Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86

* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
  x86: Dump filtering supports x86_64 sparsemem
  x86: fix compiler warnings in arch/x86/kernel/early-quirks.c
  x86: fix !SMP compiler warning in arch/x86/kernel/acpi/processor.c
  x86: Fix boot protocol KEEP_SEGMENTS check.
  x86: voyager: fix bogus conversion to per_cpu for boot_cpu_info
  x86: export smp_ops to allow modular build of KVM
  Revert "i386: export i386 smp_call_function_mask() to modules"

diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index a0ae2e7..036e635 100644 (file)
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -33,24 +33,20 @@
        .globl startup_32
 
 startup_32:
-       /* check to see if KEEP_SEGMENTS flag is meaningful */
-       cmpw $0x207, BP_version(%esi)
-       jb 1f
-
+       cld
        /* test KEEP_SEGMENTS flag to see if the bootloader is asking
         * us to not reload segments */
        testb $(1<<6), BP_loadflags(%esi)
-       jnz 2f
+       jnz 1f
 
-1:     cli
+       cli
        movl $(__BOOT_DS),%eax
        movl %eax,%ds
        movl %eax,%es
        movl %eax,%fs
        movl %eax,%gs
        movl %eax,%ss
-
-2:     cld
+1:
 
 /* Calculate the delta between where we were compiled to run
  * at and where we were actually loaded at.  This can only be done

diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 4946764..1ccb38a 100644 (file)
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -29,6 +29,7 @@
 #include <asm/pgtable.h>
 #include <asm/page.h>
 #include <asm/msr.h>
+#include <asm/asm-offsets.h>
 
 .section ".text.head"
        .code32
@@ -36,11 +37,17 @@
 
 startup_32:
        cld
+       /* test KEEP_SEGMENTS flag to see if the bootloader is asking
+        * us to not reload segments */
+       testb $(1<<6), BP_loadflags(%esi)
+       jnz 1f
+
        cli
        movl    $(__KERNEL_DS), %eax
        movl    %eax, %ds
        movl    %eax, %es
        movl    %eax, %ss
+1:
 
 /* Calculate the delta between where we were compiled to run
  * at and where we were actually loaded at.  This can only be done

diff --git a/arch/x86/kernel/acpi/processor.c b/arch/x86/kernel/acpi/processor.c
index 2ed0a4c..f63e5ff 100644 (file)
--- a/arch/x86/kernel/acpi/processor.c
+++ b/arch/x86/kernel/acpi/processor.c
@@ -62,8 +62,7 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
 /* Initialize _PDC data based on the CPU vendor */
 void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
 {
-       unsigned int cpu = pr->id;
-       struct cpuinfo_x86 *c = &cpu_data(cpu);
+       struct cpuinfo_x86 *c = &cpu_data(pr->id);
 
        pr->pdc = NULL;
        if (c->x86_vendor == X86_VENDOR_INTEL)

diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index 7e50bda..d1b6ed9 100644 (file)
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -15,12 +15,16 @@
 #include <asm/segment.h>
 #include <asm/thread_info.h>
 #include <asm/ia32.h>
+#include <asm/bootparam.h>
 
 #define DEFINE(sym, val) \
         asm volatile("\n->" #sym " %0 " #val : : "i" (val))
 
 #define BLANK() asm volatile("\n->" : : )
 
+#define OFFSET(sym, str, mem) \
+       DEFINE(sym, offsetof(struct str, mem))
+
 #define __NO_STUBS 1
 #undef __SYSCALL
 #undef _ASM_X86_64_UNISTD_H_
@@ -109,5 +113,11 @@ int main(void)
        DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));
        BLANK();
        DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
+
+       BLANK();
+       OFFSET(BP_scratch, boot_params, scratch);
+       OFFSET(BP_loadflags, boot_params, hdr.loadflags);
+       OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
+       OFFSET(BP_version, boot_params, hdr.version);
        return 0;
 }

diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index dc34acb..639e632 100644 (file)
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -35,12 +35,14 @@ static void __init via_bugs(void)
 }
 
