Re: Linux 2.4.21-rc1

From: Jerome Chantelauze (jchantelauze@free.fr)
Date: Wed Apr 23 2003 - 03:08:58 EST

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On Mon, Apr 21, 2003 at 03:47:32PM -0300, Marcelo Tosatti wrote:
>
> Here goes the first candidate for 2.4.21.
>
> Please test it extensively.

drivers/ide/Makefile seems broken on 2.4.21-rc1 (it was OK on 2.4.20,
and not on 2.4.21-pre6 and 2.4.21-pre7).

I try to build a kernel with Old hard disk (MFM/RLL/IDE) support only
(and without Enhanced IDE/MFM/RLL disk/cdrom/tape/floppy support).

Here is my .config:

#
# ATA/IDE/MFM/RLL support
#
CONFIG_IDE=y

#
# IDE, ATA and ATAPI Block devices
#
# CONFIG_BLK_DEV_IDE is not set
CONFIG_BLK_DEV_HD_ONLY=y
CONFIG_BLK_DEV_HD=y
CONFIG_IDEDMA_AUTO=y
# CONFIG_IDEDMA_IVB is not set
# CONFIG_DMA_NONPCI is not set
CONFIG_BLK_DEV_PDC202XX=y
CONFIG_BLK_DEV_IDE_MODES=y
# CONFIG_BLK_DEV_ATARAID is not set
# CONFIG_BLK_DEV_ATARAID_PDC is not set
# CONFIG_BLK_DEV_ATARAID_HPT is not set
# CONFIG_BLK_DEV_ATARAID_SII is not set

The resulting kernel has no support for ide hard disks:

# ls -l drivers/ide/*.o
-rw-r--r-- 1 root root 8 apr 23 08:56 drivers/ide/idedriver.o
#

The following patch fixes the problem for the x86 arch (sorry, I have no
access to other archs).

*** linux-2.4.21-rc1/drivers/ide/Makefile.orig Wed Apr 23 08:45:48 2003
--- linux-2.4.21-rc1/drivers/ide/Makefile Wed Apr 23 09:20:14 2003
***************
*** 21,26 ****
--- 21,28 ----

  subdir-$(CONFIG_BLK_DEV_IDE) += legacy ppc arm raid pci

+ subdir-$(CONFIG_BLK_DEV_HD_ONLY) += legacy
+
  # First come modules that register themselves with the core

  ifeq ($(CONFIG_BLK_DEV_IDE),y)
***************
*** 50,55 ****
--- 52,60 ----
    obj-y += arm/idedriver-arm.o
  endif

+ ifeq ($(CONFIG_BLK_DEV_HD_ONLY),y)
+ obj-y += legacy/idedriver-legacy.o
+ endif

  ifeq ($(CONFIG_BLK_DEV_IDE),y)
  # RAID must be last of all

The kernel was built on a x86 computer running a debian woody (gcc
2.95.4 and glibc 2.2.5).

Regards

--
Jerome Chantelauze
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