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

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Message-ID: <CA+icZUVtM2oOji-MuTc04ZqJ1Hv0OMBTqoOpzi25hMZyg2mB+g@mail.gmail.com>
Date:	Wed, 2 Mar 2016 17:08:57 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Peter Zijlstra <peterz@...radead.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, Steven Rostedt <rostedt@...dmis.org> wrote:
>
> [ Resend with reply all, instead of just "reply" ]
>
> On Wed, 2 Mar 2016 16:53:36 +0100
> Sedat Dilek <sedat.dilek@...il.com> wrote:
>
>> ffffffff8110f3f0 <del_timer>:
>> ffffffff8110f3f0:	55                   	push   %rbp
>> ffffffff8110f3f1:	48 89 e5             	mov    %rsp,%rbp
>> ffffffff8110f3f4:	41 57                	push   %r15
>> ffffffff8110f3f6:	41 56                	push   %r14
>> ffffffff8110f3f8:	53                   	push   %rbx
>> ffffffff8110f3f9:	50                   	push   %rax
>> ffffffff8110f3fa:	48 89 fb             	mov    %rdi,%rbx
>> ffffffff8110f3fd:	e8 ee 6f 80 00       	callq  ffffffff819163f0 <mcount>
>> ffffffff8110f402:	e8 e9 6f 80 00       	callq  ffffffff819163f0 <mcount>
>> ffffffff8110f407:	e8 e4 6f 80 00       	callq  ffffffff819163f0 <mcount>
>> ffffffff8110f40c:	e8 df 6f 80 00       	callq  ffffffff819163f0 <mcount>
>
> What is this about?
>

Dunno.

Not sure if this is relevant or not...

[ LINUX-CONFIG ]

$ ./scripts/diffconfig /boot/config-4.4.3-3-iniza-small
/boot/config-4.4.3-3-llvmlinux-amd64
 ARCH_HWEIGHT_CFLAGS "-fcall-saved-rdi -fcall-saved-rsi
-fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9
-fcall-saved-r10 -fcall-saved-r11" -> ""

...and my patchset on top of Linux v4.4.3 is attached.

- Sedat -

Download attachment "config-4.4.3-3-llvmlinux-amd64" of type "application/octet-stream" (129848 bytes)