Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
authorLinus Torvalds <torvalds@linux-foundation.org>
Sun, 24 Jul 2011 17:20:54 +0000 (10:20 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sun, 24 Jul 2011 17:20:54 +0000 (10:20 -0700)
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (237 commits)
  ARM: 7004/1: fix traps.h compile warnings
  ARM: 6998/2: kernel: use proper memory barriers for bitops
  ARM: 6997/1: ep93xx: increase NR_BANKS to 16 for support of 128MB RAM
  ARM: Fix build errors caused by adding generic macros
  ARM: CPU hotplug: ensure we migrate all IRQs off a downed CPU
  ARM: CPU hotplug: pass in proper affinity mask on IRQ migration
  ARM: GIC: avoid routing interrupts to offline CPUs
  ARM: CPU hotplug: fix abuse of irqdesc->node
  ARM: 6981/2: mmci: adjust calculation of f_min
  ARM: 7000/1: LPAE: Use long long printk format for displaying the pud
  ARM: 6999/1: head, zImage: Always Enter the kernel in ARM state
  ARM: btc: avoid invalidating the branch target cache on kernel TLB maintanence
  ARM: ARM_DMA_ZONE_SIZE is no more
  ARM: mach-shark: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
  ARM: mach-sa1100: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
  ARM: mach-realview: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
  ARM: mach-pxa: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
  ARM: mach-ixp4xx: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
  ARM: mach-h720x: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
  ARM: mach-davinci: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
  ...

1  2 
arch/arm/Kconfig
arch/arm/kernel/perf_event_v7.c
arch/arm/kernel/ptrace.c
arch/arm/mach-davinci/board-mityomapl138.c
arch/arm/mm/fault.c
drivers/mmc/host/mmci.c

Simple merge
@@@ -385,22 -409,244 +423,258 @@@ static const unsigned armv7_a9_perf_cac
                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                },
        },
 +      [C(NODE)] = {
 +              [C(OP_READ)] = {
 +                      [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
 +                      [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
 +              },
 +              [C(OP_WRITE)] = {
 +                      [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
 +                      [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
 +              },
 +              [C(OP_PREFETCH)] = {
 +                      [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
 +                      [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
 +              },
 +      },
  };
  
