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authorDavid S. Miller <davem@davemloft.net>2011-12-30 13:04:14 -0500
committerDavid S. Miller <davem@davemloft.net>2011-12-30 13:04:14 -0500
commit7f8e3234c5f7fbdb06be050c8a1907e9c36d7c61 (patch)
treed6e9edb2087fa4a97b2cc3d585a0189672a14cf4 /arch
parent8ade06c616b34b4237c0ed77d1ff0ce04ad7d056 (diff)
parent89307babf966165171547f105e2253dec261cfa5 (diff)
downloadlinux-7f8e3234c5f7fbdb06be050c8a1907e9c36d7c61.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/oprofile/common.c2
-rw-r--r--arch/ia64/include/asm/cputime.h1
-rw-r--r--arch/powerpc/include/asm/cputime.h2
-rw-r--r--arch/powerpc/include/asm/kvm_book3s.h33
-rw-r--r--arch/powerpc/include/asm/kvm_book3s_64.h33
-rw-r--r--arch/powerpc/kvm/book3s_hv.c2
-rw-r--r--arch/powerpc/kvm/book3s_pr.c2
-rw-r--r--arch/powerpc/kvm/e500.c1
-rw-r--r--arch/s390/include/asm/cputime.h2
-rw-r--r--arch/sh/oprofile/common.c4
-rw-r--r--arch/sparc/kernel/pci_sun4v.c4
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c2
-rw-r--r--arch/x86/kvm/i8254.c10
-rw-r--r--arch/x86/kvm/x86.c19
14 files changed, 64 insertions, 53 deletions
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index c074e66ad224..4e0a371630b3 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -116,7 +116,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
return oprofile_perf_init(ops);
}
-void __exit oprofile_arch_exit(void)
+void oprofile_arch_exit(void)
{
oprofile_perf_exit();
}
diff --git a/arch/ia64/include/asm/cputime.h b/arch/ia64/include/asm/cputime.h
index 6073b187528a..5a274af31b2b 100644
--- a/arch/ia64/include/asm/cputime.h
+++ b/arch/ia64/include/asm/cputime.h
@@ -60,6 +60,7 @@ typedef u64 cputime64_t;
*/
#define cputime_to_usecs(__ct) ((__ct) / NSEC_PER_USEC)
#define usecs_to_cputime(__usecs) ((__usecs) * NSEC_PER_USEC)
+#define usecs_to_cputime64(__usecs) usecs_to_cputime(__usecs)
/*
* Convert cputime <-> seconds
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h
index 1cf20bdfbeca..98b7c4b49c9d 100644
--- a/arch/powerpc/include/asm/cputime.h
+++ b/arch/powerpc/include/asm/cputime.h
@@ -150,6 +150,8 @@ static inline cputime_t usecs_to_cputime(const unsigned long us)
return ct;
}
+#define usecs_to_cputime64(us) usecs_to_cputime(us)
+
/*
* Convert cputime <-> seconds
*/
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index d4df013ad779..69c7377d2071 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -381,39 +381,6 @@ static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
}
#endif
-static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
- unsigned long pte_index)
-{
- unsigned long rb, va_low;
-
- rb = (v & ~0x7fUL) << 16; /* AVA field */
- va_low = pte_index >> 3;
- if (v & HPTE_V_SECONDARY)
- va_low = ~va_low;
- /* xor vsid from AVA */
- if (!(v & HPTE_V_1TB_SEG))
- va_low ^= v >> 12;
- else
- va_low ^= v >> 24;
- va_low &= 0x7ff;
- if (v & HPTE_V_LARGE) {
- rb |= 1; /* L field */
- if (cpu_has_feature(CPU_FTR_ARCH_206) &&
- (r & 0xff000)) {
- /* non-16MB large page, must be 64k */
- /* (masks depend on page size) */
