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Re: [Xen-devel] [PATCH] vmx: Fix single step on debugger
| To: | Kouya Shimura <kouya@xxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] vmx: Fix single step on debugger |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Mon, 22 Dec 2008 08:02:03 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Mon, 22 Dec 2008 00:02:30 -0800 |
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| Thread-index: | AclkC5L5pju3Igzyb0KdCqiteUTcGQ== |
| Thread-topic: | [Xen-devel] [PATCH] vmx: Fix single step on debugger |
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On 22/12/2008 02:34, "Kouya Shimura" <kouya@xxxxxxxxxxxxxx> wrote: > Indeed, this fix is hacky but it works well for me. > > At first, I tried setting GUEST_PENDING_DBG_EXCEPTIONS.BS > according to the SDM. As a result, the guest doesn't be killed > but never go progress after the STI instruction > (i.e. VM exit immediately after VM entry) as long as RFLAGS.TF=1. > That is inconvenient for debugging. > > Is there any other way? If you make it conditional on debugger_attached then I guess you can do what you like. I strongly dislike it though. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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