+ /*
+  * Cortex-A5 HW events mapping
+  */
+ static const unsigned armv7_a5_perf_map[PERF_COUNT_HW_MAX] = {
+       [PERF_COUNT_HW_CPU_CYCLES]          = ARMV7_PERFCTR_CPU_CYCLES,
+       [PERF_COUNT_HW_INSTRUCTIONS]        = ARMV7_PERFCTR_INSTR_EXECUTED,
+       [PERF_COUNT_HW_CACHE_REFERENCES]    = HW_OP_UNSUPPORTED,
+       [PERF_COUNT_HW_CACHE_MISSES]        = HW_OP_UNSUPPORTED,
+       [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV7_PERFCTR_PC_WRITE,
+       [PERF_COUNT_HW_BRANCH_MISSES]       = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED,
+       [PERF_COUNT_HW_BUS_CYCLES]          = HW_OP_UNSUPPORTED,
+ };
+ static const unsigned armv7_a5_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
+                                       [PERF_COUNT_HW_CACHE_OP_MAX]
+                                       [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+       [C(L1D)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]
+                                       = ARMV7_PERFCTR_DCACHE_ACCESS,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_DCACHE_REFILL,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]
+                                       = ARMV7_PERFCTR_DCACHE_ACCESS,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_DCACHE_REFILL,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]
+                                       = ARMV7_PERFCTR_PREFETCH_LINEFILL,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_PREFETCH_LINEFILL_DROP,
+               },
+       },
+       [C(L1I)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = ARMV7_PERFCTR_L1_ICACHE_ACCESS,
+                       [C(RESULT_MISS)]        = ARMV7_PERFCTR_IFETCH_MISS,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = ARMV7_PERFCTR_L1_ICACHE_ACCESS,
+                       [C(RESULT_MISS)]        = ARMV7_PERFCTR_IFETCH_MISS,
+               },
+               /*
+                * The prefetch counters don't differentiate between the I
+                * side and the D side.
+                */
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]
+                                       = ARMV7_PERFCTR_PREFETCH_LINEFILL,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_PREFETCH_LINEFILL_DROP,
+               },
+       },
+       [C(LL)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
+       [C(DTLB)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = ARMV7_PERFCTR_DTLB_REFILL,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = ARMV7_PERFCTR_DTLB_REFILL,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
+       [C(ITLB)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = ARMV7_PERFCTR_ITLB_MISS,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = ARMV7_PERFCTR_ITLB_MISS,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
+       [C(BPU)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = ARMV7_PERFCTR_PC_BRANCH_PRED,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = ARMV7_PERFCTR_PC_BRANCH_PRED,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
+ };
+ /*
+  * Cortex-A15 HW events mapping
+  */
+ static const unsigned armv7_a15_perf_map[PERF_COUNT_HW_MAX] = {
+       [PERF_COUNT_HW_CPU_CYCLES]          = ARMV7_PERFCTR_CPU_CYCLES,
+       [PERF_COUNT_HW_INSTRUCTIONS]        = ARMV7_PERFCTR_INSTR_EXECUTED,
+       [PERF_COUNT_HW_CACHE_REFERENCES]    = HW_OP_UNSUPPORTED,
+       [PERF_COUNT_HW_CACHE_MISSES]        = HW_OP_UNSUPPORTED,
+       [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV7_PERFCTR_SPEC_PC_WRITE,
+       [PERF_COUNT_HW_BRANCH_MISSES]       = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED,
+       [PERF_COUNT_HW_BUS_CYCLES]          = ARMV7_PERFCTR_BUS_CYCLES,
+ };
+ static const unsigned armv7_a15_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
+                                       [PERF_COUNT_HW_CACHE_OP_MAX]
+                                       [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+       [C(L1D)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]
+                                       = ARMV7_PERFCTR_L1_DCACHE_READ_ACCESS,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_L1_DCACHE_READ_REFILL,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]
+                                       = ARMV7_PERFCTR_L1_DCACHE_WRITE_ACCESS,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_L1_DCACHE_WRITE_REFILL,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
+       [C(L1I)] = {
+               /*
+                * Not all performance counters differentiate between read
+                * and write accesses/misses so we're not always strictly
+                * correct, but it's the best we can do. Writes and reads get
+                * combined in these cases.
+                */
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = ARMV7_PERFCTR_L1_ICACHE_ACCESS,
+                       [C(RESULT_MISS)]        = ARMV7_PERFCTR_IFETCH_MISS,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = ARMV7_PERFCTR_L1_ICACHE_ACCESS,
+                       [C(RESULT_MISS)]        = ARMV7_PERFCTR_IFETCH_MISS,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
+       [C(LL)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]
+                                       = ARMV7_PERFCTR_L2_DCACHE_READ_ACCESS,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_L2_DCACHE_READ_REFILL,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]
+                                       = ARMV7_PERFCTR_L2_DCACHE_WRITE_ACCESS,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_L2_DCACHE_WRITE_REFILL,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
+       [C(DTLB)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_L1_DTLB_READ_REFILL,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_L1_DTLB_WRITE_REFILL,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
+       [C(ITLB)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = ARMV7_PERFCTR_ITLB_MISS,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = ARMV7_PERFCTR_ITLB_MISS,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
+       [C(BPU)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = ARMV7_PERFCTR_PC_BRANCH_PRED,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = ARMV7_PERFCTR_PC_BRANCH_PRED,
+                       [C(RESULT_MISS)]
+                                       = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
+ };
  /*
   * Perf Events counters
   */
Simple merge
Simple merge
Simple merge