Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c7d204e8fdf02f88d91707213f473805bcfb977b Commit: c7d204e8fdf02f88d91707213f473805bcfb977b Parent: b038ced7b3705bf0ac9b30e118af0f56ab48b847 Author: Michael S. Tsirkin <[EMAIL PROTECTED]> AuthorDate: Sat Feb 10 23:17:26 2007 +0200 Committer: Roland Dreier <[EMAIL PROTECTED]> CommitDate: Mon Feb 12 16:16:29 2007 -0800
IB/mthca: Fix reserved MTTs calculation on mem-free HCAs The reserved_mtts field has different meaning in Tavor and Arbel, so we are wasting mtt entries on memfree. Fix the Arbel case to match Tavor semantics. Signed-off-by: Michael S. Tsirkin <[EMAIL PROTECTED]> Signed-off-by: Roland Dreier <[EMAIL PROTECTED]> --- drivers/infiniband/hw/mthca/mthca_cmd.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 968d151..7131446 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -1051,7 +1051,11 @@ int mthca_QUERY_DEV_LIM(struct mthca_dev *dev, MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_EQ_OFFSET); dev_lim->max_eqs = 1 << (field & 0x7); MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MTT_OFFSET); - dev_lim->reserved_mtts = 1 << (field >> 4); + if (mthca_is_memfree(dev)) + dev_lim->reserved_mtts = ALIGN((1 << (field >> 4)) * sizeof(u64), + MTHCA_MTT_SEG_SIZE) / MTHCA_MTT_SEG_SIZE; + else + dev_lim->reserved_mtts = 1 << (field >> 4); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET); dev_lim->max_mrw_sz = 1 << field; MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MRW_OFFSET); - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html