Subject: Re: how to avoid re-ordering?
To: None <thorpej@wasabisystems.com>
From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
List: tech-kern
Date: 12/17/2001 05:19:59
From: Jason R Thorpe <thorpej@wasabisystems.com>
> > From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
> > > I noticed that spl*/splx are inlined and re-orderd
> > > with "-O3 -march=pentium", and it produce bad codes as a result.
> > > I actually experienced panics due to this.
> >
> > I'll commit attached patch some days later if no objection.
> > thanks.
>
> Should't we just declare "cpl" as __volatile?
cpl is already volatile, isn't it?
am I missing something important?
---
YAMAMOTO Takashi<yamt@mwd.biglobe.ne.jp>