x86, dumpstack: let signr=0 signal no do_exit
Change oops_end such that signr=0 signals that do_exit is not to be called. Currently, each use of __die is soon followed by a call to oops_end and 'regs' is set to NULL if oops_end is expected not to call do_exit. Change all such pairs to set signr=0 instead. On x86_64 oops_end is used 'bare' in die_nmi; use signr=0 instead of regs=NULL there, too. Signed-off-by: NAlexander van Heukelum <heukelum@fastmail.fm> Acked-by: NNeil Horman <nhorman@tuxdriver.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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