diff options
| author |   Christoph Hellwig <hch@lst.de> | 2021-08-24 09:52:16 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-08-24 06:42:40 -0600 |
| commit | c4b2b7d150d2b155b317b3e2f66492c6befab2b5 (patch) | |
| tree | 3f8ce9e05bbb53ba0edc05da9b0bf0f3e03d20c5 /lib/Kconfig.debug | |
| parent | block: remove a pointless call to MINOR() in device_add_disk (diff) | |
| download | linux-dev-c4b2b7d150d2b155b317b3e2f66492c6befab2b5.tar.xz linux-dev-c4b2b7d150d2b155b317b3e2f66492c6befab2b5.zip | |
block: remove CONFIG_DEBUG_BLOCK_EXT_DEVT
This might have been a neat debug aid when the extended dev_t was
added, but that time is long gone.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210824075216.1179406-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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 5ddd575159fb..22a4aa51bd58 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1679,33 +1679,6 @@ 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 |