Hi All,
I complied the latest kernel 3.10.0+ pulled from the git on top of
3.10.0-rc5+ by enabling the new Virtualiztaion features. The compliation
was sucessfull, when I rebooted the machine it fails to boot with error
as " systemd [1] : Failed to mount /dev : no such device.
Is it problem
On 07/11/2013 11:41 PM, chandrashekar shastri wrote:
> Hi All,
>
> I complied the latest kernel 3.10.0+ pulled from the git on top of
> 3.10.0-rc5+ by enabling the new Virtualiztaion features. The compliation
> was sucessfull, when I rebooted the machine it fails to boot with error as
> " systemd
On 11.07.2013, at 15:41, chandrashekar shastri wrote:
> Hi All,
>
> I complied the latest kernel 3.10.0+ pulled from the git on top of
> 3.10.0-rc5+ by enabling the new Virtualiztaion features. The compliation was
> sucessfull, when I rebooted the machine it fails to boot with error as "
> s
On Thu, 2013-07-11 at 14:50 +0200, Alexander Graf wrote:
> > Not really no. But that would do. You could have give a more useful
> > answer in the first place though rather than stringing him along.
>
> Sorry, I figured it was obvious.
It wasn't no, because of the mess with modules and the nasty
On 11.07.2013, at 14:37, Benjamin Herrenschmidt wrote:
> On Thu, 2013-07-11 at 11:52 +0200, Alexander Graf wrote:
>>> Where exactly (it is rather SPAPR_TCE_IOMMU but does not really
>> matter)?
>>> Select it on KVM_BOOK3S_64? CONFIG_KVM_BOOK3S_64_HV?
>>> CONFIG_KVM_BOOK3S_64_PR? PPC_BOOK3S_64?
>>
On Thu, 2013-07-11 at 11:52 +0200, Alexander Graf wrote:
> > Where exactly (it is rather SPAPR_TCE_IOMMU but does not really
> matter)?
> > Select it on KVM_BOOK3S_64? CONFIG_KVM_BOOK3S_64_HV?
> > CONFIG_KVM_BOOK3S_64_PR? PPC_BOOK3S_64?
>
> I'd say the most logical choice would be to check the Mak
On 11.07.2013, at 10:57, Alexey Kardashevskiy wrote:
> On 07/10/2013 03:32 AM, Alexander Graf wrote:
>> On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
>>> This adds special support for huge pages (16MB). The reference
>>> counting cannot be easily done for such pages in real mode (when
>>>
On 07/10/2013 03:32 AM, Alexander Graf wrote:
> On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
>> This adds special support for huge pages (16MB). The reference
>> counting cannot be easily done for such pages in real mode (when
>> MMU is off) so we added a list of huge pages. It is populate
On 10.07.2013, at 12:40, Alexander Graf wrote:
>
> On 10.07.2013, at 12:39, Benjamin Herrenschmidt wrote:
>
>> On Wed, 2013-07-10 at 12:33 +0200, Alexander Graf wrote:
>>>
>>> It's not exactly obvious that you're calling it with writing == 1 :).
>>> Can you create a new local variable "is_writ
On 10.07.2013, at 12:39, Benjamin Herrenschmidt wrote:
> On Wed, 2013-07-10 at 12:33 +0200, Alexander Graf wrote:
>>
>> It's not exactly obvious that you're calling it with writing == 1 :).
>> Can you create a new local variable "is_write" in the calling
>> function, set that to 1 before the cal
On Wed, 2013-07-10 at 12:33 +0200, Alexander Graf wrote:
>
> It's not exactly obvious that you're calling it with writing == 1 :).
> Can you create a new local variable "is_write" in the calling
> function, set that to 1 before the call to get_user_pages_fast and
> pass it in instead of the 1? The
On 10.07.2013, at 01:29, Alexey Kardashevskiy wrote:
> On 07/10/2013 03:32 AM, Alexander Graf wrote:
>> On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
>>> This adds special support for huge pages (16MB). The reference
>>> counting cannot be easily done for such pages in real mode (when
>>>
On 07/10/2013 03:32 AM, Alexander Graf wrote:
> On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
>> This adds special support for huge pages (16MB). The reference
>> counting cannot be easily done for such pages in real mode (when
>> MMU is off) so we added a list of huge pages. It is populate
On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
This adds special support for huge pages (16MB). The reference
counting cannot be easily done for such pages in real mode (when
MMU is off) so we added a list of huge pages. It is populated in
virtual mode and get_page is called just once per
On 06/27/2013 12:02:36 AM, Alexey Kardashevskiy wrote:
+/*
+ * The KVM guest can be backed with 16MB pages.
+ * In this case, we cannot do page counting from the real mode
+ * as the compound pages are used - they are linked in a list
+ * with pointers as virtual addresses which are inaccessible
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