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-rw-r--r--arch/i386/kernel/acpi/boot.c235
-rw-r--r--arch/i386/kernel/acpi/earlyquirk.c4
-rw-r--r--arch/i386/kernel/apm.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/longhaul.c15
-rw-r--r--arch/i386/kernel/cpu/mtrr/if.c2
-rw-r--r--arch/i386/kernel/cpuid.c2
-rw-r--r--arch/i386/kernel/head.S2
-rw-r--r--arch/i386/kernel/hpet.c5
-rw-r--r--arch/i386/kernel/io_apic.c19
-rw-r--r--arch/i386/kernel/microcode.c2
-rw-r--r--arch/i386/kernel/mpparse.c4
-rw-r--r--arch/i386/kernel/msr.c2
-rw-r--r--arch/i386/kernel/setup.c4
-rw-r--r--arch/i386/kernel/srat.c84
-rw-r--r--arch/i386/kernel/sysenter.c53
-rw-r--r--arch/i386/kernel/vmlinux.lds.S2
16 files changed, 186 insertions, 251 deletions
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index cbcb2c27f48..e94aff6888c 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -66,7 +66,7 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return
#define BAD_MADT_ENTRY(entry, end) ( \
(!entry) || (unsigned long)entry + sizeof(*entry) > end || \
- ((acpi_table_entry_header *)entry)->length < sizeof(*entry))
+ ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
#define PREFIX "ACPI: "
@@ -79,7 +79,7 @@ int acpi_ioapic;
int acpi_strict;
EXPORT_SYMBOL(acpi_strict);
-acpi_interrupt_flags acpi_sci_flags __initdata;
+u8 acpi_sci_flags __initdata;
int acpi_sci_override_gsi __initdata;
int acpi_skip_timer_override __initdata;
int acpi_use_timer_override __initdata;
@@ -92,11 +92,6 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
#warning ACPI uses CMPXCHG, i486 and later hardware
#endif
-#define MAX_MADT_ENTRIES 256
-u8 x86_acpiid_to_apicid[MAX_MADT_ENTRIES] =
- {[0 ... MAX_MADT_ENTRIES - 1] = 0xff };
-EXPORT_SYMBOL(x86_acpiid_to_apicid);
-
/* --------------------------------------------------------------------------
Boot-time Configuration
-------------------------------------------------------------------------- */
@@ -166,30 +161,26 @@ char *__acpi_map_table(unsigned long phys, unsigned long size)
#ifdef CONFIG_PCI_MMCONFIG
/* The physical address of the MMCONFIG aperture. Set from ACPI tables. */
-struct acpi_table_mcfg_config *pci_mmcfg_config;
+struct acpi_mcfg_allocation *pci_mmcfg_config;
int pci_mmcfg_config_num;
-int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
+int __init acpi_parse_mcfg(struct acpi_table_header *header)
{
struct acpi_table_mcfg *mcfg;
unsigned long i;
int config_size;
- if (!phys_addr || !size)
+ if (!header)
return -EINVAL;
- mcfg = (struct acpi_table_mcfg *)__acpi_map_table(phys_addr, size);
- if (!mcfg) {
- printk(KERN_WARNING PREFIX "Unable to map MCFG\n");
- return -ENODEV;
- }
+ mcfg = (struct acpi_table_mcfg *)header;
/* how many config structures do we have */
pci_mmcfg_config_num = 0;
- i = size - sizeof(struct acpi_table_mcfg);
- while (i >= sizeof(struct acpi_table_mcfg_config)) {
+ i = header->length - sizeof(struct acpi_table_mcfg);
+ while (i >= sizeof(struct acpi_mcfg_allocation)) {
++pci_mmcfg_config_num;
- i -= sizeof(struct acpi_table_mcfg_config);
+ i -= sizeof(struct acpi_mcfg_allocation);
};
if (pci_mmcfg_config_num == 0) {
printk(KERN_ERR PREFIX "MMCONFIG has no entries\n");
@@ -204,9 +195,9 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
return -ENOMEM;
}
- memcpy(pci_mmcfg_config, &mcfg->config, config_size);
+ memcpy(pci_mmcfg_config, &mcfg[1], config_size);
for (i = 0; i < pci_mmcfg_config_num; ++i) {
- if (mcfg->config[i].base_reserved) {
+ if (pci_mmcfg_config[i].address > 0xFFFFFFFF) {
printk(KERN_ERR PREFIX
"MMCONFIG not in low 4GB of memory\n");
kfree(pci_mmcfg_config);
@@ -220,24 +211,24 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
#endif /* CONFIG_PCI_MMCONFIG */
#ifdef CONFIG_X86_LOCAL_APIC
-static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_madt(struct acpi_table_header *table)
{
struct acpi_table_madt *madt = NULL;
- if (!phys_addr || !size || !cpu_has_apic)
+ if (!cpu_has_apic)
return -EINVAL;
- madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size);
+ madt = (struct acpi_table_madt *)table;
if (!madt) {
printk(KERN_WARNING PREFIX "Unable to map MADT\n");
return -ENODEV;
}
- if (madt->lapic_address) {
- acpi_lapic_addr = (u64) madt->lapic_address;
+ if (madt->address) {
+ acpi_lapic_addr = (u64) madt->address;
printk(KERN_DEBUG PREFIX "Local APIC address 0x%08x\n",
- madt->lapic_address);
+ madt->address);
}
acpi_madt_oem_check(madt->header.oem_id, madt->header.oem_table_id);
@@ -246,21 +237,17 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
}
static int __init
-acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end)
{
- struct acpi_table_lapic *processor = NULL;
+ struct acpi_madt_local_apic *processor = NULL;
- processor = (struct acpi_table_lapic *)header;
+ processor = (struct acpi_madt_local_apic *)header;
if (BAD_MADT_ENTRY(processor, end))
return -EINVAL;
acpi_table_print_madt_entry(header);
- /* Record local apic id only when enabled */
- if (processor->flags.enabled)
- x86_acpiid_to_apicid[processor->acpi_id] = processor->id;
-
/*
* We need to register disabled CPU as well to permit
* counting disabled CPUs. This allows us to size
@@ -269,18 +256,18 @@ acpi_parse_lapic(acpi_table_entry_header * header, const unsigned long end)
* when we use CPU hotplug.
