Patch "IB/rxe: Increase max number of completions to 32k" has been added to the 4.9-stable tree

Patch "IB/rxe: Increase max number of completions to 32k" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    IB/rxe: Increase max number of completions to 32k

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     ib-rxe-increase-max-number-of-completions-to-32k.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From d680ebed91e0b45c43ae03a880a0b43211096161 Mon Sep 17 00:00:00 2001
From: Yonatan Cohen <yonatanc@mellanox.com>
Date: Wed, 16 Nov 2016 10:39:16 +0200
Subject: IB/rxe: Increase max number of completions to 32k

From: Yonatan Cohen <yonatanc@mellanox.com>

commit d680ebed91e0b45c43ae03a880a0b43211096161 upstream.

Increase limit of max CQE from 8K to 32K to allow demanding
applications to work over SoftRoCE with same configuration
as most RoCEv2 HW vendors have.

Fixes: 8700e3e7c485 ("Soft RoCE driver")
Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/infiniband/sw/rxe/rxe_param.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/infiniband/sw/rxe/rxe_param.h
+++ b/drivers/infiniband/sw/rxe/rxe_param.h
@@ -82,7 +82,7 @@ enum rxe_device_param {
 	RXE_MAX_SGE			= 32,
 	RXE_MAX_SGE_RD			= 32,
 	RXE_MAX_CQ			= 16384,
-	RXE_MAX_LOG_CQE			= 13,
+	RXE_MAX_LOG_CQE			= 15,
 	RXE_MAX_MR			= 2 * 1024,
 	RXE_MAX_PD			= 0x7ffc,
 	RXE_MAX_QP_RD_ATOM		= 128,


Patches currently in stable-queue which might be from yonatanc@mellanox.com are

queue-4.9/ib-rxe-increase-max-number-of-completions-to-32k.patch