* [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
@ 2014-09-09 10:27 ` Ard Biesheuvel
0 siblings, 0 replies; 10+ messages in thread
From: Ard Biesheuvel @ 2014-09-09 10:27 UTC (permalink / raw)
To: linux-arm-kernel, marc.zyngier, christoffer.dall
Cc: peter.maydell, lersek, kvmarm, kvm, Ard Biesheuvel
The ISS encoding for an exception from a Data Abort has a WnR
bit[6] that indicates whether the Data Abort was caused by a
read or a write instruction. While there are several fields
in the encoding that are only valid if the ISV bit[24] is set,
WnR is not one of them, so we can read it unconditionally.
Instead of fixing both implementations of kvm_is_write_fault()
in place, reimplement it just once using kvm_vcpu_dabt_iswrite(),
which already does the right thing with respect to the WnR bit.
Also fix up the callers to pass 'vcpu'
Acked-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
v2: reimplement locally in mmu.c and drop the 2 arch specific version
add ack
arch/arm/include/asm/kvm_mmu.h | 11 -----------
arch/arm/kvm/mmu.c | 12 ++++++++++--
arch/arm64/include/asm/kvm_mmu.h | 13 -------------
3 files changed, 10 insertions(+), 26 deletions(-)
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index 5cc0b0f5f72f..3f688b458143 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -78,17 +78,6 @@ static inline void kvm_set_pte(pte_t *pte, pte_t new_pte)
flush_pmd_entry(pte);
}
-static inline bool kvm_is_write_fault(unsigned long hsr)
-{
- unsigned long hsr_ec = hsr >> HSR_EC_SHIFT;
- if (hsr_ec == HSR_EC_IABT)
- return false;
- else if ((hsr & HSR_ISV) && !(hsr & HSR_WNR))
- return false;
- else
- return true;
-}
-
static inline void kvm_clean_pgd(pgd_t *pgd)
{
clean_dcache_area(pgd, PTRS_PER_S2_PGD * sizeof(pgd_t));
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 747ef4c97d98..c68ec28f17c3 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -746,6 +746,14 @@ static bool transparent_hugepage_adjust(pfn_t *pfnp, phys_addr_t *ipap)
return false;
}
+static bool kvm_is_write_fault(struct kvm_vcpu *vcpu)
+{
+ if (kvm_vcpu_trap_is_iabt(vcpu))
+ return false;
+
+ return kvm_vcpu_dabt_iswrite(vcpu);
+}
+
static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
struct kvm_memory_slot *memslot, unsigned long hva,
unsigned long fault_status)
@@ -760,7 +768,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
pfn_t pfn;
pgprot_t mem_type = PAGE_S2;
- write_fault = kvm_is_write_fault(kvm_vcpu_get_hsr(vcpu));
+ write_fault = kvm_is_write_fault(vcpu);
if (fault_status == FSC_PERM && !write_fault) {
kvm_err("Unexpected L2 read permission error\n");
return -EFAULT;
@@ -886,7 +894,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run)
gfn = fault_ipa >> PAGE_SHIFT;
memslot = gfn_to_memslot(vcpu->kvm, gfn);
hva = gfn_to_hva_memslot_prot(memslot, gfn, &writable);
- write_fault = kvm_is_write_fault(kvm_vcpu_get_hsr(vcpu));
+ write_fault = kvm_is_write_fault(vcpu);
if (kvm_is_error_hva(hva) || (write_fault && !writable)) {
if (is_iabt) {
/* Prefetch Abort on I/O address */
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
index 8e138c7c53ac..737da742b293 100644
--- a/arch/arm64/include/asm/kvm_mmu.h
+++ b/arch/arm64/include/asm/kvm_mmu.h
@@ -93,19 +93,6 @@ void kvm_clear_hyp_idmap(void);
#define kvm_set_pte(ptep, pte) set_pte(ptep, pte)
#define kvm_set_pmd(pmdp, pmd) set_pmd(pmdp, pmd)
-static inline bool kvm_is_write_fault(unsigned long esr)
-{
- unsigned long esr_ec = esr >> ESR_EL2_EC_SHIFT;
-
- if (esr_ec == ESR_EL2_EC_IABT)
- return false;
-
- if ((esr & ESR_EL2_ISV) && !(esr & ESR_EL2_WNR))
- return false;
-
- return true;
-}
-
static inline void kvm_clean_pgd(pgd_t *pgd) {}
static inline void kvm_clean_pmd_entry(pmd_t *pmd) {}
static inline void kvm_clean_pte(pte_t *pte) {}
--
1.8.3.2
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
@ 2014-09-09 10:27 ` Ard Biesheuvel
0 siblings, 0 replies; 10+ messages in thread
From: Ard Biesheuvel @ 2014-09-09 10:27 UTC (permalink / raw)
To: linux-arm-kernel
The ISS encoding for an exception from a Data Abort has a WnR
bit[6] that indicates whether the Data Abort was caused by a
read or a write instruction. While there are several fields
in the encoding that are only valid if the ISV bit[24] is set,
WnR is not one of them, so we can read it unconditionally.
