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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-03 05:28:58 +0200 |
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| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-03 05:28:58 +0200 |
| commit | df2071bd081408318d659cd14a9cf6ff23d874c9 (patch) | |
| tree | b31291b5fd4b9f84c629833afbfaa8d431857475 /Documentation/memory-barriers.txt | |
| parent | padata: Dont scale the parallel objects with the cpus (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 (diff) | |
| download | linux-df2071bd081408318d659cd14a9cf6ff23d874c9.tar.xz linux-df2071bd081408318d659cd14a9cf6ff23d874c9.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'Documentation/memory-barriers.txt')
| -rw-r--r-- | Documentation/memory-barriers.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 7f5809eddee6..631ad2f1b229 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -3,6 +3,7 @@ ============================ By: David Howells <dhowells@redhat.com> + Paul E. McKenney <paulmck@linux.vnet.ibm.com> Contents: @@ -60,6 +61,10 @@ Contents: - And then there's the Alpha. + (*) Example uses. + + - Circular buffers. + (*) References. @@ -2226,6 +2231,21 @@ The Alpha defines the Linux kernel's memory barrier model. See the subsection on "Cache Coherency" above. +============ +EXAMPLE USES +============ + +CIRCULAR BUFFERS +---------------- + +Memory barriers can be used to implement circular buffering without the need +of a lock to serialise the producer with the consumer. See: + + Documentation/circular-buffers.txt + +for details. + + ========== REFERENCES ========== |