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| Filename | Latest commit message | Latest commit date |
|---|---|---|
7088efa913
The code in __d_alloc() carefully orders filling in the NUL character of the name (and the length, hash, and the name itself) with assigning of the name itself. However, prepend_name() does not order the accesses to the ->name and ->len fields, other than on TSO systems. This commit therefore replaces prepend_name()'s READ_ONCE() of ->name with an smp_load_acquire(), which orders against the subsequent READ_ONCE() of ->len. Because READ_ONCE() now incorporates smp_read_barrier_depends(), prepend_name()'s smp_read_barrier_depends() is removed. Finally, to save a line, the smp_wmb()/store pair in __d_alloc() is replaced by smp_store_release(). Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: <linux-fsdevel@vger.kernel.org> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.