From: Oleg Nesterov <oleg@redhat.com>
To: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Tejun Heo <tj@kernel.org>,
linux-kernel@vger.kernel.org,
Denys Vlasenko <vda.linux@googlemail.com>
Subject: Re: [PATCH v3] Make PTRACE_SEIZE set ptrace options specified in 'data'
Date: Thu, 8 Sep 2011 21:24:45 +0200 [thread overview]
Message-ID: <20110908192445.GA30656@redhat.com> (raw)
In-Reply-To: <1315506333.18043.49.camel@dhcp-25-63.brq.redhat.com>
On 09/08, Denys Vlasenko wrote:
>
> Make PTRACE_SEIZE set ptrace options specified in 'data' parameter
Thanks, looks good. But we need the correct "Simplify PTRACE_foo..."
first.
> Make it possible to extend SEIZE in the future with more functionality
> by passing non-zero 'addr' parameter.
Agreed, this makes sense.
> Set all task->ptrace bits in one operation - before this change,
> we were adding PT_SEIZED and PT_PTRACE_CAP with task->ptrace |= BIT ops.
> This was probably ok (not a bug), but let's be on a safer side.
PT_PTRACE_CAP is fine, but PT_SEIZED is not really, afaics.
Oleg.
next prev parent reply other threads:[~2011-09-08 23:32 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-08 18:22 [PATCH v3] Make PTRACE_SEIZE set ptrace options specified in 'data' Denys Vlasenko
2011-09-08 19:24 ` Oleg Nesterov [this message]
2011-09-09 11:12 ` Pedro Alves
2011-09-09 12:28 ` Denys Vlasenko
2011-09-09 13:15 ` Pedro Alves
2011-09-09 16:30 ` Oleg Nesterov
2011-09-09 16:55 ` Denys Vlasenko
2011-09-09 17:09 ` Pedro Alves
2011-09-09 17:18 ` Oleg Nesterov
2011-09-09 20:03 ` Denys Vlasenko
2011-09-10 11:19 ` Pedro Alves
2011-09-10 11:40 ` Denys Vlasenko
2011-09-10 12:12 ` Pedro Alves
2011-09-10 15:36 ` Pedro Alves
2011-09-13 7:45 ` Indan Zupancic
2011-09-13 8:04 ` Indan Zupancic
2011-09-10 23:34 ` Tejun Heo
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