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From: Yinghai Lu <yinghai@kernel.org>
To: Feng Tang <feng.tang@intel.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Steven Rostedt <rostedt@goodmis.org>, Avi Kivity <avi@redhat.com>,
	Steven Rostedt <srostedt@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>,
	linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: [PATCH 1/2] PCI: Use local parameter pci_device_id for pci_get_subsys/class()
Date: Sat, 8 Sep 2012 11:40:52 -0700	[thread overview]
Message-ID: <CAE9FiQU1MxyRvYapi35j5_N7Ob7rnPTYNcvDbMYcSy9VNmaz=g@mail.gmail.com> (raw)
In-Reply-To: <20120908233455.0d0527b3@feng-i7>

On Sat, Sep 8, 2012 at 8:34 AM, Feng Tang <feng.tang@intel.com> wrote:
>> This makes lspci work again on my side. The caveat is, kzalloc() will
>> zero out all data while the new local variable leaves some data
>> uninitialized.
>
> Yes, thanks for the quick root cause and fix to the bug in my code.

Can you resubmit your patch with two extra "memset" line?

Thanks

Yinghai

  reply	other threads:[~2012-09-08 18:40 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-24  9:03 __update_max_tr: rcu_read_lock() used illegally while idle! Fengguang Wu
2012-07-24  9:07 ` Testing tracer wakeup_rt: .. no entries found ..FAILED! Fengguang Wu
2012-07-25  1:31   ` Testing tracer wakeup: " Fengguang Wu
2012-07-30 15:45   ` Testing tracer wakeup_rt: " Steven Rostedt
2012-07-31 12:17     ` Fengguang Wu
2012-07-31 12:37       ` Avi Kivity
2012-07-31 12:43         ` Steven Rostedt
2012-07-31 12:50           ` Avi Kivity
2012-07-31 13:13             ` Steven Rostedt
2012-07-31 23:43               ` Fengguang Wu
2012-07-31 23:51                 ` Steven Rostedt
2012-07-31 23:57                   ` Paul E. McKenney
2012-08-01  0:09                     ` Steven Rostedt
2012-08-01  0:18                       ` Paul E. McKenney
2012-08-01  0:43                         ` pci_get_subsys: GFP_KERNEL allocations with IRQs disabled Fengguang Wu
2012-08-22  2:50                           ` Fengguang Wu
2012-08-22  7:49                             ` Feng Tang
2012-08-22 13:02                               ` Fengguang Wu
2012-08-22 18:02                               ` Bjorn Helgaas
2012-08-23  5:45                                 ` Feng Tang
2012-08-23  7:45                                 ` [PATCH 1/2] PCI: Use local parameter pci_device_id for pci_get_subsys/class() Feng Tang
2012-09-08  1:00                                   ` Yinghai Lu
2012-09-08  1:32                                     ` Yinghai Lu
2012-09-08  1:59                                       ` Greg Kroah-Hartman
2012-09-08 13:42                                       ` Fengguang Wu
2012-09-08 15:30                                         ` Yinghai Lu
2012-09-08 15:34                                         ` Feng Tang
2012-09-08 18:40                                           ` Yinghai Lu [this message]
2012-09-08 21:06                                             ` Bjorn Helgaas
2012-08-23  7:45                                 ` [PATCH 2/2] PCI: Remove the obsolete no_pci_devices() check Feng Tang
2012-07-31 23:57                   ` Testing tracer wakeup_rt: .. no entries found ..FAILED! Fengguang Wu
2012-08-07 13:29                     ` Steven Rostedt
2012-08-07 13:32                       ` Fengguang Wu
2012-08-21 15:16     ` [tip:perf/core] tracing: Fix wakeup_rt self test on virtual machines tip-bot for Steven Rostedt
2012-07-30 15:39 ` __update_max_tr: rcu_read_lock() used illegally while idle! Steven Rostedt
2012-07-31 12:05   ` Fengguang Wu
2012-07-31 12:10     ` Fengguang Wu
2012-07-31 13:44       ` Steven Rostedt
2012-07-31 14:41         ` Paul E. McKenney
2012-07-31 13:33     ` Steven Rostedt
2012-07-31 14:44       ` Paul E. McKenney
2012-07-31 14:51         ` Steven Rostedt
2012-07-31 14:56           ` Steven Rostedt
2012-07-31 15:18             ` Paul E. McKenney
2012-07-31 15:45               ` Steven Rostedt
2012-07-31 17:17                 ` Paul E. McKenney
2012-07-31 17:24                   ` Steven Rostedt
2012-07-31 17:44                     ` Paul E. McKenney
2012-07-31 18:06                       ` Steven Rostedt
2012-07-31 18:21                         ` Paul E. McKenney
2012-07-31 15:00           ` Paul E. McKenney

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