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yaml
---
r: 131446
b: refs/heads/master
c: 23beafb
h: refs/heads/master
v: v3
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Linus Torvalds committed Feb 17, 2009
1 parent 3187e90 commit 0d507b9
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Showing 81 changed files with 815 additions and 412 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8eb2dfac41c71701bb741f496f0cb7b7e4a3c3f6
refs/heads/master: 23beafbe3abd3f622931e83ef4e6b17642cf408e
14 changes: 7 additions & 7 deletions trunk/MAINTAINERS
Original file line number Diff line number Diff line change
Expand Up @@ -1905,10 +1905,10 @@ W: http://gigaset307x.sourceforge.net/
S: Maintained

HARD DRIVE ACTIVE PROTECTION SYSTEM (HDAPS) DRIVER
P: Robert Love
M: rlove@rlove.org
M: linux-kernel@vger.kernel.org
W: http://www.kernel.org/pub/linux/kernel/people/rml/hdaps/
P: Frank Seidel
M: frank@f-seidel.de
L: lm-sensors@lm-sensors.org
W: http://www.kernel.org/pub/linux/kernel/people/fseidel/hdaps/
S: Maintained

GSPCA FINEPIX SUBDRIVER
Expand Down Expand Up @@ -4924,11 +4924,11 @@ L: zd1211-devs@lists.sourceforge.net (subscribers-only)
S: Maintained

ZR36067 VIDEO FOR LINUX DRIVER
P: Ronald Bultje
M: rbultje@ronald.bitfreak.net
L: mjpeg-users@lists.sourceforge.net
L: linux-media@vger.kernel.org
W: http://mjpeg.sourceforge.net/driver-zoran/
S: Maintained
T: Mercurial http://linuxtv.org/hg/v4l-dvb
S: Odd Fixes

ZS DECSTATION Z85C30 SERIAL DRIVER
P: Maciej W. Rozycki
Expand Down
2 changes: 1 addition & 1 deletion trunk/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -389,6 +389,7 @@ PHONY += outputmakefile
# output directory.
outputmakefile:
ifneq ($(KBUILD_SRC),)
$(Q)ln -fsn $(srctree) source
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
$(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
endif
Expand Down Expand Up @@ -946,7 +947,6 @@ ifneq ($(KBUILD_SRC),)
mkdir -p include2; \
ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm; \
fi
ln -fsn $(srctree) source
endif

# prepare2 creates a makefile if using a separate output directory
Expand Down
8 changes: 4 additions & 4 deletions trunk/arch/alpha/kernel/process.c
Original file line number Diff line number Diff line change
Expand Up @@ -93,8 +93,8 @@ common_shutdown_1(void *generic_ptr)
if (cpuid != boot_cpuid) {
flags |= 0x00040000UL; /* "remain halted" */
*pflags = flags;
cpu_clear(cpuid, cpu_present_map);
cpu_clear(cpuid, cpu_possible_map);
set_cpu_present(cpuid, false);
set_cpu_possible(cpuid, false);
halt();
}
#endif
Expand All @@ -120,8 +120,8 @@ common_shutdown_1(void *generic_ptr)

#ifdef CONFIG_SMP
/* Wait for the secondaries to halt. */
cpu_clear(boot_cpuid, cpu_present_map);
cpu_clear(boot_cpuid, cpu_possible_map);
set_cpu_present(boot_cpuid, false);
set_cpu_possible(boot_cpuid, false);
while (cpus_weight(cpu_present_map))
barrier();
#endif
Expand Down
12 changes: 6 additions & 6 deletions trunk/arch/alpha/kernel/smp.c
Original file line number Diff line number Diff line change
Expand Up @@ -120,12 +120,12 @@ void __cpuinit
smp_callin(void)
{
int cpuid = hard_smp_processor_id();
cpumask_t mask = cpu_online_map;

if (cpu_test_and_set(cpuid, mask)) {
if (cpu_online(cpuid)) {
printk("??, cpu 0x%x already present??\n", cpuid);
BUG();
}
set_cpu_online(cpuid, true);

