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sparc64: Make itc_sync_lock raw
authorKirill Tkhai <tkhai@yandex.ru>
Wed, 16 Apr 2014 20:45:24 +0000 (00:45 +0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 14 Aug 2014 01:24:16 +0000 (09:24 +0800)
commitf07030c1e2eadec2ee9863e1b7e06036a2166886
tree289684ff41fa74002a83e8cd29db75dccd7c817atree
parentaf25a08645b730f1d327110235d480266fa18acbcommit | diff
sparc64: Make itc_sync_lock raw

[ Upstream commit 49b6c01f4c1de3b5e5427ac5aba80f9f6d27837a ]

One more place where we must not be able
to be preempted or to be interrupted in RT.

Always actually disable interrupts during
synchronization cycle.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/sparc/kernel/smp_64.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git