Merge tag 'smp-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-block.git] / Documentation / admin-guide / kernel-parameters.txt
index a38d55b6482cd178dbb3cd2f5902eca937ac48ca..b1453e0e3c9554cabd39cc6270d292dcdb24d81c 100644 (file)
        cs89x0_media=   [HW,NET]
                        Format: { rj45 | aui | bnc }
 
-       csdlock_debug=  [KNL] Enable debug add-ons of cross-CPU function call
-                       handling. When switched on, additional debug data is
-                       printed to the console in case a hanging CPU is
-                       detected, and that CPU is pinged again in order to try
-                       to resolve the hang situation.
-                       0: disable csdlock debugging (default)
-                       1: enable basic csdlock debugging (minor impact)
-                       ext: enable extended csdlock debugging (more impact,
-                            but more data)
+       csdlock_debug=  [KNL] Enable or disable debug add-ons of cross-CPU
+                       function call handling. When switched on,
+                       additional debug data is printed to the console
+                       in case a hanging CPU is detected, and that
+                       CPU is pinged again in order to try to resolve
+                       the hang situation.  The default value of this
+                       option depends on the CSD_LOCK_WAIT_DEBUG_DEFAULT
+                       Kconfig option.
 
        dasd=           [HW,NET]
                        See header of drivers/s390/block/dasd_devmap.c.