144029264039_521560007111Oren Laadan
From: Nathan Lynch <ntl@xxxxxxxxx A checkpointed task image may specify a value for the DABR (Data Access Breakpoint Register). The restart code needs to validate this value before making any c

 
117725834699_572560007044Li Zefan
From: Dan Smith <danms@xxxxxxxxxx Implement the s390 arch-specific checkpoint/restart helpers. This is on top of Oren Laadans c/r code. With these, I am able to checkpoint and restart simple p

 
149924864473_525260007364Li Zefan
From: Dan Smith <danms@xxxxxxxxxx Implement the s390 arch-specific checkpoint/restart helpers. This is on top of Oren Laadans c/r code. With these, I am able to checkpoint and restart simple p

 
146721124993_518360007523Andrew Morton
Quoting Li Zefan (lizf@xxxxxxxxxxxxxx): While walking through the whitelist, if the DEV_ALL item is found, no more check is needed. Right, because the DEV_ALL item always has all permissions.

 
102627674243_513260007116Andrew Morton
Quoting Li Zefan (lizf@xxxxxxxxxxxxxx): While walking through the whitelist, if the DEV_ALL item is found, no more check is needed. Right, because the DEV_ALL item always has all permissions.

 
185825074042_589760007990Chris R Jones
Andrew Morton wrote: On Tue, 07 Apr 2009 13:47:16 +0800 Li Zefan <lizf@xxxxxxxxxxxxxx wrote: While walking through the whitelist, if the DEV_ALL item is found, no more check is neede

 
100829014573_570760007184Chris R Jones
Andrew Morton wrote: On Tue, 07 Apr 2009 13:47:16 +0800 Li Zefan <lizf@xxxxxxxxxxxxxx wrote: While walking through the whitelist, if the DEV_ALL item is found, no more check is neede

 
175221244670_522460007257Serge E Hallyn
Quoting Chris R. Jones (chris@xxxxxxxxxxxxx): One more question for the experts: Is there any roadmap out there for when we can see containers support in kernels for the major distributions

 
158828444369_558060007981Serge E Hallyn
Quoting Chris R. Jones (chris@xxxxxxxxxxxxx): One more question for the experts: Is there any roadmap out there for when we can see containers support in kernels for the major distributions

 
110320534748_534660007815Serge E Hallyn
On s390, all tasks have READ_IMPLIES_EXEC set in current- personality, which causes the restart process to map things like the stack and heap as executable. During the restart process, remove this b

 
146320424322_550660007044Serge E Hallyn
On s390, all tasks have READ_IMPLIES_EXEC set in current- personality, which causes the restart process to map things like the stack and heap as executable. During the restart process, remove this b

 
149529484946_506760007570Oren Laadan
Serge E. Hallyn wrote: Quoting Dan Smith (danms@xxxxxxxxxx): On s390, all tasks have READ_IMPLIES_EXEC set in current- personality, which causes the restart process to map things like the s

 
125124064695_592260007070Oren Laadan
Serge E. Hallyn wrote: Quoting Dan Smith (danms@xxxxxxxxxx): On s390, all tasks have READ_IMPLIES_EXEC set in current- personality, which causes the restart process to map things like the s

 
117922184915_554960007942Oren Laadan
OL In fact, if elsewhere we restore current- personality of the task, OL then unless we move it to cr_read_mm(), it will overwrite it :( Should we move it or just remove RIE before we start the re

 
153029034995_527760007179Serge E Hallyn
Dan, Now after the rework of the patchset, its probably a good time to add support for this. Im unsure if the personality can affect other restore actions that take place elsewhere If so, probably

 
109127124222_541360007161Ryo Tsuruta
Ok, applied. Serge E. Hallyn wrote: Make x86 support depend on it (for now). Signed-off-by: Serge E. Hallyn <serue@xxxxxxxxxx --- arch/x86/Kconfig | 1 + 1 files changed, 1 ins

 
145827124109_540360007764Sukadev Bhattiprolu
Hi all, Im pleased to announce that the new dm-ioband RPM package (v1.12.0) has been released at: rel="nofollow" sourceforge.net/apps/trac/ioband/wiki/dm-ioband sourceforge.net/apps/trac/iob

 
197420304170_566860007801Sukadev Bhattiprolu
Suka, can you please post the entire test program so I can try to reproduce it here ? thanks, Oren. Sukadev Bhattiprolu wrote: Tried this with v14-rc2. This is probably not implemented yet...

