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Re: [Xen-devel] [PATCH][XEN] __trap_to_gdb should return something diffe
| To: | Jimi Xenidis <jimix@xxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH][XEN] __trap_to_gdb should return something different |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Mon, 25 Sep 2006 14:34:58 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, xen-ppc-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Mon, 25 Sep 2006 06:34:09 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH][XEN] __trap_to_gdb should return something different |
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On 25/9/06 14:27, "Jimi Xenidis" <jimix@xxxxxxxxxxxxxx> wrote: > Currently there are two failure cases: > 1) GDB had no transport available for its use (UART or otherwise) > 2) "unexpected trap", usually another trap occurs while gdb is in > control > > I suppose we could have (1) -EIO and (2) -EBUSY. > My logic was that either gdb was available or not and that I needed > to continue as if gdb was not enabled at all. How would your behaviour differ if gdbstub actually ran and eventually returned control to you, versus the trap into the debugger being a simple no-op? Surely the caller doesn't really care either way? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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