diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-19 15:20:58 +0000 |
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committer | Simone Willett <swillett@nvidia.com> | 2012-03-23 17:28:31 -0700 |
commit | d4c9c46147102dfc403691ed52609ae36ba5df08 (patch) | |
tree | a824acad12e57dce0be14329c353dc7a49f27575 /sound/pci/es1938.c | |
parent | e5b5fd672b03e36080c34720b976551f5526d8e9 (diff) |
ARM: fix rcu stalls on SMP platforms
We can stall RCU processing on SMP platforms if a CPU sits in its idle
loop for a long time. This happens because we don't call irq_enter()
and irq_exit() around generic_smp_call_function_interrupt() and
friends. Add the necessary calls, and remove the one from within
ipi_timer(), so that they're all in a common place.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Change-Id: I3383645deba180958b548fbae5aca795ac4094f6
Reviewed-on: http://git-master/r/90691
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
Tested-by: Juha Tukkinen <jtukkinen@nvidia.com>
Diffstat (limited to 'sound/pci/es1938.c')
0 files changed, 0 insertions, 0 deletions