On 07/21/2015 07:31 AM, Graeme Gregory wrote: > Hi, > > I thought I would send this patch as an RFC. It is something I did when > another linaro engineer was modifying acpica-tools to not require /dev/mem. > > It exports the 3 tables that are not currenly exported in sysfs. > > Currently I do not think there is any user of this because acpica-tools can > can recover the information in the other tables without these three being > exported, fwts also works fine without the patch so the only use case I have > is the vague "might be useful for debug"
Right -- and I personally would like to have that debug use case. AFAICT, the RSDP and RSDT/XSDT are recreated by acpidump; i.e., based on knowledge of the mapped tables, acpidump builds what it believes these tables should look like. But, the /dev/mem mappings would give me what ACPI is actually using (what was directly passed to the kernel). Should there be a bug in table mapping or ACPI startup, this info might help. -- ciao, al ----------------------------------- Al Stone Software Engineer Red Hat, Inc. a...@redhat.com ----------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
