lkml.org 
[lkml]   [2011]   [Feb]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[117/272] RDMA/cxgb4: Limit MAXBURST EQ context field to 256B
    2.6.37-stable review patch.  If anyone has any objections, please let us know.

    ------------------

    From: Steve Wise <swise@opengridcomputing.com>

    commit 6a09a9d6946dd516d243d072bee83fae3c683471 upstream.

    MAXBURST cannot exceed 256B for on-chip queues. With a 512B MAXBURST,
    we can lock up the chip.

    Signed-off-by: Steve Wise <swise@opengridcomputing.com>
    Signed-off-by: Roland Dreier <roland@purestorage.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    drivers/infiniband/hw/cxgb4/qp.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    --- a/drivers/infiniband/hw/cxgb4/qp.c
    +++ b/drivers/infiniband/hw/cxgb4/qp.c
    @@ -220,7 +220,7 @@ static int create_qp(struct c4iw_rdev *r
    V_FW_RI_RES_WR_DCAEN(0) |
    V_FW_RI_RES_WR_DCACPU(0) |
    V_FW_RI_RES_WR_FBMIN(2) |
    - V_FW_RI_RES_WR_FBMAX(3) |
    + V_FW_RI_RES_WR_FBMAX(2) |
    V_FW_RI_RES_WR_CIDXFTHRESHO(0) |
    V_FW_RI_RES_WR_CIDXFTHRESH(0) |
    V_FW_RI_RES_WR_EQSIZE(eqsize));
    @@ -243,7 +243,7 @@ static int create_qp(struct c4iw_rdev *r
    V_FW_RI_RES_WR_DCAEN(0) |
    V_FW_RI_RES_WR_DCACPU(0) |
    V_FW_RI_RES_WR_FBMIN(2) |
    - V_FW_RI_RES_WR_FBMAX(3) |
    + V_FW_RI_RES_WR_FBMAX(2) |
    V_FW_RI_RES_WR_CIDXFTHRESHO(0) |
    V_FW_RI_RES_WR_CIDXFTHRESH(0) |
    V_FW_RI_RES_WR_EQSIZE(eqsize));



    \
     
     \ /
      Last update: 2011-02-16 01:29    [W:4.027 / U:0.064 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site