x86, ptrace: support for branch trace store(BTS)
authorMarkus Metzger <markus.t.metzger@intel.com>
Wed, 30 Jan 2008 12:31:09 +0000 (13:31 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 30 Jan 2008 12:31:09 +0000 (13:31 +0100)
commiteee3af4a2c83a97fff107ddc445d9df6fded9ce4
treea7e9179b82b4df9e4cf6e810c54309324589395b
parent7796931f542518092d1fd2fb7cf1f1d96e0cd4b5
x86, ptrace: support for branch trace store(BTS)

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Changes to the last version:
- split implementation into two layers: ds/bts and ptrace
- renamed TIF's
- save/restore ds save area msr in __switch_to_xtra()
- make block-stepping only look at BTF bit

Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
16 files changed:
arch/x86/kernel/Makefile_32
arch/x86/kernel/Makefile_64
arch/x86/kernel/cpu/intel.c
arch/x86/kernel/ds.c [new file with mode: 0644]
arch/x86/kernel/process_32.c
arch/x86/kernel/process_64.c
arch/x86/kernel/ptrace.c
arch/x86/kernel/setup_64.c
arch/x86/kernel/step.c
include/asm-x86/ds.h [new file with mode: 0644]
include/asm-x86/processor_32.h
include/asm-x86/processor_64.h
include/asm-x86/ptrace-abi.h
include/asm-x86/ptrace.h
include/asm-x86/thread_info_32.h
include/asm-x86/thread_info_64.h