Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (162 commits) tracing/kprobes: unregister_trace_probe needs to be called under mutex perf: expose event__process function perf events: Fix mmap offset determination perf, powerpc: fsl_emb: Restore setting perf_sample_data.period perf, powerpc: Convert the FSL driver to use local64_t perf tools: Don't keep unreferenced maps when unmaps are detected perf session: Invalidate last_match when removing threads from rb_tree perf session: Free the ref_reloc_sym memory at the right place x86,mmiotrace: Add support for tracing STOS instruction perf, sched migration: Librarize task states and event headers helpers perf, sched migration: Librarize the GUI class perf, sched migration: Make the GUI class client agnostic perf, sched migration: Make it vertically scrollable perf, sched migration: Parameterize cpu height and spacing perf, sched migration: Fix key bindings perf, sched migration: Ignore unhandled task states perf, sched migration: Handle ignored migrate out events perf: New migration tool overview tracing: Drop cpparg() macro perf: Use tracepoint_synchronize_unregister() to flush any pending tracepoint call ... Fix up trivial conflicts in Makefile and drivers/cpufreq/cpufreq.c
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@@ -40,16 +40,16 @@ static unsigned char prefix_codes[] = {
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static unsigned int reg_rop[] = {
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0x8A, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F
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};
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static unsigned int reg_wop[] = { 0x88, 0x89 };
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static unsigned int reg_wop[] = { 0x88, 0x89, 0xAA, 0xAB };
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static unsigned int imm_wop[] = { 0xC6, 0xC7 };
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/* IA32 Manual 3, 3-432*/
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static unsigned int rw8[] = { 0x88, 0x8A, 0xC6 };
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static unsigned int rw8[] = { 0x88, 0x8A, 0xC6, 0xAA };
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static unsigned int rw32[] = {
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0x89, 0x8B, 0xC7, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F
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0x89, 0x8B, 0xC7, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F, 0xAB
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};
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static unsigned int mw8[] = { 0x88, 0x8A, 0xC6, 0xB60F, 0xBE0F };
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static unsigned int mw8[] = { 0x88, 0x8A, 0xC6, 0xB60F, 0xBE0F, 0xAA };
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static unsigned int mw16[] = { 0xB70F, 0xBF0F };
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static unsigned int mw32[] = { 0x89, 0x8B, 0xC7 };
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static unsigned int mw32[] = { 0x89, 0x8B, 0xC7, 0xAB };
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static unsigned int mw64[] = {};
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#else /* not __i386__ */
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static unsigned char prefix_codes[] = {
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@@ -63,20 +63,20 @@ static unsigned char prefix_codes[] = {
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static unsigned int reg_rop[] = {
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0x8A, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F
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};
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static unsigned int reg_wop[] = { 0x88, 0x89 };
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static unsigned int reg_wop[] = { 0x88, 0x89, 0xAA, 0xAB };
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static unsigned int imm_wop[] = { 0xC6, 0xC7 };
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static unsigned int rw8[] = { 0xC6, 0x88, 0x8A };
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static unsigned int rw8[] = { 0xC6, 0x88, 0x8A, 0xAA };
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static unsigned int rw32[] = {
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0xC7, 0x89, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F
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0xC7, 0x89, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F, 0xAB
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};
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/* 8 bit only */
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static unsigned int mw8[] = { 0xC6, 0x88, 0x8A, 0xB60F, 0xBE0F };
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static unsigned int mw8[] = { 0xC6, 0x88, 0x8A, 0xB60F, 0xBE0F, 0xAA };
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/* 16 bit only */
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static unsigned int mw16[] = { 0xB70F, 0xBF0F };
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/* 16 or 32 bit */
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static unsigned int mw32[] = { 0xC7 };
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/* 16, 32 or 64 bit */
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static unsigned int mw64[] = { 0x89, 0x8B };
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static unsigned int mw64[] = { 0x89, 0x8B, 0xAB };
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#endif /* not __i386__ */
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struct prefix_bits {
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@@ -410,7 +410,6 @@ static unsigned long *get_reg_w32(int no, struct pt_regs *regs)
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unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs)
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{
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unsigned int opcode;
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unsigned char mod_rm;
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int reg;
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unsigned char *p;
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struct prefix_bits prf;
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@@ -437,8 +436,13 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs)
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goto err;
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do_work:
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mod_rm = *p;
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reg = ((mod_rm >> 3) & 0x7) | (prf.rexr << 3);
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/* for STOS, source register is fixed */
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if (opcode == 0xAA || opcode == 0xAB) {
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reg = arg_AX;
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} else {
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unsigned char mod_rm = *p;
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reg = ((mod_rm >> 3) & 0x7) | (prf.rexr << 3);
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}
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switch (get_ins_reg_width(ins_addr)) {
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case 1:
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return *get_reg_w8(reg, prf.rex, regs);
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