- 30 Oct, 2018 40 commits
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Andrei Vagin authored
Currently, install_service_fd() always creates a new file descriptor, but it is going to be reworked to reuse a file descriptor when it is possible. Reviewed-by:
Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by:
Andrei Vagin <avagin@virtuozzo.com>
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Cyrill Gorcunov authored
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Dmitry Safonov <0x7f454c46@gmail.com> Signed-off-by:
Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by:
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Andrei Vagin authored
Otherwise files from a previous build can affect the current one. Reported-by: Mr Jenkins Signed-off-by: -
Cyrill Gorcunov authored
For a long time we've been demanding from cpus to be compatible on fpu frame level, but growing list of cpu features triggers inability for restored programs to proceed after restore due to specific intructions execution (such as avx2). Note the fpu frame may carry same size but not on instruction level where SIGILL may happen after the restore. Thus lets require instruction mode to be set and verified by default. Still one can drop this option via command line or rpc request. Signed-off-by:
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
Since we're using bintmaps for options don't exit early if --cpu-cap=ins specified because there might be a combination of options. Signed-off-by:
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Cyrill Gorcunov authored
Since now validation is bit based there is no longer need to exit early if fpu matches, we rather need over all possible options where several capability modes can be set. Signed-off-by:
Dmitry Safonov <0x7f454c46@gmaill.com> Signed-off-by:
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
To preserve backward compatibility because strict mode now lays under own block. Signed-off-by:
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Cyrill Gorcunov authored
Current scheme of when to write and verify cpuinfo images is unclear: we define default mode to 'fpu' and this implies that no cpuinfo image get written on dump and read on restore. In turn if 'cpu' or 'ins' mode specified in command line we write and verify this image. This is all wrong -- we need to produce image if any mode ecxept 'none' is specified. The 'none' mode is designed exactly for skipping cpuinfo image production or verification. Because any non-default mode requires explicit --cpu-cap option to be passed we can use this and setup new CPU_CAP_IMAGE telling criu to write or read this image. Note the default mode doesn't break backward compatibility because by default we don't write or read the image at all. Signed-off-by:
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Cyrill Gorcunov authored
It should be there from the beginning but happen to escape. Signed-off-by:
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Cyrill Gorcunov authored
xsave sizes should sit in fpu capability block because instruction and strick mode checkig is a different thing. Signed-off-by:
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Cyrill Gorcunov authored
Usually people simply leave cpu checkin in default mode (which is fpu level) but idea was to be able to compose a mixture of settings, for this sake CPU_CAP_ constants are bit shifts. Thus use bitwise operator for this. Same time define CPU_CAP_ as bit shifts explicitly and use explicit CPU_CAP_NONE compare where needed. Signed-off-by:
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Cyrill Gorcunov authored
No func changes. Signed-off-by:
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Cyrill Gorcunov authored
Keep xsave sizes in image to be sure that on restore the application won't override memory out of xsave frame size if been calling xsave instruction directly. Here are some details: while been testing vz7 containers migration we've noticed that sometime applications do crash after restore, what is worse such execution abort may happen not immediately after the restore but after passing some time. After spending a lot of time we discovered that it is due to the fact that the migration is directed from an old cpu to a modern one which has extensions such as mpx. In result libc has cached small xsave size and then after restore any direct call to xsave instruction overwrite memory which is allocated with size less than needed. Thus we save xsave frame size in image and require it to match to prevent such situation. Signed-off-by:
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Pavel Tikhomirov authored
