Re: [Xen-devel] [PATCH 4/5] x86/pv: Drop support for paging out the LDT

>>> On 18.01.18 at 12:00, wrote: > On 18/01/18 10:57, Andrew Cooper wrote: >> On 18/01/18 10:38, George Dunlap wrote: >>> On Thu, Jan 18, 2018 at 7:59 AM, Jan Beulich wrote: >>> On 12.01.18 at 19:37, wrote: > ---

Re: [Xen-devel] [PATCH 4/5] x86/pv: Drop support for paging out the LDT

On 18/01/18 10:57, Andrew Cooper wrote: > On 18/01/18 10:38, George Dunlap wrote: >> On Thu, Jan 18, 2018 at 7:59 AM, Jan Beulich wrote: >> On 12.01.18 at 19:37, wrote: Windows is the only OS which pages out kernel datastructures, so chances

Re: [Xen-devel] [PATCH 4/5] x86/pv: Drop support for paging out the LDT

On 18/01/18 10:38, George Dunlap wrote: > On Thu, Jan 18, 2018 at 7:59 AM, Jan Beulich wrote: > On 12.01.18 at 19:37, wrote: >>> Windows is the only OS which pages out kernel datastructures, so chances are >>> good that this is a vestigial

Re: [Xen-devel] [PATCH 4/5] x86/pv: Drop support for paging out the LDT

>>> On 18.01.18 at 11:38, wrote: > On Thu, Jan 18, 2018 at 7:59 AM, Jan Beulich wrote: > On 12.01.18 at 19:37, wrote: >>> --- a/xen/arch/x86/domain.c >>> +++ b/xen/arch/x86/domain.c >>> @@ -1942,11 +1942,8 @@ int

Re: [Xen-devel] [PATCH 4/5] x86/pv: Drop support for paging out the LDT

On Thu, Jan 18, 2018 at 7:59 AM, Jan Beulich wrote: On 12.01.18 at 19:37, wrote: >> Windows is the only OS which pages out kernel datastructures, so chances are >> good that this is a vestigial remnant of the PV Windows XP experiment. > > This

Re: [Xen-devel] [PATCH 4/5] x86/pv: Drop support for paging out the LDT

>>> On 12.01.18 at 19:37, wrote: > Windows is the only OS which pages out kernel datastructures, so chances are > good that this is a vestigial remnant of the PV Windows XP experiment. This is based on what? How do you know there are no other OSes doing so, including

Re: [Xen-devel] [PATCH 4/5] x86/pv: Drop support for paging out the LDT

On 1/12/18 12:37 PM, Andrew Cooper wrote: > Windows is the only OS which pages out kernel datastructures, so chances are > good that this is a vestigial remnant of the PV Windows XP experiment. > Furthermore the implementation is incomplete; it only functions for a present > => not-present

[Xen-devel] [PATCH 4/5] x86/pv: Drop support for paging out the LDT

Windows is the only OS which pages out kernel datastructures, so chances are good that this is a vestigial remnant of the PV Windows XP experiment. Furthermore the implementation is incomplete; it only functions for a present => not-present transition, rather than a present => read/write