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Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_attr patch series v3) II

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From: Andi Kleen <ak@...>
To: Ingo Molnar <mingo@...>
Cc: <linux-kernel@...>, <tglx@...>, <jbeulich@...>, <venkatesh.pallipadi@...>
Subject: Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_attr patch series v3) II
Date: Friday, January 18, 2008 - 12:05 pm

On Friday 18 January 2008 17:01:04 Andi Kleen wrote:

Or rather instead of git reverting drop them completely. I'm sure it can 
be done somehow. You should also move 

CPA: Implement change_page_attr_addr entry point for i386

Similar to 64bit.

Needed by PAT patches. Replaces 5ec5c5a2302ca8794da03f8bedec931a2a814ae9

Note: should probably be put before PAT patches to avoid bisect failures later

and

CPA Handle 4K split pages at boot on 64bit

Port the code to check for already split 4K pages at boot over from
32bit to 64bit.

Note: should be probably put before PAT patches to avoid bisect failures later
Signed-off-by: Andi Kleen <ak@suse.de>

in front of the PAT patches like described in their descriptions. I put
them at the beginning and they are independent so that should be possible
without conflicts.

I'm not sure what git commands to use for that, but I'm sure it can be 
done somehow.

-Andi
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Messages in current thread:
[PATCH] [0/36] Great change_page_attr patch series v3, Andi Kleen, (Wed Jan 16, 6:14 pm)
Re: [PATCH] [0/36] Great change_page_attr patch series v3, Ingo Molnar, (Fri Jan 18, 5:56 am)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Ingo Molnar, (Fri Jan 18, 11:33 am)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Ingo Molnar, (Fri Jan 18, 11:56 am)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Andi Kleen, (Fri Jan 18, 12:01 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Ingo Molnar, (Fri Jan 18, 12:07 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Andi Kleen, (Fri Jan 18, 12:16 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Ingo Molnar, (Fri Jan 18, 12:21 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Andi Kleen, (Fri Jan 18, 12:34 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Ingo Molnar, (Fri Jan 18, 12:48 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Andi Kleen, (Fri Jan 18, 1:19 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Ingo Molnar, (Mon Jan 21, 12:40 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Andi Kleen, (Mon Jan 21, 1:13 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Thomas Gleixner, (Tue Jan 22, 9:12 am)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Andi Kleen, (Tue Jan 22, 9:23 am)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Thomas Gleixner, (Tue Jan 22, 10:06 am)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Andi Kleen, (Tue Jan 22, 10:21 am)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Thomas Gleixner, (Tue Jan 22, 8:35 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Andi Kleen, (Wed Jan 23, 4:09 am)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Ingo Molnar, (Tue Jan 22, 8:00 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Andi Kleen, (Wed Jan 23, 5:05 am)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Andi Kleen, (Fri Jan 18, 12:05 pm)
Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_at..., Ingo Molnar, (Fri Jan 18, 11:38 am)
[PATCH] [35/36] Remove set_kernel_exec, Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [36/36] Clean up pte_exec, Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [34/36] CPA: Add a BUG_ON checking for someone setti..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [32/36] CPA: Change comments of external interfaces ..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [33/36] CPA: Make kernel_text test match boot mappin..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [31/36] CPA: Fix reference counting when changing al..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [30/36] CPA: Always do full TLB flush when splitting..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [29/36] CPA: Only unmap kernel init pages in text ma..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [28/36] CPA: Remove unnecessary masking of address, Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [27/36] CPA: Only queue actually unused page table p..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [25/36] CPA: Fix inaccurate comments in 64bit change..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [26/36] CPA: Dump pagetable when inconsistency is de..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [24/36] CPA: Limit cache flushing to pages that real..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [23/36] CPA: Make change_page_attr() more robust aga..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [22/36] CPA: Reorder TLB / cache flushes to follow I..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [21/36] CPA: Use wbinvd() macro instead of inline as..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [20/36] CPA: Don't flush the caches when the CPU sup..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [19/36] CPA: Use page granuality TLB flushing in cha..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [18/36] CPA: Use macros to modify the PG_arch_1 page..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [17/36] CPA: CLFLUSH support in change_page_attr(), Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [16/36] CPA: Change 32bit back to init_mm semaphore ..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [15/36] CPA: Change kernel_map_pages to not use c_p_..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [14/36] CPA: Add simple self test at boot, Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [13/36] CPA: Return the page table level in lookup_a..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [12/36] Extract page table dumping code from i386 fa..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [11/36] Don't drop NX bit in pte modifier functions ..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [10/36] Add pte_pgprot on i386, Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [9/36] Add pte accessors for the global bit, Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [8/36] CPA: Do a simple self test at boot, Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [7/36] Shrink __PAGE_KERNEL/__PAGE_KERNEL_EXEC on no..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [6/36] CPA Handle 4K split pages at boot on 64bit, Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [5/36] CPA: Implement change_page_attr_addr entry po..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [4/36] CPA: Undo white space changes, Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [3/36] Undo pageattr_64 parts of 4157e20af49a04d75a8..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [2/36] Undo pageattr_32 portions of 11c9734cbcf4c586..., Andi Kleen, (Wed Jan 16, 6:15 pm)
[PATCH] [1/36] Undo pat cpa patch, Andi Kleen, (Wed Jan 16, 6:14 pm)