summaryrefslogtreecommitdiffstats
path: root/arch/x86_64
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86_64')
-rw-r--r--arch/x86_64/Kconfig3
-rw-r--r--arch/x86_64/boot/compressed/head.S7
-rw-r--r--arch/x86_64/defconfig2
-rw-r--r--arch/x86_64/ia32/ia32_binfmt.c5
-rw-r--r--arch/x86_64/ia32/ptrace32.c1
-rw-r--r--arch/x86_64/ia32/syscall32.c8
-rw-r--r--arch/x86_64/kernel/Makefile4
-rw-r--r--arch/x86_64/kernel/acpi/Makefile2
-rw-r--r--arch/x86_64/kernel/apic.c6
-rw-r--r--arch/x86_64/kernel/bugs.c1
-rw-r--r--arch/x86_64/kernel/entry.S6
-rw-r--r--arch/x86_64/kernel/head.S2
-rw-r--r--arch/x86_64/kernel/pci-calgary.c13
-rw-r--r--arch/x86_64/kernel/process.c1
-rw-r--r--arch/x86_64/kernel/setup.c2
-rw-r--r--arch/x86_64/kernel/suspend.c4
-rw-r--r--arch/x86_64/kernel/sys_x86_64.c1
-rw-r--r--arch/x86_64/kernel/tce.c6
-rw-r--r--arch/x86_64/kernel/tsc.c2
-rw-r--r--arch/x86_64/mm/init.c10
-rw-r--r--arch/x86_64/mm/pageattr.c3
-rw-r--r--arch/x86_64/pci/mmconfig.c12
-rw-r--r--arch/x86_64/vdso/.gitignore1
-rw-r--r--arch/x86_64/vdso/vma.c1
24 files changed, 58 insertions, 45 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 45f82ae6d389..ffa036406289 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -765,6 +765,9 @@ config COMPAT
depends on IA32_EMULATION
default y
+config COMPAT_FOR_U64_ALIGNMENT
+ def_bool COMPAT
+
config SYSVIPC_COMPAT
bool
depends on COMPAT && SYSVIPC
diff --git a/arch/x86_64/boot/compressed/head.S b/arch/x86_64/boot/compressed/head.S
index 1312bfaff306..9fd8030cc54f 100644
--- a/arch/x86_64/boot/compressed/head.S
+++ b/arch/x86_64/boot/compressed/head.S
@@ -195,6 +195,11 @@ ENTRY(startup_64)
movl %eax, %ds
movl %eax, %es
movl %eax, %ss
+ movl %eax, %fs
+ movl %eax, %gs
+ lldt %ax
+ movl $0x20, %eax
+ ltr %ax
/* Compute the decompressed kernel start address. It is where
* we were loaded at aligned to a 2M boundary. %rbp contains the
@@ -295,6 +300,8 @@ gdt:
.quad 0x0000000000000000 /* NULL descriptor */
.quad 0x00af9a000000ffff /* __KERNEL_CS */
.quad 0x00cf92000000ffff /* __KERNEL_DS */
+ .quad 0x0080890000000000 /* TS descriptor */
+ .quad 0x0000000000000000 /* TS continued */
gdt_end:
.bss
/* Stack for uncompression */
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index b7c4cd04bfc3..e64f65c9d901 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -199,7 +199,7 @@ CONFIG_GENERIC_PENDING_IRQ=y
CONFIG_PM=y
# CONFIG_PM_LEGACY is not set
# CONFIG_PM_DEBUG is not set
-CONFIG_SOFTWARE_SUSPEND=y
+CONFIG_HIBERNATION=y
CONFIG_PM_STD_PARTITION=""
CONFIG_SUSPEND_SMP=y
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index b70f3e7cf06c..dffd2ac72747 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -41,8 +41,9 @@ int sysctl_vsyscall32 = 1;
#undef ARCH_DLINFO
#define ARCH_DLINFO do { \
if (sysctl_vsyscall32) { \
- NEW_AUX_ENT(AT_SYSINFO, (u32)(u64)VSYSCALL32_VSYSCALL); \
- NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL32_BASE); \
+ current->mm->context.vdso = (void *)VSYSCALL32_BASE; \
+ NEW_AUX_ENT(AT_SYSINFO, (u32)(u64)VSYSCALL32_VSYSCALL); \
+ NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL32_BASE); \
} \
} while(0)
diff --git a/arch/x86_64/ia32/ptrace32.c b/arch/x86_64/ia32/ptrace32.c
index 4de3a54318f4..4a233ad6269c 100644
--- a/arch/x86_64/ia32/ptrace32.c
+++ b/arch/x86_64/ia32/ptrace32.c
@@ -15,6 +15,7 @@
#include <linux/syscalls.h>
#include <linux/unistd.h>
#include <linux/mm.h>
+#include <linux/err.h>
