The patch titled acpi: don't call acpi_processor_init if acpi is disabled has been added to the -mm tree. Its filename is acpi-dont-call-acpi_processor_init-if-acpi-is-disabled.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: acpi: don't call acpi_processor_init if acpi is disabled From: Yinghai Lu <yinghai@xxxxxxxxxx> Jens reported early_ioremap messages with old ASUS board... > [ 1.507461] pci 0000:00:09.0: Firmware left e100 interrupts enabled; > disabling > [ 1.532778] early_ioremap(3fffd080, 0000005c) [0] => Pid: 1, comm: > swapper Not tainted 2.6.31-rc4 #36 > [ 1.561007] Call Trace: > [ 1.568638] [<c136e48b>] ? printk+0x18/0x1d > [ 1.581734] [<c15513ff>] __early_ioremap+0x74/0x1e9 > [ 1.596898] [<c15515aa>] early_ioremap+0x1a/0x1c > [ 1.611270] [<c154a187>] __acpi_map_table+0x18/0x1a > [ 1.626451] [<c135a7f8>] acpi_os_map_memory+0x1d/0x25 > [ 1.642129] [<c119459c>] acpi_tb_verify_table+0x20/0x49 > [ 1.658321] [<c1193e50>] acpi_get_table_with_size+0x53/0xa1 > [ 1.675553] [<c1193eae>] acpi_get_table+0x10/0x15 > [ 1.690192] [<c155cc19>] acpi_processor_init+0x23/0xab > [ 1.706126] [<c1001043>] do_one_initcall+0x33/0x180 > [ 1.721279] [<c155cbf6>] ? acpi_processor_init+0x0/0xab > [ 1.737479] [<c106893a>] ? register_irq_proc+0xaa/0xc0 > [ 1.753411] [<c10689b7>] ? init_irq_proc+0x67/0x80 > [ 1.768316] [<c15405e7>] kernel_init+0x120/0x176 > [ 1.782678] [<c15404c7>] ? kernel_init+0x0/0x176 > [ 1.797062] [<c10038b7>] kernel_thread_helper+0x7/0x10 > [ 1.812984] 00000080 + ffe00000 that is rather later. acpi_gbl_permanent_mmap should be set in acpi_early_init() if acpi is not disabled and we have > [ 0.000000] ASUS P2B-DS detected: force use of acpi=ht just don't load acpi_processor_init... Reported-and-tested-by: Jens Rosenboom <jens@xxxxxxxxxxxxxxx> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx> Acked-by: Ingo Molnar <mingo@xxxxxxx> Cc: Len Brown <lenb@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/acpi/processor_core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff -puN drivers/acpi/processor_core.c~acpi-dont-call-acpi_processor_init-if-acpi-is-disabled drivers/acpi/processor_core.c --- a/drivers/acpi/processor_core.c~acpi-dont-call-acpi_processor_init-if-acpi-is-disabled +++ a/drivers/acpi/processor_core.c @@ -1137,6 +1137,9 @@ static int __init acpi_processor_init(vo { int result = 0; + if (acpi_disabled) + return 0; + memset(&errata, 0, sizeof(errata)); #ifdef CONFIG_SMP @@ -1185,6 +1188,9 @@ out_proc: static void __exit acpi_processor_exit(void) { + if (acpi_disabled) + return; + acpi_processor_ppc_exit(); acpi_thermal_cpufreq_exit(); _ Patches currently in -mm which might be from yinghai@xxxxxxxxxx are linux-next.patch acpi-dont-call-acpi_processor_init-if-acpi-is-disabled.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html