The target has been broken for some time without complaints from users.
https://lists.openvz.org/pipermail/criu/2016-March/026525.html
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Each time I type `make clean` and find that my tags are cleaned
and generated headers/c-files are deleted, I'm getting annoyed.
Mostly it's about protobuf images definitions.
(And then I need to run `make` and `make tags` again which
is painful).
I think, we may separate clean process on two parts, just
like it's done in the kernel (omitting distclean):
o Cleaning all binaries/objects, but leave enough to navigate
o Clean everything compiled/generated/etc.
In this patch pie blobs are still deleted on clean stage - I may
fix it in the later patches.
(they _should_ be regenerated on `make clean && make`)
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
.gitid, and some of the build directories from setup.py need to be cleaned
on 'clean'.
Signed-off-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
CRIU processes save *.gcda and *.gcno files near source files,
so when we restore tests into another mount namespace,
we need to have access to sources from this namespace.
Cc: Sergey Bronnikov <sergeyb@openvz.org>
Reported-by: Sergey Bronnikov <sergeyb@openvz.org>
Signed-off-by: Andrew Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
By default it generates archive name same
as a tag name, but Pavel requested to match
old scheme and strip off "v" prefix.
Reported-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
$ echo test//home/avagin/git/criu
test//home/avagin/git/criu
v2: use double quotes to run pwd
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
They are running inside dumpee space so should not
be injected with Gcov instructions.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
The tags target should only create tag file using ctags.
For those who like to run emacs, the new target etags is generating
the TAGS file.
Cc: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
After refactoring of build system we broke target for code coverage report
generation in the main Makefile. This patch fix it.
Signed-off-by: Sergey Bronnikov <sergeyb@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Everytime we build the executable we've to check
all the deps and sources for changes, thus
don't protvide criu/criu on toplevel as
a target file (my bug in 496b51b64a).
Instead bring this target as a phony back
but drop phony from criu/Makefile itself,
as it should be from the beginning.
Same time remove unneeded phonies over
the targets which are real files.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Tested-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
The nmk framework now references PowerPC 64 bits architectures as
ppc64. This applies for both little endian, and the future supported
big endian one.
Acked-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
It was replaced by zdtm.py.
v2: remove zdtm.sh from other scripts
remove fault-injection, because nobody uses it
Signed-off-by: Andrew Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Current zdtm building procedure depends on impilcit
make fules, so bring them back until we moved to
nmk build engine.
Reported-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Otherwise linking may be executed twice
as a forced target.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Currently our @tar target imples that there
is a tag in form of "vX.X", if such tag is
not present in the repo we're in trouble.
So make it sane
- if tag present then create tar from this tag
- if tag is not present simply use git describe helper
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Both CRIU library and CRIT python data are moved into
lib/c and lib/py.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
- no more x86_64 in @ARCH, as in kernel it's traditional x86 entry
- @build renamed to @build-old, will be deprecated
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
As they store just a value, not any recursive expands, lets simplify.
Impact: cleanup
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
As SRCARCH := arm defined two lines above, no need for additional ifeq.
Impact: cleanup
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Reviewed-by: Christopher Covington <cov@codeaurora.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Currently the kernel doesn't report sequence numbers for contracks
and tries to restore them from first packets.
When we are restoring a tcp connection, we send a window probe and
set seq - 1 in it to get ack immediatly.
/* Use a previous sequence. This should cause the other
* end to send an ack. Don't queue or clone SKB, just
* send it.
*/
tcp_init_nondata_skb(skb, tp->snd_una - !urgent, TCPHDR_ACK);
But conntrack doesn't like this, because then we get ack, which is greater than seq.
It looks like we try to ack data which we haven't received yet.
[ 735.528073] td_maxwin == 0
seq=1081132048 ack=2965916432+(0) sack=2965916432+(0) win=342 end=1081132048
tcp_in_window: sender end=0 maxend=0 maxwin=0 scale=0 receiver end=0 maxend=0 maxwin=0 scale=0
[ 735.533409] log_invalid:
seq=2965916431 ack=1081132049+(0) sack=1081132049+(0) win=342 end=2965916431
tcp_in_window: sender end=2965916431 maxend=2965916773 maxwin=342 scale=0 receiver end=1081132048 maxend=1081132390 maxwin=342 scale=0
[ 735.537651] nf_ct_tcp: ACK is over the upper bound (ACKed data not seen yet)
The kernel sets IP_CT_TCP_FLAG_BE_LIBERAL for new conntracks,
if we are in the middle of a connection.
Signed-off-by: Andrew Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
crtools binary is linked with the C library and could rely on all the
services this library is providing, including system calls.
Thus it doesn't need to be linked with the builtin system calls code
made for the parasite/restorer binaries.
This patch does:
- remove the inclusion of syscall.h
- replace all call to sys_<syscall>() by C library <syscall>()
- replace unwrapped system calls by syscall(SYS_<syscall>,...)
- fix the generated compiler's issues.
There should not be any functional changes. The only 'code' changes is
appearing in locks.h when futex is called through the C library, the
errno value is fetched from errno variable instead of the return
value.
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Reviewed-by: Christopher Covington <cov@codeaurora.org>
Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This patch updates Makefile for measuring code coverage in CRIU.
criu binary should be compiled with option --coverage and linked with -lgcov
option. lcov utility creates HTML pages containing the source code annotated
with coverage information.
make GCOV=1
make test
make gcov
Look at gcov/html/index.html
Changes:
- disable optimization on compilation for gathering coverage data
- mention an option for coverage in help
- cleanup the files produced for code coverage
- make path to coverage files produced by tests in ns independent on environment
- add an option lcov_branch_coverage as branch coverage disabled by default
Signed-off-by: Sergey Bronnikov <sergeyb@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Standalone criu target should not be used here
because it doesn't carry all prerequisites needed.
