[PATCH] revert "insert IOAPIC(s) and Local APIC into resource map"

Commit 54dbc0c9ebefb38840c6b07fa6eabaeb96c921f5 is causing various
people's machines to fail to map PCI resources.

Revert it in preparation for addressing the show-APICs-in-/proc/iomem
requirement in a different manner.

Cc: Aaron Durbin <adurbin@google.com>
Cc: Andi Kleen <ak@muc.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 135ff25e6b449ad613671756ff3ba0c0b37ae018..6472e321cad7d0d6d682cf8e846a7f48ea761086 100644 (file)
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -25,7 +25,6 @@
 #include <linux/kernel_stat.h>
 #include <linux/sysdev.h>
 #include <linux/module.h>
-#include <linux/ioport.h>
 
 #include <asm/atomic.h>
 #include <asm/smp.h>
@@ -46,11 +45,6 @@ int apic_calibrate_pmtmr __initdata;
 
 int disable_apic_timer __initdata;
 
-static struct resource lapic_resource = {
-       .name = "Local APIC",
-       .flags = IORESOURCE_MEM | IORESOURCE_BUSY,
-};
-
 /*
  * cpu_mask that denotes the CPUs that needs timer interrupt coming in as
  * IPIs in place of local APIC timers
@@ -591,40 +585,6 @@ static int __init detect_init_APIC (void)
        return 0;
 }
 
-#ifdef CONFIG_X86_IO_APIC
-static struct resource * __init ioapic_setup_resources(void)
-{
-#define IOAPIC_RESOURCE_NAME_SIZE 11
-       unsigned long n;
-       struct resource *res;
-       char *mem;
-       int i;
-
-       if (nr_ioapics <= 0)
-               return NULL;
-
-       n = IOAPIC_RESOURCE_NAME_SIZE + sizeof(struct resource);
-       n *= nr_ioapics;
-
-       res = alloc_bootmem(n);
-
-       if (!res)
-               return NULL;
-
-       memset(res, 0, n);
-       mem = (void *)&res[nr_ioapics];
-
-       for (i = 0; i < nr_ioapics; i++) {
-               res[i].name = mem;
-               res[i].flags = IORESOURCE_MEM | IORESOURCE_BUSY;
-               snprintf(mem, IOAPIC_RESOURCE_NAME_SIZE, "IOAPIC %u", i);
-               mem += IOAPIC_RESOURCE_NAME_SIZE;
-       }
-
-       return res;
-}
-#endif
-
 void __init init_apic_mappings(void)
 {
        unsigned long apic_phys;
@@ -644,11 +604,6 @@ void __init init_apic_mappings(void)
        apic_mapped = 1;
        apic_printk(APIC_VERBOSE,"mapped APIC to %16lx (%16lx)\n", APIC_BASE, apic_phys);
 
-       /* Put local APIC into the resource map. */
-       lapic_resource.start = apic_phys;
-       lapic_resource.end = lapic_resource.start + PAGE_SIZE - 1;
-       insert_resource(&iomem_resource, &lapic_resource);
-
        /*
         * Fetch the APIC ID of the BSP in case we have a
         * default configuration (or the MP table is broken).
@@ -658,9 +613,7 @@ void __init init_apic_mappings(void)
        {
                unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
                int i;
-               struct resource *ioapic_res;
 
-               ioapic_res = ioapic_setup_resources();
                for (i = 0; i < nr_ioapics; i++) {
                        if (smp_found_config) {
                                ioapic_phys = mp_ioapics[i].mpc_apicaddr;
@@ -672,13 +625,6 @@ void __init init_apic_mappings(void)
                        apic_printk(APIC_VERBOSE,"mapped IOAPIC to %016lx (%016lx)\n",
                                        __fix_to_virt(idx), ioapic_phys);
                        idx++;
-
-                       if (ioapic_res) {
-                               ioapic_res->start = ioapic_phys;
-                               ioapic_res->end = ioapic_phys + (4 * 1024) - 1;
-                               insert_resource(&iomem_resource, ioapic_res);
-                               ioapic_res++;
-                       }
                }
        }
 }