#include <linux/ptrace.h>
#include <asm/ptrace.h>
#include <asm/compat.h>
diff --git a/arch/x86_64/ia32/syscall32.c b/arch/x86_64/ia32/syscall32.c
index fc4419ff0355..15013bac181c 100644
--- a/arch/x86_64/ia32/syscall32.c
+++ b/arch/x86_64/ia32/syscall32.c
@@ -49,14 +49,6 @@ int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
return ret;
}
-const char *arch_vma_name(struct vm_area_struct *vma)
-{
- if (vma->vm_start == VSYSCALL32_BASE &&
- vma->vm_mm && vma->vm_mm->task_size == IA32_PAGE_OFFSET)
- return "[vdso]";
- return NULL;
-}
-
static int __init init_syscall32(void)
{
char *syscall32_page = (void *)get_zeroed_page(GFP_KERNEL);
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index 47f1dc30bf56..ff5d8c9b96d9 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -26,13 +26,12 @@ obj-y += io_apic.o mpparse.o genapic.o genapic_flat.o
obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_PM) += suspend.o
-obj-$(CONFIG_SOFTWARE_SUSPEND) += suspend_asm.o
+obj-$(CONFIG_HIBERNATION) += suspend_asm.o
obj-$(CONFIG_CPU_FREQ) += cpufreq/
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_IOMMU) += pci-gart.o aperture.o
obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary.o tce.o
obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o
-obj-$(CONFIG_SERIAL_8250) += legacy_serial.o
obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_X86_PM_TIMER) += pmtimer.o
obj-$(CONFIG_X86_VSMP) += vsmp.o
@@ -51,7 +50,6 @@ CFLAGS_vsyscall.o := $(PROFILING) -g0
therm_throt-y += ../../i386/kernel/cpu/mcheck/therm_throt.o
bootflag-y += ../../i386/kernel/bootflag.o
-legacy_serial-y += ../../i386/kernel/legacy_serial.o
cpuid-$(subst m,y,$(CONFIG_X86_CPUID)) += ../../i386/kernel/cpuid.o
topology-y += ../../i386/kernel/topology.o
microcode-$(subst m,y,$(CONFIG_MICROCODE)) += ../../i386/kernel/microcode.o
diff --git a/arch/x86_64/kernel/acpi/Makefile b/arch/x86_64/kernel/acpi/Makefile
index 17595d23fee7..080b9963f1bc 100644
--- a/arch/x86_64/kernel/acpi/Makefile
+++ b/arch/x86_64/kernel/acpi/Makefile
@@ -1,6 +1,6 @@
obj-y := boot.o
boot-y := ../../../i386/kernel/acpi/boot.o
-obj-y += sleep.o wakeup.o
+obj-$(CONFIG_ACPI_SLEEP) += sleep.o wakeup.o
ifneq ($(CONFIG_ACPI_PROCESSOR),)
obj-y += processor.o
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 900ff38d68de..925758dbca0c 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -791,10 +791,8 @@ static void setup_APIC_timer(unsigned int clocks)
/* wait for irq slice */
if (hpet_address && hpet_use_timer) {
- int trigger = hpet_readl(HPET_T0_CMP);
- while (hpet_readl(HPET_COUNTER) >= trigger)
- /* do nothing */ ;
- while (hpet_readl(HPET_COUNTER) < trigger)
+ u32 trigger = hpet_readl(HPET_T0_CMP);
+ while (hpet_readl(HPET_T0_CMP) == trigger)
/* do nothing */ ;
} else {
int c1, c2;
diff --git a/arch/x86_64/kernel/bugs.c b/arch/x86_64/kernel/bugs.c
index c3c6b91566ed..4e5e9d364d63 100644
--- a/arch/x86_64/kernel/bugs.c
+++ b/arch/x86_64/kernel/bugs.c
@@ -8,6 +8,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/alternative.h>
+#include <asm/bugs.h>
#include <asm/processor.h>
#include <asm/mtrr.h>
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 830cfc6ee8cb..1d232e5f5658 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -282,7 +282,7 @@ sysret_careful:
sysret_signal:
TRACE_IRQS_ON
sti
- testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
+ testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
