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Re: [PATCH] x86: make e820_end return end_of_ram again for 64bit

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From: Ingo Molnar
Subject: Re: [PATCH] x86: make e820_end return end_of_ram again for 64bit
Date: Thursday, July 10, 2008 - 12:00 am

* Yinghai Lu <yhlu.kernel@gmail.com> wrote:


ok - applied to tip/x86/core - lets see whether Suresh's system now 
works fine with this change.


i'd suggest e820_end_of_ram_pfn().

we now have symmetric behavior on 32-bit and 64-bit, e820_end() returns 
the true end of RAM. (64-bit used to return the last PFN mentioned in 
the e820 map - i.e. ACPI tables and other end of RAM items could have 
been included)

	Ingo
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Messages in current thread:
[PATCH] x86: introduce page_size_mask for 64bit, Yinghai Lu, (Tue Jul 8, 1:41 am)
[PATCH] x86: not overmap than end in init_memory_mapping - ..., Yinghai Lu, (Tue Jul 8, 1:43 am)
Re: [PATCH] x86: introduce page_size_mask for 64bit, Ingo Molnar, (Wed Jul 9, 12:38 am)
Re: [PATCH] x86: not overmap than end in init_memory_mappi ..., Ingo Molnar, (Wed Jul 9, 12:38 am)
Re: [PATCH] x86: not overmap than end in init_memory_mappi ..., Ingo Molnar, (Wed Jul 9, 1:34 am)
Re: [PATCH] x86: not overmap than end in init_memory_mappi ..., Yinghai Lu, (Wed Jul 9, 1:37 am)
Re: [PATCH] x86: not overmap than end in init_memory_mappi ..., Ingo Molnar, (Wed Jul 9, 1:45 am)
Re: [PATCH] x86: not overmap than end in init_memory_mappi ..., Ingo Molnar, (Wed Jul 9, 1:46 am)
Re: [PATCH] x86: not overmap than end in init_memory_mappi ..., Yinghai Lu, (Wed Jul 9, 1:58 am)
Re: [PATCH] x86: not overmap than end in init_memory_mappi ..., Yinghai Lu, (Wed Jul 9, 3:01 am)
Re: [PATCH] x86: not overmap than end in init_memory_mappi ..., Ingo Molnar, (Wed Jul 9, 3:30 am)
[PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Yinghai Lu, (Wed Jul 9, 8:15 pm)
[PATCH] x86: merge __acpi_map_table, Yinghai Lu, (Wed Jul 9, 8:16 pm)
[PATCH] x86: make e820_end return end_of_ram again for 64bit, Yinghai Lu, (Wed Jul 9, 8:17 pm)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Ingo Molnar, (Wed Jul 9, 11:53 pm)
Re: [PATCH] x86: merge __acpi_map_table, Ingo Molnar, (Wed Jul 9, 11:54 pm)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Yinghai Lu, (Wed Jul 9, 11:57 pm)
Re: [PATCH] x86: make e820_end return end_of_ram again for ..., Ingo Molnar, (Thu Jul 10, 12:00 am)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Ingo Molnar, (Thu Jul 10, 12:20 am)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Yinghai Lu, (Thu Jul 10, 12:32 am)
[PATCH] x86: e820 remove the range instead of update it to ..., Yinghai Lu, (Thu Jul 10, 4:17 am)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Arjan van de Ven, (Thu Jul 10, 7:16 am)
[PATCH] x86: save slit, Yinghai Lu, (Thu Jul 10, 8:36 pm)
[PATCH] x86: introduce max_low_pfn_mapped for 64bit, Yinghai Lu, (Thu Jul 10, 8:38 pm)
Re: [PATCH] x86: e820 remove the range instead of update i ..., Ingo Molnar, (Fri Jul 11, 1:20 am)
Re: [PATCH] x86: save slit, Ingo Molnar, (Fri Jul 11, 1:22 am)
Re: [PATCH] x86: introduce max_low_pfn_mapped for 64bit, Ingo Molnar, (Fri Jul 11, 1:26 am)
Re: [PATCH] x86: introduce max_low_pfn_mapped for 64bit, Yinghai Lu, (Fri Jul 11, 1:39 am)
Re: [PATCH] x86: introduce max_low_pfn_mapped for 64bit, Ingo Molnar, (Fri Jul 11, 1:51 am)
[PATCH] x86: let 32bit use apic_ops too, Yinghai Lu, (Fri Jul 11, 6:41 pm)
