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

[Keir Fraser <keir@xxxxxxx>]

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)
> 
> 
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