Instead of fixing both implementations of kvm_is_write_fault()
in place, reimplement it just once using kvm_vcpu_dabt_iswrite(),
which already does the right thing with respect to the WnR bit.
Also fix up the callers to pass 'vcpu'
Acked-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
v2: reimplement locally in mmu.c and drop the 2 arch specific version
add ack
arch/arm/include/asm/kvm_mmu.h | 11 -----------
arch/arm/kvm/mmu.c | 12 ++++++++++--
arch/arm64/include/asm/kvm_mmu.h | 13 -------------
3 files changed, 10 insertions(+), 26 deletions(-)
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index 5cc0b0f5f72f..3f688b458143 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -78,17 +78,6 @@ static inline void kvm_set_pte(pte_t *pte, pte_t new_pte)
flush_pmd_entry(pte);
}
-static inline bool kvm_is_write_fault(unsigned long hsr)
-{
- unsigned long hsr_ec = hsr >> HSR_EC_SHIFT;
- if (hsr_ec == HSR_EC_IABT)
- return false;
- else if ((hsr & HSR_ISV) && !(hsr & HSR_WNR))
- return false;
- else
- return true;
-}
-
static inline void kvm_clean_pgd(pgd_t *pgd)
{
clean_dcache_area(pgd, PTRS_PER_S2_PGD * sizeof(pgd_t));
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 747ef4c97d98..c68ec28f17c3 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -746,6 +746,14 @@ static bool transparent_hugepage_adjust(pfn_t *pfnp, phys_addr_t *ipap)
return false;
}
+static bool kvm_is_write_fault(struct kvm_vcpu *vcpu)
+{
+ if (kvm_vcpu_trap_is_iabt(vcpu))
+ return false;
+
+ return kvm_vcpu_dabt_iswrite(vcpu);
+}
+
static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
struct kvm_memory_slot *memslot, unsigned long hva,
unsigned long fault_status)
@@ -760,7 +768,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
pfn_t pfn;
pgprot_t mem_type = PAGE_S2;
- write_fault = kvm_is_write_fault(kvm_vcpu_get_hsr(vcpu));
+ write_fault = kvm_is_write_fault(vcpu);
if (fault_status == FSC_PERM && !write_fault) {
kvm_err("Unexpected L2 read permission error\n");
return -EFAULT;
@@ -886,7 +894,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run)
gfn = fault_ipa >> PAGE_SHIFT;
memslot = gfn_to_memslot(vcpu->kvm, gfn);
hva = gfn_to_hva_memslot_prot(memslot, gfn, &writable);
- write_fault = kvm_is_write_fault(kvm_vcpu_get_hsr(vcpu));
+ write_fault = kvm_is_write_fault(vcpu);
if (kvm_is_error_hva(hva) || (write_fault && !writable)) {
if (is_iabt) {
/* Prefetch Abort on I/O address */
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
index 8e138c7c53ac..737da742b293 100644
--- a/arch/arm64/include/asm/kvm_mmu.h
+++ b/arch/arm64/include/asm/kvm_mmu.h
@@ -93,19 +93,6 @@ void kvm_clear_hyp_idmap(void);
#define kvm_set_pte(ptep, pte) set_pte(ptep, pte)
#define kvm_set_pmd(pmdp, pmd) set_pmd(pmdp, pmd)
-static inline bool kvm_is_write_fault(unsigned long esr)
-{
- unsigned long esr_ec = esr >> ESR_EL2_EC_SHIFT;
-
- if (esr_ec == ESR_EL2_EC_IABT)
- return false;
-
- if ((esr & ESR_EL2_ISV) && !(esr & ESR_EL2_WNR))
- return false;
-
- return true;
-}
-
static inline void kvm_clean_pgd(pgd_t *pgd) {}
static inline void kvm_clean_pmd_entry(pmd_t *pmd) {}
static inline void kvm_clean_pte(pte_t *pte) {}
--
1.8.3.2
^ permalink raw reply related [flat|nested] 10+ messages in thread
