Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, gart: fix gart detection for Fam11h CPUs
  x86: 64 bit print out absent pages num too
  x86, kdump: fix invalid access on i386 sparsemem
  x86: fix APIC_DEBUG with inquire_remote_apic
  x86: AMD microcode patch loader author update
  x86: microcode patch loader author update
  mailmap: add Peter Oruba
  x86, bts: improve help text for BTS config
  doc/x86: fix doc subdirs

diff --git a/.mailmap b/.mailmap
index eba9bf953ef5bc2e21bc670d33c845a8483e20a6..97f7b4fb61398e2b0d4e3e6c2fc030f383849b39 100644 (file)
--- a/.mailmap
+++ b/.mailmap
@@ -80,6 +80,8 @@ Nguyen Anh Quynh <aquynh@gmail.com>
 Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
 Patrick Mochel <mochel@digitalimplant.org>
 Peter A Jonsson <pj@ludd.ltu.se>
+Peter Oruba <peter@oruba.de>
+Peter Oruba <peter.oruba@amd.com>
 Praveen BP <praveenbp@ti.com>
 Rajesh Shah <rajesh.shah@intel.com>
 Ralf Baechle <ralf@linux-mips.org>

diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX
index 7286ad090db7b81242b223786d897a4518db2a1d..edef85ce1195e0a0e98f2f135d4051c1b5844947 100644 (file)
--- a/Documentation/00-INDEX
+++ b/Documentation/00-INDEX
@@ -172,7 +172,7 @@ i2c/
        - directory with info about the I2C bus/protocol (2 wire, kHz speed).
 i2o/
        - directory with info about the Linux I2O subsystem.
-i386/
+x86/i386/
        - directory with info about Linux on Intel 32 bit architecture.
 ia64/
        - directory with info about Linux on Intel 64 bit architecture.
@@ -382,7 +382,7 @@ w1/
        - directory with documents regarding the 1-wire (w1) subsystem.
 watchdog/
        - how to auto-reboot Linux if it has "fallen and can't get up". ;-)
-x86_64/
+x86/x86_64/
        - directory with info on Linux support for AMD x86-64 (Hammer) machines.
 zorro.txt
        - info on writing drivers for Zorro bus devices found on Amigas.

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 343e0f0f84b60e9f62bcdef4963f5c8912073c8a..1bbcaa8982b6c2445fcfdd852f9e33702129cd8b 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -100,7 +100,7 @@ parameter is applicable:
        X86-32  X86-32, aka i386 architecture is enabled.
        X86-64  X86-64 architecture is enabled.
                        More X86-64 boot options can be found in
-                       Documentation/x86_64/boot-options.txt .
+                       Documentation/x86/x86_64/boot-options.txt .
        X86     Either 32bit or 64bit x86 (same as X86-32+X86-64)
 
 In addition, the following text indicates that the option:
@@ -112,10 +112,10 @@ In addition, the following text indicates that the option:
 Parameters denoted with BOOT are actually interpreted by the boot
 loader, and have no meaning to the kernel directly.
 Do not modify the syntax of boot loader parameters without extreme
-need or coordination with <Documentation/i386/boot.txt>.
+need or coordination with <Documentation/x86/i386/boot.txt>.
 
 There are also arch-specific kernel-parameters not documented here.
-See for example <Documentation/x86_64/boot-options.txt>.
+See for example <Documentation/x86/x86_64/boot-options.txt>.
 
