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If you are on ia64 and you modprobe xpc then modprobe -r xpc, you immediately get a panic. xpc depends on xp which depends on gru for a symbol. That symbol is only used when we are running on UV hardware. Currently, the GRU driver detects we are not on UV hardware and does no initializing. It does not do the same check when unloading. As a result, the gru driver attempts to tear down stuff that was not setup. This is a simple two-line workaround to get us through this release. Once 2.6.28 is opened, we need to rework the symbols that xp is depending on from gru so the gru driver can properly fail to load when hardware is not available. Signed-off-by: Robin Holt <holt@sgi.com> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| gru_instructions.h | ||
| gru.h | ||
| grufault.c | ||
| grufile.c | ||
| gruhandles.h | ||
| grukservices.c | ||
| grukservices.h | ||
| grulib.h | ||
| grumain.c | ||
| gruprocfs.c | ||
| grutables.h | ||
| grutlbpurge.c | ||
| Makefile | ||