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    SubjectRe: [PATCH v5 3.1.0-rc4-tip 13/26] x86: define a x86 specific exception notifier.
    * Peter Zijlstra <peterz@infradead.org> [2011-09-26 16:19:51]:

    > On Tue, 2011-09-20 at 17:32 +0530, Srikar Dronamraju wrote:
    > > @@ -820,6 +821,19 @@ do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags)
    > > mce_notify_process();
    > > #endif /* CONFIG_X86_64 && CONFIG_X86_MCE */
    > >
    > > + if (thread_info_flags & _TIF_UPROBE) {
    > > + clear_thread_flag(TIF_UPROBE);
    > > +#ifdef CONFIG_X86_32
    > > + /*
    > > + * On x86_32, do_notify_resume() gets called with
    > > + * interrupts disabled. Hence enable interrupts if they
    > > + * are still disabled.
    > > + */
    > > + local_irq_enable();
    > > +#endif
    > > + uprobe_notify_resume(regs);
    > > + }
    > > +
    > > /* deal with pending signal delivery */
    > > if (thread_info_flags & _TIF_SIGPENDING)
    > > do_signal(regs);
    >
    > It would be good to remove this difference between i386 and x86_64.


    I think, we have already discussed this. I tried getting to know why we
    have this difference in behaviour. However I havent been able to find
    the answer.

    If you can get somebody to answer this, I would be happy to modify as
    required.

    --
    Thanks and Regards
    Srikar


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