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Groups > linux.kernel > #1351897

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

From Steven Rostedt <rostedt@goodmis.org>
Newsgroups linux.kernel
Subject Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning
Date 2016-03-07 20:20 +0100
Message-ID <ra8Rb-702-1@gated-at.bofh.it> (permalink)
References (1 earlier) <ra6w3-5kV-21@gated-at.bofh.it> <ra6Z4-5LX-27@gated-at.bofh.it> <ra78L-5Qh-31@gated-at.bofh.it> <ra7iq-5Vi-19@gated-at.bofh.it> <ra7Ls-6kn-13@gated-at.bofh.it>
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On Mon, 7 Mar 2016 10:04:21 -0800
Andy Lutomirski <luto@amacapital.net> wrote:


> > Exactly. The compiler may get away with this in userspace (maybe), but
> > for the kernel, it is definitely a show stopper. Especially if it knows
> > that an asm() may be called.  
> 
> It's broken for user code that fiddles with AC, too.

Which is why I added the "(maybe)" ;-)

-- Steve

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Thread

Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Sedat Dilek <sedat.dilek@gmail.com> - 2016-03-07 17:00 +0100
  Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Sedat Dilek <sedat.dilek@gmail.com> - 2016-03-07 17:30 +0100
  Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Alan Stern <stern@rowland.harvard.edu> - 2016-03-07 17:50 +0100
    Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Jiri Kosina <jikos@kernel.org> - 2016-03-07 18:10 +0100
      Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Sedat Dilek <sedat.dilek@gmail.com> - 2016-03-07 18:20 +0100
        RE: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning David Laight <David.Laight@ACULAB.COM> - 2016-03-07 18:40 +0100
          RE: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Alan Stern <stern@rowland.harvard.edu> - 2016-03-07 19:10 +0100
            Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Linus Torvalds <torvalds@linux-foundation.org> - 2016-03-07 19:40 +0100
    Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Steven Rostedt <rostedt@goodmis.org> - 2016-03-07 18:10 +0100
    Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Steven Rostedt <rostedt@goodmis.org> - 2016-03-07 18:20 +0100
    Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Sedat Dilek <sedat.dilek@gmail.com> - 2016-03-07 18:20 +0100
      Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Jiri Kosina <jikos@kernel.org> - 2016-03-07 18:30 +0100
        Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Steven Rostedt <rostedt@goodmis.org> - 2016-03-07 18:40 +0100
          Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Andy Lutomirski <luto@amacapital.net> - 2016-03-07 19:10 +0100
            Re: [PATCH] usbhid: Fix lockdep unannotated irqs-off warning Steven Rostedt <rostedt@goodmis.org> - 2016-03-07 20:20 +0100

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