/* Turn on machine checks. */
wrmces(7);
Expand Down Expand Up @@ -436,8 +436,8 @@ setup_smp(void)
((char *)cpubase + i*hwrpb->processor_size);
if ((cpu->flags & 0x1cc) == 0x1cc) {
smp_num_probed++;
cpu_set(i, cpu_possible_map);
cpu_set(i, cpu_present_map);
set_cpu_possible(i, true);
set_cpu_present(i, true);
cpu->pal_revision = boot_cpu_palrev;
}

Expand Down Expand Up @@ -470,8 +470,8 @@ smp_prepare_cpus(unsigned int max_cpus)

/* Nothing to do on a UP box, or when told not to. */
if (smp_num_probed == 1 || max_cpus == 0) {
cpu_possible_map = cpumask_of_cpu(boot_cpuid);
cpu_present_map = cpumask_of_cpu(boot_cpuid);
init_cpu_possible(cpumask_of(boot_cpuid));
init_cpu_present(cpumask_of(boot_cpuid));
printk(KERN_INFO "SMP mode deactivated.\n");
return;
}
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4 changes: 4 additions & 0 deletions trunk/arch/ia64/include/asm/kvm.h
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,10 @@

#include <linux/ioctl.h>

/* Select x86 specific features in <linux/kvm.h> */
#define __KVM_HAVE_IOAPIC
#define __KVM_HAVE_DEVICE_ASSIGNMENT

/* Architectural interrupt line count. */
#define KVM_NR_INTERRUPTS 256

Expand Down
4 changes: 4 additions & 0 deletions trunk/arch/ia64/kvm/kvm-ia64.c
Original file line number Diff line number Diff line change
Expand Up @@ -1337,6 +1337,10 @@ static void kvm_release_vm_pages(struct kvm *kvm)
}
}

void kvm_arch_sync_events(struct kvm *kvm)
{
}

void kvm_arch_destroy_vm(struct kvm *kvm)
{
kvm_iommu_unmap_guest(kvm);
Expand Down
17 changes: 9 additions & 8 deletions trunk/arch/ia64/kvm/process.c
Original file line number Diff line number Diff line change
Expand Up @@ -455,13 +455,18 @@ fpswa_ret_t vmm_fp_emulate(int fp_fault, void *bundle, unsigned long *ipsr,
if (!vmm_fpswa_interface)
return (fpswa_ret_t) {-1, 0, 0, 0};

/*
* Just let fpswa driver to use hardware fp registers.
* No fp register is valid in memory.
*/
memset(&fp_state, 0, sizeof(fp_state_t));

/*
* compute fp_state. only FP registers f6 - f11 are used by the
* vmm, so set those bits in the mask and set the low volatile
* pointer to point to these registers.
*/
fp_state.bitmask_low64 = 0xfc0; /* bit6..bit11 */

fp_state.fp_state_low_volatile = (fp_state_low_volatile_t *) &regs->f6;

/*
* unsigned long (*EFI_FPSWA) (
* unsigned long trap_type,
* void *Bundle,
Expand Down Expand Up @@ -545,10 +550,6 @@ void reflect_interruption(u64 ifa, u64 isr, u64 iim,
status = vmm_handle_fpu_swa(0, regs, isr);
if (!status)
return ;
else if (-EAGAIN == status) {
vcpu_decrement_iip(vcpu);
return ;
}
break;
}

Expand Down
4 changes: 4 additions & 0 deletions trunk/arch/powerpc/kvm/powerpc.c
Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,10 @@ static void kvmppc_free_vcpus(struct kvm *kvm)
}
}

void kvm_arch_sync_events(struct kvm *kvm)
{
}

void kvm_arch_destroy_vm(struct kvm *kvm)
{
kvmppc_free_vcpus(kvm);
Expand Down
4 changes: 4 additions & 0 deletions trunk/arch/s390/kvm/kvm-s390.c
Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,10 @@ static void kvm_free_vcpus(struct kvm *kvm)
}
}

void kvm_arch_sync_events(struct kvm *kvm)
{
}

void kvm_arch_destroy_vm(struct kvm *kvm)
{
kvm_free_vcpus(kvm);
Expand Down
7 changes: 7 additions & 0 deletions trunk/arch/x86/include/asm/kvm.h
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,13 @@
#include <linux/types.h>
#include <linux/ioctl.h>

