On 06/07/2017 03:14 PM, Tom Lendacky wrote:
> The cr3 register entry can contain the SME encryption bit that indicates
> the PGD is encrypted. The encryption bit should not be used when creating
> a virtual address for the PGD table.
>
> Create a new function, read_cr3_pa(), that will extract the
>
>> What may be needed is making sure X86_FEATURE_SME is not set for PV
>> guests.
>
> And that may be something that Xen will need to control through either
> CPUID or MSR support for the PV guests.
Only on newer versions of Xen. On earlier versions (2-3 years old) leaf
0x8007 is passed to
On 06/08/2017 05:02 PM, Tom Lendacky wrote:
> On 6/8/2017 3:51 PM, Boris Ostrovsky wrote:
>>
>>>
>>>> What may be needed is making sure X86_FEATURE_SME is not set for PV
>>>> guests.
>>>
>>> And that may be something that Xen will need t
On 06/09/2017 02:36 PM, Tom Lendacky wrote:
> On 6/8/2017 5:01 PM, Andrew Cooper wrote:
>> On 08/06/2017 22:17, Boris Ostrovsky wrote:
>>> On 06/08/2017 05:02 PM, Tom Lendacky wrote:
>>>> On 6/8/2017 3:51 PM, Boris Ostrovsky wrote:
>>>>>>> What
>>
>> PV guests don't go through Linux x86 early boot code. They start at
>> xen_start_kernel() (well, xen-head.S:startup_xen(), really) and merge
>> with baremetal path at x86_64_start_reservations() (for 64-bit).
>>
>
> Ok, I don't think anything needs to be done then. The sme_me_mask is set
>
On 2/28/19 2:45 PM, Andrew Morton wrote:
> On Wed, 27 Feb 2019 13:32:14 +0800 Dave Young wrote:
>
>> This series have been in -next for some days, could we get this in
>> mainline?
> It's been in -next for two months?
>
>> Andrew, do you have plan about them, maybe next release?
> They're all rev
On 9/22/20 6:58 AM, Philipp Rudo wrote:
>
> AFAIK pstore requires UEFI to work. So what's the point to enable it on
> non-UEFI
> systems?
I don't think UEFI is required, ERST can specify its own backend. And that, in
fact, can be quite useful in virtualization scenarios (especially in cases o
On 9/24/20 12:43 PM, Michael Kelley wrote:
> From: Eric W. Biederman Sent: Thursday, September 24,
> 2020 9:26 AM
>> Michael Kelley writes:
>>
> Added Hyper-V people and people who created the param, it is below
> commit, I also want to remove it if possible, let's see how people
>
+Lennart
On 9/29/20 9:36 AM, Philipp Rudo wrote:
> Hi,
>
> On Fri, 25 Sep 2020 10:56:25 -0400
> Konrad Rzeszutek Wilk wrote:
>
>> On Fri, Sep 25, 2020 at 11:05:58AM +0800, Dave Young wrote:
>>> Hi,
>>>
>>> On 09/24/20 at 01:16pm, boris.ostrov...@oracle.com wrote:
On 9/24/20 12:43 PM, Mich
On 9/28/21 2:22 PM, David Hildenbrand wrote:
> Let's simplify return handling.
>
> Signed-off-by: David Hildenbrand
> ---
> arch/x86/xen/mmu_hvm.c | 11 ++-
> 1 file changed, 2 insertions(+), 9 deletions(-)
>
> diff --git a/arch/x86/xen/mmu_hvm.c b/arch/x86/xen/mmu_hvm.c
> index b242d1f4
On 9/28/21 2:22 PM, David Hildenbrand wrote:
> The callback is only used for the vmcore nowadays.
>
> Signed-off-by: David Hildenbrand
Reviewed-by: Boris Ostrovsky
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On 9/29/21 5:03 AM, David Hildenbrand wrote:
> On 29.09.21 10:45, David Hildenbrand wrote:
>>>
>> Can we go one step further and do
>>
>>
>> @@ -20,24 +20,11 @@ static int xen_oldmem_pfn_is_ram(unsigned long pfn)
>> struct xen_hvm_get_mem_type a = {
>> .domid = DOMID_SE
On 10/5/21 8:14 AM, David Hildenbrand wrote:
> Let's simplify return handling.
>
> Signed-off-by: David Hildenbrand
Reviewed-by: Boris Ostrovsky
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kernel.org/r/3b935aa0-6d85-0bcd-100e-15098add3...@oracle.com
>
> Suggested-by: Boris Ostrovsky
> Signed-off-by: David Hildenbrand
Reviewed-by: Boris Ostrovsky
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