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    SubjectRe: [ACPI] Re: [PATCH/RFC] exposing ACPI objects in sysfs
    On Tue, Sep 21, 2004 at 07:26:25PM +0200, Pavel Machek wrote:
    > > +struct special_cmd {
    > > + u32 magic;
    > > + unsigned int cmd;
    > > + char *args;
    > > +};
    >
    > Talk to Andi Kleen; passing such structures using read/write is evil,
    > because (unlike ioctl) there's no place to put 32/64bit
    > translation. Imagine i386 application running on x86-64 system.

    Yes, Pavel is right. Please don't pass pointers by read/write
    because it cannot be 32bit emulated.

    -Andi
    -
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