Re: 2.6.10-rc3-bk4 does not compile

[Zoltan NAGY]

Randy.Dunlap wrote:

> Zoltan NAGY wrote:
>
> > It fails with the following error messages:
> >
> >  CC      drivers/block/rd.o
> > drivers/block/rd.c:67: error: `CONFIG_BLK_DEV_RAM_COUNT' undeclared 
> > here (not in a function)
> > drivers/block/rd.c:68: error: `CONFIG_BLK_DEV_RAM_COUNT' undeclared 
> > here (not in a function)
> > drivers/block/rd.c:69: error: `CONFIG_BLK_DEV_RAM_COUNT' undeclared 
> > here (not in a function)
> > drivers/block/rd.c: In function `rd_cleanup':
> > drivers/block/rd.c:403: error: `CONFIG_BLK_DEV_RAM_COUNT' undeclared 
> > (first use in this function)
> > drivers/block/rd.c:403: error: (Each undeclared identifier is 
> > reported only once
> > drivers/block/rd.c:403: error: for each function it appears in.)
> > drivers/block/rd.c: In function `rd_init':
> > drivers/block/rd.c:433: error: `CONFIG_BLK_DEV_RAM_COUNT' undeclared 
> > (first use in this function)
> > drivers/block/rd.c: At top level:
> > drivers/block/rd.c:67: error: storage size of `rd_disks' isn't known
> > drivers/block/rd.c:68: error: storage size of `rd_bdev' isn't known
> > drivers/block/rd.c:69: error: storage size of `rd_queue' isn't known
> > drivers/block/rd.c:67: warning: `rd_disks' defined but not used
> > drivers/block/rd.c:68: warning: `rd_bdev' defined but not used
> > drivers/block/rd.c:69: warning: `rd_queue' defined but not used
> > make[2]: *** [drivers/block/rd.o] Error 1
> > make[1]: *** [drivers/block] Error 2
> > make: *** [drivers] Error 2
>
>
> That's weird.  rd.c #includes <config.h>, so CONFIG_BLK_DEV_RAM_COUNT
> should be there.  and it builds OK for me, as module or in-kernel.
>
> Please check that you have rc3-bk4 applied (patched) correctly
> and then send your .config file.
Ok, found it. I've tried to build that kernel for UML, and UML's 
defconfig does not contain CONFIG_BLK_DEV_RAM_COUNT...
Gerd Knorr posted a patch[1], and it should really go into 2.6.10, or 
UML wont build.

[1]: http://www.uwsg.iu.edu/hypermail/linux/kernel/0412.0/1429.html

Regards,

Zoltan NAGY,
Software Engineer


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