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Re: [Xen-devel] current not very current (vs curr_vcpu)
| To: | Mukesh Rathor <mukesh.rathor@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] current not very current (vs curr_vcpu) |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Fri, 19 Feb 2010 21:34:39 +0000 |
| Cc: | "Xen-devel@xxxxxxxxxxxxxxxxxxx" <Xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 19 Feb 2010 13:35:33 -0800 |
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| Thread-topic: | [Xen-devel] current not very current (vs curr_vcpu) |
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On 19/02/2010 19:23, "Mukesh Rathor" <mukesh.rathor@xxxxxxxxxx> wrote: > Yes, but my point is it doesn't appear to be running idle vcpu as > indicated by regs->rsp and regs->rip. They both point to dom0 context. > This from printk in ns16550_interrupt(). > > To rephrase the question, if regs->rip and regs->rsp show guest context > in do_IRQ(), then current must always point to guest vcpu, correct? Oh, so the serial interrupt interrupted a guest's execution? Then yes, current should point at that guest. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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