Revision be0e1e21ef707be4d16ea6a96ac9997463e4b8d2 authored by Paul E. McKenney on 21 May 2011, 12:57:18 UTC, committed by Paul E. McKenney on 20 July 2011, 04:38:53 UTC
Given some common flag combinations, particularly -Os, gcc will inline rcu_read_unlock_special() despite its being in an unlikely() clause. Use noinline to prohibit this misoptimization. In addition, move the second barrier() in __rcu_read_unlock() so that it is not on the common-case code path. This will allow the compiler to generate better code for the common-case path through __rcu_read_unlock(). Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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| File | Mode | Size |
|---|---|---|
| include | ||
| ss | ||
| .gitignore | -rw-r--r-- | 25 bytes |
| Kconfig | -rw-r--r-- | 5.1 KB |
| Makefile | -rw-r--r-- | 846 bytes |
| avc.c | -rw-r--r-- | 21.6 KB |
| exports.c | -rw-r--r-- | 682 bytes |
| hooks.c | -rw-r--r-- | 141.4 KB |
| netif.c | -rw-r--r-- | 7.2 KB |
| netlabel.c | -rw-r--r-- | 12.2 KB |
| netlink.c | -rw-r--r-- | 2.4 KB |
| netnode.c | -rw-r--r-- | 8.7 KB |
| netport.c | -rw-r--r-- | 7.1 KB |
| nlmsgtab.c | -rw-r--r-- | 6.4 KB |
| selinuxfs.c | -rw-r--r-- | 43.6 KB |
| xfrm.c | -rw-r--r-- | 10.6 KB |
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