Date: Fri, 17 Feb 2017 12:54:29 -0700 From: Sean Bruno <sbruno@freebsd.org> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-arch@freebsd.org, Warner Losh <imp@bsdimp.com> Subject: Re: Thinning out GENERIC Message-ID: <ff6d9a9d-36f2-459f-78c5-a7269c2caae9@freebsd.org> In-Reply-To: <1907688.dXvDEfTesD@ralph.baldwin.cx> References: <34e4e9bd-c7a8-e3e2-4cef-98a691ea7944@freebsd.org> <2553875.ilSvFZYQZ6@ralph.baldwin.cx> <bf4931ec-2c05-2b90-8bc6-affac684bd23@freebsd.org> <1907688.dXvDEfTesD@ralph.baldwin.cx>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --gVlRJn8fEbCSXRWHAvVis5TjnfVGoMNN0 Content-Type: multipart/mixed; boundary="1gh5NKWQ4EsCTklft8sNmaAWbXrf9Agne"; protected-headers="v1" From: Sean Bruno <sbruno@freebsd.org> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-arch@freebsd.org, Warner Losh <imp@bsdimp.com> Message-ID: <ff6d9a9d-36f2-459f-78c5-a7269c2caae9@freebsd.org> Subject: Re: Thinning out GENERIC References: <34e4e9bd-c7a8-e3e2-4cef-98a691ea7944@freebsd.org> <2553875.ilSvFZYQZ6@ralph.baldwin.cx> <bf4931ec-2c05-2b90-8bc6-affac684bd23@freebsd.org> <1907688.dXvDEfTesD@ralph.baldwin.cx> In-Reply-To: <1907688.dXvDEfTesD@ralph.baldwin.cx> --1gh5NKWQ4EsCTklft8sNmaAWbXrf9Agne Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 02/17/17 12:49, John Baldwin wrote: > On Friday, February 17, 2017 11:43:45 AM Sean Bruno wrote: >> >> 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@freebsd.org> wro= te: >>>>> Index: sys/conf/files >>>>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >>>>> --- 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/pp= b_1284.o >>> 1675 28 0 1703 0x6a7 /usr/obj/usr/src/sys/GENERIC/pp= b_base.o >>> 2042 0 0 2042 0x7fa /usr/obj/usr/src/sys/GENERIC/pp= b_msq.o >>> 6025 296 8 6329 0x18b9 /usr/obj/usr/src/sys/GENERIC/pp= bconf.o >>> 0 168 0 168 0xa8 /usr/obj/usr/src/sys/GENERIC/pp= bus_if.o >>> 9099 36 0 9135 0x23af /usr/obj/usr/src/sys/GENERIC/pp= c.o >>> 495 256 0 751 0x2ef /usr/obj/usr/src/sys/GENERIC/pp= c_acpi.o >>> 1671 256 0 1927 0x787 /usr/obj/usr/src/sys/GENERIC/pp= c_isa.o >>> 1124 208 0 1332 0x534 /usr/obj/usr/src/sys/GENERIC/pp= c_pci.o >>> 451 208 0 659 0x293 /usr/obj/usr/src/sys/GENERIC/pp= c_puc.o >>> 2751 428 8 3187 0xc73 /usr/obj/usr/src/sys/GENERIC/pp= i.o >>> >>> It is needed for drm. >>> >> >> Ok, so ... make it dependant on drm, vt, sc and pci? >=20 > You can kldload drm at runtime, so a static dependency isn't sufficient= =2E > It's not clear why removing this from GENERIC is that important. ppc i= s on far > fewer machines than vga_pci and takes up 10x more space. >=20 I don't want to remove it from GENERIC. I want to add the capability to remove it. Sorry if that wasn't clear from my subject line, because it doesn't look clear now that I re-read it. sean --1gh5NKWQ4EsCTklft8sNmaAWbXrf9Agne-- --gVlRJn8fEbCSXRWHAvVis5TjnfVGoMNN0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQGTBAEBCgB9FiEEuq1GMucSHejSCZfdEgHvyh5yfmQFAlinVPZfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEJB QUQ0NjMyRTcxMjFERThEMjA5OTdERDEyMDFFRkNBMUU3MjdFNjQACgkQEgHvyh5y fmTm8gf/QQxkM1BXTW19vS5jQr9nFWlwJ2LMdTxF23k6WlNRdMzWlWPd0a0iDyse lbVNnxaCsVHs3r1w3nia27RubpAZD6HDnuXLM7ACkijUb5D94TN5KjCJkfMrdob+ +wZe6elf/DgyNJsAYt0OdkHc6QNpGkdBvV/UYEV8JX1TrZm0CC0F7wGSyZ54goZd 3vDlaMUgpvWnn4hJdo96xhbWNxqLZoLvabfgNJxQDjO9tn1UIJMZVTozu/Ft50K1 yEDvOvuvrU5hxM8sC6hjPGu/A9q+cu7MSUACay9pN2qhur0VEW2+rOnoGWnW2fYy I3czkL/nIKETENrz+Zyya25de5mvdA== =xfYC -----END PGP SIGNATURE----- --gVlRJn8fEbCSXRWHAvVis5TjnfVGoMNN0--
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