 Note that ALL kernel parameters listed below are CASE SENSITIVE, and that
 a trailing = on the name of any parameter states that that parameter will
@@ -1222,7 +1222,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
        mce             [X86-32] Machine Check Exception
 
-       mce=option      [X86-64] See Documentation/x86_64/boot-options.txt
+       mce=option      [X86-64] See Documentation/x86/x86_64/boot-options.txt
 
        md=             [HW] RAID subsystems devices and level
                        See Documentation/md.txt.
@@ -1728,7 +1728,7 @@ and is between 256 and 4096 characters. It is defined in the file
                        See Documentation/paride.txt.
 
        pirq=           [SMP,APIC] Manual mp-table setup
-                       See Documentation/i386/IO-APIC.txt.
+                       See Documentation/x86/i386/IO-APIC.txt.
 
        plip=           [PPT,NET] Parallel port network link
                        Format: { parport<nr> | timid | 0 }
@@ -2343,7 +2343,7 @@ and is between 256 and 4096 characters. It is defined in the file
                        See Documentation/fb/modedb.txt.
 
        vga=            [BOOT,X86-32] Select a particular video mode
-                       See Documentation/i386/boot.txt and
+                       See Documentation/x86/i386/boot.txt and
                        Documentation/svga.txt.
                        Use vga=ask for menu.
                        This is actually a boot loader parameter; the value is

diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c
index 7228369d1014b956ff3c8843d8ef642a225682b3..da86fd53856a5fddc5b0034cb9b4cd11eb25bb27 100644 (file)
--- a/Documentation/lguest/lguest.c
+++ b/Documentation/lguest/lguest.c
@@ -402,7 +402,7 @@ static unsigned long load_bzimage(int fd)
        void *p = from_guest_phys(0x100000);
 
        /* Go back to the start of the file and read the header.  It should be
-        * a Linux boot header (see Documentation/i386/boot.txt) */
+        * a Linux boot header (see Documentation/x86/i386/boot.txt) */
        lseek(fd, 0, SEEK_SET);
        read(fd, &boot, sizeof(boot));
 

diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt
index 72ffb5373ec73ac9ee8c9d05491effa7b5f8a42c..f6d561a1a9b2d3d022baf17bb05138485fb32130 100644 (file)
--- a/Documentation/x86/x86_64/boot-options.txt
+++ b/Documentation/x86/x86_64/boot-options.txt
@@ -35,7 +35,7 @@ APICs
 
    nolapic      Don't use the local APIC (alias for i386 compatibility)
 
-   pirq=...     See Documentation/i386/IO-APIC.txt
+   pirq=...     See Documentation/x86/i386/IO-APIC.txt
 
    noapictimer  Don't set up the APIC timer
 
@@ -139,7 +139,7 @@ Non Executable Mappings
 SMP
 
   additional_cpus=NUM Allow NUM more CPUs for hotplug
-                (defaults are specified by the BIOS, see Documentation/x86_64/cpu-hotplug-spec)
+                (defaults are specified by the BIOS, see Documentation/x86/x86_64/cpu-hotplug-spec)
 
 NUMA
 

diff --git a/Documentation/x86/x86_64/fake-numa-for-cpusets b/Documentation/x86/x86_64/fake-numa-for-cpusets
index d1a985c5b00a36c5b141deda81addb8a6279da2e..33bb56655991421f8a5e7e24f695eab0ce73fe63 100644 (file)
--- a/Documentation/x86/x86_64/fake-numa-for-cpusets
+++ b/Documentation/x86/x86_64/fake-numa-for-cpusets
@@ -10,7 +10,7 @@ amount of system memory that are available to a certain class of tasks.
 For more information on the features of cpusets, see Documentation/cpusets.txt.
 There are a number of different configurations you can use for your needs.  For
 more information on the numa=fake command line option and its various ways of
-configuring fake nodes, see Documentation/x86_64/boot-options.txt.
+configuring fake nodes, see Documentation/x86/x86_64/boot-options.txt.
 
