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Re: CPA patchset

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From: dean gaudet <dean@...>
To: Ingo Molnar <mingo@...>
Cc: Andi Kleen <ak@...>, <linux-kernel@...>, Thomas Gleixner <tglx@...>, H. Peter Anvin <hpa@...>, Venki Pallipadi <venkatesh.pallipadi@...>, <suresh.b.siddha@...>, Arjan van de Ven <arjan@...>, Dave Jones <davej@...>
Subject: Re: CPA patchset
Date: Friday, January 11, 2008 - 1:02 pm

On Fri, 11 Jan 2008, Ingo Molnar wrote:


did you mean to write MOVNTPS above?



on intel with fast strings enabled yes.  mind you intel gives hints in
the documentation these operations don't respect coherence... and i
asked about this when they posted their memory ordering paper but got no
response.

-dean
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Messages in current thread:
[PATCH CPA] [1/28] Shrink __PAGE_KERNEL/__PAGE_KERNEL_EXEC o..., Andi Kleen, (Thu Jan 3, 11:24 am)
Re: CPA patchset, Ingo Molnar, (Thu Jan 10, 5:31 am)
Re: CPA patchset, Andi Kleen, (Thu Jan 10, 5:53 am)
Re: CPA patchset, Ingo Molnar, (Thu Jan 10, 6:43 am)
Re: CPA patchset, Andi Kleen, (Thu Jan 10, 7:07 am)
Re: CPA patchset, Ingo Molnar, (Thu Jan 10, 8:22 am)
Re: CPA patchset, Andi Kleen, (Thu Jan 10, 8:39 am)
Re: CPA patchset, Ingo Molnar, (Thu Jan 10, 6:04 am)
Re: CPA patchset, Andi Kleen, (Thu Jan 10, 6:07 am)
Re: CPA patchset, Ingo Molnar, (Thu Jan 10, 6:57 am)
Re: CPA patchset, Andi Kleen, (Thu Jan 10, 7:12 am)
Re: CPA patchset, Ingo Molnar, (Fri Jan 11, 3:19 am)
Re: CPA patchset, dean gaudet, (Fri Jan 11, 1:02 pm)
Re: CPA patchset, dean gaudet, (Fri Jan 11, 1:56 pm)
Re: CPA patchset, Arjan van de Ven, (Fri Jan 11, 1:18 pm)
Re: CPA patchset, Andi Kleen, (Fri Jan 11, 7:26 am)
Re: CPA patchset, Ingo Molnar, (Fri Jan 11, 3:33 am)
Re: CPA patchset, Andi Kleen, (Fri Jan 11, 7:28 am)
Re: CPA patchset, Dave Airlie, (Thu Jan 10, 5:44 am)
Re: CPA patchset, Ingo Molnar, (Thu Jan 10, 6:02 am)
Re: CPA patchset, Andi Kleen, (Thu Jan 10, 5:55 am)
Re: CPA patchset, Dave Airlie, (Thu Jan 10, 6:20 am)
Re: CPA patchset, Andi Kleen, (Thu Jan 10, 6:50 am)
[PATCH CPA] [28/28] Make kernel_text test match boot mapping..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [27/28] CPA: Change comments of external interfa..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [26/28] CPA: Fix reference counting when changin..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [25/28] CPA: Always do full TLB flush when split..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [2/28] CPA: Do a simple self test at boot, Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [24/28] CPA: Only unmap kernel init pages in tex..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [23/28] CPA: Remove unnecessary masking of address, Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [22/28] CPA: Only queue actually unused page tab..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [21/28] CPA: Dump pagetable when inconsistency i..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [20/28] CPA: Fix inaccurate comments in 64bit ch..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [19/28] CPA: Limit cache flushing to pages that ..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [18/28] CPA: Make change_page_attr() more robust..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [8/28] CPA: Return the page table level in looku..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [17/28] CPA: Reorder TLB / cache flushes to foll..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [9/28] CPA: Add simple self test at boot, Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [10/28] CPA: Change kernel_map_pages to not use ..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [16/28] CPA: Use wbinvd() macro instead of inlin..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [15/28] CPA: Don't flush the caches when the CPU..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [14/28] CPA: Use page granuality TLB flushing in..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [13/28] CPA: Use macros to modify the PG_arch_1 ..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [12/28] CPA: CLFLUSH support in change_page_attr(), Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [11/28] CPA: Change 32bit back to init_mm semaph..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [7/28] Extract page table dumping code from i386..., Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [6/28] CPA: Undo white space changes, Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [5/28] Add pte_pgprot on i386, Andi Kleen, (Thu Jan 3, 11:24 am)
[PATCH CPA] [4/28] Add pte_clrhuge on i386, Andi Kleen, (Thu Jan 3, 11:24 am)
Re: [PATCH CPA] [4/28] Add pte_clrhuge on i386, Jeremy Fitzhardinge, (Sat Jan 5, 2:48 am)
[PATCH CPA] [3/28] Add pte accessors for the global bit, Andi Kleen, (Thu Jan 3, 11:24 am)