From: Kiran Patil <kiran.patil@intel.com>
Date: Mon, 20 Jun 2011 23:59:20 +0000 (-0700)
Subject: [SCSI] fcoe: Round-robin based selection of CPU for post-processing of incoming commands
X-Git-Tag: v3.1-rc1~270^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=064287eee372e8a2effe77fb909a40da9e7a1fd7;p=pandora-kernel.git

[SCSI] fcoe: Round-robin based selection of CPU for post-processing of incoming commands

Problem: Earlier mechanism of selection of CPU was, to select the same CPU
which has received incoming request. Hence in case of rx_id = 0xFFFF,
request was always posted to same NetRx queue, hence only 1 CPU is utilized
for handling the command. It was also causing problem of "running out of
exchanges from per CPU pool of exchanges (in case of DDP offload)

Fix: Implemented new algo. to select CPU for post-processing of
incoming commands when rx_id is unknown. This is simple Round robin
algo. for CPU selection.

Notes/Dependencies: N/A

Signed-off-by: Kiran Patil <kiran.patil@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

Reading git-diff-tree failed