tree 2e9281f10f1dffc9fc6b470e823b02bb720ecc4c
parent 2cb82400719e085a3c226cf7cce8950208f09a06
author Chris Metcalf <cmetcalf@tilera.com> 1298916512 -0500
committer Chris Metcalf <cmetcalf@tilera.com> 1299014398 -0500

arch/tile: bug fix: exec'ed task thought it was still single-stepping

To handle single-step, tile mmap's a page of memory in the process
space for each thread and uses it to construct a version of the
instruction that we want to single step.  If the process exec's,
though, we lose that mapping, and the kernel needs to be aware that
it will need to recreate it if the exec'ed process than tries to
single-step as well.

Also correct some int32_t to s32 for better kernel style.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>