*/
mp_register_lapic(processor->id, /* APIC ID */
- processor->flags.enabled); /* Enabled? */
+ processor->lapic_flags & ACPI_MADT_ENABLED); /* Enabled? */
return 0;
}
static int __init
-acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
+acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header,
const unsigned long end)
{
- struct acpi_table_lapic_addr_ovr *lapic_addr_ovr = NULL;
+ struct acpi_madt_local_apic_override *lapic_addr_ovr = NULL;
- lapic_addr_ovr = (struct acpi_table_lapic_addr_ovr *)header;
+ lapic_addr_ovr = (struct acpi_madt_local_apic_override *)header;
if (BAD_MADT_ENTRY(lapic_addr_ovr, end))
return -EINVAL;
@@ -291,11 +278,11 @@ acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
}
static int __init
-acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end)
{
- struct acpi_table_lapic_nmi *lapic_nmi = NULL;
+ struct acpi_madt_local_apic_nmi *lapic_nmi = NULL;
- lapic_nmi = (struct acpi_table_lapic_nmi *)header;
+ lapic_nmi = (struct acpi_madt_local_apic_nmi *)header;
if (BAD_MADT_ENTRY(lapic_nmi, end))
return -EINVAL;
@@ -313,11 +300,11 @@ acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
#ifdef CONFIG_X86_IO_APIC
static int __init
-acpi_parse_ioapic(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
{
- struct acpi_table_ioapic *ioapic = NULL;
+ struct acpi_madt_io_apic *ioapic = NULL;
- ioapic = (struct acpi_table_ioapic *)header;
+ ioapic = (struct acpi_madt_io_apic *)header;
if (BAD_MADT_ENTRY(ioapic, end))
return -EINVAL;
@@ -342,11 +329,11 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger)
polarity = 3;
/* Command-line over-ride via acpi_sci= */
- if (acpi_sci_flags.trigger)
- trigger = acpi_sci_flags.trigger;
+ if (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)
+ trigger = (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2;
- if (acpi_sci_flags.polarity)
- polarity = acpi_sci_flags.polarity;
+ if (acpi_sci_flags & ACPI_MADT_POLARITY_MASK)
+ polarity = acpi_sci_flags & ACPI_MADT_POLARITY_MASK;
/*
* mp_config_acpi_legacy_irqs() already setup IRQs < 16
@@ -357,51 +344,52 @@ static void __init acpi_sci_ioapic_setup(u32 gsi, u16 polarity, u16 trigger)
/*
* stash over-ride to indicate we've been here
- * and for later update of acpi_fadt
+ * and for later update of acpi_gbl_FADT
*/
acpi_sci_override_gsi = gsi;
return;
}
static int __init
-acpi_parse_int_src_ovr(acpi_table_entry_header * header,
+acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
const unsigned long end)
{
- struct acpi_table_int_src_ovr *intsrc = NULL;
+ struct acpi_madt_interrupt_override *intsrc = NULL;
- intsrc = (struct acpi_table_int_src_ovr *)header;
+ intsrc = (struct acpi_madt_interrupt_override *)header;
if (BAD_MADT_ENTRY(intsrc, end))
return -EINVAL;
acpi_table_print_madt_entry(header);
- if (intsrc->bus_irq == acpi_fadt.sci_int) {
+ if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) {
acpi_sci_ioapic_setup(intsrc->global_irq,
- intsrc->flags.polarity,
- intsrc->flags.trigger);
+ intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
+ (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2);
return 0;
}
if (acpi_skip_timer_override &&
- intsrc->bus_irq == 0 && intsrc->global_irq == 2) {
+ intsrc->source_irq == 0 && intsrc->global_irq == 2) {
printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
return 0;
}
- mp_override_legacy_irq(intsrc->bus_irq,
- intsrc->flags.polarity,
- intsrc->flags.trigger, intsrc->global_irq);
+ mp_override_legacy_irq(intsrc->source_irq,
+ intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
+ (intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) >> 2,
+ intsrc->global_irq);
return 0;
}
static int __init
-acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end)
{
- struct acpi_table_nmi_src *nmi_src = NULL;
+ struct acpi_madt_nmi_source *nmi_src = NULL;
- nmi_src = (struct acpi_table_nmi_src *)header;
+ nmi_src = (struct acpi_madt_nmi_source *)header;
if (BAD_MADT_ENTRY(nmi_src, end))
return -EINVAL;
@@ -417,7 +405,7 @@ acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
/*
* acpi_pic_sci_set_trigger()
- *
+ *
* use ELCR to set PIC-mode trigger type for SCI
*
* If a PIC-mode SCI is not recognized or gives spurious IRQ7's
@@ -511,7 +499,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
- struct acpi_table_lapic *lapic;
+ struct acpi_madt_local_apic *lapic;
cpumask_t tmp_map, new_map;
u8 physid;
int cpu;
@@ -529,10 +517,10 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
return -EINVAL;
}
- lapic = (struct acpi_table_lapic *)obj->buffer.pointer;
+ lapic = (struct acpi_madt_local_apic *)obj->buffer.pointer;
