ptrace/x86: Introduce set_task_blockstep() helper

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No functional changes, preparation for the next fix and for uprobes
single-step fixes.

Move the code playing with TIF_BLOCKSTEP/DEBUGCTLMSR_BTF into the
new helper, set_task_blockstep().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>

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Oleg Nesterov 2012-08-03 17:31:46 +02:00

parent bdc1e47217

commit 848e8f5f0a

1 changed files with 21 additions and 20 deletions

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arch/x86/kernel/step.c

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