On Tue, 28 Jul 2015, Julien Grall wrote:
> Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
> is meant, I suspect this is because the first support for Xen was for
> PV. This brough some misimplementation of helpers on ARM and make the
> developper confused the expected
On Tue, 28 Jul 2015, Julien Grall wrote:
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
is meant, I suspect this is because the first support for Xen was for
PV. This brough some misimplementation of helpers on ARM and make the
developper confused the expected behavior.
On 07/29/2015 10:23 AM, Julien Grall wrote:
On 29/07/15 15:14, Boris Ostrovsky wrote:
static inline unsigned long pfn_to_gfn(unsigned long pfn)
{
if (xen_feature(XENFEAT_autotranslated_physmap))
return pfn;
else
return pfn_to_mfn(pfn);
}
But you'd still say
On 29/07/15 15:14, Boris Ostrovsky wrote:
>> static inline unsigned long pfn_to_gfn(unsigned long pfn)
>> {
>> if (xen_feature(XENFEAT_autotranslated_physmap))
>> return pfn;
>> else
>> return pfn_to_mfn(pfn);
>> }
>
>
> But you'd still say 'op.arg1.mfn =
On 07/29/2015 07:25 AM, Julien Grall wrote:
Hi Boris,
On 28/07/15 20:12, Boris Ostrovsky wrote:
On 07/28/2015 11:02 AM, Julien Grall wrote:
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
is meant, I suspect this is because the first support for Xen was for
PV. This
On Wed, Jul 29, 2015 at 12:35:54PM +0100, Julien Grall wrote:
> Hi Wei,
>
> On 29/07/15 11:13, Wei Liu wrote:
> > On Tue, Jul 28, 2015 at 04:02:45PM +0100, Julien Grall wrote:
> > [...]
> >> diff --git a/drivers/net/xen-netback/netback.c
> >> b/drivers/net/xen-netback/netback.c
> >> index
On 29/07/15 12:35, Julien Grall wrote:
> Hi Wei,
>
> On 29/07/15 11:13, Wei Liu wrote:
>> On Tue, Jul 28, 2015 at 04:02:45PM +0100, Julien Grall wrote:
>> [...]
>>> diff --git a/drivers/net/xen-netback/netback.c
>>> b/drivers/net/xen-netback/netback.c
>>> index 7d50711..3b7b7c3 100644
>>> ---
Hi Wei,
On 29/07/15 11:13, Wei Liu wrote:
> On Tue, Jul 28, 2015 at 04:02:45PM +0100, Julien Grall wrote:
> [...]
>> diff --git a/drivers/net/xen-netback/netback.c
>> b/drivers/net/xen-netback/netback.c
>> index 7d50711..3b7b7c3 100644
>> --- a/drivers/net/xen-netback/netback.c
>> +++
Hi Chris,
On 28/07/15 20:39, Chris (Christopher) Brand wrote:
>> Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN is
>> meant,
>> I suspect this is because the first support for Xen was for PV. This brough
>> some
> Typo : "brought"
> Perhaps "resulted in" would be better ?
Hi Boris,
On 28/07/15 20:12, Boris Ostrovsky wrote:
> On 07/28/2015 11:02 AM, Julien Grall wrote:
>> Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
>> is meant, I suspect this is because the first support for Xen was for
>> PV. This brough some misimplementation of helpers
On 28/07/15 18:16, David Vrabel wrote:
> On 28/07/15 16:02, Julien Grall wrote:
>> Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
>> is meant, I suspect this is because the first support for Xen was for
>> PV. This brough some misimplementation of helpers on ARM and make the
On Tue, Jul 28, 2015 at 04:02:45PM +0100, Julien Grall wrote:
[...]
> diff --git a/drivers/net/xen-netback/netback.c
> b/drivers/net/xen-netback/netback.c
> index 7d50711..3b7b7c3 100644
> --- a/drivers/net/xen-netback/netback.c
> +++ b/drivers/net/xen-netback/netback.c
> @@ -314,7 +314,7 @@
On Tue, Jul 28, 2015 at 04:02:45PM +0100, Julien Grall wrote:
[...]
diff --git a/drivers/net/xen-netback/netback.c
b/drivers/net/xen-netback/netback.c
index 7d50711..3b7b7c3 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -314,7 +314,7 @@ static
Hi Chris,
On 28/07/15 20:39, Chris (Christopher) Brand wrote:
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN is
meant,
I suspect this is because the first support for Xen was for PV. This brough
some
Typo : brought
Perhaps resulted in would be better ?
