Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (231 commits)
  [PATCH] i386: Don't delete cpu_devs data to identify different x86 types in late_initcall
  [PATCH] i386: type may be unused
  [PATCH] i386: Some additional chipset register values validation.
  [PATCH] i386: Add missing !X86_PAE dependincy to the 2G/2G split.
  [PATCH] x86-64: Don't exclude asm-offsets.c in Documentation/dontdiff
  [PATCH] i386: avoid redundant preempt_disable in __unlazy_fpu
  [PATCH] i386: white space fixes in i387.h
  [PATCH] i386: Drop noisy e820 debugging printks
  [PATCH] x86-64: Fix allnoconfig error in genapic_flat.c
  [PATCH] x86-64: Shut up warnings for vfat compat ioctls on other file systems
  [PATCH] x86-64: Share identical video.S between i386 and x86-64
  [PATCH] x86-64: Remove CONFIG_REORDER
  [PATCH] x86-64: Print type and size correctly for unknown compat ioctls
  [PATCH] i386: Remove copy_*_user BUG_ONs for (size < 0)
  [PATCH] i386: Little cleanups in smpboot.c
  [PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning
  [PATCH] x86: Use RDTSCP for synchronous get_cycles if possible
  [PATCH] i386: Add X86_FEATURE_RDTSCP
  [PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386
  [PATCH] i386: Implement alternative_io for i386
  ...

Fix up trivial conflict in include/linux/highmem.h manually.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 18 insertions, 9 deletions

diff --git a/arch/i386/pci/init.c b/arch/i386/pci/init.c
index b21b6da8ab1d..1cf11af96de2 100644
--- a/arch/i386/pci/init.c
+++ b/arch/i386/pci/init.c
@@ -6,7 +6,7 @@
    in the right sequence from here. */
 static __init int pci_access_init(void)
 {
-        int type = 0;
+        int type __attribute__((unused)) = 0;
 
 #ifdef CONFIG_PCI_DIRECT
         type = pci_direct_probe();
diff --git a/arch/i386/pci/mmconfig-shared.c b/arch/i386/pci/mmconfig-shared.c
index 747d8c63b0c4..c7cabeed4d7b 100644
--- a/arch/i386/pci/mmconfig-shared.c
+++ b/arch/i386/pci/mmconfig-shared.c
@@ -60,14 +60,19 @@ static const char __init *pci_mmcfg_e7520(void)
         u32 win;
         pci_conf1_read(0, 0, PCI_DEVFN(0,0), 0xce, 2, &win);
 
-        pci_mmcfg_config_num = 1;
-        pci_mmcfg_config = kzalloc(sizeof(pci_mmcfg_config[0]), GFP_KERNEL);
-        if (!pci_mmcfg_config)
-                return NULL;
-        pci_mmcfg_config[0].address = (win & 0xf000) << 16;
-        pci_mmcfg_config[0].pci_segment = 0;
-        pci_mmcfg_config[0].start_bus_number = 0;
-        pci_mmcfg_config[0].end_bus_number = 255;
+        win = win & 0xf000;
+        if(win == 0x0000 || win == 0xf000)
+                pci_mmcfg_config_num = 0;
+        else {
+                pci_mmcfg_config_num = 1;
+                pci_mmcfg_config = kzalloc(sizeof(pci_mmcfg_config[0]), GFP_KERNEL);
+                if (!pci_mmcfg_config)
+                        return NULL;
+                pci_mmcfg_config[0].address = win << 16;
+                pci_mmcfg_config[0].pci_segment = 0;
+                pci_mmcfg_config[0].start_bus_number = 0;
+                pci_mmcfg_config[0].end_bus_number = 255;
+        }
 
         return "Intel Corporation E7520 Memory Controller Hub";
 }
@@ -108,6 +113,10 @@ static const char __init *pci_mmcfg_intel_945(void)
         if ((pciexbar & mask) & 0x0fffffffU)
                 pci_mmcfg_config_num = 0;
 
+        /* Don't hit the APIC registers and their friends */
+        if ((pciexbar & mask) >= 0xf0000000U)
+                pci_mmcfg_config_num = 0;
+
         if (pci_mmcfg_config_num) {
                 pci_mmcfg_config = kzalloc(sizeof(pci_mmcfg_config[0]), GFP_KERNEL);
                 if (!pci_mmcfg_config)