 #ifdef CONFIG_ACPI
+#ifdef CONFIG_X86_IO_APIC
 
 static int __init nvidia_hpet_check(struct acpi_table_header *header)
 {
        return 0;
 }
-#endif
+#endif /* CONFIG_X86_IO_APIC */
+#endif /* CONFIG_ACPI */
 
 static void __init nvidia_bugs(void)
 {

diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c
index 0d8577f..aa3d2c8 100644 (file)
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -233,6 +233,8 @@ NORET_TYPE void machine_kexec(struct kimage *image)
 
 void arch_crash_save_vmcoreinfo(void)
 {
+       VMCOREINFO_SYMBOL(init_level4_pgt);
+
 #ifdef CONFIG_ARCH_DISCONTIGMEM_ENABLE
        VMCOREINFO_SYMBOL(node_data);
        VMCOREINFO_LENGTH(node_data, MAX_NUMNODES);

diff --git a/arch/x86/kernel/smp_32.c b/arch/x86/kernel/smp_32.c
index f321153..fcaa026 100644 (file)
--- a/arch/x86/kernel/smp_32.c
+++ b/arch/x86/kernel/smp_32.c
@@ -708,10 +708,4 @@ struct smp_ops smp_ops = {
        .smp_send_reschedule = native_smp_send_reschedule,
        .smp_call_function_mask = native_smp_call_function_mask,
 };
-
-int smp_call_function_mask(cpumask_t mask, void (*func) (void *info),
-                          void *info, int wait)
-{
-       return smp_ops.smp_call_function_mask(mask, func, info, wait);
-}
-EXPORT_SYMBOL(smp_call_function_mask);
+EXPORT_SYMBOL_GPL(smp_ops);

diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c
index 361ac51..6937143 100644 (file)
--- a/arch/x86/mach-voyager/voyager_smp.c
+++ b/arch/x86/mach-voyager/voyager_smp.c
@@ -29,14 +29,14 @@
 #include <asm/arch_hooks.h>
 
 /* TLB state -- visible externally, indexed physically */
-DEFINE_PER_CPU(struct tlb_state, cpu_tlbstate) ____cacheline_aligned = { &init_mm, 0 };
+DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = { &init_mm, 0 };
 
 /* CPU IRQ affinity -- set to all ones initially */
 static unsigned long cpu_irq_affinity[NR_CPUS] __cacheline_aligned = { [0 ... NR_CPUS-1]  = ~0UL };
 
 /* per CPU data structure (for /proc/cpuinfo et al), visible externally
  * indexed physically */
-DEFINE_PER_CPU(cpuinfo_x86, cpu_info) __cacheline_aligned;
+DEFINE_PER_CPU_SHARED_ALIGNED(struct cpuinfo_x86, cpu_info);
 EXPORT_PER_CPU_SYMBOL(cpu_info);
 
 /* physical ID of the CPU used to boot the system */

diff --git a/include/asm-x86/smp_32.h b/include/asm-x86/smp_32.h
index 7056d86..e10b7af 100644 (file)
--- a/include/asm-x86/smp_32.h
+++ b/include/asm-x86/smp_32.h
@@ -94,9 +94,12 @@ static inline void smp_send_reschedule(int cpu)
 {
        smp_ops.smp_send_reschedule(cpu);
 }
-extern int smp_call_function_mask(cpumask_t mask,
-                                 void (*func) (void *info), void *info,
-                                 int wait);
+static inline int smp_call_function_mask(cpumask_t mask,
+                                        void (*func) (void *info), void *info,
+                                        int wait)
+{
+       return smp_ops.smp_call_function_mask(mask, func, info, wait);
+}
 
 void native_smp_prepare_boot_cpu(void);
 void native_smp_prepare_cpus(unsigned int max_cpus);