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authorOleg Nesterov <oleg@redhat.com>2009-03-02 22:58:45 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-09 13:23:25 -0700
commit2d5516cbb9daf7d0e342a2e3b0fc6f8c39a81205 (patch)
tree7f3fa06b708a508f4cc0fa6ef7894ede14101c87 /virt/kvm/iodev.h
parentdf0b4a5080ca668636831b641a6356500fb5c637 (diff)
copy_process: fix CLONE_PARENT && parent_exec_id interaction
CLONE_PARENT can fool the ->self_exec_id/parent_exec_id logic. If we re-use the old parent, we must also re-use ->parent_exec_id to make sure exit_notify() sees the right ->xxx_exec_id's when the CLONE_PARENT'ed task exits. Also, move down the "p->parent_exec_id = p->self_exec_id" thing, to place two different cases together. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: Roland McGrath <roland@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Howells <dhowells@redhat.com> Cc: Serge E. Hallyn <serge@hallyn.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'virt/kvm/iodev.h')
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