* Re: [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
2014-09-09 10:27 ` Ard Biesheuvel
@ 2014-09-09 10:39 ` Marc Zyngier
-1 siblings, 0 replies; 10+ messages in thread
From: Marc Zyngier @ 2014-09-09 10:39 UTC (permalink / raw)
To: Ard Biesheuvel
Cc: linux-arm-kernel, christoffer.dall, kvmarm, kvm, peter.maydell, lersek
On 09/09/14 11:27, Ard Biesheuvel wrote:
> The ISS encoding for an exception from a Data Abort has a WnR
> bit[6] that indicates whether the Data Abort was caused by a
> read or a write instruction. While there are several fields
> in the encoding that are only valid if the ISV bit[24] is set,
> WnR is not one of them, so we can read it unconditionally.
>
> Instead of fixing both implementations of kvm_is_write_fault()
> in place, reimplement it just once using kvm_vcpu_dabt_iswrite(),
> which already does the right thing with respect to the WnR bit.
> Also fix up the callers to pass 'vcpu'
>
> Acked-by: Laszlo Ersek <lersek@redhat.com>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Because I like that kind of diffstat:
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Christoffer, if you too are happy with that, I'll queue it right away.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
@ 2014-09-09 10:39 ` Marc Zyngier
0 siblings, 0 replies; 10+ messages in thread
From: Marc Zyngier @ 2014-09-09 10:39 UTC (permalink / raw)
To: linux-arm-kernel
On 09/09/14 11:27, Ard Biesheuvel wrote:
> The ISS encoding for an exception from a Data Abort has a WnR
> bit[6] that indicates whether the Data Abort was caused by a
> read or a write instruction. While there are several fields
> in the encoding that are only valid if the ISV bit[24] is set,
> WnR is not one of them, so we can read it unconditionally.
>
> Instead of fixing both implementations of kvm_is_write_fault()
> in place, reimplement it just once using kvm_vcpu_dabt_iswrite(),
> which already does the right thing with respect to the WnR bit.
> Also fix up the callers to pass 'vcpu'
>
> Acked-by: Laszlo Ersek <lersek@redhat.com>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Because I like that kind of diffstat:
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Christoffer, if you too are happy with that, I'll queue it right away.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
2014-09-09 10:27 ` Ard Biesheuvel
@ 2014-09-09 11:02 ` Marc Zyngier
-1 siblings, 0 replies; 10+ messages in thread
From: Marc Zyngier @ 2014-09-09 11:02 UTC (permalink / raw)
To: Ard Biesheuvel
Cc: linux-arm-kernel, christoffer.dall, kvmarm, kvm, peter.maydell, lersek
[resending, as ARM email server seems to be in some mood]
On 09/09/14 11:27, Ard Biesheuvel wrote:
> The ISS encoding for an exception from a Data Abort has a WnR
> bit[6] that indicates whether the Data Abort was caused by a
> read or a write instruction. While there are several fields
> in the encoding that are only valid if the ISV bit[24] is set,
> WnR is not one of them, so we can read it unconditionally.
>
> Instead of fixing both implementations of kvm_is_write_fault()
> in place, reimplement it just once using kvm_vcpu_dabt_iswrite(),
> which already does the right thing with respect to the WnR bit.
