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From: Mukesh Rathor <mukesh.rathor@oracle.com>
To: Keir Fraser <keir.fraser@eu.citrix.com>
Cc: "Xen-devel@lists.xensource.com" <Xen-devel@lists.xensource.com>
Subject: Re: current not very current (vs curr_vcpu)
Date: Wed, 24 Feb 2010 17:06:18 -0800	[thread overview]
Message-ID: <20100224170618.6d7c4608@mantra.us.oracle.com> (raw)
In-Reply-To: <C7AAB3D0.B236%keir.fraser@eu.citrix.com>

On Wed, 24 Feb 2010 10:45:36 +0000
Keir Fraser <keir.fraser@eu.citrix.com> wrote:

> On 24/02/2010 03:55, "Mukesh Rathor" <mukesh.rathor@oracle.com> wrote:
.... 
> > Well, I'm afraid not. It breaks the debug code to debug the hang.
> > More importantly, it also breaks my debuggers, which some people
> > from outside oracle are also using. Most of our new high end
> > servers are accessed via virtual serial port, so if ns16550_poll()
> > call is related to it, then it'll only get worse. Moreover, anybody
> > reading and copying that code to do something similar will be
> > misled.
> 
> Okay, see how xen-unstable:20969 works for you.


Yup, better. Thanks a lot.

BTW, since debuggers only care about BUG and ASSERT, perhaps 
DEBUGGER_trap_entry could be moved after BUGFRAME_warn, next time
you are in do_invalid_op().

Mukesh

  reply	other threads:[~2010-02-25  1:06 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-19  4:21 current not very current (vs curr_vcpu) Mukesh Rathor
2010-02-19  8:12 ` Keir Fraser
2010-02-19 19:23   ` Mukesh Rathor
2010-02-19 21:34     ` Keir Fraser
2010-02-20  3:50       ` Mukesh Rathor
2010-02-20  7:45         ` Keir Fraser
2010-02-22 18:59           ` Mukesh Rathor
2010-02-23 19:46           ` Mukesh Rathor
2010-02-23 21:03             ` Keir Fraser
2010-02-24  3:55               ` Mukesh Rathor
2010-02-24 10:45                 ` Keir Fraser
2010-02-25  1:06                   ` Mukesh Rathor [this message]
2010-02-25  8:07                     ` Keir Fraser

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