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* ACPI: Remove ACPI_CUSTOM_DSDT_INITRD optionLinus Torvalds2008-03-152-53/+2
| | | | | | | | | | | | | | | | | | | | | | | | | This essentially reverts commit 71fc47a9adf8ee89e5c96a47222915c5485ac437 ("ACPI: basic initramfs DSDT override support"), because the code simply isn't ready. It did ugly things to the init sequence to populate the rootfs image early, but that just ended up showing other problems with the whole approach. The fact is, the VFS layer simply isn't initialized this early, and the relevant ACPI code should either run much later, or this shouldn't be done at all. For 2.6.25, we'll just pick the latter option. We can revisit this concept later if necessary. Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Tilman Schmidt <tilman@imap.cc> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Thomas Renninger <trenn@suse.de> Cc: Eric Piel <eric.piel@tremplin-utc.net> Cc: Len Brown <len.brown@intel.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Markus Gaugusch <dsdt@gaugusch.at> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branches 'release' and 'dsdt-override' into releaseLen Brown2008-02-072-0/+58
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| * ACPI: update DSDT override documentationLen Brown2008-02-073-99/+58
| | | | | | | | Signed-off-by: Len Brown <len.brown@intel.com>
| * ACPI: basic initramfs DSDT override supportMarkus Gaugusch2008-02-061-0/+99
| | | | | | | | | | | | | | | The basics of DSDT from initramfs. In case this option is selected, populate_rootfs() is called a bit earlier to have the initramfs content available during ACPI initialization. This is a very similar path to the one available at http://gaugusch.at/kernel.shtml but with some update in the documentation, default set to No and the change of populate_rootfs() the "Jeff Mahony way" (which avoids reading the initramfs twice). Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Len Brown <len.brown@intel.com>
* ACPI: document method tracing hooksLen Brown2007-11-191-0/+26
Signed-off-by: Len Brown <len.brown@intel.com>