 
173821324019_565360007819Sukadev Bhattiprolu
I just posted v14-rc3 which includes the c/r of restart-blocks. That should improve the situation. However, depending on which syscalls one uses, process may still seem "stuck" after rest

 
159422104721_558960007970Mark Ryden
Hi, Sukadev Bhattiprolu wrote: Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | | I just posted v14-rc3 which includes the c/r of restart-blocks. | That should improve the situation. | | H

 
176825794681_599160007898Mark Ryden
On Wed, Apr 01, 2009 at 01:00:53PM +0300, Mark Ryden wrote: Hello, I am back to it and I just want to ask if there are any news with sysfs tagged directory support patch. Is it merged now ?

 
115124504610_526060007389Oren Laadan
Quoting Mark Ryden (markryde@xxxxxxxxx): Hello, I am sorry to hear that it is not merged yet.I hoped to try to start a project with network namespaces. Sysfs tagged directories are not support

 
102428264420_519460007372Serge E Hallyn
Checkpoint of sysvipc shared memory is performed in two steps: first, the entire ipc namespace is dumped as a whole by iterating through all shm objects and dumping the contents of each one. The shme

 
199522324505_501460007185Oren Laadan
Serge E. Hallyn wrote: Quoting Oren Laadan (orenl@xxxxxxxxxxxxxxx): ... int cr_write_ipc(struct cr_ctx *ctx, struct nsproxy *nsproxy) { - return 0; + return cr_write_ipc_shm(ctx,

 
183324794396_555460007884Oren Laadan
During restart, an ipc shared region may have SHM_DEST, indicating that it has been originally deleted (while still active). In this case the task of deleting the region after restoring it is postpon

 
152328364462_520460007454Oren Laadan
Quoting Oren Laadan (orenl@xxxxxxxxxxxxxxx): -int ipc_addid(struct ipc_ids* ids, struct kern_ipc_perm* new, int size) +int +ipc_addid(struct ipc_ids *ids, struct kern_ipc_perm *new, int size, i

 
110129774905_571260007758Oren Laadan
Quoting Oren Laadan (orenl@xxxxxxxxxxxxxxx): Serge E. Hallyn wrote: Quoting Oren Laadan (orenl@xxxxxxxxxxxxxxx): -int ipc_addid(struct ipc_ids* ids, struct kern_ipc_perm* new, int si

 
110022614584_552060007077Oren Laadan
On Tue, Mar 31, 2009 at 01:32:31AM -0400, Oren Laadan wrote: Signed-off-by: Oren Laadan <orenl@xxxxxxxxxxxxxxx The description is empty and this patch is rather pointless without 7/7. Any reas

 
189324504309_539760007194Matt Helsley
Like chekcpoint, restart of sysvipc shared memory is also performed in two steps: first, the entire ipc namespace is restored as a whole, by restoring each shm object read from the checkpoint image.

 
158322974673_597960007740Dave Hansen
Add a interface to postpone an action until the end of the entire checkpoint or restart operation. This is useful when during the scan of tasks an operation cannot be performed in place, to avoid the

 
186323744575_532560007400Oren Laadan
Dave Hansen wrote: On Tue, 2009-03-31 at 01:32 -0400, Oren Laadan wrote: Add a interface to postpone an action until the end of the entire checkpoint or restart operation. This is useful whe

 
178026804377_568460007614Oren Laadan
These two are used in the next patch when calling vfs_read/write() Signed-off-by: Oren Laadan <orenl@xxxxxxxxxxxxxxx --- fs/read_write.c | 10 ---------- include/linux/fs.h | 10 ++++++++

 
144124924876_502560007330Serge E Hallyn
If ext2/3/4 is compiled as a kernel module, apply this patch to successfully compile this c/r patchset. Oren. diff --git a/checkpoint/ckpt_file.c b/checkpoint/ckpt_file.c index 0fe68bf..df6bb3d 10

 
110229064781_541260007245Oren Laadan
A minor comment and a nit. Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From d832bfba9a50789fbfadf8486fbdfbd8b498a9ea Mon Sep 17 00:00:00 2001 | From: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx | Date