jz 1f
/* Really a signal */
@@ -375,7 +375,7 @@ int_very_careful:
jmp int_restore_rest
int_signal:
- testl $(_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
+ testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
jz 1f
movq %rsp,%rdi # &ptregs -> arg1
xorl %esi,%esi # oldset -> arg2
@@ -599,7 +599,7 @@ retint_careful:
jmp retint_check
retint_signal:
- testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
+ testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
jz retint_swapgs
TRACE_IRQS_ON
sti
diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S
index 3a16e417dd8d..e89abcdbdde8 100644
--- a/arch/x86_64/kernel/head.S
+++ b/arch/x86_64/kernel/head.S
@@ -120,7 +120,7 @@ ident_complete:
addq %rbp, trampoline_level4_pgt + 0(%rip)
addq %rbp, trampoline_level4_pgt + (511*8)(%rip)
#endif
-#ifdef CONFIG_ACPI
+#ifdef CONFIG_ACPI_SLEEP
addq %rbp, wakeup_level4_pgt + 0(%rip)
addq %rbp, wakeup_level4_pgt + (511*8)(%rip)
#endif
diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index ba16c968ca3f..71da01e73f03 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -367,16 +367,15 @@ static inline struct iommu_table *find_iommu_table(struct device *dev)
pdev = to_pci_dev(dev);
- /* is the device behind a bridge? */
- if (unlikely(pdev->bus->parent))
- pbus = pdev->bus->parent;
- else
- pbus = pdev->bus;
+ pbus = pdev->bus;
+
+ /* is the device behind a bridge? Look for the root bus */
+ while (pbus->parent)
+ pbus = pbus->parent;
tbl = pci_iommu(pbus);
- BUG_ON(pdev->bus->parent &&
- (tbl->it_busno != pdev->bus->parent->number));
+ BUG_ON(tbl && (tbl->it_busno != pbus->number));
return tbl;
}
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index e7ac629d4c46..2842f50cbe3f 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -23,6 +23,7 @@
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/mm.h>
+#include <linux/fs.h>
#include <linux/elfcore.h>
#include <linux/smp.h>
#include <linux/slab.h>
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 0f400f3c4694..af838f6b0b7f 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -333,7 +333,7 @@ void __init setup_arch(char **cmdline_p)
reserve_bootmem_generic(SMP_TRAMPOLINE_BASE, 2*PAGE_SIZE);
#endif
-#ifdef CONFIG_ACPI
+#ifdef CONFIG_ACPI_SLEEP
/*
* Reserve low memory region for sleep support.
*/
diff --git a/arch/x86_64/kernel/suspend.c b/arch/x86_64/kernel/suspend.c
index ea83a9f91965..573c0a6e0ac6 100644
--- a/arch/x86_64/kernel/suspend.c
+++ b/arch/x86_64/kernel/suspend.c
@@ -146,7 +146,7 @@ void fix_processor_context(void)
}
-#ifdef CONFIG_SOFTWARE_SUSPEND
+#ifdef CONFIG_HIBERNATION
/* Defined in arch/x86_64/kernel/suspend_asm.S */
extern int restore_image(void);
@@ -236,4 +236,4 @@ int pfn_is_nosave(unsigned long pfn)
unsigned long nosave_end_pfn = PAGE_ALIGN(__pa_symbol(&__nosave_end)) >> PAGE_SHIFT;
return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
}
-#endif /* CONFIG_SOFTWARE_SUSPEND */
+#endif /* CONFIG_HIBERNATION */
diff --git a/arch/x86_64/kernel/sys_x86_64.c b/arch/x86_64/kernel/sys_x86_64.c
index d067d9a2ad27..4770b7a2052c 100644
--- a/arch/x86_64/kernel/sys_x86_64.c
+++ b/arch/x86_64/kernel/sys_x86_64.c
@@ -6,6 +6,7 @@
#include <linux/sched.h>
#include <linux/syscalls.h>
#include <linux/mm.h>
+#include <linux/fs.h>
#include <linux/smp.h>
#include <linux/sem.h>
#include <linux/msg.h>
diff --git a/arch/x86_64/kernel/tce.c b/arch/x86_64/kernel/tce.c
