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authorCornelia Huck <cornelia.huck@de.ibm.com>2006-06-29 09:08:41 -0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-06-29 09:08:41 -0400
commit94bb063312d872d9269deb2e5c0c7c6d5b0318e1 (patch)
treebef899fbe742ee31d93ff0e077898d4562086f9e /arch/sh64/kernel/pcibios.c
parent5b5dd21a8e6652fc8b58a32757575cc7fce2b54d (diff)
[S390] rework of channel measurement facility.
Fixes for several channel measurement facility bugs: * Blocks copied from the hardware might not be consistent. Solve this by moving the copying into idle state and repeating the copying. * avg_sample_interval changed with every read, even though no new block was available. Solve this by storing a timestamp when the last new block was received. * Several locking issues. * Measurements were not reenabled after a disconnected device became available again. * Remove #defines for ioctls that were never implemented. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/sh64/kernel/pcibios.c')
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