diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index e5cdf98f50c2..73604bff3d2c 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1680,33 +1680,6 @@ config DEBUG_WQ_FORCE_RR_CPU feature by default. When enabled, memory and cache locality will be impacted. -config DEBUG_BLOCK_EXT_DEVT - bool "Force extended block device numbers and spread them" - depends on DEBUG_KERNEL - depends on BLOCK - default n - help - BIG FAT WARNING: ENABLING THIS OPTION MIGHT BREAK BOOTING ON - SOME DISTRIBUTIONS. DO NOT ENABLE THIS UNLESS YOU KNOW WHAT - YOU ARE DOING. Distros, please enable this and fix whatever - is broken. - - Conventionally, block device numbers are allocated from - predetermined contiguous area. However, extended block area - may introduce non-contiguous block device numbers. This - option forces most block device numbers to be allocated from - the extended space and spreads them to discover kernel or - userland code paths which assume predetermined contiguous - device number allocation. - - Note that turning on this debug option shuffles all the - device numbers for all IDE and SCSI devices including libata - ones, so root partition specified using device number - directly (via rdev or root=MAJ:MIN) won't work anymore. - Textual device names (root=/dev/sdXn) will continue to work. - - Say N if you are unsure. - config CPU_HOTPLUG_STATE_CONTROL bool "Enable CPU hotplug state control" depends on DEBUG_KERNEL |