On 29/07/15 12:35, Julien Grall wrote:
Hi Wei,
On 29/07/15 11:13, Wei Liu wrote:
On Tue, Jul 28, 2015 at 04:02:45PM +0100, Julien Grall wrote:
[...]
diff --git a/drivers/net/xen-netback/netback.c
b/drivers/net/xen-netback/netback.c
index 7d50711..3b7b7c3 100644
---
On Wed, Jul 29, 2015 at 12:35:54PM +0100, Julien Grall wrote:
Hi Wei,
On 29/07/15 11:13, Wei Liu wrote:
On Tue, Jul 28, 2015 at 04:02:45PM +0100, Julien Grall wrote:
[...]
diff --git a/drivers/net/xen-netback/netback.c
b/drivers/net/xen-netback/netback.c
index 7d50711..3b7b7c3
Hi Boris,
On 28/07/15 20:12, Boris Ostrovsky wrote:
On 07/28/2015 11:02 AM, Julien Grall wrote:
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
is meant, I suspect this is because the first support for Xen was for
PV. This brough some misimplementation of helpers on ARM
Hi Wei,
On 29/07/15 11:13, Wei Liu wrote:
On Tue, Jul 28, 2015 at 04:02:45PM +0100, Julien Grall wrote:
[...]
diff --git a/drivers/net/xen-netback/netback.c
b/drivers/net/xen-netback/netback.c
index 7d50711..3b7b7c3 100644
--- a/drivers/net/xen-netback/netback.c
+++
On 28/07/15 18:16, David Vrabel wrote:
On 28/07/15 16:02, Julien Grall wrote:
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
is meant, I suspect this is because the first support for Xen was for
PV. This brough some misimplementation of helpers on ARM and make the
On 07/29/2015 10:23 AM, Julien Grall wrote:
On 29/07/15 15:14, Boris Ostrovsky wrote:
static inline unsigned long pfn_to_gfn(unsigned long pfn)
{
if (xen_feature(XENFEAT_autotranslated_physmap))
return pfn;
else
return pfn_to_mfn(pfn);
}
But you'd still say
On 07/29/2015 07:25 AM, Julien Grall wrote:
Hi Boris,
On 28/07/15 20:12, Boris Ostrovsky wrote:
On 07/28/2015 11:02 AM, Julien Grall wrote:
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
is meant, I suspect this is because the first support for Xen was for
PV. This
On 29/07/15 15:14, Boris Ostrovsky wrote:
static inline unsigned long pfn_to_gfn(unsigned long pfn)
{
if (xen_feature(XENFEAT_autotranslated_physmap))
return pfn;
else
return pfn_to_mfn(pfn);
}
But you'd still say 'op.arg1.mfn = pfn_to_gfn(pfn);' in xen_do_pin()
> Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN is
> meant,
> I suspect this is because the first support for Xen was for PV. This brough
> some
Typo : "brought"
Perhaps "resulted in" would be better ?
> misimplementation of helpers on ARM and make the developper
On 07/28/2015 11:02 AM, Julien Grall wrote:
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
is meant, I suspect this is because the first support for Xen was for
PV. This brough some misimplementation of helpers on ARM and make the
developper confused the expected behavior.
On 28/07/15 16:02, Julien Grall wrote:
> Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
> is meant, I suspect this is because the first support for Xen was for
> PV. This brough some misimplementation of helpers on ARM and make the
> developper confused the expected
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
is meant, I suspect this is because the first support for Xen was for
PV. This brough some misimplementation of helpers on ARM and make the
developper confused the expected behavior.
For instance, with pfn_to_mfn, we expect to
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
is meant, I suspect this is because the first support for Xen was for
PV. This brough some misimplementation of helpers on ARM and make the
developper confused the expected behavior.
For instance, with pfn_to_mfn, we expect to
On 28/07/15 16:02, Julien Grall wrote:
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
is meant, I suspect this is because the first support for Xen was for
PV. This brough some misimplementation of helpers on ARM and make the
developper confused the expected behavior.
On 07/28/2015 11:02 AM, Julien Grall wrote:
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN
is meant, I suspect this is because the first support for Xen was for
PV. This brough some misimplementation of helpers on ARM and make the
developper confused the expected behavior.
Based on include/xen/mm.h [1], Linux is mistakenly using MFN when GFN is
meant,
I suspect this is because the first support for Xen was for PV. This brough
some
Typo : brought
Perhaps resulted in would be better ?
misimplementation of helpers on ARM and make the developper confused the
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