Re: Use of floppy disks and parallel ATA on amd64

Jason Thorpe <[email protected]> Mon, 14 Oct 2024 12:53:59 -0700
Newsgroups gmane.os.netbsd.ports.x86-64
Message-ID <[email protected]>
> On Oct 14, 2024, at 11:45=E2=80=AFAM, Thor Lancelot Simon =
<[email protected]> wrote:
>=20
> I would like to remove ISA floppy disk support (the ACPI attachment =
for
> 'fdc'; the ISA attachment is already commented out) from amd64 =
GENERIC.
>=20
> I would also like to disable support for old parallel ATA drives =
(those
> not supporting 48-bit LBA mode, and thus limited to 128K -1 block =
transfers).
>=20
> I'd like to do this to allow us to increase MAXPHYS to 128K or more in =
amd64
> GENERIC, improving I/O throughput.

This is a crutch, at best.  It=E2=80=99s a little annoying that the =
correct fix has been on indefinite hiatus for the better half of two =
decades.=20

-- thorpej