Thinning out GENERIC
Sean Bruno
sbruno at freebsd.org
Fri Feb 17 18:43:47 UTC 2017
On 02/13/17 11:33, John Baldwin wrote:
> On Monday, February 13, 2017 10:51:36 AM Warner Losh wrote:
>> [[ It isn't just GENERIC, it's in every single kernel ]]
>>
>> On Sun, Feb 12, 2017 at 7:59 AM, Sean Bruno <sbruno at freebsd.org> wrote:
>>> Index: sys/conf/files
>>> ===================================================================
>>> --- sys/conf/files (revision 313683)
>>> +++ sys/conf/files (working copy)
>>> @@ -2419,7 +2419,7 @@
>>> dev/pci/pci_user.c optional pci
>>> dev/pci/pcib_if.m standard
>>> dev/pci/pcib_support.c standard
>>> -dev/pci/vga_pci.c optional pci
>>> +#dev/pci/vga_pci.c optional pci
>>> dev/pcn/if_pcn.c optional pcn pci
>>> dev/pdq/if_fea.c optional fea eisa
>>> dev/pdq/if_fpa.c optional fpa pci
>>>
>>> I'm playing around with small x86 builds and wanted to come up with a
>>> knob that disables the vga_pci driver. Obviously I still want pci(4) to
>>> be enabled, but I definitely do not need the vga interfaces for
>>> anything. Any suggestions?
>>
>> You could make it dependent on vt or sc as well as pci, no?
>
> This is a fairly small driver:
>
> 6139 340 8 6487 0x1957 /usr/obj/usr/src/sys/GENERIC
> /vga_pci.o
>
> (From an 11.0-stable build)
>
> device ppc and friends is a lot more for example:
>
> text data bss dec hex filename
> 6238 0 0 6238 0x185e /usr/obj/usr/src/sys/GENERIC/ppb_1284.o
> 1675 28 0 1703 0x6a7 /usr/obj/usr/src/sys/GENERIC/ppb_base.o
> 2042 0 0 2042 0x7fa /usr/obj/usr/src/sys/GENERIC/ppb_msq.o
> 6025 296 8 6329 0x18b9 /usr/obj/usr/src/sys/GENERIC/ppbconf.o
> 0 168 0 168 0xa8 /usr/obj/usr/src/sys/GENERIC/ppbus_if.o
> 9099 36 0 9135 0x23af /usr/obj/usr/src/sys/GENERIC/ppc.o
> 495 256 0 751 0x2ef /usr/obj/usr/src/sys/GENERIC/ppc_acpi.o
> 1671 256 0 1927 0x787 /usr/obj/usr/src/sys/GENERIC/ppc_isa.o
> 1124 208 0 1332 0x534 /usr/obj/usr/src/sys/GENERIC/ppc_pci.o
> 451 208 0 659 0x293 /usr/obj/usr/src/sys/GENERIC/ppc_puc.o
> 2751 428 8 3187 0xc73 /usr/obj/usr/src/sys/GENERIC/ppi.o
>
> It is needed for drm.
>
Ok, so ... make it dependant on drm, vt, sc and pci?
sean
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 618 bytes
Desc: OpenPGP digital signature
URL: <http://lists.freebsd.org/pipermail/freebsd-arch/attachments/20170217/2b9bc132/attachment.sig>
More information about the freebsd-arch
mailing list