- if ((lapic->header.type != ACPI_MADT_LAPIC) ||
- (!lapic->flags.enabled)) {
+ if (lapic->header.type != ACPI_MADT_TYPE_LOCAL_APIC ||
+ !(lapic->lapic_flags & ACPI_MADT_ENABLED)) {
kfree(buffer.pointer);
return -EINVAL;
}
@@ -544,7 +532,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
buffer.pointer = NULL;
tmp_map = cpu_present_map;
- mp_register_lapic(physid, lapic->flags.enabled);
+ mp_register_lapic(physid, lapic->lapic_flags & ACPI_MADT_ENABLED);
/*
* If mp_register_lapic successfully generates a new logical cpu
@@ -566,14 +554,6 @@ EXPORT_SYMBOL(acpi_map_lsapic);
int acpi_unmap_lsapic(int cpu)
{
- int i;
-
- for_each_possible_cpu(i) {
- if (x86_acpiid_to_apicid[i] == x86_cpu_to_apicid[cpu]) {
- x86_acpiid_to_apicid[i] = -1;
- break;
- }
- }
x86_cpu_to_apicid[cpu] = -1;
cpu_clear(cpu, cpu_present_map);
num_processors--;
@@ -619,42 +599,36 @@ acpi_scan_rsdp(unsigned long start, unsigned long length)
return 0;
}
-static int __init acpi_parse_sbf(unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_sbf(struct acpi_table_header *table)
{
- struct acpi_table_sbf *sb;
-
- if (!phys_addr || !size)
- return -EINVAL;
+ struct acpi_table_boot *sb;
- sb = (struct acpi_table_sbf *)__acpi_map_table(phys_addr, size);
+ sb = (struct acpi_table_boot *)table;
if (!sb) {
printk(KERN_WARNING PREFIX "Unable to map SBF\n");
return -ENODEV;
}
- sbf_port = sb->sbf_cmos; /* Save CMOS port */
+ sbf_port = sb->cmos_index; /* Save CMOS port */
return 0;
}
#ifdef CONFIG_HPET_TIMER
-static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
+static int __init acpi_parse_hpet(struct acpi_table_header *table)
{
struct acpi_table_hpet *hpet_tbl;
struct resource *hpet_res;
resource_size_t res_start;
- if (!phys || !size)
- return -EINVAL;
-
- hpet_tbl = (struct acpi_table_hpet *)__acpi_map_table(phys, size);
+ hpet_tbl = (struct acpi_table_hpet *)table;
if (!hpet_tbl) {
printk(KERN_WARNING PREFIX "Unable to map HPET\n");
return -ENODEV;
}
- if (hpet_tbl->addr.space_id != ACPI_SPACE_MEM) {
+ if (hpet_tbl->address.space_id != ACPI_SPACE_MEM) {
printk(KERN_WARNING PREFIX "HPET timers must be located in "
"memory.\n");
return -1;
@@ -667,29 +641,28 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
hpet_res->name = (void *)&hpet_res[1];
hpet_res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
snprintf((char *)hpet_res->name, HPET_RESOURCE_NAME_SIZE,
- "HPET %u", hpet_tbl->number);
+ "HPET %u", hpet_tbl->sequence);
hpet_res->end = (1 * 1024) - 1;
}
-#ifdef CONFIG_X86_64
- vxtime.hpet_address = hpet_tbl->addr.addrl |
- ((long)hpet_tbl->addr.addrh << 32);
+#ifdef CONFIG_X86_64
+ vxtime.hpet_address = hpet_tbl->address.address;
printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n",
- hpet_tbl->id, vxtime.hpet_address);
+ hpet_tbl->id, vxtime.hpet_address);
res_start = vxtime.hpet_address;
-#else /* X86 */
+#else /* X86 */
{
extern unsigned long hpet_address;
- hpet_address = hpet_tbl->addr.addrl;
+ hpet_address = hpet_tbl->address.address;
printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n",
- hpet_tbl->id, hpet_address);
+ hpet_tbl->id, hpet_address);
res_start = hpet_address;
}
-#endif /* X86 */
+#endif /* X86 */
if (hpet_res) {
hpet_res->start = res_start;
@@ -707,42 +680,28 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
extern u32 pmtmr_ioport;
#endif
-static int __init acpi_parse_fadt(unsigned long phys, unsigned long size)
+static int __init acpi_parse_fadt(struct acpi_table_header *table)
{
- struct fadt_descriptor *fadt = NULL;
-
- fadt = (struct fadt_descriptor *)__acpi_map_table(phys, size);
- if (!fadt) {
- printk(KERN_WARNING PREFIX "Unable to map FADT\n");
- return 0;
- }
- /* initialize sci_int early for INT_SRC_OVR MADT parsing */
- acpi_fadt.sci_int = fadt->sci_int;
-
- /* initialize rev and apic_phys_dest_mode for x86_64 genapic */
- acpi_fadt.revision = fadt->revision;
- acpi_fadt.force_apic_physical_destination_mode =
- fadt->force_apic_physical_destination_mode;
#ifdef CONFIG_X86_PM_TIMER
/* detect the location of the ACPI PM Timer */
- if (fadt->revision >= FADT2_REVISION_ID) {
+ if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) {
/* FADT rev. 2 */
- if (fadt->xpm_tmr_blk.address_space_id !=
+ if (acpi_gbl_FADT.xpm_timer_block.space_id !=
ACPI_ADR_SPACE_SYSTEM_IO)
return 0;
- pmtmr_ioport = fadt->xpm_tmr_blk.address;
+ pmtmr_ioport = acpi_gbl_FADT.xpm_timer_block.address;
/*
* "X" fields are optional extensions to the original V1.0
* fields, so we must selectively expand V1.0 fields if the
* corresponding X field is zero.
