On 2/19/20 7:56 PM, Jason Wang wrote: > This patch factors out IOTLB into a dedicated module in order to be > reused by other modules like vringh. User may choose to enable the > automatic retiring by specifying VHOST_IOTLB_FLAG_RETIRE flag to fit > for the case of vhost device IOTLB implementation. > > Signed-off-by: Jason Wang <[email protected]> > --- > MAINTAINERS | 1 + > drivers/vhost/Kconfig | 7 ++ > drivers/vhost/Makefile | 2 + > drivers/vhost/net.c | 2 +- > drivers/vhost/vhost.c | 221 +++++++++++------------------------- > drivers/vhost/vhost.h | 36 ++---- > drivers/vhost/vhost_iotlb.c | 171 ++++++++++++++++++++++++++++ > include/linux/vhost_iotlb.h | 45 ++++++++ > 8 files changed, 304 insertions(+), 181 deletions(-) > create mode 100644 drivers/vhost/vhost_iotlb.c > create mode 100644 include/linux/vhost_iotlb.h >
Hi, Sorry if you have gone over this previously: > diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig > index 3d03ccbd1adc..eef634ff9a6e 100644 > --- a/drivers/vhost/Kconfig > +++ b/drivers/vhost/Kconfig > @@ -36,6 +36,7 @@ config VHOST_VSOCK > > config VHOST > tristate > + select VHOST_IOTLB > ---help--- > This option is selected by any driver which needs to access > the core of vhost. > @@ -54,3 +55,9 @@ config VHOST_CROSS_ENDIAN_LEGACY > adds some overhead, it is disabled by default. > > If unsure, say "N". > + > +config VHOST_IOTLB > + tristate > + default m "default m" should not be needed. Just make whatever needs it select it. > + help > + Generic IOTLB implementation for vhost and vringh. -- ~Randy _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
