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cd7ae47460
freebsd-skq/sys
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leitao cd7ae47460 md: use prestaged mfs_root 
On PowerNV systems, the rootfs is passed through kexec, which loads the rootfs
into memory and set two fdt entries to describe where the file is located in
the memory;

I need to pass this memory region to the md device as a mfs_root, but, current
md driver does not support two things:

 * Just getting a pointer from an external (bootloader) memory. If I need to
workaround it, I would need to declare a static array and memcopy from this
external memory to this static variable.

 * The size of the image. The usage of mfs_root_end, which is not a pointer,
seems to be not possible for this prestaged scenario.

This patch simply adds a new way to load mfs_root from memory.

Differential Revision: https://reviews.freebsd.org/D15625
Approved by: kib, jhibbits (mentor)
2018-06-07 13:57:34 +00:00
..
amd64 cpufunc: add rdtscp for x86 2018-06-07 00:54:11 +00:00
arm Since we don't enable BUF_TRACKING and FULL_BUF_TRACKING buffer debugging 2018-06-05 05:24:42 +00:00
arm64 Since we don't enable BUF_TRACKING and FULL_BUF_TRACKING buffer debugging 2018-06-05 05:24:42 +00:00
bsm
cam Enable high-speed on the card before increasing frequency on the controller 2018-06-05 11:03:24 +00:00
cddl Revert r326083, it doesn't behave as expected. 2018-06-03 03:53:11 +00:00
compat Define ARCH_KMALLOC_MINALIGN in the LinuxKPI. 2018-06-07 11:44:11 +00:00
conf md: use prestaged mfs_root 2018-06-07 13:57:34 +00:00
contrib MFV: r334448 2018-06-04 22:26:47 +00:00
crypto disable printing value of SKEIN_LOOP during standard out, 2018-05-19 18:27:14 +00:00
ddb Extend show proc with reaper, sigparent, and vmspace information 2018-05-25 13:59:48 +00:00
dev md: use prestaged mfs_root 2018-06-07 13:57:34 +00:00
dts arm: overlays: Update to new path-based sugar format 2018-05-04 14:38:48 +00:00
fs Revert r334586 since I now think __unused is the better way to handle this. 2018-06-04 11:35:04 +00:00
gdb amd64: Protect the kernel text, data, and BSS by setting the RW/NX bits 2018-03-06 14:28:37 +00:00
geom Introduce the 'n' flag for the geli attach command. 2018-05-09 20:53:38 +00:00
gnu gnu/dts: Update our copy of arm dts from Linux 4.16 2018-04-20 19:37:08 +00:00
i386 cpufunc: add rdtscp for x86 2018-06-07 00:54:11 +00:00
isa Revert r330780, it was improperly tested and results in taking a spin 2018-03-11 20:13:15 +00:00
kern When pidctrl_daemon() is called multiple times within an interval, it 2018-06-07 07:48:50 +00:00
kgssapi kgssapi: Remove trivial deadcode 2018-02-14 00:12:03 +00:00
libkern str(r)chr: Replace union abuse with __DECONST 2018-06-04 18:47:14 +00:00
mips MALTA64EL: disable modules until objcopy is fixed 2018-05-24 23:58:57 +00:00
modules Build nvme modules for powerpc, and install man pages 2018-06-07 11:25:36 +00:00
net iflib: Record TCP checksum info in iflib when TCP checksum is requested 2018-06-07 13:03:07 +00:00
net80211 Use an accessor function to access ifr_data. 2018-03-30 18:50:13 +00:00
netgraph Catch up two more places to the V_ifnet change to a CK_STAILQ. 2018-05-24 00:06:55 +00:00
netinet Improve compliance with RFC 4895 and RFC 6458. 2018-06-06 19:27:06 +00:00
netinet6 Load balance sockets with new SO_REUSEPORT_LB option. 2018-06-06 15:45:57 +00:00
netipsec Rework IP encapsulation handling code. 2018-06-05 20:51:01 +00:00
netpfil pf: Replace rwlock on PF_RULES_LOCK with rmlock 2018-05-30 07:11:33 +00:00
netsmb Eliminate the overhead of gratuitous repeated reinitialization of cap_rights 2018-05-09 18:47:24 +00:00
nfs UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
nfsclient style: Remove remaining deprecated MALLOC/FREE macros 2018-01-25 22:25:13 +00:00
nfsserver
nlm Use syscall_helper_register() to register syscalls and initialize though 2018-02-10 01:09:22 +00:00
ofed UDP: further performance improvements on tx 2018-05-23 21:02:14 +00:00
opencrypto cryptosoft: Do not exceed crd_len around *crypt_multi 2018-04-19 15:24:21 +00:00
powerpc Included VSX registers in powerpc core dumps 2018-06-02 20:28:58 +00:00
riscv Export a breakpoint() function to userland for riscv. 2018-05-16 16:56:35 +00:00
rpc
security #include <bsm/audit.h> in security/audit/audit_ioctl.h 2018-05-30 21:50:23 +00:00
sparc64 Define memmove and make bcopy alt entry point 2018-05-24 21:11:28 +00:00
sys pmc: convert native to jsonl and track TSC value of samples 2018-06-07 02:03:22 +00:00
teken teken: Fix sequences header which was crossing the 80-col boundary 2018-05-29 08:41:44 +00:00
tests epoch(9): Make epochs non-preemptible by default 2018-05-18 17:29:43 +00:00
tools Add dtb overlays support 2018-03-24 21:30:24 +00:00
ufs ufs: remove cgbno variable where unused 2018-05-19 19:30:42 +00:00
vm Fix a typo in vm_domain_set(). When a domain crosses into the severe range, 2018-06-07 13:29:54 +00:00
x86 add support for console resuming, implement it for uart, use on x86 2018-05-29 16:16:24 +00:00
xdr
xen xen: remove dead code from gnttab.h 2018-05-25 08:44:00 +00:00
Makefile