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authorRodolfo Giometti <giometti@linux.it>2009-11-11 23:26:54 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2009-11-12 16:26:01 +0100
commit276b282e904f690dc930f9bc946110651f297669 (patch)
tree7e50db4cee555f6044bd389452269d3c0fe45ed6 /mm
parentpps: locking scheme fix up for PPS_GETPARAMS (diff)
downloadlinux-276b282e904f690dc930f9bc946110651f297669.tar.xz
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pps: events reporting fix up
PPS events must be recorded according to PPS's mode settings. If a process asks for (i.e.) capture-assert events only, when the PPS client calls the pps_event() function to save the current PPS event, we should verify the event type and then discard unwanted ones. Also, without this patch userland processes waiting for a specific PPS event (assert or clear but not both) may be awakened at wrong time. Signed-off-by: Rodolfo Giometti <giometti@linux.it> Tested-by: William S. Brasher <billb958@door.net> Tested-by: Reg Clemens <clemens@dwf.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
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