From: Oleg Nesterov <oleg@redhat.com>
To: Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Anton Arapov <anton@redhat.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: [PATCH 0/4] uprobes: remove is_swbp_at_addr() from register/unregister
Date: Sun, 23 Sep 2012 22:19:21 +0200 [thread overview]
Message-ID: <20120923201921.GA27424@redhat.com> (raw)
Hello.
1. the usage of is_swbp_at_addr() is confusing. This series tries
to answer the questions we got during the discussion about
powerpc port which has multiple trap insns.
Ananth, please review too ;) at least the changelog in 1/4.
Note: the changelog doesn't mention is_swbp_insn(). If powerpc
wants to change it, we need 2 helpers for verify_opcode() and
for is_swbp_at_addr().
2. This is also preparation for the pre-filtering I am working on.
In particular, this series tries to make clear the fact that
register/unregister should be "idempotent".
Oleg.
kernel/events/uprobes.c | 165 +++++++++++++++++------------------------------
1 files changed, 59 insertions(+), 106 deletions(-)
next reply other threads:[~2012-09-23 20:19 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-23 20:19 Oleg Nesterov [this message]
2012-09-23 20:19 ` [PATCH 1/4] uprobes: Kill set_swbp()->is_swbp_at_addr() Oleg Nesterov
2012-09-24 9:03 ` Peter Zijlstra
2012-09-24 15:23 ` Oleg Nesterov
2012-09-24 9:08 ` Ananth N Mavinakayanahalli
2012-09-24 16:02 ` Oleg Nesterov
2012-10-06 6:55 ` Srikar Dronamraju
2012-09-23 20:19 ` [PATCH 2/4] uprobes: Introduce copy_opcode(), kill read_opcode() Oleg Nesterov
2012-10-06 6:59 ` Srikar Dronamraju
2012-09-23 20:19 ` [PATCH 3/4] uprobes: Kill set_orig_insn()->is_swbp_at_addr() Oleg Nesterov
2012-09-24 9:13 ` Peter Zijlstra
2012-09-24 15:23 ` Oleg Nesterov
2012-10-06 7:18 ` Srikar Dronamraju
2012-09-23 20:19 ` [PATCH 4/4] uprobes: Simplify is_swbp_at_addr(), remove stale comments Oleg Nesterov
2012-10-06 7:11 ` Srikar Dronamraju
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