Re: [PATCH v2] misc: vmw_zerocopy: Add VMware zero-copy buffer sharing driver

[Greg KH]

On Thu, Jun 18, 2026 at 11:10:34AM -0700, Rishi Chhibber wrote:
> --- /dev/null
> +++ b/drivers/misc/vmw_zerocopy/Makefile
> @@ -0,0 +1,15 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +#
> +# Makefile for the VMware Zero Copy Virtual Device driver
> +#
> +
> +# "make M=drivers/misc/vmw_zerocopy modules" sets KBUILD_EXTMOD and skips
> +# syncconfig, so include/config/auto.conf may not list new CONFIG_* symbols
> +# even when they are present in .config - then obj-$(CONFIG_...) adds nothing.
> +ifneq ($(KBUILD_EXTMOD),)
> +obj-m += vmw_zerocopy.o
> +else
> +obj-$(CONFIG_VMW_ZC) += vmw_zerocopy.o
> +endif

I don't think you still need this "build out of tree" logic anymore,
right?

thanks,

greg k-h