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author | Dave Kleikamp <shaggy@austin.ibm.com> | 2005-07-28 09:03:36 -0500 |
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committer | Dave Kleikamp <shaggy@austin.ibm.com> | 2005-07-28 09:03:36 -0500 |
commit | da28c12089dfcfb8695b6b555cdb8e03dda2b690 (patch) | |
tree | b3ff509f21352ef053cb3d490cb13528090d32ac /drivers/infiniband/hw/mthca/mthca_cq.c | |
parent | 6de7dc2c4c713d037c19aa1e310d240f16973414 (diff) | |
parent | 577a4f8102d54b504cb22eb021b89e957e8df18f (diff) | |
download | linux-rt-da28c12089dfcfb8695b6b555cdb8e03dda2b690.tar.gz |
Merge with /home/shaggy/git/linus-clean/
/home/shaggy/git/linus-clean/
/home/shaggy/git/linus-clean/
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_cq.c')
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cq.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index b5aea7b869f6..5687c3014522 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -373,8 +373,12 @@ static int handle_error_cqe(struct mthca_dev *dev, struct mthca_cq *cq, * If we're at the end of the WQE chain, or we've used up our * doorbell count, free the CQE. Otherwise just update it for * the next poll operation. + * + * This does not apply to mem-free HCAs: they don't use the + * doorbell count field, and so we should always free the CQE. */ - if (!(new_wqe & cpu_to_be32(0x3f)) || (!cqe->db_cnt && dbd)) + if (mthca_is_memfree(dev) || + !(new_wqe & cpu_to_be32(0x3f)) || (!cqe->db_cnt && dbd)) return 0; cqe->db_cnt = cpu_to_be16(be16_to_cpu(cqe->db_cnt) - dbd); |