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    SubjectRe: Fwd: Patch to control VGA bus routing and active VGA device.
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    On Gwe, 2005-01-28 at 20:00, Matthew Wilcox wrote:
    > Possibly a better solution (less likely to break things) would be to allow
    > drivers to reserve the 10-bit aliases too. Something like this:
    >
    > static inline void request_isa_alias_regions(unsigned long start,
    > unsigned long n, const char *name)
    > {
    > int base;
    > for (base = 0x400; base < 0x10000; base += 0x400) {
    > request_region(base + start, n, name);
    > }
    > }
    >
    > and then call that in drivers/video/console/vgacon.c

    Almost every x86 I/O device in ISA space has this problem so it would be
    better if request_region learned to take a decode mask instead of adding
    another 500 entries

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