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authorIngo Molnar <mingo@kernel.org>2015-01-17 11:04:35 +0100
committerIngo Molnar <mingo@kernel.org>2015-01-17 11:04:35 +0100
commitd01de2389c0190f5959f0a1258a2e87d2fe4ca82 (patch)
tree7c4708991245cf4abf4161b5ffa9741c0ff2bb9c /tools/include/linux/bitops.h
parentperf/x86/intel: Fix bug for "cycles:p" and "cycles:pp" on SLM (diff)
parentperf tools powerpc: Use dwfl_report_elf() instead of offline. (diff)
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes from Arnaldo Carvalho de Melo: - Fix segfault when using both the map symtab viewer and annotation in the TUI (Namhyung Kim). - uClibc build fixes (Alexey Brodkin, Vineet Gupta). - bitops/hweight were moved from tools/perf/ too tools/include, move some leftovers (Arnaldo Carvalho de Melo) - Fix dwarf unwind x86_64 build error (Namhyung Kim) - Fix __machine__findnew_thread() error path (Namhyung Kim) - Propagate error code when write(2) failed in 'perf probe' (Namhyung Kim) - Use dwfl_report_elf() instead of offline in powerpc bits to properly handle non prelinked DSOs (Sukadev Bhattiprolu). - Fix dwarf unwind using libunwind in 'perf test' (Wang Nan) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/include/linux/bitops.h')
-rw-r--r--tools/include/linux/bitops.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index 26005a15e7e2..5ad9ee1dd7f6 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -1,9 +1,9 @@
#ifndef _TOOLS_LINUX_BITOPS_H_
#define _TOOLS_LINUX_BITOPS_H_
+#include <asm/types.h>
#include <linux/kernel.h>
#include <linux/compiler.h>
-#include <asm/hweight.h>
#ifndef __WORDSIZE
#define __WORDSIZE (__SIZEOF_LONG__ * 8)
@@ -19,6 +19,11 @@
#define BITS_TO_U32(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(u32))
#define BITS_TO_BYTES(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE)
+extern unsigned int __sw_hweight8(unsigned int w);
+extern unsigned int __sw_hweight16(unsigned int w);
+extern unsigned int __sw_hweight32(unsigned int w);
+extern unsigned long __sw_hweight64(__u64 w);
+
/*
* Include this here because some architectures need generic_ffs/fls in
* scope