Date: Wed, 20 Mar 2013 05:49:10 +0000 (UTC) From: Bryan Venteicher <bryanv@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r248544 - in stable/9/sys: amd64/conf conf i386/conf Message-ID: <201303200549.r2K5nAWq002370@svn.freebsd.org>
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Author: bryanv Date: Wed Mar 20 05:49:09 2013 New Revision: 248544 URL: http://svnweb.freebsd.org/changeset/base/248544 Log: MFC 247870: Remove the virtio dependency entry for the VirtIO device drivers. This will prevent the kernel from linking if the device driver are included without the virtio module. Remove pci and scbus for the same reason. Also explain the relationship and necessity of the virtio and virtio_pci modules. Currently in FreeBSD, we only support VirtIO PCI, but it could be replaced with a different interface (like MMIO) and the device (network, block, etc) will still function. Approved by: grehan (mentor) Modified: stable/9/sys/amd64/conf/NOTES stable/9/sys/conf/files.amd64 stable/9/sys/conf/files.i386 stable/9/sys/i386/conf/NOTES Directory Properties: stable/9/sys/ (props changed) stable/9/sys/conf/ (props changed) Modified: stable/9/sys/amd64/conf/NOTES ============================================================================== --- stable/9/sys/amd64/conf/NOTES Wed Mar 20 05:44:03 2013 (r248543) +++ stable/9/sys/amd64/conf/NOTES Wed Mar 20 05:49:09 2013 (r248544) @@ -442,6 +442,13 @@ options SAFE_RNDTEST # enable rndtest s # # VirtIO support +# +# The virtio entry provides a generic bus for use by the device drivers. +# It must be combined with an interface that communicates with the host. +# Multiple such interfaces defined by the VirtIO specification. FreeBSD +# only has support for PCI. Therefore, virtio_pci must be statically +# compiled in or loaded as a module for the device drivers to function. +# device virtio # Generic VirtIO bus (required) device virtio_pci # VirtIO PCI Interface device vtnet # VirtIO Ethernet device Modified: stable/9/sys/conf/files.amd64 ============================================================================== --- stable/9/sys/conf/files.amd64 Wed Mar 20 05:44:03 2013 (r248543) +++ stable/9/sys/conf/files.amd64 Wed Mar 20 05:49:09 2013 (r248544) @@ -385,11 +385,11 @@ dev/virtio/virtio.c optional virtio dev/virtio/virtqueue.c optional virtio dev/virtio/virtio_bus_if.m optional virtio dev/virtio/virtio_if.m optional virtio -dev/virtio/pci/virtio_pci.c optional virtio_pci virtio pci -dev/virtio/network/if_vtnet.c optional vtnet virtio -dev/virtio/block/virtio_blk.c optional virtio_blk virtio -dev/virtio/balloon/virtio_balloon.c optional virtio_balloon virtio -dev/virtio/scsi/virtio_scsi.c optional virtio_scsi virtio scbus +dev/virtio/pci/virtio_pci.c optional virtio_pci +dev/virtio/network/if_vtnet.c optional vtnet +dev/virtio/block/virtio_blk.c optional virtio_blk +dev/virtio/balloon/virtio_balloon.c optional virtio_balloon +dev/virtio/scsi/virtio_scsi.c optional virtio_scsi isa/syscons_isa.c optional sc isa/vga_isa.c optional vga kern/kern_clocksource.c standard Modified: stable/9/sys/conf/files.i386 ============================================================================== --- stable/9/sys/conf/files.i386 Wed Mar 20 05:44:03 2013 (r248543) +++ stable/9/sys/conf/files.i386 Wed Mar 20 05:49:09 2013 (r248544) @@ -363,11 +363,11 @@ dev/virtio/virtio.c optional virtio dev/virtio/virtqueue.c optional virtio dev/virtio/virtio_bus_if.m optional virtio dev/virtio/virtio_if.m optional virtio -dev/virtio/pci/virtio_pci.c optional virtio_pci virtio pci -dev/virtio/network/if_vtnet.c optional vtnet virtio -dev/virtio/block/virtio_blk.c optional virtio_blk virtio -dev/virtio/balloon/virtio_balloon.c optional virtio_balloon virtio -dev/virtio/scsi/virtio_scsi.c optional virtio_scsi virtio scbus +dev/virtio/pci/virtio_pci.c optional virtio_pci +dev/virtio/network/if_vtnet.c optional vtnet +dev/virtio/block/virtio_blk.c optional virtio_blk +dev/virtio/balloon/virtio_balloon.c optional virtio_balloon +dev/virtio/scsi/virtio_scsi.c optional virtio_scsi i386/acpica/acpi_machdep.c optional acpi acpi_wakecode.o optional acpi \ dependency "$S/i386/acpica/acpi_wakecode.S assym.s" \ Modified: stable/9/sys/i386/conf/NOTES ============================================================================== --- stable/9/sys/i386/conf/NOTES Wed Mar 20 05:44:03 2013 (r248543) +++ stable/9/sys/i386/conf/NOTES Wed Mar 20 05:49:09 2013 (r248544) @@ -773,6 +773,13 @@ device glxsb # AMD Geode LX Security B # # VirtIO support +# +# The virtio entry provides a generic bus for use by the device drivers. +# It must be combined with an interface that communicates with the host. +# Multiple such interfaces defined by the VirtIO specification. FreeBSD +# only has support for PCI. Therefore, virtio_pci must be statically +# compiled in or loaded as a module for the device drivers to function. +# device virtio # Generic VirtIO bus (required) device virtio_pci # VirtIO PCI Interface device vtnet # VirtIO Ethernet device
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