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authorLorenzo Stoakes <lstoakes@gmail.com>2015-06-30 14:57:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-06-30 19:44:57 -0700
commit3e44c471a2dab210f7e9b1e5f7d4d54d52df59eb (patch)
treee3d413909c8a2c969b96a94243337fa0af51163c /fs
parent5375b708f2547f70cd2bee2fd8663ab7035f9551 (diff)
gcov: add support for GCC 5.1
Fix kernel gcov support for GCC 5.1. Similar to commit a992bf836f9 ("gcov: add support for GCC 4.9"), this patch takes into account the existence of a new gcov counter (see gcc's gcc/gcov-counter.def.) Firstly, it increments GCOV_COUNTERS (to 10), which makes the data structure struct gcov_info compatible with GCC 5.1. Secondly, a corresponding counter function __gcov_merge_icall_topn (Top N value tracking for indirect calls) is included in base.c with the other gcov counters unused for kernel profiling. Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com> Cc: Andrey Ryabinin <a.ryabinin@samsung.com> Cc: Yuan Pengfei <coolypf@qq.com> Tested-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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