Messages in this thread | | | Date | Wed, 22 Nov 2006 14:09:20 -0500 (EST) | From | Alan Stern <> | Subject | Re: [linux-usb-devel] 2.6.19-rc5: modular USB rebuilds vmlinux? |
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On Wed, 22 Nov 2006, Randy Dunlap wrote:
> On Wed, 22 Nov 2006 21:45:55 +0300 Andrey Borzenkov wrote: > > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > I was under impression that I have fully modular USB. Still: > > > > {pts/1}% make -C ~/src/linux-git O=$HOME/build/linux-2.6.19 > > make: Entering directory `/home/bor/src/linux-git' > > GEN /home/bor/build/linux-2.6.19/Makefile > > scripts/kconfig/conf -s arch/i386/Kconfig > > Using /home/bor/src/linux-git as source for kernel > > GEN /home/bor/build/linux-2.6.19/Makefile > > CHK include/linux/version.h > > CHK include/linux/utsrelease.h > > CHK include/linux/compile.h > > CC [M] drivers/usb/core/usb.o > > CC [M] drivers/usb/core/hub.o > > CC [M] drivers/usb/core/hcd.o > > CC [M] drivers/usb/core/urb.o > > CC [M] drivers/usb/core/message.o > > CC [M] drivers/usb/core/driver.o > > CC [M] drivers/usb/core/config.o > > CC [M] drivers/usb/core/file.o > > CC [M] drivers/usb/core/buffer.o > > CC [M] drivers/usb/core/sysfs.o > > CC [M] drivers/usb/core/endpoint.o > > CC [M] drivers/usb/core/devio.o > > CC [M] drivers/usb/core/notify.o > > CC [M] drivers/usb/core/generic.o > > CC [M] drivers/usb/core/hcd-pci.o > > CC [M] drivers/usb/core/inode.o > > CC [M] drivers/usb/core/devices.o > > LD [M] drivers/usb/core/usbcore.o > > CC drivers/usb/host/pci-quirks.o > > LD drivers/usb/host/built-in.o > > > > Sorry? How comes it still compiles something into main kernel? > > It's just a quirk of the build machinery. > The built-in.o file should be 8 bytes or so, with nothing > really in it.
Not so. Randy, you missed the line for pci-quirks.o. It really is a non-trivial object file and it really goes into the main kernel.
That's because it actually is a PCI driver, living in a USB source directory. It handles the quirks needed by various PCI-based USB host controllers.
Alan Stern
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