On Wednesday 06 February 2008 19:23, Éric Piel wrote: > 07/02/08 01:15, Len Brown wrote/a écrit: > > On Sunday 03 February 2008 12:28, Éric Piel wrote: > >> Hello, > >> > >> Here are three patches to implement the override of DSDT via initramfs. > >> I haven't included the feature for overriding the SSDTs as it's seems > >> it's still a bit controversial, and anyway for now there is very little > >> need for it. It should be fairly trivial to add it later if need arises. > >> > >> The patches are against 2.6.24-git-du-jour, and they have been > >> boot-tested on my laptop. > > > > Thanks Eric, > > I'll take Thomas, Carlos and my comments and my comments > > and try to address them w/ a follow-up patch tonight. > > > > -Len > Ah, Great! Just for info, I had started answering the comments from Thomas and Carlos. Here is my proposed version as description for Kconfig: > > With this feature you will be able to provide a customized DSDT by > adding it to your initramfs. Overriding of the DSDT is mainly thought > for developing/testing purposes! If you have problems with ACPI on > your machine and you have fixed it up by modifying the DSDT, do not > override the DSDT as a long term solution. E.g. if you add new > memory to your machine, the modified DSDT will not work (BIOS would > generate a slightly adjusted one). Always report bugs in a DSDT to > your computer vendor and to bugzilla.kernel.org (assigned to the ACPI > component). > > In case your mkinitrd tool does not support this feature, a script is > provided in the documentation. For more details on this option see > <file:Documentation/dsdt-initrd.txt>. > > If you feel like tinkering with the DSDT or might have to test a > corrected DSDT one day select this option. It is safe to say Y here. > > You can use it as inspiration ;-) More over, I was thinking of adding a note in dsdt-initrd.txt like this: > > Do note that > the format of the table included in the initramfs is binary (iasl -ta), while > if you include the DSDT straight inside the kernel, the format is hexadecimal > (iasl -tc). i think we can add that to the detailed how-to, which I'd rather have on a web page with a pointer to the latest tools etc. (yes, i hold the pen on the web page too:-) let me send those patches now before dinner break... thanks, -Len - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
