Re: [tip:x86/asm] x86/xor: Make virtualization friendly

2013-01-28 Thread H. Peter Anvin
It adds substantial boot time, and it has no value when the cache priority rules force the non-cache-polluting version even if somewhat slower... which can and does happen. Jan Beulich wrote: On 25.01.13 at 23:11, "H. Peter Anvin" wrote: >> On 01/25/2013 02:43 AM, tip-bot for Jan Beulich

Re: [tip:x86/asm] x86/xor: Make virtualization friendly

2013-01-28 Thread Jan Beulich
>>> On 25.01.13 at 23:11, "H. Peter Anvin" wrote: > On 01/25/2013 02:43 AM, tip-bot for Jan Beulich wrote: >> Commit-ID: 05fbf4d6fc6a3c0c3e63b77979c9311596716d10 >> Gitweb: > http://git.kernel.org/tip/05fbf4d6fc6a3c0c3e63b77979c9311596716d10 >> Author: Jan Beulich >> AuthorDate: Fri, 2

RE: [tip:x86/asm] x86/xor: Make virtualization friendly

2013-01-26 Thread KY Srinivasan
nutronix.de; linux- > tip-comm...@vger.kernel.org; Marcelo Tosatti; KY Srinivasan; Haiyang Zhang > Subject: Re: [tip:x86/asm] x86/xor: Make virtualization friendly > > On 01/25/2013 02:15 PM, H. Peter Anvin wrote: > > On 01/25/2013 02:11 PM, H. Peter Anvin wrote: > >> On

Re: [tip:x86/asm] x86/xor: Make virtualization friendly

2013-01-26 Thread Ingo Molnar
* H. Peter Anvin wrote: > On 01/25/2013 02:11 PM, H. Peter Anvin wrote: > > On 01/25/2013 02:43 AM, tip-bot for Jan Beulich wrote: > >> Commit-ID: 05fbf4d6fc6a3c0c3e63b77979c9311596716d10 > >> Gitweb: > >> http://git.kernel.org/tip/05fbf4d6fc6a3c0c3e63b77979c9311596716d10 > >> Author:

Re: [tip:x86/asm] x86/xor: Make virtualization friendly

2013-01-25 Thread H. Peter Anvin
On 01/25/2013 02:15 PM, H. Peter Anvin wrote: On 01/25/2013 02:11 PM, H. Peter Anvin wrote: On 01/25/2013 02:43 AM, tip-bot for Jan Beulich wrote: Commit-ID: 05fbf4d6fc6a3c0c3e63b77979c9311596716d10 Gitweb: http://git.kernel.org/tip/05fbf4d6fc6a3c0c3e63b77979c9311596716d10 Author: Jan

Re: [tip:x86/asm] x86/xor: Make virtualization friendly

2013-01-25 Thread H. Peter Anvin
On 01/25/2013 02:11 PM, H. Peter Anvin wrote: > On 01/25/2013 02:43 AM, tip-bot for Jan Beulich wrote: >> Commit-ID: 05fbf4d6fc6a3c0c3e63b77979c9311596716d10 >> Gitweb: >> http://git.kernel.org/tip/05fbf4d6fc6a3c0c3e63b77979c9311596716d10 >> Author: Jan Beulich >> AuthorDate: Fri, 2 Nov

Re: [tip:x86/asm] x86/xor: Make virtualization friendly

2013-01-25 Thread H. Peter Anvin
On 01/25/2013 02:43 AM, tip-bot for Jan Beulich wrote: > Commit-ID: 05fbf4d6fc6a3c0c3e63b77979c9311596716d10 > Gitweb: http://git.kernel.org/tip/05fbf4d6fc6a3c0c3e63b77979c9311596716d10 > Author: Jan Beulich > AuthorDate: Fri, 2 Nov 2012 14:21:23 + > Committer: Ingo Molnar > CommitD