*/
if (!pmtmr_ioport)
- pmtmr_ioport = fadt->V1_pm_tmr_blk;
+ pmtmr_ioport = acpi_gbl_FADT.pm_timer_block;
} else {
/* FADT rev. 1 */
- pmtmr_ioport = fadt->V1_pm_tmr_blk;
+ pmtmr_ioport = acpi_gbl_FADT.pm_timer_block;
}
if (pmtmr_ioport)
printk(KERN_INFO PREFIX "PM-Timer IO Port: %#x\n",
@@ -784,13 +743,13 @@ static int __init acpi_parse_madt_lapic_entries(void)
if (!cpu_has_apic)
return -ENODEV;
- /*
+ /*
* Note that the LAPIC address is obtained from the MADT (32-bit value)
* and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value).
*/
count =
- acpi_table_parse_madt(ACPI_MADT_LAPIC_ADDR_OVR,
+ acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE,
acpi_parse_lapic_addr_ovr, 0);
if (count < 0) {
printk(KERN_ERR PREFIX
@@ -800,7 +759,7 @@ static int __init acpi_parse_madt_lapic_entries(void)
mp_register_lapic_address(acpi_lapic_addr);
- count = acpi_table_parse_madt(ACPI_MADT_LAPIC, acpi_parse_lapic,
+ count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC, acpi_parse_lapic,
MAX_APICS);
if (!count) {
printk(KERN_ERR PREFIX "No LAPIC entries present\n");
@@ -813,7 +772,7 @@ static int __init acpi_parse_madt_lapic_entries(void)
}
count =
- acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0);
+ acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0);
if (count < 0) {
printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
/* TBD: Cleanup to allow fallback to MPS */
@@ -842,7 +801,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
return -ENODEV;
}
- if (!cpu_has_apic)
+ if (!cpu_has_apic)
return -ENODEV;
/*
@@ -855,7 +814,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
}
count =
- acpi_table_parse_madt(ACPI_MADT_IOAPIC, acpi_parse_ioapic,
+ acpi_table_parse_madt(ACPI_MADT_TYPE_IO_APIC, acpi_parse_ioapic,
MAX_IO_APICS);
if (!count) {
printk(KERN_ERR PREFIX "No IOAPIC entries present\n");
@@ -866,7 +825,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
}
count =
- acpi_table_parse_madt(ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr,
+ acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr,
NR_IRQ_VECTORS);
if (count < 0) {
printk(KERN_ERR PREFIX
@@ -880,13 +839,13 @@ static int __init acpi_parse_madt_ioapic_entries(void)
* pretend we got one so we can set the SCI flags.
*/
if (!acpi_sci_override_gsi)
- acpi_sci_ioapic_setup(acpi_fadt.sci_int, 0, 0);
+ acpi_sci_ioapic_setup(acpi_gbl_FADT.sci_interrupt, 0, 0);
/* Fill in identity legacy mapings where no override */
mp_config_acpi_legacy_irqs();
count =
- acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src,
+ acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src,
NR_IRQ_VECTORS);
if (count < 0) {
printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
@@ -908,7 +867,7 @@ static void __init acpi_process_madt(void)
#ifdef CONFIG_X86_LOCAL_APIC
int count, error;
- count = acpi_table_parse(ACPI_APIC, acpi_parse_madt);
+ count = acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt);
if (count >= 1) {
/*
@@ -1195,7 +1154,7 @@ int __init acpi_boot_table_init(void)
if (acpi_disabled && !acpi_ht)
return 1;
- /*
+ /*
* Initialize the ACPI boot-time table parser.
*/
error = acpi_table_init();
@@ -1204,7 +1163,7 @@ int __init acpi_boot_table_init(void)
return error;
}
- acpi_table_parse(ACPI_BOOT, acpi_parse_sbf);
+ acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);
/*
* blacklist may disable ACPI entirely
@@ -1232,19 +1191,19 @@ int __init acpi_boot_init(void)
if (acpi_disabled && !acpi_ht)
return 1;
- acpi_table_parse(ACPI_BOOT, acpi_parse_sbf);
+ acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);
/*
* set sci_int and PM timer address
*/
- acpi_table_parse(ACPI_FADT, acpi_parse_fadt);
+ acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt);
/*
* Process the Multiple APIC Description Table (MADT), if present
*/
acpi_process_madt();
- acpi_table_parse(ACPI_HPET, acpi_parse_hpet);
+ acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet);
return 0;
}
@@ -1315,13 +1274,17 @@ static int __init setup_acpi_sci(char *s)
if (!s)
return -EINVAL;
if (!strcmp(s, "edge"))
- acpi_sci_flags.trigger = 1;
+ acpi_sci_flags = ACPI_MADT_TRIGGER_EDGE |
+ (acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK);
else if (!strcmp(s, "level"))
- acpi_sci_flags.trigger = 3;
+ acpi_sci_flags = ACPI_MADT_TRIGGER_LEVEL |
+ (acpi_sci_flags & ~ACPI_MADT_TRIGGER_MASK);
else if (!strcmp(s, "high"))
- acpi_sci_flags.polarity = 1;
+ acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_HIGH |
+ (acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK);
else if (!strcmp(s, "low"))
- acpi_sci_flags.polarity = 3;
+ acpi_sci_flags = ACPI_MADT_POLARITY_ACTIVE_LOW |
+ (acpi_sci_flags & ~ACPI_MADT_POLARITY_MASK);
