Re: [PATCH 18/39] NLKD/x86-64 - INT1/INT3 handling changes

[Andi Kleen]

On Wednesday 09 November 2005 15:13, Jan Beulich wrote:
> This
> - switches the INT3 handler to run on an IST stack (to cope with
>   breakpoints set by a kernel debugger on places where the kernel's
>   %gs base hasn't been set up, yet); the IST stack used is shared with
>   the INT1 handler's
> - allows nesting of INT1/INT3 handlers so that one can, with a kernel
>   debugger, debug (at least) the user-mode portions of the INT1/INT3
>   handling; the nesting isn't actively enabled here since a kernel-
>   debugger-free kernel doesn't need it

Looks reasonable except for the CONFIG_NLKD hunk, which doesn't
seem to be related. I think I'll apply it without that.

-Andi
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