Re: (*(unsigned long *)&jiffies)++;

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tigran@sco.COM (Tigran Aivazian) writes:

> Why does do_timer() do:
>
> (*(unsigned long *)&jiffies)++;
>
> why not just jiffies++; ? It works fine with jiffies++ but I assume there
> is a reason...

It casts away the volatileness of `jiffies'. This means that GCC uses
`incl' instead of an explicit read/increment/write operation.

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