tree 68a2a0bf65ca705cfbcad147520f40cf5aef84f1
parent 99d5040ebc3cccc90dfe031f615ac3fbc79905b6
author Max Filippov <jcmvbkbc@gmail.com> 1373839344 +0400
committer Chris Zankel <chris@zankel.net> 1378486092 -0700

xtensa: new fast_alloca handler

Instead of emulating movsp instruction in the kernel use window
underflow handler to load missing register window and retry failed
movsp.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>