Re: powerpc/perf/24x7: Fix lockdep warning
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2015-07-08 10:54:12
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On Tue, 2015-07-07 at 19:37:25 UTC, Sukadev Bhattiprolu wrote:
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From 370152d9427e57cd9632b00189f71099f8e85544 Mon Sep 17 00:00:00 2001From: Sukadev Bhattiprolu <redacted> 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 <redacted> Signed-off-by: Sukadev Bhattiprolu <redacted> Tested-by: Gustavo Luiz Duarte <redacted>
Applied to powerpc fixes, thanks. https://git.kernel.org/cgit/linux/kernel/git/powerpc/linux.git/commit/?h=fixes&id=442053e57a4fc58b719b6ceab60f29ef9cf4404c cheers