diff options
author | Paul Mackerras <paulus@samba.org> | 2009-06-17 07:51:13 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-06-18 05:11:45 -0400 |
commit | 448d64f8f4c147db466c549550767cc515a4d34c (patch) | |
tree | 9c33191273219d8e4d77e3ea78304691e4fb4b56 /arch/powerpc/kernel/dma-iommu.c | |
parent | 105988c015943e77092a6568bc5fb7e386df6ccd (diff) |
perf_counter: powerpc: Use unsigned long for register and constraint values
This changes the powerpc perf_counter back-end to use unsigned long
types for hardware register values and for the value/mask pairs used
in checking whether a given set of events fit within the hardware
constraints. This is in preparation for adding support for the PMU
on some 32-bit powerpc processors. On 32-bit processors the hardware
registers are only 32 bits wide, and the PMU structure is generally
simpler, so 32 bits should be ample for expressing the hardware
constraints. On 64-bit processors, unsigned long is 64 bits wide,
so using unsigned long vs. u64 (unsigned long long) makes no actual
difference.
This makes some other very minor changes: adjusting whitespace to line
things up in initialized structures, and simplifying some code in
hw_perf_disable().
Signed-off-by: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linuxppc-dev@ozlabs.org
Cc: benh@kernel.crashing.org
LKML-Reference: <19000.55473.26174.331511@cargo.ozlabs.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/kernel/dma-iommu.c')
0 files changed, 0 insertions, 0 deletions