> Also fix up the callers to pass 'vcpu'
>
> Acked-by: Laszlo Ersek <lersek@redhat.com>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Because I like that kind of diffstat:
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Christoffer, if you too are happy with that, I'll queue it right away.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
@ 2014-09-09 11:02 ` Marc Zyngier
0 siblings, 0 replies; 10+ messages in thread
From: Marc Zyngier @ 2014-09-09 11:02 UTC (permalink / raw)
To: linux-arm-kernel
[resending, as ARM email server seems to be in some mood]
On 09/09/14 11:27, Ard Biesheuvel wrote:
> The ISS encoding for an exception from a Data Abort has a WnR
> bit[6] that indicates whether the Data Abort was caused by a
> read or a write instruction. While there are several fields
> in the encoding that are only valid if the ISV bit[24] is set,
> WnR is not one of them, so we can read it unconditionally.
>
> Instead of fixing both implementations of kvm_is_write_fault()
> in place, reimplement it just once using kvm_vcpu_dabt_iswrite(),
> which already does the right thing with respect to the WnR bit.
> Also fix up the callers to pass 'vcpu'
>
> Acked-by: Laszlo Ersek <lersek@redhat.com>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Because I like that kind of diffstat:
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Christoffer, if you too are happy with that, I'll queue it right away.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
2014-09-09 11:02 ` Marc Zyngier
@ 2014-09-11 3:12 ` Christoffer Dall
-1 siblings, 0 replies; 10+ messages in thread
From: Christoffer Dall @ 2014-09-11 3:12 UTC (permalink / raw)
To: Marc Zyngier
Cc: Ard Biesheuvel, linux-arm-kernel, kvmarm, kvm, peter.maydell, lersek
On Tue, Sep 09, 2014 at 12:02:59PM +0100, Marc Zyngier wrote:
> [resending, as ARM email server seems to be in some mood]
>
> On 09/09/14 11:27, Ard Biesheuvel wrote:
> > The ISS encoding for an exception from a Data Abort has a WnR
> > bit[6] that indicates whether the Data Abort was caused by a
> > read or a write instruction. While there are several fields
> > in the encoding that are only valid if the ISV bit[24] is set,
> > WnR is not one of them, so we can read it unconditionally.
> >
> > Instead of fixing both implementations of kvm_is_write_fault()
> > in place, reimplement it just once using kvm_vcpu_dabt_iswrite(),
> > which already does the right thing with respect to the WnR bit.
> > Also fix up the callers to pass 'vcpu'
> >
> > Acked-by: Laszlo Ersek <lersek@redhat.com>
> > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>
> Because I like that kind of diffstat:
> Acked-by: Marc Zyngier <marc.zyngier@arm.com>
>
> Christoffer, if you too are happy with that, I'll queue it right away.
>
Extremely happy:
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Thanks,
-Christoffer
^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
@ 2014-09-11 3:12 ` Christoffer Dall
0 siblings, 0 replies; 10+ messages in thread
From: Christoffer Dall @ 2014-09-11 3:12 UTC (permalink / raw)
To: linux-arm-kernel
On Tue, Sep 09, 2014 at 12:02:59PM +0100, Marc Zyngier wrote:
> [resending, as ARM email server seems to be in some mood]
>
> On 09/09/14 11:27, Ard Biesheuvel wrote:
> > The ISS encoding for an exception from a Data Abort has a WnR
> > bit[6] that indicates whether the Data Abort was caused by a
> > read or a write instruction. While there are several fields
> > in the encoding that are only valid if the ISV bit[24] is set,
> > WnR is not one of them, so we can read it unconditionally.
> >
> > Instead of fixing both implementations of kvm_is_write_fault()
> > in place, reimplement it just once using kvm_vcpu_dabt_iswrite(),
> > which already does the right thing with respect to the WnR bit.
> > Also fix up the callers to pass 'vcpu'
> >
> > Acked-by: Laszlo Ersek <lersek@redhat.com>
> > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>
> Because I like that kind of diffstat:
> Acked-by: Marc Zyngier <marc.zyngier@arm.com>
>
> Christoffer, if you too are happy with that, I'll queue it right away.
