x86, bts: reenable ptrace branch trace support
The races found by Oleg Nesterov have been fixed. Reenable branch trace support. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Acked-by: Oleg Nesterov <oleg@redhat.com> LKML-Reference: <20090424094448.A30216@sedona.ch.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -506,7 +506,6 @@ config X86_PTRACE_BTS
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bool "Branch Trace Store"
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default y
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depends on X86_DEBUGCTLMSR
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depends on BROKEN
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---help---
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This adds a ptrace interface to the hardware's branch trace store.
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