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Pavel Tikhomirov <ptikhomirov@virtuozzo.com> Signed-off-by:
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Pavel Tikhomirov authored
Before fix issubpath("./zdtm/static/mntns_shared_vs_private.test", "./") returned false, though should return true. Signed-off-by: -
Pavel Tikhomirov authored
colon operators are there obviously by mistake instead of semicolons Signed-off-by:
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Pavel Tikhomirov authored
As mnt_roots always has a slash at the beginning we don't need another: (00.156035) 1: mnt: Move the root to //tmp/.criu.mntns.ZKVJHl/15-0000000000 Signed-off-by:
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Pavel Tikhomirov authored
for i in $(find . -name "*.[ch]" -type f); do sed -i 's/\(pr_warn(".*[^n]\)\("[),]\)/\1\\n\2/' $i done Signed-off-by: -
Adrian Reber authored
In RPC mode the log_level was always reset to the default log level of 2, if no configuration file was used. This saves the log level set via RPC in opts.log_level and a configuration file can overwrite it later, but if it is only set via RPC this value is not ignored now. Signed-off-by:
Adrian Reber <areber@redhat.com> Signed-off-by:
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Kondo, Uchio authored
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Radostin Stoyanov authored
The -c and -f options were introduced on December 2011 with commit 485c4b50 show: Rework show procedure Added - ability to parse every single file crtools understands via magic number - dumped memory pages can be rendered in two modes -- as a simple set of pages' virtual addresses or in hexdummp fashion (via -c command line key). For example ./crtools -s -c -f pages-2557.img CR_FD_PAGES: pages-2557.img ---------------------------------------- 7fffb44ace20: 00 00 00 00 00 00 00 00 00 00 00 74 65 73 74 2f |. . . . . . . . . . . t e s t / | 7fffb44ace30: 74 65 73 74 2d 73 69 67 61 63 74 69 6f 6e 00 48 |t e s t - s i g a c t i o n . H | 7fffb44ace40: 4f 53 54 4e 41 4d 45 3d 6c 6f 63 61 6c 68 6f 73 |O S T N A M E = l o c a l h o s | 7fffb44ace50: 74 2e 6c 6f 63 61 6c 64 6f 6d 61 69 6e 00 54 45 |t . l o c a l d o m a i n . T E | The -p/--pid option was added on April 2013 with commit 73d7e283 show: Filter -D output with --pid option Show only image info relevant to given pid. Also reuse the introduced --pid argument for exec action. And the -F option was introduced on December 2013 with commit 7ab8a326 show: Implement simple images filtering The -F|--fields option specifies which fields (by name, comma separated) should be printed. For nested fields all names in path should be specified. All four options were used in combination with the deprecated --show command which has been decommissioned on February 2016 with commit a501b480 show: Remove deprecated code The 'show' action has been deprecated since 1.6, let's finally drop it. The print_data() routine is kept for yet another (to be deprecated too) feature called 'criu exec'. Signed-off-by:
Radostin Stoyanov <rstoyanov1@gmail.com> Acked-by:
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Cyrill Gorcunov authored
To handle message addresses and ucreds. Signed-off-by:
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Cyrill Gorcunov authored
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Radostin Stoyanov authored
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Mike Rapoport authored
Fixes cov 191305 Signed-off-by:
Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by:
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Andrei Vagin authored
It fails too often and nobody knows how to fix it. Signed-off-by: -
Andrei Vagin authored
>>> CID 164715: (BUFFER_SIZE_WARNING) >>> Calling strncpy with a maximum size argument of 16 bytes on destination array "thread_args[i].comm" of size 16 bytes might leave the destination string unterminated. 3473 strncpy(thread_args[i].comm, core->tc->comm, TASK_COMM_LEN); Signed-off-by:
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Radostin Stoyanov authored
When zdtm.py is executed with `list` sub-command the 'criu_bin' option is not defined and criu.available() fails. $ python test/zdtm.py list Traceback (most recent call last): File "test/zdtm.py", line 2243, in <module> criu.available() File "test/zdtm.py", line 1185, in available if not os.access(opts['criu_bin'], os.X_OK): KeyError: u'criu_bin' However, we don't need to check the existence of criu_bin unless we use the `run` action. Signed-off-by: -
Radostin Stoyanov authored
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