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update the BLK_DEV_HD help text

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Many people will see this option the first time now that it is in
drivers/block/

Make it clear that virtually noone needs it.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: rmk@arm.linux.org.uk
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Adrian Bunk 2008-07-16 20:33:47 +02:00 committed by Bartlomiej Zolnierkiewicz
parent 453ea3ed0b
commit f327c1c33f
1 changed files with 5 additions and 17 deletions
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22
drivers/block/Kconfig
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@ -434,27 +434,15 @@ config VIRTIO_BLK
lguest or QEMU based VMMs (like KVM or Xen). Say Y or M. lguest or QEMU based VMMs (like KVM or Xen). Say Y or M.
config BLK_DEV_HD config BLK_DEV_HD
bool "Old hard disk (MFM/RLL/IDE) driver" bool "Very old hard disk (MFM/RLL/IDE) driver"
depends on HAVE_IDE depends on HAVE_IDE
depends on !ARM || ARCH_RPC || ARCH_SHARK || BROKEN depends on !ARM || ARCH_RPC || ARCH_SHARK || BROKEN
help help
There are two drivers for MFM/RLL/IDE hard disks. Most people use This is a very old hard disk driver that lacks the enhanced
the newer enhanced driver, but this old one is still around for two functionality of the newer ones.
reasons. Some older systems have strange timing problems and seem to
work only with the old driver (which itself does not work with some
newer systems). The other reason is that the old driver is smaller,
since it lacks the enhanced functionality of the new one. This makes
it a good choice for systems with very tight memory restrictions, or
for systems with only older MFM/RLL/ESDI drives. Choosing the old
driver can save 13 KB or so of kernel memory.
If you want to use this driver together with the new one you have It is required for systems with ancient MFM/RLL/ESDI drives.
to use "hda=noprobe hdb=noprobe" kernel parameters to prevent the new
driver from probing the primary interface.
If you are unsure, then just choose the Enhanced IDE/MFM/RLL driver If unsure, say N.
instead of this one. For more detailed information, read the
Disk-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
endif # BLK_DEV endif # BLK_DEV