else
return -EINVAL;
return 0;
diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
index 4b60af7f91d..bf86f7662d8 100644
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ b/arch/i386/kernel/acpi/earlyquirk.c
@@ -16,7 +16,7 @@
static int nvidia_hpet_detected __initdata;
-static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
+static int __init nvidia_hpet_check(struct acpi_table_header *header)
{
nvidia_hpet_detected = 1;
return 0;
@@ -30,7 +30,7 @@ static int __init check_bridge(int vendor, int device)
is enabled. */
if (!acpi_use_timer_override && vendor == PCI_VENDOR_ID_NVIDIA) {
nvidia_hpet_detected = 0;
- acpi_table_parse(ACPI_HPET, nvidia_hpet_check);
+ acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check);
if (nvidia_hpet_detected == 0) {
acpi_skip_timer_override = 1;
printk(KERN_INFO "Nvidia board "
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index 19901692754..db99a8948da 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -1894,7 +1894,7 @@ static int __init apm_setup(char *str)
__setup("apm=", apm_setup);
#endif
-static struct file_operations apm_bios_fops = {
+static const struct file_operations apm_bios_fops = {
.owner = THIS_MODULE,
.read = do_read,
.poll = do_poll,
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index e940e00b96c..a3db9332d65 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -190,7 +190,7 @@ static void do_powersaver(int cx_address, unsigned int clock_ratio_index)
/* Invoke C3 */
inb(cx_address);
/* Dummy op - must do something useless after P_LVL3 read */
- t = inl(acpi_fadt.xpm_tmr_blk.address);
+ t = inl(acpi_gbl_FADT.xpm_timer_block.address);
}
/* Disable bus ratio bit */
local_irq_disable();
@@ -250,8 +250,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
outb(3, 0x22);
} else if ((pr != NULL) && pr->flags.bm_control) {
/* Disable bus master arbitration */
- acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1,
- ACPI_MTX_DO_NOT_LOCK);
+ acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1);
}
switch (longhaul_version) {
@@ -281,8 +280,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
case TYPE_POWERSAVER:
if (longhaul_flags & USE_ACPI_C3) {
/* Don't allow wakeup */
- acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0,
- ACPI_MTX_DO_NOT_LOCK);
+ acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0);
do_powersaver(cx->address, clock_ratio_index);
} else {
do_powersaver(0, clock_ratio_index);
@@ -295,8 +293,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
outb(0, 0x22);
} else if ((pr != NULL) && pr->flags.bm_control) {
/* Enable bus master arbitration */
- acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0,
- ACPI_MTX_DO_NOT_LOCK);
+ acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0);
}
outb(pic2_mask,0xA1); /* restore mask */
outb(pic1_mask,0x21);
@@ -414,7 +411,7 @@ static int __init longhaul_get_ranges(void)
highest_speed = calc_speed(maxmult);
lowest_speed = calc_speed(minmult);
dprintk ("FSB:%dMHz Lowest speed: %s Highest speed:%s\n", fsb,
- print_speed(lowest_speed/1000),
+ print_speed(lowest_speed/1000),
print_speed(highest_speed/1000));
if (lowest_speed == highest_speed) {
@@ -498,7 +495,7 @@ static void __init longhaul_setup_voltagescaling(void)
maxvid.mV/1000, maxvid.mV%1000,
minvid.mV/1000, minvid.mV%1000,
numvscales);
-
+
j = 0;
while (longhaul_table[j].frequency != CPUFREQ_TABLE_END) {
speed = longhaul_table[j].frequency;
diff --git a/arch/i386/kernel/cpu/mtrr/if.c b/arch/i386/kernel/cpu/mtrr/if.c
index 5ae1705eafa..ee771f305f9 100644
--- a/arch/i386/kernel/cpu/mtrr/if.c
+++ b/arch/i386/kernel/cpu/mtrr/if.c
@@ -339,7 +339,7 @@ static int mtrr_open(struct inode *inode, struct file *file)
return single_open(file, mtrr_seq_show, NULL);
}
-static struct file_operations mtrr_fops = {
+static const struct file_operations mtrr_fops = {
.owner = THIS_MODULE,
.open = mtrr_open,
.read = seq_read,
diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c
index 51130b39cd2..4da75fa3208 100644
--- a/arch/i386/kernel/cpuid.c
+++ b/arch/i386/kernel/cpuid.c
@@ -148,7 +148,7 @@ static int cpuid_open(struct inode *inode, struct file *file)
/*
* File operations we support
*/
-static struct file_operations cpuid_fops = {
+static const struct file_operations cpuid_fops = {
.owner = THIS_MODULE,
.llseek = cpuid_seek,
.read = cpuid_read,
diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S
index edef5084ce1..cb9abdfced9 100644
--- a/arch/i386/kernel/head.S
+++ b/arch/i386/kernel/head.S
@@ -103,7 +103,7 @@ ENTRY(startup_32)
movzwl OLD_CL_OFFSET,%esi
addl $(OLD_CL_BASE_ADDR),%esi
2:
- movl $(saved_command_line - __PAGE_OFFSET),%edi
