kernel/fork.c: virtually mapped stacks: do not disable interrupts

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The reason to disable interrupts seems to be to avoid switching to a
different processor while handling per cpu data using individual loads and
stores.  If we use per cpu RMV primitives we will not have to disable
interrupts.

Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1705171055130.5898@east.gentwo.org
Signed-off-by: Christoph Lameter <cl@linux.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Christoph Lameter 2017-07-12 14:33:11 -07:00 • committed by Linus Torvalds

parent 91a90140f9

commit 112166f88c

1 changed files with 5 additions and 11 deletions

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kernel/fork.c

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