X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=blobdiff_plain;f=Documentation%2Flocal_ops.txt;h=300da4bdfdbd703c4809bc4b3ec5433dfe634d1e;hp=4269a1105b378fafcc689435a2531b9d9d4287db;hb=b2e75eff5e859d0c294e7405958362b26a423c6e;hpb=0e1ccb9619e8e9ae86dfc5a4645ccf3bf5a2eb3f diff --git a/Documentation/local_ops.txt b/Documentation/local_ops.txt index 4269a11..300da4b 100644 --- a/Documentation/local_ops.txt +++ b/Documentation/local_ops.txt @@ -34,9 +34,9 @@ out of order wrt other memory writes by the owner CPU. It can be done by slightly modifying the standard atomic operations : only their UP variant must be kept. It typically means removing LOCK prefix (on -i386 and x86_64) and any SMP sychronization barrier. If the architecture does +i386 and x86_64) and any SMP synchronization barrier. If the architecture does not have a different behavior between SMP and UP, including asm-generic/local.h -in your archtecture's local.h is sufficient. +in your architecture's local.h is sufficient. The local_t type is defined as an opaque signed long by embedding an atomic_long_t inside a structure. This is made so a cast from this type to a @@ -149,7 +149,7 @@ static void do_test_timer(unsigned long data) int cpu; /* Increment the counters */ - on_each_cpu(test_each, NULL, 0, 1); + on_each_cpu(test_each, NULL, 1); /* Read all the counters */ printk("Counters read from CPU %d\n", smp_processor_id()); for_each_online_cpu(cpu) {