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authorMark Brown <broonie@kernel.org>2014-11-26 20:39:02 +0000
committerMark Brown <broonie@kernel.org>2014-11-26 20:39:02 +0000
commit75ff9420448e7bb30ab8265463595e794ce0c3aa (patch)
treeea00f0cff2f6a272d60a518eb6dde6e14263b5b7 /include/uapi/linux/perf_event.h
parent4524df83c7fc4f44702099a2db7b3cc938eb111f (diff)
parent206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff)
downloadlwn-75ff9420448e7bb30ab8265463595e794ce0c3aa.tar.gz
lwn-75ff9420448e7bb30ab8265463595e794ce0c3aa.zip
Merge tag 'v3.18-rc4' into regulator-max77686
Linux 3.18-rc4
Diffstat (limited to 'include/uapi/linux/perf_event.h')
-rw-r--r--include/uapi/linux/perf_event.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 9269de254874..9d845404d875 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -364,7 +364,7 @@ struct perf_event_mmap_page {
/*
* Bits needed to read the hw events in user-space.
*
- * u32 seq, time_mult, time_shift, idx, width;
+ * u32 seq, time_mult, time_shift, index, width;
* u64 count, enabled, running;
* u64 cyc, time_offset;
* s64 pmc = 0;
@@ -383,11 +383,11 @@ struct perf_event_mmap_page {
* time_shift = pc->time_shift;
* }
*
- * idx = pc->index;
+ * index = pc->index;
* count = pc->offset;
- * if (pc->cap_usr_rdpmc && idx) {
+ * if (pc->cap_user_rdpmc && index) {
* width = pc->pmc_width;
- * pmc = rdpmc(idx - 1);
+ * pmc = rdpmc(index - 1);
* }
*
* barrier();
@@ -415,7 +415,7 @@ struct perf_event_mmap_page {
};
/*
- * If cap_usr_rdpmc this field provides the bit-width of the value
+ * If cap_user_rdpmc this field provides the bit-width of the value
* read using the rdpmc() or equivalent instruction. This can be used
* to sign extend the result like:
*
@@ -439,10 +439,10 @@ struct perf_event_mmap_page {
*
* Where time_offset,time_mult,time_shift and cyc are read in the
* seqcount loop described above. This delta can then be added to
- * enabled and possible running (if idx), improving the scaling:
+ * enabled and possible running (if index), improving the scaling:
*
* enabled += delta;
- * if (idx)
+ * if (index)
* running += delta;
*
* quot = count / running;