Re: [PATCH] x86: ioport_{32|64}.c unification

[Miguel Botón]

On Sunday 06 January 2008 01:47:47 Arnd Bergmann wrote:
> This #ifdef overload could probably be avoided if you just move
> the body of this function into an extra place and do
>
> static int do_iopl(unsigned int level, unsigned long *flags)
> {
>         unsigned int old = (*flags >> 12) & 3;
>       ...
>         *flags = (*flags & ~X86_EFLAGS_IOPL) | (level << 12);;
> }
>
> #ifdef CONFIG_X86_32
> asmlinkage long sys_iopl(unsigned long regsp)
> {
>       /* why is this volatle anyway? */
>       volatile struct pt_regs *regs = (struct pt_regs *)&regsp;
>       unsigned int level = regs->bx;
>       return do_iopl(regs->bx, &regs->flags);
> }
> #else
> asmlinkage long sys_iopl(unsigned int level, struct pt_regs *regs)
> {
>       return do_iopl(level, &regs->flags);
> }
> #endif
>
>       Arnd <><

I agree. I'll send the a proper patch soon.

-- 
        Miguel Botón
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