Messages in this thread | | | Subject | RE: Userspace ACPI interpreter ( was RE: [ACPI] [RFC] dev_acpi: support for userspace access to acpi) | Date | Fri, 29 Oct 2004 10:40:58 +0800 | From | "Yu, Luming" <> |
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> >On Thu, Oct 28, 2004 at 01:37:52AM -0400, Len Brown wrote: >> One way to experiment with a user-mode ACPI interpreter would be to >> continue to use the kernel-mode interpreter for boot up , >and cut over >> to the user-mode interpreter at /sbin/init. The kernel-mode >interpreter >> could be sent the way of free_initmem() which is called just before >> /sbin/init is invoked. > >Is there a significant advantage to doing having a user-mode ACPI >interpreter? The only advantage I can think of is that the ACPI >interpreter could now live in pageable memory. Are there any others?
One reason for kernel-mode interpreter is to live in unpageable memory.
User-mode ACPI interpreter advantages:
1. Without losing platform functionality, user-mode interpreter can make kernel less complex, thus more stronger.
2. Kernel can release from AML issues. ...
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