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freebsd-dev/sys/conf
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Ian Lepore 5cf10fb96a Add a new kernel config option, MD_ROOT_READONLY, which forces on the 
MD_READONLY flag for the md device automatically instantiated during
kernel init for an mdroot filesystem.

Note that there is specifically and by design no tunable or sysctl
control over this feature.  Without this option, you already have control
over whether the mdroot fs is writeable using vfs.root.mountfrom.options
from loader(8), the root_rw_mount rcvar, and by using "mount -u[rw] /"
or equivelent on the fly.  This option is being added to provide a way
to make the mdroot fs truly immutable before userland code begins running.

Differential Revision:	https://reviews.freebsd.org/D13411
2017-12-20 18:23:22 +00:00
..
config.mk Revert r319053 due to lack of sence. As pointed out by kib@ opt_global.h 2017-06-04 18:24:41 +00:00
dtb.mk Move sys/boot/fdt/dts to sys/dts and adjust scripts. 2017-11-14 21:03:57 +00:00
files ixgbe(4): Convert driver to use iflib 2017-12-20 18:15:06 +00:00
files.amd64 To prepare for adding EFI runtime services support on arm64 move the 2017-10-01 19:52:47 +00:00
files.arm Tag all armv7 kernels as such in their machine config line. 2017-10-05 23:01:50 +00:00
files.arm64 Allwinner H5: Enhance support 2017-12-05 21:21:23 +00:00
files.i386 Remove i386 XBOX support. 2017-11-16 14:27:02 +00:00
files.mips Merge projects/ipsec into head/. 2017-02-06 08:49:57 +00:00
files.powerpc Add Freescale QorIQ SATA controller support. 2017-11-05 02:47:46 +00:00
files.riscv Support for v1.10 (latest) of RISC-V privilege specification. 2017-08-10 14:18:09 +00:00
files.sparc64 Merge projects/ipsec into head/. 2017-02-06 08:49:57 +00:00
kern.mk Automatically use the ELFv2 ABI on powerpc64 if supported by the compiler. 2017-11-25 21:44:23 +00:00
kern.opts.mk Support armv7 builds for userland 2017-10-05 23:01:33 +00:00
kern.post.mk DEPENDSRCS not used here. 2017-12-05 02:23:27 +00:00
kern.pre.mk Merge ^/head r325842 through r325998. 2017-11-19 12:36:03 +00:00
kmod_syms_prefix.awk Add the infrastructure to support loading multiple versions of TCP 2017-06-08 20:41:28 +00:00
kmod_syms.awk
kmod.mk Remove build system support for lint. 2017-11-17 18:16:46 +00:00
ldscript.amd64 Introduce __read_frequently 2017-09-06 20:32:49 +00:00
ldscript.arm remove CONSTRUCTORS from kernel linker scripts 2016-07-28 13:54:46 +00:00
ldscript.arm64 Explicitly include all .rodata.* sections in the kernel .rodata. This 2016-09-03 17:23:24 +00:00
ldscript.i386 use INT3 instead of NOP for x86 binary padding 2017-03-19 00:22:13 +00:00
ldscript.mips remove CONSTRUCTORS from kernel linker scripts 2016-07-28 13:54:46 +00:00
ldscript.mips.cfe remove CONSTRUCTORS from kernel linker scripts 2016-07-28 13:54:46 +00:00
ldscript.mips.mips64 remove CONSTRUCTORS from kernel linker scripts 2016-07-28 13:54:46 +00:00
ldscript.mips.octeon1 remove CONSTRUCTORS from kernel linker scripts 2016-07-28 13:54:46 +00:00
ldscript.powerpc remove CONSTRUCTORS from kernel linker scripts 2016-07-28 13:54:46 +00:00
ldscript.powerpc64 Make __startkernel line up with KERNBASE, so that the math to compute the 2017-12-19 15:50:46 +00:00
ldscript.powerpcspe Create a new MACHINE_ARCH for Freescale PowerPC e500v2 2016-10-22 01:57:15 +00:00
ldscript.riscv o Remove operation in machine mode. 2016-08-10 12:41:36 +00:00
ldscript.sparc64 remove CONSTRUCTORS from kernel linker scripts 2016-07-28 13:54:46 +00:00
Makefile.amd64 Clang's 3.5 integrated assembler now handles these files correctly (it 2015-01-05 12:28:22 +00:00
Makefile.arm Support armv7 builds for userland 2017-10-05 23:01:33 +00:00
Makefile.arm64 Build changes that allow the modules on arm64. 2015-10-08 17:42:08 +00:00
Makefile.i386 Clang's 3.5 integrated assembler now handles these files correctly (it 2015-01-05 12:28:22 +00:00
Makefile.mips Compile trampoline with soft-float on MIPS, to match the rest of the kernel 2016-11-16 03:24:20 +00:00
Makefile.powerpc Don't pass -Wa,-many through clang, the integrated as doesn't support it. 2017-01-22 06:00:05 +00:00
Makefile.riscv Support for v1.10 (latest) of RISC-V privilege specification. 2017-08-10 14:18:09 +00:00
Makefile.sparc64
makeLINT.mk Rework r325568 so all 'make LINT' targets work. 2017-11-13 20:49:08 +00:00
makeLINT.sed
newvers.sh Indent protection and some other oops from the prvious commits. 2017-11-20 19:56:11 +00:00
NOTES Add a new kernel config option, MD_ROOT_READONLY, which forces on the 2017-12-20 18:23:22 +00:00
options Add a new kernel config option, MD_ROOT_READONLY, which forces on the 2017-12-20 18:23:22 +00:00
options.amd64 Remove SVR4 (System V Release 4) binary compatibility support. 2017-02-28 05:14:42 +00:00
options.arm Tag all armv7 kernels as such in their machine config line. 2017-10-05 23:01:50 +00:00
options.arm64 Add rudimentary support for building FreeBSD/arm64 with COMPAT_FREEBSD32. 2017-11-24 13:50:53 +00:00
options.i386 Remove SVR4 (System V Release 4) binary compatibility support. 2017-02-28 05:14:42 +00:00
options.mips Remove CPU_HAVEFPU. 2017-10-18 17:23:16 +00:00
options.powerpc Create a new MACHINE_ARCH for Freescale PowerPC e500v2 2016-10-22 01:57:15 +00:00
options.riscv Add full softfloat and hardfloat support for RISC-V. 2016-11-16 15:21:32 +00:00
options.sparc64
systags.sh sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
WITHOUT_SOURCELESS
WITHOUT_SOURCELESS_HOST
WITHOUT_SOURCELESS_UCODE rtwn(4), urtwn(4): merge common code, add support for 11ac devices. 2016-10-17 20:38:24 +00:00