[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH] mem_event: Allow memory access listener to perform single step execution


  • To: Aravindh Puthiyaparambil <aravindh@xxxxxxxxxxxx>, Tim Deegan <Tim.Deegan@xxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxx>
  • Date: Sat, 28 May 2011 08:53:56 +0100
  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Sat, 28 May 2011 01:26:08 -0700
  • Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:user-agent:date:subject:from:to:cc:message-id:thread-topic :thread-index:in-reply-to:mime-version:content-type :content-transfer-encoding; b=fywff8UwddezU+WLrH8DqkVoKplI+qx8dtXtjhjTQ+AxLYCFf5+KVmyjiP2GKncTEE Of8OowsSBMZIVwfgrylhf5tKTH3ewgFnC2i6TsSHMdI37YeNYv2zqNOhBYgIXYQ4SxE0 H3ED2f/25z9sC339YE5kutKMdIySi5lvpb+Qo=
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcwdDGUbuFlmFXd3r0+OcSs5LAcQyQ==
  • Thread-topic: [Xen-devel] [PATCH] mem_event: Allow memory access listener to perform single step execution

I removed and unrelated and pointless change that broke the x86_32 build, as
c/s 23435. If that change is okay for you, I could backport the combination
of 23434+23435 to 4.1.1.

 -- Keir

On 27/05/2011 17:36, "Aravindh Puthiyaparambil" <aravindh@xxxxxxxxxxxx>
wrote:

> Can this be included in xen-4.1-testing.hg too so that it could make the Xen
> 4.1.1 cut?
> 
> Thanks,
> Aravindh
> 
> On May 27, 2011 1:39 AM, "Tim Deegan" <Tim.Deegan@xxxxxxxxxx> wrote:
>> At 04:39 +0100 on 27 May (1306471145), Aravindh Puthiyaparambil wrote:
>>> mem_event: Allow memory access listener to perform single step execution.
>>> Add a new memory event that handles single step. This allows the memory
>>> access listener to handle instructions that modify data within the execution
>>> page.
>>> This can be enabled in the listener by doing:
>>> xc_set_hvm_param(xch, domain_id, HVM_PARAM_MEMORY_EVENT_SINGLE_STEP,
>>> HVMPME_mode_sync)
>>> 
>>> Now the listener can start single stepping by:
>>> xc_domain_debug_control(xch, domain_id, XEN_DOMCTL_DEBUG_OP_SINGLE_STEP_ON,
>>> vcpu_id)
>>> 
>>> And stop single stepping by:
>>> xc_domain_debug_control(xch, domain_id, XEN_DOMCTL_DEBUG_OP_SINGLE_STEP_OFF,
>>> vcpu_id)
>>> 
>>> Signed-off-by: Aravindh Puthiyaparambil <aravindh@xxxxxxxxxxxx>
>> 
>> Acked-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
>> 
>> -- 
>> Tim Deegan <Tim.Deegan@xxxxxxxxxx>
>> Principal Software Engineer, Xen Platform Team
>> Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.