From: "Paul E. McKenney" This just catches the RCU torture documentation up with the recent fixes that test RCU for architectures that turn of the scheduling-clock interrupt for idle CPUs and the addition of a SUCCESS/FAILURE indication, fixing up an obsolete comment as well. Signed-off-by: Paul E. McKenney Signed-off-by: Andrew Morton --- Documentation/RCU/torture.txt | 12 +++++++++++- kernel/rcutorture.c | 2 +- 2 files changed, 12 insertions(+), 2 deletions(-) diff -puN Documentation/RCU/torture.txt~rcutorture-catchup-doc-fixes-for-idle-hz-tests Documentation/RCU/torture.txt --- a/Documentation/RCU/torture.txt~rcutorture-catchup-doc-fixes-for-idle-hz-tests +++ a/Documentation/RCU/torture.txt @@ -35,6 +35,15 @@ stat_interval The number of seconds betw be printed -only- when the module is unloaded, and this is the default. +shuffle_interval + The number of seconds to keep the test threads affinitied + to a particular subset of the CPUs. Used in conjunction + with test_no_idle_hz. + +test_no_idle_hz Whether or not to test the ability of RCU to operate in + a kernel that disables the scheduling-clock interrupt to + idle CPUs. Boolean parameter, "1" to test, "0" otherwise. + verbose Enable debug printk()s. Default is disabled. @@ -119,4 +128,5 @@ The following script may be used to tort The output can be manually inspected for the error flag of "!!!". One could of course create a more elaborate script that automatically -checked for such errors. +checked for such errors. The "rmmod" command forces a "SUCCESS" or +"FAILURE" indication to be printk()ed. diff -puN kernel/rcutorture.c~rcutorture-catchup-doc-fixes-for-idle-hz-tests kernel/rcutorture.c --- a/kernel/rcutorture.c~rcutorture-catchup-doc-fixes-for-idle-hz-tests +++ a/kernel/rcutorture.c @@ -1,5 +1,5 @@ /* - * Read-Copy Update /proc-based torture test facility + * Read-Copy Update module-based torture test facility * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by _