Instead simply use @all.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
So, first of all we've fixed (I hope) the security issues
spotted by RedHat people. Another big thing of this release
is the huge amount of bug fixes found while testing live
migration. And enhancements for live migration itself is
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This directory is generated by the install-crit target, so let's .gitignore
it and clean it on `make clean`.
Signed-off-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
As we've deleted them in previous two patches.
Signed-off-by: Ruslan Kuprieiev <rkuprieiev@cloudlinux.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This patch change the build chain to not use pie objects in the crtools
executable.
This done by building the shared source files twice:
1. for parasite/restorer as '<file>-pie-build.o'
2. for crtools as '<file>.o'
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
To build piegen tool with different compiler/linker than
gcc/ld -- simply run make as
HOSTCC="host-compiler" HOSTLD="host-ld" make
where host-compiler/ld is appropriate program needed.
https://github.com/xemul/criu/issues/63
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Reviewed-by: Christopher Covington <cov@codeaurora.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
There were multiple copy of the same code spread over the different
architectures handling the vDSO.
This patch is merging the duplicated code in arch/*/vdso-pie.c and
arch/*/include/asm/vdso.h in the common files and let only the architecture
specific part in the arch/*/* files.
The file are now organized this way:
include/asm-generic/vdso.h
contains basic definition which could be overwritten by
architectures.
arch/*/include/asm/vdso.h
contains per architecture definitions.
It may includes include/asm-generic/vdso.h
pie/util-vdso.c
include/util-vdso.h
These files contains code and definitions common to both criu and
the parasite code.
The file include/util-vdso.h includes arch/*/include/asm/vdso.h.
pie/parsite-vdso.c
include/parasite-vdso.h
contains code and definition specific to the parasite code handling
the vDSO.
The file include/parasite-vdso.h includes include/util-vdso.h.
arch/*/vdso-pie.c
contains the architecture specific code installing the vDSO
trampoline.
vdso.c
include/vdso.h
contains code and definition specific to the criu code handling the
vDSO.
The file include/vdso.h includes include/util-vdso.h.
CC: Christopher Covington <cov@codeaurora.org>
CC: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Acked-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
We have quite a lot of new stuff this time. More flexibility
in cgroup management code (and this story far from being over)
in the library and in the crit command line, preparations to
x66 32bit, that also helped the PPC port, freezer cgroup
filannly found its place in the code. We also had our first
CVE-s found :) and a LOT of bugs fixed.
So the plan for the 1.8 is: cgroups, secured containers and
bugfixes. x86 32bit is tempting too.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Use CRTOOLSVERSION instead of GITID to write criu.pc version. With
GITID, criu.pc had version '0' when built from tarballs.
Signed-off-by: Cédric Bosdonnat <cbosdonnat@suse.com>
Acked-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
criu_opts contains rpc options and notify callback,
so we can keep all options in just one structure.
This will allow us to easily extend libcriu functionality
and yet keep all options in one place.
We're also not hiding rpc opts structure anymore, so
it is pretty clear where power-user should put his own
CriuOpts instance if he would like to do that.
Signed-off-by: Ruslan Kuprieiev <rkuprieiev@cloudlinux.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
For testing purpose we need to disable using of
piegen utility. So lets add PIEGEN make option
thus one can "PIEGEN=no make" to build criu
without piegen at all.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This cleans the assembly code, removing no more needed trick with the
register 2 (TOC pointer). As a consequence, the __export_restore_task_trampoline()
and __export_unmap_trampoline() are no more needed.
Thus, the changes introduced by the commit de9df91002 ("Per architecture restorer
trampolines") in cr-restore.c are no more used but are not impacting
runtime code anyway.
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
After this patch one can run ARCH="ia32" make to build
32bit version on CRIU on 64bit host. Note this is only
build procedure which tuned up, the CRIU itself is not
yet ready to make a checkpoint/restore cycle -- a lot
of additional code is needed and here we rather put
stubs simply to make build procedure run.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Since at the moment we're running only x86-64 not 32 bit tasks,
and our code is not carrying any big statically defined structures
we can use relocatable files directly with all relocation applied
during building.
This gonna be changed soon once we start supporting 32 bit tasks.
IOW even currently we need (which is not yet done but it's safe)
- check for gotpcrel relocations
- apply relocations with generated elf_apply_relocs helper
Currently overall scheme looks this way
- our object files are linked together into parasite.built-in.bin.o file
- then pie/piegen/piegen tool is called which parses this file and generates
C source code file with bytestream and all information needed to rellocate
this bytestream into a new place (see elf_apply_relocs helper)
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Here we simply build piegen tool which gonna be used
to generate parasite code safe to rellocate. The tool
is taking object file as an argument, parses it and
generates C file with rellocations encoded in form
suitable for fast appliance.
Currently only x86-32 x86-64 is supported.
v2 (by ldufour@):
- Filter PIEGEN
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
The criu(8) man-page is generated using asciidoc. The problem with
asciidoc is that, due to its dependencies, it is not available on
all distributions or it is undesired to install all asciidoc
dependencies. The install target was unconditionally installing and thus
building the man-page even if not explicitly specified with 'make docs'.
With the new 'install-criu' target everything besides the man-page is
installed and the target 'install-man' is only called by the target
'install'.
Signed-off-by: Adrian Reber <areber@redhat.com>
Acked-by: Tycho Andersen <tycho.andersen@canonical.com>
Looks-ok-to: Cyril Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
