Re: [patch 2/2] mm: pgtable -- Require X86_64 for soft-dirty tracker

2014-05-06 Thread Cyrill Gorcunov
On Tue, May 06, 2014 at 09:28:07AM -0700, H. Peter Anvin wrote: > On 04/25/2014 01:10 AM, Cyrill Gorcunov wrote: > > Tracking dirty status on 2 level pages requires very ugly macros > > and taking into account how old the machines who can operate > > without PAE mode only are, lets drop soft dirty

Re: [patch 2/2] mm: pgtable -- Require X86_64 for soft-dirty tracker

2014-05-06 Thread H. Peter Anvin
On 04/25/2014 01:10 AM, Cyrill Gorcunov wrote: > Tracking dirty status on 2 level pages requires very ugly macros > and taking into account how old the machines who can operate > without PAE mode only are, lets drop soft dirty tracker from > them for code simplicity (note I can't drop all the

[patch 2/2] mm: pgtable -- Require X86_64 for soft-dirty tracker, v2

2014-05-06 Thread Cyrill Gorcunov
On Mon, May 05, 2014 at 04:31:23PM -0700, Andrew Morton wrote: > On Fri, 25 Apr 2014 12:10:32 +0400 Cyrill Gorcunov > wrote: > > > Tracking dirty status on 2 level pages requires very ugly macros > > and taking into account how old the machines who can operate > > without PAE mode only are,

[patch 2/2] mm: pgtable -- Require X86_64 for soft-dirty tracker, v2

2014-05-06 Thread Cyrill Gorcunov
On Mon, May 05, 2014 at 04:31:23PM -0700, Andrew Morton wrote: On Fri, 25 Apr 2014 12:10:32 +0400 Cyrill Gorcunov gorcu...@openvz.org wrote: Tracking dirty status on 2 level pages requires very ugly macros and taking into account how old the machines who can operate without PAE mode

Re: [patch 2/2] mm: pgtable -- Require X86_64 for soft-dirty tracker

2014-05-06 Thread H. Peter Anvin
On 04/25/2014 01:10 AM, Cyrill Gorcunov wrote: Tracking dirty status on 2 level pages requires very ugly macros and taking into account how old the machines who can operate without PAE mode only are, lets drop soft dirty tracker from them for code simplicity (note I can't drop all the macros

Re: [patch 2/2] mm: pgtable -- Require X86_64 for soft-dirty tracker

2014-05-06 Thread Cyrill Gorcunov
On Tue, May 06, 2014 at 09:28:07AM -0700, H. Peter Anvin wrote: On 04/25/2014 01:10 AM, Cyrill Gorcunov wrote: Tracking dirty status on 2 level pages requires very ugly macros and taking into account how old the machines who can operate without PAE mode only are, lets drop soft dirty

Re: [patch 2/2] mm: pgtable -- Require X86_64 for soft-dirty tracker

2014-05-05 Thread Andrew Morton
On Fri, 25 Apr 2014 12:10:32 +0400 Cyrill Gorcunov wrote: > Tracking dirty status on 2 level pages requires very ugly macros > and taking into account how old the machines who can operate > without PAE mode only are, lets drop soft dirty tracker from > them for code simplicity (note I can't drop

Re: [patch 2/2] mm: pgtable -- Require X86_64 for soft-dirty tracker

2014-05-05 Thread Andrew Morton
On Fri, 25 Apr 2014 12:10:32 +0400 Cyrill Gorcunov gorcu...@openvz.org wrote: Tracking dirty status on 2 level pages requires very ugly macros and taking into account how old the machines who can operate without PAE mode only are, lets drop soft dirty tracker from them for code simplicity

[patch 2/2] mm: pgtable -- Require X86_64 for soft-dirty tracker

2014-04-25 Thread Cyrill Gorcunov
Tracking dirty status on 2 level pages requires very ugly macros and taking into account how old the machines who can operate without PAE mode only are, lets drop soft dirty tracker from them for code simplicity (note I can't drop all the macros from 2 level pages by now since _PAGE_BIT_PROTNONE

[patch 2/2] mm: pgtable -- Require X86_64 for soft-dirty tracker

2014-04-25 Thread Cyrill Gorcunov
Tracking dirty status on 2 level pages requires very ugly macros and taking into account how old the machines who can operate without PAE mode only are, lets drop soft dirty tracker from them for code simplicity (note I can't drop all the macros from 2 level pages by now since _PAGE_BIT_PROTNONE