>
Extremely happy:
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Thanks,
-Christoffer
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
2014-09-11 3:12 ` Christoffer Dall
@ 2014-09-11 10:24 ` Marc Zyngier
-1 siblings, 0 replies; 10+ messages in thread
From: Marc Zyngier @ 2014-09-11 10:24 UTC (permalink / raw)
To: Christoffer Dall
Cc: Ard Biesheuvel, linux-arm-kernel, kvmarm, kvm, peter.maydell, lersek
On 11/09/14 04:12, Christoffer Dall wrote:
> On Tue, Sep 09, 2014 at 12:02:59PM +0100, Marc Zyngier wrote:
>> [resending, as ARM email server seems to be in some mood]
>>
>> On 09/09/14 11:27, Ard Biesheuvel wrote:
>>> The ISS encoding for an exception from a Data Abort has a WnR
>>> bit[6] that indicates whether the Data Abort was caused by a
>>> read or a write instruction. While there are several fields
>>> in the encoding that are only valid if the ISV bit[24] is set,
>>> WnR is not one of them, so we can read it unconditionally.
>>>
>>> Instead of fixing both implementations of kvm_is_write_fault()
>>> in place, reimplement it just once using kvm_vcpu_dabt_iswrite(),
>>> which already does the right thing with respect to the WnR bit.
>>> Also fix up the callers to pass 'vcpu'
>>>
>>> Acked-by: Laszlo Ersek <lersek@redhat.com>
>>> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>>
>> Because I like that kind of diffstat:
>> Acked-by: Marc Zyngier <marc.zyngier@arm.com>
>>
>> Christoffer, if you too are happy with that, I'll queue it right away.
>>
> Extremely happy:
>
> Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Added to kvmarm/queue.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault()
@ 2014-09-11 10:24 ` Marc Zyngier
0 siblings, 0 replies; 10+ messages in thread
From: Marc Zyngier @ 2014-09-11 10:24 UTC (permalink / raw)
To: linux-arm-kernel
On 11/09/14 04:12, Christoffer Dall wrote:
> On Tue, Sep 09, 2014 at 12:02:59PM +0100, Marc Zyngier wrote:
>> [resending, as ARM email server seems to be in some mood]
>>
>> On 09/09/14 11:27, Ard Biesheuvel wrote:
>>> The ISS encoding for an exception from a Data Abort has a WnR
>>> bit[6] that indicates whether the Data Abort was caused by a
>>> read or a write instruction. While there are several fields
>>> in the encoding that are only valid if the ISV bit[24] is set,
>>> WnR is not one of them, so we can read it unconditionally.
>>>
>>> Instead of fixing both implementations of kvm_is_write_fault()
>>> in place, reimplement it just once using kvm_vcpu_dabt_iswrite(),
>>> which already does the right thing with respect to the WnR bit.
>>> Also fix up the callers to pass 'vcpu'
>>>
>>> Acked-by: Laszlo Ersek <lersek@redhat.com>
>>> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>>
>> Because I like that kind of diffstat:
>> Acked-by: Marc Zyngier <marc.zyngier@arm.com>
>>
>> Christoffer, if you too are happy with that, I'll queue it right away.
>>
> Extremely happy:
>
> Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Added to kvmarm/queue.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2014-09-11 10:24 UTC | newest]
Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-09-09 10:27 [PATCH v2] ARM/arm64: KVM: fix use of WnR bit in kvm_is_write_fault() Ard Biesheuvel
2014-09-09 10:27 ` Ard Biesheuvel
2014-09-09 10:39 ` Marc Zyngier
2014-09-09 10:39 ` Marc Zyngier
2014-09-09 11:02 ` Marc Zyngier
2014-09-09 11:02 ` Marc Zyngier
2014-09-11 3:12 ` Christoffer Dall
2014-09-11 3:12 ` Christoffer Dall
2014-09-11 10:24 ` Marc Zyngier
2014-09-11 10:24 ` Marc Zyngier
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