index 3aeae2fa2e24..e3f2569b2c44 100644
--- a/arch/x86_64/kernel/tce.c
+++ b/arch/x86_64/kernel/tce.c
@@ -131,7 +131,7 @@ done:
return ret;
}
-int build_tce_table(struct pci_dev *dev, void __iomem *bbar)
+int __init build_tce_table(struct pci_dev *dev, void __iomem *bbar)
{
struct iommu_table *tbl;
int ret;
@@ -165,7 +165,7 @@ done:
return ret;
}
-void* alloc_tce_table(void)
+void * __init alloc_tce_table(void)
{
unsigned int size;
@@ -175,7 +175,7 @@ void* alloc_tce_table(void)
return __alloc_bootmem_low(size, size, 0);
}
-void free_tce_table(void *tbl)
+void __init free_tce_table(void *tbl)
{
unsigned int size;
diff --git a/arch/x86_64/kernel/tsc.c b/arch/x86_64/kernel/tsc.c
index 9b76b03d0600..2a59bde663f2 100644
--- a/arch/x86_64/kernel/tsc.c
+++ b/arch/x86_64/kernel/tsc.c
@@ -118,8 +118,6 @@ core_initcall(cpufreq_tsc);
#endif
-static int tsc_unstable = 0;
-
/*
* Make an educated guess if the TSC is trustworthy and synchronized
* over all CPUs.
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 38f5d6368006..458893b376f8 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -600,6 +600,16 @@ void mark_rodata_ro(void)
{
unsigned long start = (unsigned long)_stext, end;
+#ifdef CONFIG_HOTPLUG_CPU
+ /* It must still be possible to apply SMP alternatives. */
+ if (num_possible_cpus() > 1)
+ start = (unsigned long)_etext;
+#endif
+
+#ifdef CONFIG_KPROBES
+ start = (unsigned long)__start_rodata;
+#endif
+
end = (unsigned long)__end_rodata;
start = (start + PAGE_SIZE - 1) & PAGE_MASK;
end &= PAGE_MASK;
diff --git a/arch/x86_64/mm/pageattr.c b/arch/x86_64/mm/pageattr.c
index 7e161c698af4..10b9809ce821 100644
--- a/arch/x86_64/mm/pageattr.c
+++ b/arch/x86_64/mm/pageattr.c
@@ -75,7 +75,8 @@ static void flush_kernel_map(void *arg)
/* When clflush is available always use it because it is
much cheaper than WBINVD. */
- if (!cpu_has_clflush)
+ /* clflush is still broken. Disable for now. */
+ if (1 || !cpu_has_clflush)
asm volatile("wbinvd" ::: "memory");
else list_for_each_entry(pg, l, lru) {
void *adr = page_address(pg);
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index 65d82736987e..4095e4d66a1d 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -66,13 +66,13 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
switch (len) {
case 1:
- *value = readb(addr + reg);
+ *value = mmio_config_readb(addr + reg);
break;
case 2:
- *value = readw(addr + reg);
+ *value = mmio_config_readw(addr + reg);
break;
case 4:
- *value = readl(addr + reg);
+ *value = mmio_config_readl(addr + reg);
break;
}
@@ -94,13 +94,13 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
switch (len) {
case 1:
- writeb(value, addr + reg);
+ mmio_config_writeb(addr + reg, value);
break;
case 2:
- writew(value, addr + reg);
+ mmio_config_writew(addr + reg, value);
break;
case 4:
- writel(value, addr + reg);
+ mmio_config_writel(addr + reg, value);
break;
}
diff --git a/arch/x86_64/vdso/.gitignore b/arch/x86_64/vdso/.gitignore
new file mode 100644
index 000000000000..f8b69d84238e
--- /dev/null
+++ b/arch/x86_64/vdso/.gitignore
@@ -0,0 +1 @@
+vdso.lds
diff --git a/arch/x86_64/vdso/vma.c b/arch/x86_64/vdso/vma.c
index d4cb83a6c066..ff9333e5fb08 100644
--- a/arch/x86_64/vdso/vma.c
+++ b/arch/x86_64/vdso/vma.c
@@ -4,6 +4,7 @@
* Subject to the GPL, v.2
*/
#include <linux/mm.h>
+#include <linux/err.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/random.h>