[uml-devel] UML and SCSI

[Boaz Harrosh <bharrosh@panasas.com>]

I have searched the archives and seen some old posts about SCSI not 
compiling with UML. Since than I have seen some post on the net of the 
like http://lkml.org/lkml/2006/9/12/200. (which does not apply but the 
Idea is clear and can be done by hand).
Now when carefully configured I can compile the SCSI and iSCSI layers.

[Q] I have worked on below patch but now SCSI is on by default. (As in 
the regular kernel). Is there a way to include the original Kconfig from 
drivers/scsi but override it's defaultness?

[Q2] Are there more deeper implication than meet the eye, why SCSI-iSCSI 
cannot run in a UML? It might have good performance 2.

<um_2.6.19-rc1_Kconfig.patch>

diff -Nup /tmp/tmp.19763.0 
/home/bharrosh/p4.local/pub/linux-2.6.19-rc1/arch/um/Kconfig -L 
a/arch/um/Kconfig -L b/arch/um/Kconfig
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -285,21 +285,7 @@ source "crypto/Kconfig"

 source "lib/Kconfig"

-menu "SCSI support"
-depends on BROKEN
-
-config SCSI
-       tristate "SCSI support"
-
-# This gives us free_dma, which scsi.c wants.
-config GENERIC_ISA_DMA
-       bool
-       depends on SCSI
-       default y
-
-source "arch/um/Kconfig.scsi"
-
-endmenu
+source "drivers/scsi/Kconfig"

 source "drivers/md/Kconfig"

</um_2.6.19-rc1_Kconfig.patch>


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