Hi James,
On 2017/3/22 19:14, James Morse wrote:
> Hi Wang Xiongfeng,
>
> On 22/03/17 02:46, Xiongfeng Wang wrote:
>>> Guests are a special case as QEMU may never access the faulty memory
>>> itself, so
>>> it won't receive the 'late' signal. It looks like ARM/arm64 KVM lacks
>>> support
>>> fo
Hi Wang Xiongfeng,
On 22/03/17 02:46, Xiongfeng Wang wrote:
>> Guests are a special case as QEMU may never access the faulty memory itself,
>> so
>> it won't receive the 'late' signal. It looks like ARM/arm64 KVM lacks support
>> for KVM_PFN_ERR_HWPOISON which sends SIGBUS from KVM's fault-handli
Hi James,
> Guests are a special case as QEMU may never access the faulty memory itself,
> so
> it won't receive the 'late' signal. It looks like ARM/arm64 KVM lacks support
> for KVM_PFN_ERR_HWPOISON which sends SIGBUS from KVM's fault-handling code. I
> have patches to add support for this whi
Hello James,
On 3/6/2017 3:28 AM, James Morse wrote:
On 28/02/17 19:43, Baicar, Tyler wrote:
On 2/24/2017 3:42 AM, James Morse wrote:
On 21/02/17 21:22, Tyler Baicar wrote:
Currently external aborts are unsupported by the guest abort
handling. Add handling for SEAs so that the host kernel re
Hi Tyler,
On 28/02/17 19:43, Baicar, Tyler wrote:
> On 2/24/2017 3:42 AM, James Morse wrote:
>> On 21/02/17 21:22, Tyler Baicar wrote:
>>> Currently external aborts are unsupported by the guest abort
>>> handling. Add handling for SEAs so that the host kernel reports
>>> SEAs which occur in the gu
Hi Marc,
On 2017/3/2 17:39, Marc Zyngier wrote:
> On 01/03/17 02:31, Xiongfeng Wang wrote:
>
> [lot of things]
>
>> If an SEA is injected into guest OS, the guest OS will jump to the SEA
>> exception entry when the context switched to guest OS. And the CPSR and
>> FAR_EL1 are recovered according
Hi James,
> Hi Wang Xiongfeng,
>
> On 25/02/17 07:15, Xiongfeng Wang wrote:
>> On 2017/2/22 5:22, Tyler Baicar wrote:
>>> Currently external aborts are unsupported by the guest abort
>>> handling. Add handling for SEAs so that the host kernel reports
>>> SEAs which occur in the guest kernel.
>
>>
Hello Shiju,
On 3/3/2017 8:34 AM, Shiju Jose wrote:
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index
b2d57fc..403277b 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -602,6 +602,24 @@ static const char *fault_name(unsigned int esr) }
/*
+ * Handle Synchrono
Hi Tyler,
> -Original Message-
> From: Tyler Baicar [mailto:tbai...@codeaurora.org]
> Sent: 21 February 2017 21:22
> To: christoffer.d...@linaro.org; marc.zyng...@arm.com;
> pbonz...@redhat.com; rkrc...@redhat.com; li...@armlinux.org.uk;
> catalin.mari...@arm.com; will.dea...@arm.com; r...
On 01/03/17 02:31, Xiongfeng Wang wrote:
[lot of things]
> If an SEA is injected into guest OS, the guest OS will jump to the SEA
> exception entry when the context switched to guest OS. And the CPSR and
> FAR_EL1 are recovered according to the content of vcpu. Then the guest
> OS can signal a pr
Hi James,
On 2017/2/28 21:21, James Morse wrote:
> Hi,
>
> On 28/02/17 06:25, Xiongfeng Wang wrote:
>> On 2017/2/27 21:58, James Morse wrote:
>>> On 25/02/17 07:15, Xiongfeng Wang wrote:
Can we inject an sea into the guest, so that the guest can kill the
application which causes the err
Hello James,
On 2/24/2017 3:42 AM, James Morse wrote:
On 21/02/17 21:22, Tyler Baicar wrote:
Currently external aborts are unsupported by the guest abort
handling. Add handling for SEAs so that the host kernel reports
SEAs which occur in the guest kernel.
diff --git a/arch/arm/include/asm/kvm_
Hi,
On 28/02/17 06:25, Xiongfeng Wang wrote:
> On 2017/2/27 21:58, James Morse wrote:
>> On 25/02/17 07:15, Xiongfeng Wang wrote:
>>> Can we inject an sea into the guest, so that the guest can kill the
>>> application which causes the error if the guest won't be terminated
>>> later. I'm not sure
Hi James,
On 2017/2/27 21:58, James Morse wrote:
> Hi Wang Xiongfeng,
>
> On 25/02/17 07:15, Xiongfeng Wang wrote:
>> On 2017/2/22 5:22, Tyler Baicar wrote:
>>> Currently external aborts are unsupported by the guest abort
>>> handling. Add handling for SEAs so that the host kernel reports
>>> SEA
Hi Wang Xiongfeng,
On 25/02/17 07:15, Xiongfeng Wang wrote:
> On 2017/2/22 5:22, Tyler Baicar wrote:
>> Currently external aborts are unsupported by the guest abort
>> handling. Add handling for SEAs so that the host kernel reports
>> SEAs which occur in the guest kernel.
>> diff --git a/arch/arm
@@ -1444,8 +1445,21 @@ int kvm_handle_guest_abort(struct kvm_vcpu
*vcpu, struct kvm_run *run)
/* Check the stage-2 fault is trans. fault or write fault */
fault_status = kvm_vcpu_trap_get_fault_type(vcpu);
- if (fault_status != FSC_FAULT && fault_status != FSC_PERM &&
-
Hi Tyler,
On 2017/2/22 5:22, Tyler Baicar wrote:
> Currently external aborts are unsupported by the guest abort
> handling. Add handling for SEAs so that the host kernel reports
> SEAs which occur in the guest kernel.
>
> Signed-off-by: Tyler Baicar
> ---
> arch/arm/include/asm/kvm_arm.h
Hi Tyler,
On 21/02/17 21:22, Tyler Baicar wrote:
> Currently external aborts are unsupported by the guest abort
> handling. Add handling for SEAs so that the host kernel reports
> SEAs which occur in the guest kernel.
> diff --git a/arch/arm/include/asm/kvm_arm.h b/arch/arm/include/asm/kvm_arm.h
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