The following excerpt is taken from the website https://lwn.net/Articles/262464/ and it is dealing with read-inconsistencies of shared data structures ...
The core RCU APIs in the Linux kernel applies to all clients in the kernel, which means any reader (even if they are accessing totally unrelated data ...
After successful installation of Oracle SOA Suite 12c, I'm trying to install RCU. When I try to execute an RCU batch file from the command prompt, I ...
In our development environment, developers have created too many RCU schemas for Weblogic Domain. Many of these developers have now left the organizat ...
As per the RCU documentation (I believe kernel and userspace RCU frameworks are similar), synchronize_rcu() waits for all the readers (who started bef ...
I store a RCU protected pointer MyStruct *, in a RCU protected hashtable MyHash. When reading/updating MyStruct via hashtable, I do as shown below. ...
I'm trying to understand rcu_read_lock() synchronization mechanism. From what I understand, rcu_read_lock() is used, where there are several read thre ...
I wonder nf_conntrack_find_get() that really protect ct pointer by RCU in linux kernel. Read-Copy-Update(RCU) can protect to access(read) node rcu_re ...
On a preemptible SMP kernel, rcu_read_lock compiles the following: With barrier being a compiler directive that compiles to nothing. So, according ...
The local_bh_disable-function changes per-cpu (in case of x86 and recent kernels) __preempt_count or current_thread_info()->preempt_count otherwise ...
I came up with an idea I am trying to implement for a lock free stack that does not rely on reference counting to resolve the ABA problem, and also ha ...
I want to call hlist_nulls_add_head_rcu to manage my list, however gcc gives lots of error messages as following: I think the most useful message i ...
I am reading the kernel source code and try to understand the mechanism of ip conntrack. How to understand the function get_next_corpse that increases ...
I want to configure OIM < Oracle Identity and Access Management , so I followed the bellow instruction: Installation of fmw_12.2.1.3.0_infrastr ...
At begin, I have one CPU core to be a writer to write shared data and one core to be reader to read shared data. I need reader to write back some data ...
I would appreciate any piece of advice on how can I resolve following: My CMakeLists.txt: The part with liburcu is copied from https://github.co ...
I have a question about RCU lock. As far as I know, RCU allows some readers (which started before grace period and ends in grace period) to have eith ...
I write a code which rarely creates/removes objects (up to several thousands) but very frequently modifies them in soft IRQ context. These objects are ...
I'm reading about Read-copy-update (RCU). I'm not sure if I understood it correctly in case of SMP. As far as I know RCU ensures that Update is execut ...
Can any one explain what is the difference between rcu_dereference() and rcu_dereference_protected()? rcu_dereference() contains barrier code and rcu ...