- rb |= 0x1000; /* page encoding in LP field */
- rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
- rb |= (va_low & 0xfe); /* AVAL field (P7 doesn't seem to care) */
- }
- } else {
- /* 4kB page */
- rb |= (va_low & 0x7ff) << 12; /* remaining 11b of VA */
- }
- rb |= (v >> 54) & 0x300; /* B field */
- return rb;
-}
-
/* Magic register values loaded into r3 and r4 before the 'sc' assembly
* instruction for the OSI hypercalls */
#define OSI_SC_MAGIC_R3 0x113724FA
diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index e43fe42b9875..d0ac94f98f9e 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -29,4 +29,37 @@ static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu)
#define SPAPR_TCE_SHIFT 12
+static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
+ unsigned long pte_index)
+{
+ unsigned long rb, va_low;
+
+ rb = (v & ~0x7fUL) << 16; /* AVA field */
+ va_low = pte_index >> 3;
+ if (v & HPTE_V_SECONDARY)
+ va_low = ~va_low;
+ /* xor vsid from AVA */
+ if (!(v & HPTE_V_1TB_SEG))
+ va_low ^= v >> 12;
+ else
+ va_low ^= v >> 24;
+ va_low &= 0x7ff;
+ if (v & HPTE_V_LARGE) {
+ rb |= 1; /* L field */
+ if (cpu_has_feature(CPU_FTR_ARCH_206) &&
+ (r & 0xff000)) {
+ /* non-16MB large page, must be 64k */
+ /* (masks depend on page size) */
+ rb |= 0x1000; /* page encoding in LP field */
+ rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
+ rb |= (va_low & 0xfe); /* AVAL field (P7 doesn't seem to care) */
+ }
+ } else {
+ /* 4kB page */
+ rb |= (va_low & 0x7ff) << 12; /* remaining 11b of VA */
+ }
+ rb |= (v >> 54) & 0x300; /* B field */
+ return rb;
+}
+
#endif /* __ASM_KVM_BOOK3S_64_H__ */
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 0cb137a9b038..336983da9e72 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -538,7 +538,7 @@ static void kvmppc_start_thread(struct kvm_vcpu *vcpu)
tpaca->kvm_hstate.napping = 0;
vcpu->cpu = vc->pcpu;
smp_wmb();
-#ifdef CONFIG_PPC_ICP_NATIVE
+#if defined(CONFIG_PPC_ICP_NATIVE) && defined(CONFIG_SMP)
if (vcpu->arch.ptid) {
tpaca->cpu_start = 0x80;
wmb();
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 3c791e1eb675..e2cfb9e1e20e 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -658,10 +658,12 @@ program_interrupt:
ulong cmd = kvmppc_get_gpr(vcpu, 3);
int i;
+#ifdef CONFIG_KVM_BOOK3S_64_PR
if (kvmppc_h_pr(vcpu, cmd) == EMULATE_DONE) {
r = RESUME_GUEST;
break;
}
+#endif
run->papr_hcall.nr = cmd;
for (i = 0; i < 9; ++i) {
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 26d20903f2bc..8c0d45a6faf7 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -15,6 +15,7 @@
#include <linux/kvm_host.h>
#include <linux/slab.h>
#include <linux/err.h>
+#include <linux/export.h>
#include <asm/reg.h>
#include <asm/cputable.h>
diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h
index 081434878296..b9acaaa175d8 100644
--- a/arch/s390/include/asm/cputime.h
+++ b/arch/s390/include/asm/cputime.h
@@ -87,6 +87,8 @@ usecs_to_cputime(const unsigned int m)
return (cputime_t) m * 4096;
}
+#define usecs_to_cputime64(m) usecs_to_cputime(m)
+
/*
* Convert cputime to milliseconds and back.
