>>> On 27.05.15 at 14:03, wrote:
> On 05/27/2015 12:59 PM, Jan Beulich wrote:
> On 27.05.15 at 12:23, wrote:
>>> On 05/18/2015 03:58 PM, Jan Beulich wrote:
>>> On 15.05.15 at 18:08, wrote:
> --- a/xen/arch/x86/domain_page.c
> +++ b/xen/arch/x86/domain_page.c
> @@ -32,20 +32,2
On 05/27/2015 12:59 PM, Jan Beulich wrote:
On 27.05.15 at 12:23, wrote:
On 05/18/2015 03:58 PM, Jan Beulich wrote:
On 15.05.15 at 18:08, wrote:
--- a/xen/arch/x86/domain_page.c
+++ b/xen/arch/x86/domain_page.c
@@ -32,20 +32,25 @@ static inline struct vcpu *mapcache_current_vcpu(void)
>>> On 27.05.15 at 12:23, wrote:
> On 05/18/2015 03:58 PM, Jan Beulich wrote:
> On 15.05.15 at 18:08, wrote:
>>> --- a/xen/arch/x86/domain_page.c
>>> +++ b/xen/arch/x86/domain_page.c
>>> @@ -32,20 +32,25 @@ static inline struct vcpu *mapcache_current_vcpu(void)
>>> return NULL;
>>>
On 05/18/2015 03:58 PM, Jan Beulich wrote:
On 15.05.15 at 18:08, wrote:
--- a/xen/arch/x86/domain_page.c
+++ b/xen/arch/x86/domain_page.c
@@ -32,20 +32,25 @@ static inline struct vcpu *mapcache_current_vcpu(void)
return NULL;
/*
+ * When using efi runtime page tables, we ha
>>> On 15.05.15 at 18:08, wrote:
> --- a/xen/arch/x86/domain_page.c
> +++ b/xen/arch/x86/domain_page.c
> @@ -32,20 +32,25 @@ static inline struct vcpu *mapcache_current_vcpu(void)
> return NULL;
>
> /*
> + * When using efi runtime page tables, we have the equivalent of the idle
>>> On 15.05.15 at 19:41, wrote:
> On 15/05/15 17:08, Ross Lagerwall wrote:
>> When an interrupt is received during an EFI runtime service call, Xen
>> may call map_domain_page() while using the EFI runtime page tables.
>> This fails because, although the EFI runtime page tables are a
>> copy of t
>>> On 15.05.15 at 18:08, wrote:
> --- a/xen/arch/x86/domain_page.c
> +++ b/xen/arch/x86/domain_page.c
> @@ -32,20 +32,25 @@ static inline struct vcpu *mapcache_current_vcpu(void)
> return NULL;
>
> /*
> + * When using efi runtime page tables, we have the equivalent of the idle
On 18/05/15 10:02, Jan Beulich wrote:
On 15.05.15 at 19:41, wrote:
>> On 15/05/15 17:08, Ross Lagerwall wrote:
>>> When an interrupt is received during an EFI runtime service call, Xen
>>> may call map_domain_page() while using the EFI runtime page tables.
>>> This fails because, although the
On 15/05/15 17:08, Ross Lagerwall wrote:
> When an interrupt is received during an EFI runtime service call, Xen
> may call map_domain_page() while using the EFI runtime page tables.
> This fails because, although the EFI runtime page tables are a
> copy of the idle domain's page tables, current po
When an interrupt is received during an EFI runtime service call, Xen
may call map_domain_page() while using the EFI runtime page tables.
This fails because, although the EFI runtime page tables are a
copy of the idle domain's page tables, current points at a different
domain's vCPU.
To fix this,
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