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From: Masami Hiramatsu <mhiramat@redhat.com>
To: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	David Miller <davem@davemloft.net>,
	hskinnemoen@atmel.com, schwidefsky@de.ibm.com,
	heiko.carstens@de.ibm.com, tony.luck@intel.com, paulus@samba.org,
	Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCHv2] kprobes: Introduce is_kprobe_fault()
Date: Tue, 08 Jan 2008 12:03:15 -0500	[thread overview]
Message-ID: <4783ACD3.5080700@redhat.com> (raw)
In-Reply-To: <1199737486.7666.12.camel@brick>

Hi,

Thank you for good work!

Harvey Harrison wrote:
> Use a central is_kprobe_fault() inline in kprobes.h to remove all
> of the arch-dependant, practically identical implementations in
> avr32, ia64, powerpc, s390, sparc64, and x86.
> 
> avr32 was the only arch without the preempt_disable/enable pair
> in its notify_page_fault implementation.
> 
> This uncovered a possible bug in the s390 version as that purely
> copied the x86 version unconditionally passing 14 as the trapnr
> rather than the error_code parameter.
> 
> Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>


I tested it on x86-64.

Acked-by: Masami Hiramatsu <mhiramat@redhat.com>

-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com, masami.hiramatsu.pt@hitachi.com


  parent reply	other threads:[~2008-01-08 17:04 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-07 20:24 Harvey Harrison
2008-01-08  5:37 ` Ananth N Mavinakayanahalli
2008-01-08 17:03 ` Masami Hiramatsu [this message]
2008-01-08 22:45 ` Paul Mackerras
2008-01-08 23:02   ` Harvey Harrison
2008-01-09  4:19     ` [PATCHv3] kprobes: Introduce kprobe_handle_fault() Harvey Harrison
2008-01-09  6:14       ` Heiko Carstens
2008-01-09  6:22         ` Harvey Harrison
2008-01-09 22:01           ` [PATCHv4] " Harvey Harrison
2008-01-09 23:16             ` Heiko Carstens
2008-01-10  0:25               ` Harvey Harrison
2008-01-10  0:44               ` [PATCH 1/2] " Harvey Harrison
2008-01-10  3:15                 ` Masami Hiramatsu
2008-01-10 12:50                 ` Ingo Molnar
2008-01-10  0:45               ` [PATCH 2/2] kprobe: remove preempt_enable/disable from kprobe_handle_fault() Harvey Harrison
2008-01-10  3:15                 ` Masami Hiramatsu
2008-01-09 23:31             ` [PATCHv4] kprobes: Introduce kprobe_handle_fault() Masami Hiramatsu
2008-01-09  7:58         ` [PATCHv3] " Christoph Hellwig
2008-01-09  7:57       ` Christoph Hellwig

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