From: Oleg Nesterov <oleg@redhat.com>
Date: Fri, 3 Aug 2012 15:31:46 +0000 (+0200)
Subject: ptrace/x86: Introduce set_task_blockstep() helper
X-Git-Tag: v3.2.39~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6d0d3f3aca8f6ec0cd91d062abab0196905a9352;p=pandora-kernel.git

ptrace/x86: Introduce set_task_blockstep() helper

commit 848e8f5f0ad3169560c516fff6471be65f76e69f upstream.

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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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