+ movl $(boot_command_line - __PAGE_OFFSET),%edi
movl $(COMMAND_LINE_SIZE/4),%ecx
rep
movsl
diff --git a/arch/i386/kernel/hpet.c b/arch/i386/kernel/hpet.c
index 45a8685bb60..0b29d41322a 100644
--- a/arch/i386/kernel/hpet.c
+++ b/arch/i386/kernel/hpet.c
@@ -12,7 +12,7 @@
/* FSEC = 10^-15 NSEC = 10^-9 */
#define FSEC_PER_NSEC 1000000
-static void *hpet_ptr;
+static void __iomem *hpet_ptr;
static cycle_t read_hpet(void)
{
@@ -40,8 +40,7 @@ static int __init init_hpet_clocksource(void)
return -ENODEV;
/* calculate the hpet address: */
- hpet_base =
- (void __iomem*)ioremap_nocache(hpet_address, HPET_MMAP_SIZE);
+ hpet_base = ioremap_nocache(hpet_address, HPET_MMAP_SIZE);
hpet_ptr = hpet_base + HPET_COUNTER;
/* calculate the frequency: */
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index 6a3875f81a0..ba8d302a0b7 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -126,7 +126,7 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i
*/
static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value)
{
- volatile struct io_apic *io_apic = io_apic_base(apic);
+ volatile struct io_apic __iomem *io_apic = io_apic_base(apic);
if (sis_apic_bug)
writel(reg, &io_apic->index);
writel(value, &io_apic->data);
@@ -2606,25 +2606,32 @@ static struct irq_chip msi_chip = {
.retrigger = ioapic_retrigger_irq,
};
-int arch_setup_msi_irq(unsigned int irq, struct pci_dev *dev)
+int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
{
struct msi_msg msg;
- int ret;
+ int irq, ret;
+ irq = create_irq();
+ if (irq < 0)
+ return irq;
+
+ set_irq_msi(irq, desc);
ret = msi_compose_msg(dev, irq, &msg);
- if (ret < 0)
+ if (ret < 0) {
+ destroy_irq(irq);
return ret;
+ }
write_msi_msg(irq, &msg);
set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq,
"edge");
- return 0;
+ return irq;
}
void arch_teardown_msi_irq(unsigned int irq)
{
- return;
+ destroy_irq(irq);
}
#endif /* CONFIG_PCI_MSI */
diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index c8fa13721bc..381252bae3d 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -451,7 +451,7 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_
return ret;
}
-static struct file_operations microcode_fops = {
+static const struct file_operations microcode_fops = {
.owner = THIS_MODULE,
.write = microcode_write,
.open = microcode_open,
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index 49bff3596bf..4f5983c9866 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -1057,7 +1057,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
static int gsi_to_irq[MAX_GSI_NUM];
/* Don't set up the ACPI SCI because it's already set up */
- if (acpi_fadt.sci_int == gsi)
+ if (acpi_gbl_FADT.sci_interrupt == gsi)
return gsi;
ioapic = mp_find_ioapic(gsi);
@@ -1114,7 +1114,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
/*
* Don't assign IRQ used by ACPI SCI
*/
- if (gsi == acpi_fadt.sci_int)
+ if (gsi == acpi_gbl_FADT.sci_interrupt)
gsi = pci_irq++;
gsi_to_irq[irq] = gsi;
} else {
diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
index 4a472a17d1c..4e14264f392 100644
--- a/arch/i386/kernel/msr.c
+++ b/arch/i386/kernel/msr.c
@@ -230,7 +230,7 @@ static int msr_open(struct inode *inode, struct file *file)
/*
* File operations we support
*/
-static struct file_operations msr_fops = {
+static const struct file_operations msr_fops = {
.owner = THIS_MODULE,
.llseek = msr_seek,
.read = msr_read,
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 4b31ad70c1a..4694ac980cd 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -132,7 +132,7 @@ unsigned long saved_videomode;
#define RAMDISK_PROMPT_FLAG 0x8000
#define RAMDISK_LOAD_FLAG 0x4000
-static char command_line[COMMAND_LINE_SIZE];
+static char __initdata command_line[COMMAND_LINE_SIZE];
unsigned char __initdata boot_params[PARAM_SIZE];
@@ -576,7 +576,7 @@ void __init setup_arch(char **cmdline_p)
print_memory_map("user");
}
- strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE);
+ strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line;
max_low_pfn = setup_memory();
diff --git a/arch/i386/kernel/srat.c b/arch/i386/kernel/srat.c
index f7e735c077c..2a8713ec0f9 100644
--- a/arch/i386/kernel/srat.c
+++ b/arch/i386/kernel/srat.c
@@ -62,19 +62,19 @@ extern void * boot_ioremap(unsigned long, unsigned long);
/* Identify CPU proximity domains */
static void __init parse_cpu_affinity_structure(char *p)
{
- struct acpi_table_processor_affinity *cpu_affinity =
- (struct acpi_table_processor_affinity *) p;
+ struct acpi_srat_cpu_affinity *cpu_affinity =
+ (struct acpi_srat_cpu_affinity *) p;
- if (!cpu_affinity->flags.enabled)
+ if ((cpu_affinity->flags & ACPI_SRAT_CPU_ENABLED) == 0)
return; /* empty entry */
