From: "K.Prasad" <prasad@linux.vnet.ibm.com>
To: Jan Kiszka <jan.kiszka@siemens.com>,
Frederic Weisbecker <fweisbec@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
Alan Stern <stern@rowland.harvard.edu>
Subject: Re: [RFC Patch 2/2][Bugfix][x86][hw-breakpoint] Fix return-code to notifier chain in hw_breakpoint_handler
Date: Fri, 22 Jan 2010 14:51:27 +0530 [thread overview]
Message-ID: <20100122092127.GB7127@in.ibm.com> (raw)
In-Reply-To: <4B596C8E.2020600@siemens.com>
On Fri, Jan 22, 2010 at 10:14:54AM +0100, Jan Kiszka wrote:
> K.Prasad wrote:
> > On Sun, Jan 17, 2010 at 01:10:58AM +0530, K.Prasad wrote:
> >> On Mon, Jan 11, 2010 at 08:15:29PM +0100, Jan Kiszka wrote:
> >>> Frederic Weisbecker wrote:
> >>>> On Fri, Jan 01, 2010 at 12:32:17AM +0530, K.Prasad wrote:
> >>>>> On Thu, Dec 31, 2009 at 01:38:09AM +0100, Frederic Weisbecker wrote:
> >>>>>> On Sat, Dec 26, 2009 at 11:58:33PM +0530, K.Prasad wrote:
> >>>>>>> The hw-breakpoint handler will return NOTIFY_DONE for user-space breakpoints
> >>>>>>> to generate SIGTRAP signal (and not for kernel-space addresses).
> >>>>>>>
<snipped>
> >> Such a behaviour shouldn't be affected by the above change...your
> >> confirmation would help!
> >>
> >
> > Hi Jan,
> > I presume that the above explanation makes the role of this
> > patch/bugfix clear.
> >
> > Kindly let me know if you have any further queries.
> >
>
> Nope. There should be really no conflicts of your optimization with kvm.
>
> Jan
>
> --
Hi Jan,
Thanks for the confirmation.
Hi Frederic,
Can you pull these fixes in? (LKML references:
20091226182725.GB9494@in.ibm.com and 20091226182833.GC9494@in.ibm.com).
Thanks,
K.Prasad
next prev parent reply other threads:[~2010-01-22 9:21 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20091226175533.149765731@linux.vnet.ibm.com>
2009-12-26 18:27 ` [RFC Patch 1/2][Bugfix][x86][hw-breakpoint] Clear reserved bits of DR6 in do_debug() K.Prasad
2009-12-30 23:45 ` Frederic Weisbecker
2009-12-31 18:49 ` K.Prasad
2010-01-10 3:22 ` Frederic Weisbecker
2009-12-26 18:28 ` [RFC Patch 2/2][Bugfix][x86][hw-breakpoint] Fix return-code to notifier chain in hw_breakpoint_handler K.Prasad
2009-12-31 0:33 ` Frederic Weisbecker
2009-12-31 0:38 ` Frederic Weisbecker
2009-12-31 19:02 ` K.Prasad
2010-01-10 3:18 ` Frederic Weisbecker
2010-01-11 19:15 ` Jan Kiszka
2010-01-16 19:41 ` K.Prasad
2010-01-20 6:01 ` K.Prasad
2010-01-22 9:14 ` Jan Kiszka
2010-01-22 9:21 ` K.Prasad [this message]
2010-01-25 22:21 ` Frederic Weisbecker
2010-01-27 10:29 ` K.Prasad
2009-12-31 0:44 ` Frederic Weisbecker
2010-01-25 22:11 ` Frederic Weisbecker
2010-01-27 10:28 ` K.Prasad
2010-01-27 16:11 ` Frederic Weisbecker
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