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| author | Ralph Campbell | 2007-07-06 21:48:38 +0200 |
|---|---|---|
| committer | Roland Dreier | 2007-07-10 05:12:26 +0200 |
| commit | 37a7e9b7f28fbef4b6abda102fa41c1467f6022f (patch) | |
| tree | a11e49052ffbf12c124477c1239e2bd4363054a2 /drivers/infiniband | |
| parent | IB/ipath: Update MAINTAINERS entry (diff) | |
| download | kernel-qcow2-linux-37a7e9b7f28fbef4b6abda102fa41c1467f6022f.tar.gz kernel-qcow2-linux-37a7e9b7f28fbef4b6abda102fa41c1467f6022f.tar.xz kernel-qcow2-linux-37a7e9b7f28fbef4b6abda102fa41c1467f6022f.zip | |
IB/ipath: Lower default number of kernel send buffers
The default calculation for the number of send buffers to allocate to
the kernel was too high for the PCIe version of the chip thus leaving
fewer than desired send buffers for user MPI applications.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_init_chip.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c index 1b1af349f194..fa98aabdf76b 100644 --- a/drivers/infiniband/hw/ipath/ipath_init_chip.c +++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c @@ -737,7 +737,7 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit) uports = dd->ipath_cfgports ? dd->ipath_cfgports - 1 : 0; if (ipath_kpiobufs == 0) { /* not set by user (this is default) */ - if (piobufs >= (uports * IPATH_MIN_USER_PORT_BUFCNT) + 32) + if (piobufs > 144) kpiobufs = 32; else kpiobufs = 16; |