- 27 Mar, 2013 1 commit
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Pavel Emelyanov authored
After reworkring the way pagemap is stored the backward compatibility was not preserved for patches simplicity. Time to return it back. Signed-off-by:Pavel Emelyanov <xemul@parallels.com>
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- 26 Mar, 2013 12 commits
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Pavel Emelyanov authored
That's not allowed by kernel, but having explicit message is nice. Signed-off-by: -
Pavel Emelyanov authored
* remove obsoleted --namespaces * use macro for ext socket option name in help text Signed-off-by: -
Pavel Emelyanov authored
The ptrace seize may fail for various reasons. E.g. -- no enough perms to get the ptrace access to the tasks, or various selinux restrictions. Print what exactly has happened when ptrace failed. Reported-by:
Kevin Wilson <wkevils@gmail.com> Signed-off-by:
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Pavel Emelyanov authored
When we've failed to seize tasks we should report this error to the caller. Reported-by:
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Pavel Emelyanov authored
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Cyrill Gorcunov authored
The netlink layer reports negative error code so no need to signify it. [xemul: This is what we do for the rest of the nlk code.] Signed-off-by:
Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by:
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Pavel Emelyanov authored
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Pavel Emelyanov authored
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Pavel Emelyanov authored
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Pavel Emelyanov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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- 25 Mar, 2013 26 commits
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Andrey Vagin authored
* create two bound socket (for unicase and broadcase messages), a connected socket, an unbound and unconnected socket. Signed-off-by:
Andrey Vagin <avagin@openvz.org> Signed-off-by:
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Andrey Vagin authored
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Andrey Vagin authored
All info about bound sockets are got via socket diag interface. All connected sockets are automatically bound. For other sockets only protocol must be dumped, which is got with help getsockopt. A netlink sockets with pending data are not supported yet and probably will not be supported in a near future. Signed-off-by:
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Andrey Vagin authored
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Andrey Vagin authored
This header is taken from kernel sources. Signed-off-by:
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Andrey Vagin authored
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Andrey Vagin authored
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Andrey Vagin authored
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Alexander Kartashov authored
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Alexander Kartashov <alekskartashov@parallels.com> Signed-off-by:
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Alexander Kartashov authored
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Andrey Vagin authored
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Andrey Vagin authored
Each zombie sends SIGCHLD to parent. crtools restores all pending signals, so all other signals should be collected. Here is a problems, that signals SIGCHLD can be merged, but crtools should be sure, that all signals are collected. For that a zombie locks a global zombie_lock, which is released by parent. This operation should be done between CR_STATE_RESTORE and CR_STATE_RESTORE_SIGCHLD. Here is one more CR_STATE_RESTORE_ZOMBIES, whic is used for waiting all zombies. v2: clean up v3: rework synchronization v4: rework without additional CR_STATE-s Signed-off-by:
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Andrey Vagin authored
It's necessary to get a number of zombies. Signed-off-by:
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Andrey Vagin authored
Alexander, could you help me with ARM? I found in glibc sources, that sa_restoer should look like this: ports/sysdeps/unix/sysv/linux/arm/sigrestorer.S .... ENTRY(__cr_restore_rt) CFI mov r7, $SYS_ify(rt_sigreturn) swi 0x0 .fnend END(__cr_restore_rt) v2: Move architecture-dependent code in the proper place v3: Don't add a separate handler for collecting zombies Cc: Alexander Kartashov <alekskartashov@parallels.com> Signed-off-by: -
Andrey Vagin authored
v2: fix indentations. Signed-off-by:
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Andrey Vagin authored
Read siginfo-s from images and send them to itself by sigqueueinfo. Thread signals cannot be restored in restore_thread_common, because it blocks SIGCHLD, which used for error detecting. v2: Don't remap task_args and thread_args v3: fix error handling v4: cosmetic clean up Signed-off-by:
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Andrey Vagin authored
PTRACE_PEEKSIGINFO is used for received pending signals, then all signal are sent back and saved in a image. v2: rework according with the new kernel interface v3: rework according with the newrest kernel interface v4: fix error handling Signed-off-by:
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Andrey Vagin authored
v2: rename images Signed-off-by:
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Andrey Vagin authored
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Andrey Vagin authored
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Andrey Vagin authored
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Cyrill Gorcunov authored
Signed-off-by:
Andrew Vagin <avagin@parallels.com> Signed-off-by:
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Cyrill Gorcunov authored
In case if there some error happened better to know which exactly file failed on open, for example | Error (files-reg.c:535): Can't open file /lib64/libgcc_s-4.4.7-20120601.so.1 on restore: No such file or directory Signed-off-by:
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
In case if there image corruption and page entry addres is invalid -- exit out gracefully instead of BUG_ON hammer. Signed-off-by:
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Cyrill Gorcunov authored
| Map 0x0000000000400000-0x00000000004a5000 0x0000000000000000 vma | premap 0x0000000000400000-0x00000000004a5000 -> 00007f26eb898000 Signed-off-by:
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- 20 Mar, 2013 1 commit
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Cyrill Gorcunov authored
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