Patch "ibmvscsis: Fix max transfer length" has been added to the 4.9-stable tree

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

ibmvscsis: Fix max transfer length

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:
ibmvscsis-fix-max-transfer-length.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 <[email protected]> know about it.

From: "Bryant G. Ly" <[email protected]>
Date: Wed, 11 Jan 2017 13:52:27 -0600
Subject: ibmvscsis: Fix max transfer length

From: Bryant G. Ly <[email protected]>

commit 387b978cb0d12cf3720ecb17e652e0a9991a08e2 upstream.

Current code incorrectly calculates the max transfer length, since it is assuming a 4k page table, but ppc64 all run on 64k page tables.

---
 drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

@@ -45,6 +45,7 @@
 
 #define	INITIAL_SRP_LIMIT	800
 #define	DEFAULT_MAX_SECTORS	256
+#define MAX_TXU			1024 * 1024
 
 static uint max_vdma_size = MAX_H_COPY_RDMA;
 

@@ -1291,7 +1292,7 @@ static long ibmvscsis_adapter_info(struc
 	info->mad_version = cpu_to_be32(MAD_VERSION_1);
 	info->os_type = cpu_to_be32(LINUX);
 	memset(&info->port_max_txu[0], 0, sizeof(info->port_max_txu));
-	info->port_max_txu[0] = cpu_to_be32(128 * PAGE_SIZE);
+	info->port_max_txu[0] = cpu_to_be32(MAX_TXU);
 
 	dma_wmb();
 	rc = h_copy_rdma(sizeof(*info), vscsi->dds.window[LOCAL].liobn,

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/ibmvscsis-fix-max-transfer-length.patch queue-4.9/ibmvscsis-fix-sleeping-in-interrupt-context.patch