Sped up SPARC kernel crossings
authorAndrew Waterman <waterman@parcad.millennium.berkeley.edu>
Tue, 19 Jan 2010 23:22:56 +0000 (15:22 -0800)
committerAndrew Waterman <waterman@parcad.millennium.berkeley.edu>
Tue, 19 Jan 2010 23:22:56 +0000 (15:22 -0800)
commitc277fac404f670b3d52c012b7573339156adb01e
treeb998ace2ab907dc59c108087bd3731b560313170
parent978bbc71b1e923e1c8e72fdf63d0e33e60ff9edd
Sped up SPARC kernel crossings

Trash the register windows on kernel->user transition,
rather than flushing them.
kern/arch/sparc/trap_entry.S