arch/tile: warn and retry if an IPI is not accepted by the target cpu
authorChris Metcalf <cmetcalf@tilera.com>
Mon, 28 Feb 2011 18:32:14 +0000 (13:32 -0500)
committerChris Metcalf <cmetcalf@tilera.com>
Tue, 1 Mar 2011 21:20:16 +0000 (16:20 -0500)
commitbbeee4b2815dd318e9ec9d092d7f79061cc8ba36
tree303698ddc85ff93272bc9ef923f472edeb3f9d0d
parentb2ce2bdaf942172914a9a39b26065ff7aacdf962
arch/tile: warn and retry if an IPI is not accepted by the target cpu

Previously we assumed this was impossible, but in fact it can happen.
Handle it gracefully by retrying after issuing a warning.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
arch/tile/kernel/smp.c