svn commit: r216406 - stable/8/sys/amd64/conf
Ion-Mihai Tetcu
itetcu at FreeBSD.org
Mon Dec 13 14:19:51 UTC 2010
On Mon, 13 Dec 2010 12:34:35 +0000 (UTC)
Robert Watson <rwatson at FreeBSD.org> wrote:
> Author: rwatson
> Date: Mon Dec 13 12:34:35 2010
> New Revision: 216406
> URL: http://svn.freebsd.org/changeset/base/216406
>
> Log:
> Merge r216365 from head to stable/8:
>
> Derive the XENHVM kernel from GENERIC, adding only the options
> required to support PV drivers (such as xenpci), and non-adptive
> locking (along with a comment about why).
>
> This change eliminates the synchronisation problem between
> GENERIC and XENHVM, which had become severely rotted in HEAD, and in
> 8-STABLE included non-production kernel debugging features such as
> WITNESS.
> However, it comes at the cost of enabling devices and options
> that may not be present under Xen (such as random ethernet cards).
> For now, opt for a simpler kernel configuration file rather than
> using nooptions/ nodevice to enumerate and eliminate them. This
> leads to a somewhat larger XENHVM kernel.
>
> This is an MFC candidate for 8-STABLE before 8.2, in order to
> provide a production-worthy XENHVM kernel configuration for amd64.
>
> Discussed with: gibbs, cperciva
> Reported by: Piete Brooks <Piete.Brooks at cl.cam.ac.uk>
> Sponsored by: DARPA, AFRL
>
> Approved by: re (kib)
What about the same for i386?
BTW, on a i386R trying to do a
make buildworld && make buildkernel KERNCONF=VPS
yesterday resulted in:
cc -c -O -pipe -std=c99 -g -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -Wundef -Wno-pointer-sign -fformat-extensions -nostdinc -I. -I/usr/src/sys -I/usr/src/sys/contrib/altq -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100 --param large-function-growth=1000 -mno-align-long-strings -mpreferred-stack-boundary=2 -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -ffreestanding -fstack-protector -Werror /usr/src/sys/i386/xen/xen_machdep.c
/usr/src/sys/i386/xen/xen_machdep.c: In function 'initvalues':
/usr/src/sys/i386/xen/xen_machdep.c:1077: error: 'IdlePTDnew' undeclared (first use in this function)
/usr/src/sys/i386/xen/xen_machdep.c:1077: error: (Each undeclared identifier is reported only once
/usr/src/sys/i386/xen/xen_machdep.c:1077: error: for each function it appears in.)
/usr/src/sys/i386/xen/xen_machdep.c:1082: error: 'IdlePTDnewma' undeclared (first use in this function)
/usr/src/sys/i386/xen/xen_machdep.c:1085: error: 'IdlePDPTnew' undeclared (first use in this function)
/usr/src/sys/i386/xen/xen_machdep.c:1124: error: 'IdlePDPT' undeclared (first use in this function)
/usr/src/sys/i386/xen/xen_machdep.c:1125: error: 'IdlePDPTma' undeclared (first use in this function)
/usr/src/sys/i386/xen/xen_machdep.c:1125: error: 'IdlePDPTnewma' undeclared (first use in this function)
cc1: warnings being treated as errors
/usr/src/sys/i386/xen/xen_machdep.c:893: warning: unused variable 'pdir_shadow_ma'
*** Error code 1
Maybe I have something wrong in the KERNCONF?
# cat /root/kernels/
#
# XEN -- Kernel configuration for i386 XEN DomU
#
# $FreeBSD: src/sys/i386/conf/XEN,v 1.9.2.2 2010/11/28 16:25:16 cperciva Exp $
cpu I686_CPU
ident XEN
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
#makeoptions MODULES_OVERRIDE=""
options SCHED_ULE # ULE scheduler
options PREEMPTION # Enable kernel thread preemption
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options SCTP # Stream Control Transmission Protocol
options FFS # Berkeley Fast Filesystem
options SOFTUPDATES # Enable FFS soft updates support
options UFS_ACL # Support for access control lists
options UFS_DIRHASH # Improve performance on big directories
options GEOM_LABEL # Provides labelization
options COMPAT_43TTY # BSD 4.3 TTY compat (sgtty)
options COMPAT_FREEBSD7 # Compatible with FreeBSD7
options KTRACE # ktrace(1) support
options STACK # stack(9) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options P1003_1B_SEMAPHORES # POSIX-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
# Debugging for use in -current
options KDB # Enable kernel debugger support.
#options DDB # Support DDB.
#options GDB # Support remote GDB.
#options INVARIANTS # Enable calls of extra sanity checking
#options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
#options WITNESS # Enable checks to detect deadlocks and cycles
#options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
nooption NATIVE
option XEN
nodevice atpic
nodevice isa
options MCLSHIFT=12
# To make an SMP kernel, the next two lines are needed
options SMP # Symmetric MultiProcessor Kernel
device apic # I/O APIC
#device atkbdc # AT keyboard controller
#device atkbd # AT keyboard
#device psm # PS/2 mouse
device pci
#device kbdmux # keyboard multiplexer
device loop # Network loopback
device random # Entropy device
device ether # Ethernet support
device pty # Pseudo-ttys (telnet etc)
device bpf # Berkeley packet filter
device eisa
device ata
options ATA_STATIC_ID # Static device numbering
device vga # VGA video card driver
options VGA_NO_FONT_LOADING
options VGA_NO_MODE_CHANGE
# syscons is the default console driver, resembling an SCO console
device sc
options SC_NO_CUTPASTE
options SC_NO_FONT_LOADING
options SC_NO_HISTORY
options SC_NO_MODE_CHANGE
options SC_NO_SYSMOUSE
device pmtimer
--
IOnut - Un^d^dregistered ;) FreeBSD "user"
"Intellectual Property" is nowhere near as valuable as "Intellect"
FreeBSD committer -> itetcu at FreeBSD.org, PGP Key ID 057E9F8B493A297B
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