tree a7e9179b82b4df9e4cf6e810c54309324589395b
parent 7796931f542518092d1fd2fb7cf1f1d96e0cd4b5
author Markus Metzger <markus.t.metzger@intel.com> 1201696269 +0100
committer Ingo Molnar <mingo@elte.hu> 1201696269 +0100

x86, ptrace: support for branch trace store(BTS)

Resend using different mail client

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>