| commit | f9aad60010efa896319ed6e908a5cb5e3a852907 | [log] [tgz] |
|---|---|---|
| author | David S. Miller <davem@davemloft.net> | Tue Nov 25 22:26:59 2008 -0800 |
| committer | David S. Miller <davem@davemloft.net> | Thu Dec 04 09:17:04 2008 -0800 |
| tree | 14725323047fdc4346373bd1fc718662ad2d1f3e | |
| parent | 5565736e44fff06dc5f5c6559e04ac58d2d560ab [diff] |
sparc64: Block NMIs in critical section of context switch. In these instructions we load the new thread register, switch the register window, and setup the new frame pointer. All of these must appear atomic, and things will explode if we take a PIL=15 NMI interrupt in the middle of this sequence. Signed-off-by: David S. Miller <davem@davemloft.net>