include/asm/spitfire.h
+++ b/arch/sparc/include/asm/spitfire.h
@@ -48,6 +48,7 @@
  #define SUN4V_CHIP_SPARC_M6    0x06
  #define SUN4V_CHIP_SPARC_M7    0x07
  #define SUN4V_CHIP_SPARC64X    0x8a
+#define SUN4V_CHIP_SPARC_SN    0x8b
  #define SUN4V_CHIP_UNKNOWN     0xff

Looks good to me. Do you think adding these also this patch makes sense or
it could be a separate patch.

         }
-       if (!strcmp(sparc_pmu_type, "sparc-m7")) {
+       if (!strcmp(sparc_pmu_type, "sparc-m7") ||
+           !strcmp(sparc_pmu_type, "sparc-sn")) {
                 sparc_pmu = &sparc_m7_pmu;
                 return true;

Acked-by: Allen Pais <[email protected]>

- Allen


I would recommend that to be a separate patch. My goal with this patch is to address the core capabilities of sonoma and enable kernel to get optimized performance from the processor. Monitoring the performance can be a separate patch.

--
Khalid

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