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Arnd Bergmann
b8ae30a702
With the new CONFIG_CC_OPTIMIZE_FOR_DEBUGGING option, we get a link error in the vboxguest driver, when that fails to optimize out the call to the compat handler: drivers/virt/vboxguest/vboxguest_core.o: In function `vbg_ioctl_hgcm_call': vboxguest_core.c:(.text+0x1f6e): undefined reference to `vbg_hgcm_call32' Another compile-time check documents better what we want and avoids the error. Acked-by: Randy Dunlap <[email protected]> Tested-by: Randy Dunlap <[email protected]> Signed-off-by: Arnd Bergmann <[email protected]> Reviewed-by: Hans de Goede <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>