commit | a67798cd7bb130bf37f5ffb28f3260f4c10232db | [log] [tgz] |
---|---|---|
author | Martin Hicks <mort@sgi.com> | Fri Jan 30 10:50:54 2009 -0600 |
committer | H. Peter Anvin <hpa@zytor.com> | Mon Feb 02 21:18:03 2009 -0800 |
tree | 4f6e19711f02fd0b860cb428a264eee15b6b3ff1 | |
parent | 10b888d6cec2688e65e9e128b14bf98ecd199da2 [diff] |
x86: push old stack address on irqstack for unwinder Impact: Fixes dumpstack and KDB on 64 bits This re-adds the old stack pointer to the top of the irqstack to help with unwinding. It was removed in commit d99015b1abbad743aa049b439c1e1dede6d0fa49 as part of the save_args out-of-line work. Both dumpstack and KDB require this information. Signed-off-by: Martin Hicks <mort@sgi.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>