Messages in this thread | | | Date | Tue, 07 Jul 2015 17:54:31 -0300 | From | Gustavo Luiz Duarte <> | Subject | Re: [PATCH] powerpc/perf/24x7: Fix lockdep warning |
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On 07/07/2015 04:37 PM, Sukadev Bhattiprolu wrote: > From 370152d9427e57cd9632b00189f71099f8e85544 Mon Sep 17 00:00:00 2001 > From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> > Date: Tue, 7 Jul 2015 12:21:10 -0400 > Subject: [PATCH 1/1] powerpc/perf/24x7: Fix lockdep warning > > The sysfs attributes for the 24x7 counters are dynamically allocated. > Initialize the attributes using sysfs_attr_init() to fix following > warning which occurs when CONFIG_DEBUG_LOCK_VMALLOC=y. > > [ 0.346249] audit: initializing netlink subsys (disabled) > [ 0.346284] audit: type=2000 audit(1436295254.340:1): initialized > [ 0.346489] BUG: key c0000000efe90198 not in .data! > [ 0.346491] DEBUG_LOCKS_WARN_ON(1) > [ 0.346502] ------------[ cut here ]------------ > [ 0.346504] WARNING: at ../kernel/locking/lockdep.c:3002 > [ 0.346506] Modules linked in: > > Reported-by: Gustavo Luiz Duarte <gustavold@linux.vnet.ibm.com> > Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Tested-by: Gustavo Luiz Duarte <gustavold@linux.vnet.ibm.com>
I verified that it fixes a BUG splat on PowerVM (tested on little endian).
[]'s Gustavo
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