From: Daniel Borkmann <dborkman@redhat.com>
Date: Mon, 4 Nov 2013 16:10:26 +0000 (+0100)
Subject: lib: crc32: conditionally resched when running testcases
X-Git-Tag: v3.13-rc1~105^2~71
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc0ac1999589c9f713550adde85a09b0dbb75d86;p=pandora-kernel.git

lib: crc32: conditionally resched when running testcases

Fengguang reports that when crc32 selftests are running on startup, on
some e.g. 32bit systems, we can get a CPU stall like "INFO: rcu_sched
self-detected stall on CPU { 0} (t=2101 jiffies g=4294967081 c=4294967080
q=41)". As this is not intended, add a cond_resched() at the end of a
test case to fix it. Introduced by efba721f63 ("lib: crc32: add test cases
for crc32{, c}_combine routines").

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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