/* mark this node as "seen" in node bitmap */
- BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain);
+ BMAP_SET(pxm_bitmap, cpu_affinity->proximity_domain_lo);
- apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain;
+ apicid_to_pxm[cpu_affinity->apic_id] = cpu_affinity->proximity_domain_lo;
printk("CPU 0x%02X in proximity domain 0x%02X\n",
- cpu_affinity->apic_id, cpu_affinity->proximity_domain);
+ cpu_affinity->apic_id, cpu_affinity->proximity_domain_lo);
}
/*
@@ -84,28 +84,27 @@ static void __init parse_cpu_affinity_structure(char *p)
static void __init parse_memory_affinity_structure (char *sratp)
{
unsigned long long paddr, size;
- unsigned long start_pfn, end_pfn;
+ unsigned long start_pfn, end_pfn;
u8 pxm;
struct node_memory_chunk_s *p, *q, *pend;
- struct acpi_table_memory_affinity *memory_affinity =
- (struct acpi_table_memory_affinity *) sratp;
+ struct acpi_srat_mem_affinity *memory_affinity =
+ (struct acpi_srat_mem_affinity *) sratp;
- if (!memory_affinity->flags.enabled)
+ if ((memory_affinity->flags & ACPI_SRAT_MEM_ENABLED) == 0)
return; /* empty entry */
+ pxm = memory_affinity->proximity_domain & 0xff;
+
/* mark this node as "seen" in node bitmap */
- BMAP_SET(pxm_bitmap, memory_affinity->proximity_domain);
+ BMAP_SET(pxm_bitmap, pxm);
/* calculate info for memory chunk structure */
- paddr = memory_affinity->base_addr_hi;
- paddr = (paddr << 32) | memory_affinity->base_addr_lo;
- size = memory_affinity->length_hi;
- size = (size << 32) | memory_affinity->length_lo;
-
+ paddr = memory_affinity->base_address;
+ size = memory_affinity->length;
+
start_pfn = paddr >> PAGE_SHIFT;
end_pfn = (paddr + size) >> PAGE_SHIFT;
-
- pxm = memory_affinity->proximity_domain;
+
if (num_memory_chunks >= MAXCHUNKS) {
printk("Too many mem chunks in SRAT. Ignoring %lld MBytes at %llx\n",
@@ -132,8 +131,8 @@ static void __init parse_memory_affinity_structure (char *sratp)
printk("Memory range 0x%lX to 0x%lX (type 0x%X) in proximity domain 0x%02X %s\n",
start_pfn, end_pfn,
memory_affinity->memory_type,
- memory_affinity->proximity_domain,
- (memory_affinity->flags.hot_pluggable ?
+ pxm,
+ ((memory_affinity->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) ?
"enabled and removable" : "enabled" ) );
}
@@ -185,10 +184,10 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp)
num_memory_chunks = 0;
while (p < end) {
switch (*p) {
- case ACPI_SRAT_PROCESSOR_AFFINITY:
+ case ACPI_SRAT_TYPE_CPU_AFFINITY:
parse_cpu_affinity_structure(p);
break;
- case ACPI_SRAT_MEMORY_AFFINITY:
+ case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
parse_memory_affinity_structure(p);
break;
default:
@@ -262,31 +261,30 @@ out_fail:
return 0;
}
+struct acpi_static_rsdt {
+ struct acpi_table_rsdt table;
+ u32 padding[7]; /* Allow for 7 more table entries */
+};
+
int __init get_memcfg_from_srat(void)
{
struct acpi_table_header *header = NULL;
struct acpi_table_rsdp *rsdp = NULL;
struct acpi_table_rsdt *rsdt = NULL;
- struct acpi_pointer *rsdp_address = NULL;
- struct acpi_table_rsdt saved_rsdt;
+ acpi_native_uint rsdp_address = 0;
+ struct acpi_static_rsdt saved_rsdt;
int tables = 0;
int i = 0;
- if (ACPI_FAILURE(acpi_find_root_pointer(ACPI_PHYSICAL_ADDRESSING,
- rsdp_address))) {
+ rsdp_address = acpi_find_rsdp();
+ if (!rsdp_address) {
printk("%s: System description tables not found\n",
__FUNCTION__);
goto out_err;
}
- if (rsdp_address->pointer_type == ACPI_PHYSICAL_POINTER) {
- printk("%s: assigning address to rsdp\n", __FUNCTION__);
- rsdp = (struct acpi_table_rsdp *)
- (u32)rsdp_address->pointer.physical;
- } else {
- printk("%s: rsdp_address is not a physical pointer\n", __FUNCTION__);
- goto out_err;
- }
+ printk("%s: assigning address to rsdp\n", __FUNCTION__);
+ rsdp = (struct acpi_table_rsdp *)(u32)rsdp_address;
if (!rsdp) {
printk("%s: Didn't find ACPI root!\n", __FUNCTION__);
goto out_err;
@@ -295,13 +293,13 @@ int __init get_memcfg_from_srat(void)
printk(KERN_INFO "%.8s v%d [%.6s]\n", rsdp->signature, rsdp->revision,
rsdp->oem_id);
- if (strncmp(rsdp->signature, RSDP_SIG,strlen(RSDP_SIG))) {
+ if (strncmp(rsdp->signature, ACPI_SIG_RSDP,strlen(ACPI_SIG_RSDP))) {
printk(KERN_WARNING "%s: RSDP table signature incorrect\n", __FUNCTION__);
goto out_err;
}
rsdt = (struct acpi_table_rsdt *)
- boot_ioremap(rsdp->rsdt_address, sizeof(struct acpi_table_rsdt));
+ boot_ioremap(rsdp->rsdt_physical_address, sizeof(struct acpi_table_rsdt));
if (!rsdt) {
printk(KERN_WARNING
@@ -310,9 +308,9 @@ int __init get_memcfg_from_srat(void)
goto out_err;
}
- header = & rsdt->header;
+ header = &rsdt->header;
- if (strncmp(header->signature, RSDT_SIG, strlen(RSDT_SIG))) {
+ if (strncmp(header->signature, ACPI_SIG_RSDT, strlen(ACPI_SIG_RSDT))) {