 For the purposes of this introduction, we'll assume a very primitive NUMA
 emulation setup of "numa=fake=4*512,".  This will split our system memory into

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 0b7c4a3f0651e8e03e7f0c8ea3083bab77775812..b815664fe3700b77aa031fab7711be4128c858d1 100644 (file)
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -513,19 +513,19 @@ config CPU_SUP_UMC_32
          If unsure, say N.
 
 config X86_DS
-       bool "Debug Store support"
-       default y
-       help
-         Add support for Debug Store.
-         This allows the kernel to provide a memory buffer to the hardware
-         to store various profiling and tracing events.
+       def_bool X86_PTRACE_BTS
+       depends on X86_DEBUGCTLMSR
 
 config X86_PTRACE_BTS
-       bool "ptrace interface to Branch Trace Store"
+       bool "Branch Trace Store"
        default y
-       depends on (X86_DS && X86_DEBUGCTLMSR)
+       depends on X86_DEBUGCTLMSR
        help
-         Add a ptrace interface to allow collecting an execution trace
-         of the traced task.
-         This collects control flow changes in a (cyclic) buffer and allows
-         debuggers to fill in the gaps and show an execution trace of the debuggee.
+         This adds a ptrace interface to the hardware's branch trace store.
+
+         Debuggers may use it to collect an execution trace of the debugged
+         application in order to answer the question 'how did I get here?'.
+         Debuggers may trace user mode as well as kernel mode.
+
+         Say Y unless there is no application development on this machine
+         and you want to save a small amount of code size.

diff --git a/arch/x86/include/asm/es7000/wakecpu.h b/arch/x86/include/asm/es7000/wakecpu.h
index 3ffc5a7bf6677e54bb1ec2e1ff53574c63b83d47..3984934619136119dfd7d95045d5930ab415e917 100644 (file)
--- a/arch/x86/include/asm/es7000/wakecpu.h
+++ b/arch/x86/include/asm/es7000/wakecpu.h
@@ -50,10 +50,9 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
 {
 }
 
-#if APIC_DEBUG
- #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid)
-#else
- #define inquire_remote_apic(apicid) {}
-#endif
+#define inquire_remote_apic(apicid) do {               \
+               if (apic_verbosity >= APIC_DEBUG)       \
+                       __inquire_remote_apic(apicid);  \
+       } while (0)
 
 #endif /* __ASM_MACH_WAKECPU_H */

diff --git a/arch/x86/include/asm/mach-default/mach_wakecpu.h b/arch/x86/include/asm/mach-default/mach_wakecpu.h
index d5c0b826a4ff2c742d887520a1585876bc5d26f1..9d80db91e9926f040445ebffeb44cac66ce8f4d3 100644 (file)
--- a/arch/x86/include/asm/mach-default/mach_wakecpu.h
+++ b/arch/x86/include/asm/mach-default/mach_wakecpu.h
@@ -33,10 +33,9 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
 {
 }
 
-#if APIC_DEBUG
- #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid)
-#else
- #define inquire_remote_apic(apicid) {}
-#endif
+#define inquire_remote_apic(apicid) do {               \
+               if (apic_verbosity >= APIC_DEBUG)       \
+                       __inquire_remote_apic(apicid);  \
+       } while (0)
 
 #endif /* _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H */

diff --git a/arch/x86/kernel/k8.c b/arch/x86/kernel/k8.c
index 304d8bad6559f94f0e278e80496ca841741574b4..cbc4332a77b25927947d18c69f47188465a29d3e 100644 (file)
--- a/arch/x86/kernel/k8.c
+++ b/arch/x86/kernel/k8.c
@@ -18,7 +18,6 @@ static u32 *flush_words;
 struct pci_device_id k8_nb_ids[] = {
        { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB_MISC) },
        { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) },
-       { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_11H_NB_MISC) },
        {}
 };
 EXPORT_SYMBOL(k8_nb_ids);

diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c
index 0732adba05ca95bfaf851d3d2193df5074478482..7a385746509a2a625991447e8554a20b4d992c54 100644 (file)
--- a/arch/x86/kernel/machine_kexec_32.c
+++ b/arch/x86/kernel/machine_kexec_32.c
@@ -162,7 +162,10 @@ void machine_kexec(struct kimage *image)
        page_list[VA_PTE_0] = (unsigned long)kexec_pte0;
        page_list[PA_PTE_1] = __pa(kexec_pte1);
        page_list[VA_PTE_1] = (unsigned long)kexec_pte1;
-       page_list[PA_SWAP_PAGE] = (page_to_pfn(image->swap_page) << PAGE_SHIFT);
+
+       if (image->type == KEXEC_TYPE_DEFAULT)
+               page_list[PA_SWAP_PAGE] = (page_to_pfn(image->swap_page)
+                                               << PAGE_SHIFT);
 
        /* The segment registers are funny things, they have both a
         * visible and an invisible part.  Whenever the visible part is

diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 7a1f8eeac2c7c212712666b797eb55f4c2f43d83..5f8e5d75a254621799bff0138430fd2344b918a7 100644 (file)
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -39,7 +39,7 @@
 #include <asm/microcode.h>
 
 MODULE_DESCRIPTION("AMD Microcode Update Driver");
-MODULE_AUTHOR("Peter Oruba <peter.oruba@amd.com>");
+MODULE_AUTHOR("Peter Oruba");
 MODULE_LICENSE("GPL v2");
 
 #define UCODE_MAGIC                0x00414d44

diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index 936d8d55f2301626fb57b522e08d5899a6a245b9..82fb2809ce32208eacd7231c38597938031d4036 100644 (file)
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -480,8 +480,8 @@ static int __init microcode_init(void)
 
        printk(KERN_INFO
               "Microcode Update Driver: v" MICROCODE_VERSION
-              " <tigran@aivazian.fsnet.co.uk>"
-              " <peter.oruba@amd.com>\n");
+              " <tigran@aivazian.fsnet.co.uk>,"
+              " Peter Oruba\n");
 
        return 0;
 }

diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index e3f75bbcedea9287d8941897004e25159b3e9796..a42b02b4df68855714b4ea2f7f3e580e0327e7b3 100644 (file)
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -744,7 +744,7 @@ void __init gart_iommu_init(void)
        long i;
 
        if (cache_k8_northbridges() < 0 || num_k8_northbridges == 0) {
-               printk(KERN_INFO "PCI-GART: No AMD northbridge found.\n");
+               printk(KERN_INFO "PCI-GART: No AMD GART found.\n");
                return;
        }
 

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index f79a02f64d108dde4de4a35055240f64fae2371b..ad38648bddbd3b66862c5418231c197c2dd3167e 100644 (file)
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -884,6 +884,7 @@ static struct kcore_list kcore_mem, kcore_vmalloc, kcore_kernel,
 void __init mem_init(void)
 {
        long codesize, reservedpages, datasize, initsize;
+       unsigned long absent_pages;
 
        start_periodic_check_for_corruption();
 
@@ -899,8 +900,9 @@ void __init mem_init(void)
 #else
        totalram_pages = free_all_bootmem();
 #endif
-       reservedpages = max_pfn - totalram_pages -
-                                       absent_pages_in_range(0, max_pfn);
+
+       absent_pages = absent_pages_in_range(0, max_pfn);
+       reservedpages = max_pfn - totalram_pages - absent_pages;
        after_bootmem = 1;
 
        codesize =  (unsigned long) &_etext - (unsigned long) &_text;
@@ -917,10 +919,11 @@ void __init mem_init(void)
                                 VSYSCALL_END - VSYSCALL_START);
 
        printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
-                               "%ldk reserved, %ldk data, %ldk init)\n",
+                        "%ldk absent, %ldk reserved, %ldk data, %ldk init)\n",
                (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
                max_pfn << (PAGE_SHIFT-10),
                codesize >> 10,
+               absent_pages << (PAGE_SHIFT-10),
                reservedpages << (PAGE_SHIFT-10),
                datasize >> 10,
                initsize >> 10);