[Xen-devel] RE: [RFC] [PATCH] Dom0: Don't switch back to user space stack in syscall entry

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> 12.02.10 05:30 >>>
>Are there any issue currently for nesting interrupt? The issue here is
>because of the syscall's stack, which is not strictly related to nesting
>interrupt, I think.

For the specific syscall case there probably aren't (but I didn't fully
think this through). But for the general case there are, so if IST-like
support is to be added, it should account for nesting.

Jan


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