/* Select x86 specific features in <linux/kvm.h> */
#define __KVM_HAVE_PIT
#define __KVM_HAVE_IOAPIC
#define __KVM_HAVE_DEVICE_ASSIGNMENT
#define __KVM_HAVE_MSI
#define __KVM_HAVE_USER_NMI

/* Architectural interrupt line count. */
#define KVM_NR_INTERRUPTS 256

Expand Down
12 changes: 7 additions & 5 deletions trunk/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
Original file line number Diff line number Diff line change
Expand Up @@ -1157,8 +1157,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
data->cpu = pol->cpu;
data->currpstate = HW_PSTATE_INVALID;

rc = powernow_k8_cpu_init_acpi(data);
if (rc) {
if (powernow_k8_cpu_init_acpi(data)) {
/*
* Use the PSB BIOS structure. This is only availabe on
* an UP version, and is deprecated by AMD.
Expand All @@ -1176,17 +1175,20 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
"ACPI maintainers and complain to your BIOS "
"vendor.\n");
#endif
goto err_out;
kfree(data);
return -ENODEV;
}
if (pol->cpu != 0) {
printk(KERN_ERR FW_BUG PFX "No ACPI _PSS objects for "
"CPU other than CPU0. Complain to your BIOS "
"vendor.\n");
goto err_out;
kfree(data);
return -ENODEV;
}
rc = find_psb_table(data);
if (rc) {
goto err_out;
kfree(data);
return -ENODEV;
}
/* Take a crude guess here.
* That guess was in microseconds, so multiply with 1000 */
Expand Down
2 changes: 1 addition & 1 deletion trunk/arch/x86/kvm/i8254.c
Original file line number Diff line number Diff line change
Expand Up @@ -207,7 +207,7 @@ static int __pit_timer_fn(struct kvm_kpit_state *ps)
hrtimer_add_expires_ns(&pt->timer, pt->period);
pt->scheduled = hrtimer_get_expires_ns(&pt->timer);
if (pt->period)
ps->channels[0].count_load_time = hrtimer_get_expires(&pt->timer);
ps->channels[0].count_load_time = ktime_get();

return (pt->period == 0 ? 0 : 1);
}
Expand Down
7 changes: 0 additions & 7 deletions trunk/arch/x86/kvm/irq.c
Original file line number Diff line number Diff line change
Expand Up @@ -87,13 +87,6 @@ void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu)
}
EXPORT_SYMBOL_GPL(kvm_inject_pending_timer_irqs);

void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec)
{
kvm_apic_timer_intr_post(vcpu, vec);
/* TODO: PIT, RTC etc. */
}
EXPORT_SYMBOL_GPL(kvm_timer_intr_post);

void __kvm_migrate_timers(struct kvm_vcpu *vcpu)
{
__kvm_migrate_apic_timer(vcpu);
Expand Down
1 change: 0 additions & 1 deletion trunk/arch/x86/kvm/irq.h
Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,6 @@ static inline int irqchip_in_kernel(struct kvm *kvm)

void kvm_pic_reset(struct kvm_kpic_state *s);

void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec);
void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu);
void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu);
void kvm_apic_nmi_wd_deliver(struct kvm_vcpu *vcpu);
Expand Down
66 changes: 15 additions & 51 deletions trunk/arch/x86/kvm/lapic.c
Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,12 @@
#include "kvm_cache_regs.h"
#include "irq.h"

#ifndef CONFIG_X86_64
#define mod_64(x, y) ((x) - (y) * div64_u64(x, y))
#else
#define mod_64(x, y) ((x) % (y))
#endif

#define PRId64 "d"
#define PRIx64 "llx"
#define PRIu64 "u"
Expand Down Expand Up @@ -511,52 +517,22 @@ static void apic_send_ipi(struct kvm_lapic *apic)

static u32 apic_get_tmcct(struct kvm_lapic *apic)
{
u64 counter_passed;
ktime_t passed, now;
ktime_t remaining;
s64 ns;
u32 tmcct;