*/
diff --git a/arch/sh/oprofile/common.c b/arch/sh/oprofile/common.c
index b4c2d2b946dd..e4dd5d5a1115 100644
--- a/arch/sh/oprofile/common.c
+++ b/arch/sh/oprofile/common.c
@@ -49,7 +49,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
return oprofile_perf_init(ops);
}
-void __exit oprofile_arch_exit(void)
+void oprofile_arch_exit(void)
{
oprofile_perf_exit();
kfree(sh_pmu_op_name);
@@ -60,5 +60,5 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
ops->backtrace = sh_backtrace;
return -ENODEV;
}
-void __exit oprofile_arch_exit(void) {}
+void oprofile_arch_exit(void) {}
#endif /* CONFIG_HW_PERF_EVENTS */
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index b272cda35a01..af5755d20fbe 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -849,10 +849,10 @@ static int pci_sun4v_msiq_build_irq(struct pci_pbm_info *pbm,
if (!irq)
return -ENOMEM;
- if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
- return -EINVAL;
if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID))
return -EINVAL;
+ if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
+ return -EINVAL;
return irq;
}
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 8d601b18bf9f..121f1be4da19 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1169,7 +1169,7 @@ again:
*/
c = &unconstrained;
} else if (intel_try_alt_er(event, orig_idx)) {
- raw_spin_unlock(&era->lock);
+ raw_spin_unlock_irqrestore(&era->lock, flags);
goto again;
}
raw_spin_unlock_irqrestore(&era->lock, flags);
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 76e3f1cd0369..405f2620392f 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -338,11 +338,15 @@ static enum hrtimer_restart pit_timer_fn(struct hrtimer *data)
return HRTIMER_NORESTART;
}
-static void create_pit_timer(struct kvm_kpit_state *ps, u32 val, int is_period)
+static void create_pit_timer(struct kvm *kvm, u32 val, int is_period)
{
+ struct kvm_kpit_state *ps = &kvm->arch.vpit->pit_state;
struct kvm_timer *pt = &ps->pit_timer;
s64 interval;
+ if (!irqchip_in_kernel(kvm))
+ return;
+
interval = muldiv64(val, NSEC_PER_SEC, KVM_PIT_FREQ);
pr_debug("create pit timer, interval is %llu nsec\n", interval);
@@ -394,13 +398,13 @@ static void pit_load_count(struct kvm *kvm, int channel, u32 val)
/* FIXME: enhance mode 4 precision */
case 4:
if (!(ps->flags & KVM_PIT_FLAGS_HPET_LEGACY)) {
- create_pit_timer(ps, val, 0);
+ create_pit_timer(kvm, val, 0);
}
break;
case 2:
case 3:
if (!(ps->flags & KVM_PIT_FLAGS_HPET_LEGACY)){
- create_pit_timer(ps, val, 1);
+ create_pit_timer(kvm, val, 1);
}
break;
default:
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c38efd7b792e..4c938da2ba00 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -602,7 +602,6 @@ static void update_cpuid(struct kvm_vcpu *vcpu)
{
struct kvm_cpuid_entry2 *best;
struct kvm_lapic *apic = vcpu->arch.apic;
- u32 timer_mode_mask;
best = kvm_find_cpuid_entry(vcpu, 1, 0);
if (!best)
@@ -615,15 +614,12 @@ static void update_cpuid(struct kvm_vcpu *vcpu)
best->ecx |= bit(X86_FEATURE_OSXSAVE);
}
- if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
- best->function == 0x1) {
- best->ecx |= bit(X86_FEATURE_TSC_DEADLINE_TIMER);
- timer_mode_mask = 3 << 17;
- } else
- timer_mode_mask = 1 << 17;
-
- if (apic)
- apic->lapic_timer.timer_mode_mask = timer_mode_mask;
+ if (apic) {
+ if (best->ecx & bit(X86_FEATURE_TSC_DEADLINE_TIMER))
+ apic->lapic_timer.timer_mode_mask = 3 << 17;
+ else
+ apic->lapic_timer.timer_mode_mask = 1 << 17;
+ }
}
int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
@@ -2135,6 +2131,9 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_TSC_CONTROL:
r = kvm_has_tsc_control;
break;
+ case KVM_CAP_TSC_DEADLINE_TIMER:
+ r = boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER);
+ break;
default:
r = 0;
break;