From: Uros Bizjak <ubizjak@gmail.com>
To: Mikael Pettersson <mikpe@it.uu.se>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch] x86: Unneeded assignment to tsk in recent x86 change
Date: Wed, 21 Jan 2009 20:56:37 +0100 [thread overview]
Message-ID: <49777DF5.1080107@gmail.com> (raw)
In-Reply-To: <18807.7643.368198.582428@harpo.it.uu.se>
Mikael Pettersson wrote:
> > Impact: Cleanup.
> >
> > Remove unneeded assignment to tsk in recent x86 change [1].
>
>
> > @@ -795,13 +794,12 @@ asmlinkage
> > void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
> > {
> > unsigned long address;
> > - struct task_struct *tsk;
> > + struct task_struct *tsk = current;
> > struct mm_struct *mm;
> > struct vm_area_struct *vma;
> > int write;
> > int fault;
> >
> > - tsk = current;
> > mm = tsk->mm;
> > prefetchw(&mm->mmap_sem);
>
> but this is neither a fix nor IMO a cleanup (it's inconsistent with
> the other variables in that function)
>
Hm, I'm not sure I see the inconsistency here. Care to explain this
inconsistency in a couple of words?
Thanks,
Uros.
next prev parent reply other threads:[~2009-01-21 19:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-21 12:32 [patch] x86: Unneeded assignment to tsk in recent x86 change Uros Bizjak
2009-01-21 13:06 ` Mikael Pettersson
2009-01-21 19:56 ` Uros Bizjak [this message]
2009-01-21 21:13 ` Mikael Pettersson
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