On Wed, Oct 10, 2012 at 01:20:37AM +1100, Michael Ellerman wrote:
> We have over 15 routines that implement essentially the same logic
> in terms of catching faults. Pull the logic out into two helper
> routines.
>
> The pattern becomes:
>
> if (start_bus_error_jump() == 0) {
> <do potentially faulting things>
>
> end_bus_error_jump();
> } else {
> printf("Faulting thing faulted!\n");
> }
NAK... think about how setjmp() works. You can't return from the
function that called setjmp() while there is any possibility that
longjmp() could be called for the same jmp_buf.
Paul.
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