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From: Ingo Molnar <mingo@kernel.org>
To: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <peterz@infradead.org>,
	Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
	Anton Arapov <anton@redhat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/6] uprobes: don't use loff_t for the valid virtual address
Date: Thu, 14 Jun 2012 10:38:26 +0200	[thread overview]
Message-ID: <20120614083826.GA2964@gmail.com> (raw)
In-Reply-To: <20120614052430.GA9089@in.ibm.com>


* Ananth N Mavinakayanahalli <ananth@in.ibm.com> wrote:

> On Wed, Jun 13, 2012 at 08:51:06PM +0200, Oleg Nesterov wrote:
> > loff_t looks confusing when it is used for the virtual address.
> > Change map_info and install_breakpoint/remove_breakpoint paths
> > to use "unsigned long".
> > 
> > The patch doesn't change vma_address(), it can't return "long"
> > because it is used to verify the mapping. But probably this
> > needs some cleanups too.
> 
> Oleg,
> 
> As you mentioned in another email, this conflicts with my 
> [1/2] preparatory patch for the powerpc port. [...]

Note, I already merged your preparatory patch into tip:perf/core 
a couple of days ago:

 7eb9ba5ed312 uprobes: Pass probed vaddr to arch_uprobe_analyze_insn()

So as long as Oleg is working on top of -tip there should be no 
conflict.

Thanks,

	Ingo

  reply	other threads:[~2012-06-14  8:38 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-13 18:49 [PATCH 0/6] uprobes: misc cleanups Oleg Nesterov
2012-06-13 18:49 ` [PATCH 1/6] uprobes: copy_insn() shouldn't depend on mm/vma/vaddr Oleg Nesterov
2012-06-13 18:50 ` [PATCH 2/6] uprobes: copy_insn() should not return -ENOMEM if __copy_insn() fails Oleg Nesterov
2012-06-13 18:50 ` [PATCH 3/6] uprobes: no need to re-check vma_address() in write_opcode() Oleg Nesterov
2012-06-13 18:50 ` [PATCH 4/6] uprobes: move BUG_ON(UPROBE_SWBP_INSN_SIZE) from write_opcode() to install_breakpoint() Oleg Nesterov
2012-06-13 18:51 ` [PATCH 5/6] uprobes: don't use loff_t for the valid virtual address Oleg Nesterov
2012-06-14  5:24   ` Ananth N Mavinakayanahalli
2012-06-14  8:38     ` Ingo Molnar [this message]
2012-06-14  8:43       ` Ananth N Mavinakayanahalli
2012-06-14 10:58         ` Anton Arapov
2012-06-14 11:05           ` [PATCH v2 " Anton Arapov
2012-06-14 17:39     ` [PATCH " Oleg Nesterov
2012-06-13 18:51 ` [PATCH 6/6] uprobes: __copy_insn() needs "loff_t offset" Oleg Nesterov
2012-06-14  5:25 ` [PATCH 0/6] uprobes: misc cleanups Ananth N Mavinakayanahalli
2012-06-14 14:54 ` Srikar Dronamraju
2012-06-14 17:44   ` Oleg Nesterov

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