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| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2020-03-26 16:58:22 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-03-26 10:28:20 -0600 |
| commit | bf89b0bf3038cdc972b563b16c68cee1b8eefb31 (patch) | |
| tree | be86a8998acf9ec4eb3f982acb07f8087a0581bb /drivers/ata/Kconfig | |
| parent | a0ccd2511b6f70394b30f8290da8bfc723d6bc07 (diff) | |
| download | lwn-bf89b0bf3038cdc972b563b16c68cee1b8eefb31.tar.gz lwn-bf89b0bf3038cdc972b563b16c68cee1b8eefb31.zip | |
ata: make "libata.force" kernel parameter optional
Add ATA_FORCE config option (visible only if EXPERT config
option is enabled) and make "libata.force" kernel parameter
optional.
Code size savings on m68k arch using (modified) atari_defconfig:
text data bss dec hex filename
w/ CONFIG_ATA_FORCE=y:
31983 572 40 32595 7f53 drivers/ata/libata-core.o
w/ CONFIG_ATA_FROCE=n:
28958 316 32 29306 727a drivers/ata/libata-core.o
Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata/Kconfig')
| -rw-r--r-- | drivers/ata/Kconfig | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 5b55ebf56b5a..05ecdce1b702 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -51,6 +51,22 @@ config ATA_VERBOSE_ERROR If unsure, say Y. +config ATA_FORCE + bool "\"libata.force=\" kernel parameter support" if EXPERT + default y + help + This option adds support for "libata.force=" kernel parameter for + forcing configuration settings. + + For further information, please read + <file:Documentation/admin-guide/kernel-parameters.txt>. + + This option will enlarge the kernel by approx. 3KB. Disable it if + kernel size is more important than ability to override the default + configuration settings. + + If unsure, say Y. + config ATA_ACPI bool "ATA ACPI Support" depends on ACPI |