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author | Gavin Shan <gwshan@linux.vnet.ibm.com> | 2015-08-27 15:58:27 +1000 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-10-15 20:31:58 +1100 |
commit | 54f9a64a36e4fc041721a954e674797c2686ea4e (patch) | |
tree | 1e2e5df84aa1ab4282db37c4fa653fb04e506756 /drivers/macintosh | |
parent | 2e1a2556ebbbe7b53a05b721ac0d3d8ca9873cdb (diff) |
powerpc/eeh: atomic_dec_if_positive() to update passthru count
No need to have two atomic opertions (update and fetch/check) when
decreasing PE's number of passed devices as one atomic operation
is enough.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/macintosh')
0 files changed, 0 insertions, 0 deletions