 
160628864542_527860007393Oren Laadan
A minor comment and a nit. Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From d832bfba9a50789fbfadf8486fbdfbd8b498a9ea Mon Sep 17 00:00:00 2001 | From: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx | Date

 
101727274767_559360007345Oren Laadan
Infrastructure to handle objects that may be shared and referenced by multiple tasks or other objects, e..g open files, memory address space etc. The state of shared objects is saved once. On the fi

 
199328314024_537060007416Oren Laadan
Infrastructure to handle objects that may be shared and referenced by multiple tasks or other objects, e..g open files, memory address space etc. The state of shared objects is saved once. On the fi

 
198429574909_586060007921Oren Laadan
Create trivial sys_checkpoint and sys_restore system calls. They will enable to checkpoint and restart an entire container, to and from a checkpoint image file descriptor. The syscalls take a file d

 
119020834826_597160007128Oren Laadan
Create trivial sys_checkpoint and sys_restore system calls. They will enable to checkpoint and restart an entire container, to and from a checkpoint image file descriptor. The syscalls take a file d

 
121521004013_575860007878Oren Laadan
Minor comment: Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From 26e7a012d3ff04d64a59e629f2427dfa2b49792b Mon Sep 17 00:00:00 2001 | From: Oren Laadan <orenl@xxxxxxxxxxxxxxx | Date: Mon, 30 Mar

 
115023974605_591860007657Oren Laadan
Minor comment: Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From 26e7a012d3ff04d64a59e629f2427dfa2b49792b Mon Sep 17 00:00:00 2001 | From: Oren Laadan <orenl@xxxxxxxxxxxxxxx | Date: Mon, 30 Mar

 
126229834487_528760007002Oren Laadan
A few minor comments. Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From 6f0a1dc1db8fdac766b00f90e04e06a5827af459 Mon Sep 17 00:00:00 2001 | From: Oren Laadan <orenl@xxxxxxxxxxxxxxx | Date: Mon,

 
170423364959_561260007940Oren Laadan
A few minor comments. Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From 6f0a1dc1db8fdac766b00f90e04e06a5827af459 Mon Sep 17 00:00:00 2001 | From: Oren Laadan <orenl@xxxxxxxxxxxxxxx | Date: Mon,

 
153323854023_535860007519Oren Laadan
Just a nit: Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From 6f5483b085b1fb675a8445c65ddbeb7b38187865 Mon Sep 17 00:00:00 2001 | From: Oren Laadan <orenl@xxxxxxxxxxxxxxx | Date: Mon, 30 Mar 2

 
148725714620_550160007999Oren Laadan
Just a nit: Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From 6f5483b085b1fb675a8445c65ddbeb7b38187865 Mon Sep 17 00:00:00 2001 | From: Oren Laadan <orenl@xxxxxxxxxxxxxxx | Date: Mon, 30 Mar 2

 
137924794396_598460007385Oren Laadan
One comment below. Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From eed3f074ed035c93eb49d05cc1491ee680956906 Mon Sep 17 00:00:00 2001 | From: Oren Laadan <orenl@xxxxxxxxxxxxxxx | Date: Mon, 30

 
164026594368_512760007721Oren Laadan
From: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx This marks ext[234] as being checkpointable. There will be many more to do this to, but this is a start. Signed-off-by: Dave Hansen <dave@xxxxxxxx

 
113026504056_508860007252Oren Laadan
Couple of nits: Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From f5dec38baa6a2cc2a88783db3a9afd676821d293 Mon Sep 17 00:00:00 2001 | From: Oren Laadan <orenl@xxxxxxxxxxxxxxx | Date: Mon, 30 Mar

 
102827954638_505260007994Oren Laadan
Minor comment. Oren Laadan [orenl@xxxxxxxxxxxxxxx] wrote: | From 7bb32901eb8cefba38bd06bea8a1630ac0dd5051 Mon Sep 17 00:00:00 2001 | From: Oren Laadan <orenl@xxxxxxxxxxxxxxx | Date: Mon, 30 Mar

 
157126414565_519160007894Serge E Hallyn
A pipe is essentially a double-headed inode with a buffer attached to it. We checkpoint the pipe buffer only once, as soon as we hit one side of the pipe, regardless whether it is read- or write- end