linux-kernel - Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning

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Message-ID: <CA+icZUWvduot+7Tnm9w8ETj-dzEs=7Mp1ZchLcK5TDYBNmPFXQ@mail.gmail.com>
Date:	Wed, 2 Mar 2016 16:53:36 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Jiri Kosina <jikos@...nel.org>, Tejun Heo <tj@...nel.org>,
	Lai Jiangshan <jiangshanlai@...il.com>,
	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Andy Lutomirski <luto@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-usb@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Felipe Balbi <balbi@...com>, Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning

On 3/2/16, Peter Zijlstra <peterz@...radead.org> wrote:
> On Wed, Mar 02, 2016 at 04:00:49PM +0100, Sedat Dilek wrote:
>> >
>> > Right, most odd. Sedat, could you provide objdump -D of the relevant
>> > sections of vmlinux ?
>> >
>>
>> Can you give some clear instructions - for what shall I look for in
>> special?
>
> objdump -D vmlinux | awk '/<[^>]*>:$/ { p=0; } /<del_timer_sync>:/ { p=1; }
> { if (p) print $0; }'
>
> might be a good start, esp. if the output differs between the LLVM and
> GCC cases (+- address muck).
>

Here the most relevant objdumps as single files.

- Sedat -

View attachment "objdump-D_vmlinux_cancel_work_sync.txt" of type "text/plain" (834 bytes)

View attachment "objdump-D_vmlinux___cancel_work_timer.txt" of type "text/plain" (10394 bytes)

View attachment "objdump-D_vmlinux_del_timer.txt" of type "text/plain" (3518 bytes)

View attachment "objdump-D_vmlinux_del_timer_sync.txt" of type "text/plain" (4898 bytes)

View attachment "objdump-D_vmlinux_flush_work.txt" of type "text/plain" (2299 bytes)

View attachment "objdump-D_vmlinux_start_flush_work.txt" of type "text/plain" (10324 bytes)

View attachment "objdump-D_vmlinux_try_to_del_timer_sync.txt" of type "text/plain" (3533 bytes)

View attachment "objdump-D_vmlinux_try_to_grab_pending.txt" of type "text/plain" (15136 bytes)