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Date: Thu, 22 Jan 2015 10:55:48 +0900 From: Joonsoo Kim <iamjoonsoo.kim@....com> To: Huang Ying <ying.huang@...el.com> Cc: Stephen Rothwell <sfr@...b.auug.org.au>, LKML <linux-kernel@...r.kernel.org>, LKP ML <lkp@...org> Subject: Re: [LKP] [mm/slub] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1 On Wed, Jan 21, 2015 at 12:38:35PM +0800, Huang Ying wrote: > FYI, we noticed the below changes on > > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > commit d2dc80750ee05ceb03c9b13b0531a782116d1ade ("mm/slub: optimize alloc/free fastpath by removing preemption on/off") > > > +-------------------------------------------------------------+------------+------------+ > | | 8e32336269 | d2dc80750e | > +-------------------------------------------------------------+------------+------------+ > | boot_successes | 8 | 4 | > | boot_failures | 2 | 16 | > | WARNING:at_net/netlink/genetlink.c:#genl_unbind() | 2 | 5 | > | backtrace:do_group_exit | 2 | 5 | > | backtrace:SyS_exit_group | 2 | 5 | > | BUG:using_smp_processor_id()in_preemptible[#]code:swapper | 0 | 6 | > | backtrace:getname_kernel | 0 | 6 | > | backtrace:run_init_process | 0 | 6 | > | backtrace:do_execve | 0 | 6 | > | BUG:using_smp_processor_id()in_preemptible[#]code:init | 0 | 1 | > | backtrace:vfs_stat | 0 | 1 | > | backtrace:SyS_stat64 | 0 | 1 | > | BUG:using_smp_processor_id()in_preemptible[#]code:kdevtmpfs | 0 | 5 | > | backtrace:devtmpfsd | 0 | 5 | > | backtrace:security_inode_alloc | 0 | 5 | > | backtrace:inode_init_always | 0 | 5 | > +-------------------------------------------------------------+------------+------------+ > Hello, I already sent the patch to fix the problem. https://lkml.org/lkml/2015/1/19/17 Thanks for reporting. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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