Re: [PATCH] kcov: refactor common handle ID into kcov_common_handle_id

[Greg KH]

On Thu, Apr 30, 2026 at 04:15:33PM +0200, Jann Horn wrote:
> Store common handle IDs in "struct kcov_common_handle_id", which consumes
> no space in non-KCOV builds.
> This cleanup removes #ifdef boilerplate code from subsystems that
> integrate with KCOV (in particular in usbip_common.h and skbuff.h, see the
> diffstat).
> This should also make it easier to add KCOV remote coverage to more
> subsystems in the future.
> 
> Signed-off-by: Jann Horn <jannh@xxxxxxxxxx>
> ---
>  drivers/usb/usbip/usbip_common.h | 29 +----------------------------
>  drivers/usb/usbip/vhci_rx.c      |  4 ++--
>  drivers/usb/usbip/vhci_sysfs.c   |  2 +-
>  drivers/vhost/vhost.h            |  2 +-
>  include/linux/kcov.h             | 12 ++++++------
>  include/linux/skbuff.h           | 14 +++-----------
>  include/linux/types.h            |  6 ++++++
>  kernel/kcov.c                    |  6 +++---
>  8 files changed, 23 insertions(+), 52 deletions(-)

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>