[SPARC]: Fix exec failures on sun4c.

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This deals with a sun4c issue caused by commit b6a2fea393:
mm: variable length argument support.

The new way the code works means that sun4c_update_mmu_cache gets
called before a context has been selected, which results in invalid
operation of the underling mm code.

Simply ignoring update requests when there is no valid context solves
the problem.

Signed-off-by Mark Fortescue <mark@mtfhpc.demon.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Mark Fortescue 2007-07-31 02:03:11 -07:00 • committed by David S. Miller

parent 2fa3195d72

commit da4e9fea85

1 changed files with 3 additions and 0 deletions

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arch/sparc/mm/sun4c.c

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