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authorArnaldo Carvalho de Melo2009-06-03 23:02:33 -0300
committerIngo Molnar2009-06-04 09:27:21 +0200
commita4c43beaff0fe6c83aa2505dce8ffe65db8e0a33 (patch)
treefbfaedbcfdbcfaa774cf7d079e0284b28deb8ac1 /arch/x86/include/asm/sembuf.h
parentd11444dfa78cdd887d8dfd2fab3883132aff2c2d (diff)
perf report: Fix rbtree bug
Ingo Molnar reported: > FYI, i just got this crash (segfault) in perf report after > collecting a long profile from Xorg: > > Starting program: /home/mingo/tip/Documentation/perf_counter/perf report > [Thread debugging using libthread_db enabled] > Detaching after fork from child process 20008. > [New Thread 0x7f92fd62a6f0 (LWP 20005)] > > Program received signal SIGSEGV, Segmentation fault. > 0x000000000041031a in __rb_erase_color (node=0x142c090, parent=0x0, > root=0x881918) > at util/rbtree.c:143 > 143 if (parent->rb_left == node) It was a problem introduced in this cset: perf report: Fix comm sorting - 8229289b607682f90b946ad2c319526303c17700 This patch should fix it. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Stephane Eranian <eranian@googlemail.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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