ASSERT(apic != NULL);

now = apic->timer.dev.base->get_time();
tmcct = apic_get_reg(apic, APIC_TMICT);

/* if initial count is 0, current count should also be 0 */
if (tmcct == 0)
if (apic_get_reg(apic, APIC_TMICT) == 0)
return 0;

if (unlikely(ktime_to_ns(now) <=
ktime_to_ns(apic->timer.last_update))) {
/* Wrap around */
passed = ktime_add(( {
(ktime_t) {
.tv64 = KTIME_MAX -
(apic->timer.last_update).tv64}; }
), now);
apic_debug("time elapsed\n");
} else
passed = ktime_sub(now, apic->timer.last_update);

counter_passed = div64_u64(ktime_to_ns(passed),
(APIC_BUS_CYCLE_NS * apic->timer.divide_count));

if (counter_passed > tmcct) {
if (unlikely(!apic_lvtt_period(apic))) {
/* one-shot timers stick at 0 until reset */
tmcct = 0;
} else {
/*
* periodic timers reset to APIC_TMICT when they
* hit 0. The while loop simulates this happening N
* times. (counter_passed %= tmcct) would also work,
* but might be slower or not work on 32-bit??
*/
while (counter_passed > tmcct)
counter_passed -= tmcct;
tmcct -= counter_passed;
}
} else {
tmcct -= counter_passed;
}
remaining = hrtimer_expires_remaining(&apic->timer.dev);
if (ktime_to_ns(remaining) < 0)
remaining = ktime_set(0, 0);

ns = mod_64(ktime_to_ns(remaining), apic->timer.period);
tmcct = div64_u64(ns, (APIC_BUS_CYCLE_NS * apic->timer.divide_count));

return tmcct;
}
Expand Down Expand Up @@ -653,8 +629,6 @@ static void start_apic_timer(struct kvm_lapic *apic)
{
ktime_t now = apic->timer.dev.base->get_time();

apic->timer.last_update = now;

apic->timer.period = apic_get_reg(apic, APIC_TMICT) *
APIC_BUS_CYCLE_NS * apic->timer.divide_count;
atomic_set(&apic->timer.pending, 0);
Expand Down Expand Up @@ -1110,16 +1084,6 @@ void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu)
}
}

void kvm_apic_timer_intr_post(struct kvm_vcpu *vcpu, int vec)
{
struct kvm_lapic *apic = vcpu->arch.apic;

if (apic && apic_lvt_vector(apic, APIC_LVTT) == vec)
apic->timer.last_update = ktime_add_ns(
apic->timer.last_update,
apic->timer.period);
}

int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu)
{
int vector = kvm_apic_has_interrupt(vcpu);
Expand Down
2 changes: 0 additions & 2 deletions trunk/arch/x86/kvm/lapic.h
Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,6 @@ struct kvm_lapic {
atomic_t pending;
s64 period; /* unit: ns */
u32 divide_count;
ktime_t last_update;
struct hrtimer dev;
} timer;
struct kvm_vcpu *vcpu;
Expand Down Expand Up @@ -42,7 +41,6 @@ void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data);
void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu);
int kvm_lapic_enabled(struct kvm_vcpu *vcpu);
int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu);
void kvm_apic_timer_intr_post(struct kvm_vcpu *vcpu, int vec);

void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr);
void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu);
Expand Down
9 changes: 7 additions & 2 deletions trunk/arch/x86/kvm/mmu.c
Original file line number Diff line number Diff line change
Expand Up @@ -1698,8 +1698,13 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte,
if (largepage)
spte |= PT_PAGE_SIZE_MASK;
if (mt_mask) {
mt_mask = get_memory_type(vcpu, gfn) <<
kvm_x86_ops->get_mt_mask_shift();
if (!kvm_is_mmio_pfn(pfn)) {
mt_mask = get_memory_type(vcpu, gfn) <<
kvm_x86_ops->get_mt_mask_shift();
mt_mask |= VMX_EPT_IGMT_BIT;
} else
mt_mask = MTRR_TYPE_UNCACHABLE <<
kvm_x86_ops->get_mt_mask_shift();
spte |= mt_mask;
}

Expand Down
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