printk(KERN_WARNING "ACPI: RSDT signature incorrect\n");
goto out_err;
}
@@ -330,9 +328,9 @@ int __init get_memcfg_from_srat(void)
memcpy(&saved_rsdt, rsdt, sizeof(saved_rsdt));
- if (saved_rsdt.header.length > sizeof(saved_rsdt)) {
+ if (saved_rsdt.table.header.length > sizeof(saved_rsdt)) {
printk(KERN_WARNING "ACPI: Too big length in RSDT: %d\n",
- saved_rsdt.header.length);
+ saved_rsdt.table.header.length);
goto out_err;
}
@@ -341,15 +339,15 @@ int __init get_memcfg_from_srat(void)
for (i = 0; i < tables; i++) {
/* Map in header, then map in full table length. */
header = (struct acpi_table_header *)
- boot_ioremap(saved_rsdt.entry[i], sizeof(struct acpi_table_header));
+ boot_ioremap(saved_rsdt.table.table_offset_entry[i], sizeof(struct acpi_table_header));
if (!header)
break;
header = (struct acpi_table_header *)
- boot_ioremap(saved_rsdt.entry[i], header->length);
+ boot_ioremap(saved_rsdt.table.table_offset_entry[i], header->length);
if (!header)
break;
- if (strncmp((char *) &header->signature, "SRAT", 4))
+ if (strncmp((char *) &header->signature, ACPI_SIG_SRAT, 4))
continue;
/* we've found the srat table. don't need to look at any more tables */
diff --git a/arch/i386/kernel/sysenter.c b/arch/i386/kernel/sysenter.c
index 5da744204d1..bc882a2b1db 100644
--- a/arch/i386/kernel/sysenter.c
+++ b/arch/i386/kernel/sysenter.c
@@ -70,11 +70,12 @@ void enable_sep_cpu(void)
*/
extern const char vsyscall_int80_start, vsyscall_int80_end;
extern const char vsyscall_sysenter_start, vsyscall_sysenter_end;
-static void *syscall_page;
+static struct page *syscall_pages[1];
int __init sysenter_setup(void)
{
- syscall_page = (void *)get_zeroed_page(GFP_ATOMIC);
+ void *syscall_page = (void *)get_zeroed_page(GFP_ATOMIC);
+ syscall_pages[0] = virt_to_page(syscall_page);
#ifdef CONFIG_COMPAT_VDSO
__set_fixmap(FIX_VDSO, __pa(syscall_page), PAGE_READONLY);
@@ -96,31 +97,12 @@ int __init sysenter_setup(void)
}
#ifndef CONFIG_COMPAT_VDSO
-static struct page *syscall_nopage(struct vm_area_struct *vma,
- unsigned long adr, int *type)
-{
- struct page *p = virt_to_page(adr - vma->vm_start + syscall_page);
- get_page(p);
- return p;
-}
-
-/* Prevent VMA merging */
-static void syscall_vma_close(struct vm_area_struct *vma)
-{
-}
-
-static struct vm_operations_struct syscall_vm_ops = {
- .close = syscall_vma_close,
- .nopage = syscall_nopage,
-};
-
/* Defined in vsyscall-sysenter.S */
extern void SYSENTER_RETURN;
/* Setup a VMA at program startup for the vsyscall page */
int arch_setup_additional_pages(struct linux_binprm *bprm, int exstack)
{
- struct vm_area_struct *vma;
struct mm_struct *mm = current->mm;
unsigned long addr;
int ret;
@@ -132,38 +114,25 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int exstack)
goto up_fail;
}
- vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
- if (!vma) {
- ret = -ENOMEM;
- goto up_fail;
- }
-
- vma->vm_start = addr;
- vma->vm_end = addr + PAGE_SIZE;
- /* MAYWRITE to allow gdb to COW and set breakpoints */
- vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYEXEC|VM_MAYWRITE;
/*
+ * MAYWRITE to allow gdb to COW and set breakpoints
+ *
* Make sure the vDSO gets into every core dump.
* Dumping its contents makes post-mortem fully interpretable later
* without matching up the same kernel and hardware config to see
* what PC values meant.
*/
- vma->vm_flags |= VM_ALWAYSDUMP;
- vma->vm_flags |= mm->def_flags;
- vma->vm_page_prot = protection_map[vma->vm_flags & 7];
- vma->vm_ops = &syscall_vm_ops;
- vma->vm_mm = mm;
-
- ret = insert_vm_struct(mm, vma);
- if (unlikely(ret)) {
- kmem_cache_free(vm_area_cachep, vma);
+ ret = install_special_mapping(mm, addr, PAGE_SIZE,
+ VM_READ|VM_EXEC|
+ VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC|
+ VM_ALWAYSDUMP,
+ syscall_pages);
+ if (ret)
goto up_fail;
- }
current->mm->context.vdso = (void *)addr;
current_thread_info()->sysenter_return =
(void *)VDSO_SYM(&SYSENTER_RETURN);
- mm->total_vm++;
up_fail:
up_write(&mm->mmap_sem);
return ret;
diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S
index a53c8b1854b..5038a73d554 100644
--- a/arch/i386/kernel/vmlinux.lds.S
+++ b/arch/i386/kernel/vmlinux.lds.S
@@ -181,12 +181,14 @@ SECTIONS
from .altinstructions and .eh_frame */
.exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
+#if defined(CONFIG_BLK_DEV_INITRD)
. = ALIGN(4096);
.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
__initramfs_start = .;
*(.init.ramfs)
__initramfs_end = .;
}
+#endif
. = ALIGN(L1_CACHE_BYTES);
.data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
__per_cpu_start = .;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-26 14:20:11 +0000