[PATCH] x86: mach_apicdef.h need to include before smp.h, Yinghai Lu, (Fri Jul 11, 6:43 pm)
[PATCH] x86: make read_apic_id return final apicid, Yinghai Lu, (Fri Jul 11, 6:44 pm)
[PATCH] x86: make 64bit have get_apic_id, Yinghai Lu, (Sat Jul 12, 1:01 am)
[PATCH] x86: max_low_pfn_mapped fix #1, Yinghai Lu, (Sat Jul 12, 2:30 pm)
[PATCH] x86: max_low_pfn_mapped fix #2, Yinghai Lu, (Sat Jul 12, 2:31 pm)
[PATCH] x86: max_low_pfn_mapped fix #3, Yinghai Lu, (Sat Jul 12, 2:32 pm)
Re: [PATCH] x86: let 32bit use apic_ops too, Suresh Siddha, (Sat Jul 12, 6:08 pm)
Re: [PATCH] x86: make read_apic_id return final apicid, Suresh Siddha, (Sat Jul 12, 6:19 pm)
Re: [PATCH] x86: let 32bit use apic_ops too, Maciej W. Rozycki, (Sat Jul 12, 6:43 pm)
Re: [PATCH] x86: let 32bit use apic_ops too, Yinghai Lu, (Sat Jul 12, 6:45 pm)
Re: [PATCH] x86: let 32bit use apic_ops too, Maciej W. Rozycki, (Sat Jul 12, 6:54 pm)
Re: [PATCH] x86: let 32bit use apic_ops too, Yinghai Lu, (Sat Jul 12, 7:04 pm)
Re: [PATCH] x86: make 64bit have get_apic_id, Ingo Molnar, (Sat Jul 12, 11:28 pm)
Re: [PATCH] x86: make 64bit have get_apic_id, Ingo Molnar, (Sat Jul 12, 11:59 pm)
Re: [PATCH] x86: make 64bit have get_apic_id, Yinghai Lu, (Sun Jul 13, 12:05 am)
Re: [PATCH] x86: make 64bit have get_apic_id, Ingo Molnar, (Sun Jul 13, 2:23 am)
Re: [PATCH] x86: make 64bit have get_apic_id, Ingo Molnar, (Sun Jul 13, 2:28 am)
Re: [PATCH] x86: max_low_pfn_mapped fix #1, Ingo Molnar, (Sun Jul 13, 2:45 am)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Andi Kleen, (Sun Jul 13, 7:57 am)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Arjan van de Ven, (Sun Jul 13, 8:33 am)
Re: [PATCH] x86: make 64bit have get_apic_id, Suresh Siddha, (Sun Jul 13, 9:15 am)
Re: [PATCH] x86: let 32bit use apic_ops too, Suresh Siddha, (Sun Jul 13, 9:28 am)
Re: [PATCH] x86: let 32bit use apic_ops too, Suresh Siddha, (Sun Jul 13, 9:43 am)
Re: [PATCH] x86: let 32bit use apic_ops too, Maciej W. Rozycki, (Sun Jul 13, 9:51 am)
Re: [PATCH] x86: let 32bit use apic_ops too, Maciej W. Rozycki, (Sun Jul 13, 10:05 am)
Re: [PATCH] x86: let 32bit use apic_ops too, Cyrill Gorcunov, (Sun Jul 13, 10:16 am)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Yinghai Lu, (Sun Jul 13, 11:17 am)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Andi Kleen, (Sun Jul 13, 11:25 am)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Andi Kleen, (Sun Jul 13, 11:48 am)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Yinghai Lu, (Sun Jul 13, 12:00 pm)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Ingo Molnar, (Sun Jul 13, 1:32 pm)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Andi Kleen, (Sun Jul 13, 1:51 pm)
[PATCH] x86: max_low_pfn_mapped fix #4, Yinghai Lu, (Sun Jul 13, 2:29 pm)
[PATCH] x86: get x86_phys_bits early, Yinghai Lu, (Sun Jul 13, 2:30 pm)
[PATCH] x86: make 64bit hpet_set_mapping to use ioremap too, Yinghai Lu, (Sun Jul 13, 2:32 pm)
[PATCH] x86: make 64bit hpet_set_mapping to use ioremap too v2, Yinghai Lu, (Sun Jul 13, 2:50 pm)
Re: [PATCH] x86: let 32bit use apic_ops too, Maciej W. Rozycki, (Sun Jul 13, 4:46 pm)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, H. Peter Anvin, (Sun Jul 13, 5:04 pm)
[PATCH] x86: let 32bit use apic_ops too - fix, Yinghai Lu, (Sun Jul 13, 10:19 pm)
Re: [PATCh] x86: overmapped fix when 4K pages on tail - 64bit, Andi Kleen, (Sun Jul 13, 11:39 pm)
Re: [PATCH] x86: let 32bit use apic_ops too - fix, Ingo Molnar, (Mon Jul 14, 12:12 am)
Re: [PATCH] x86: let 32bit use apic_ops too, Cyrill Gorcunov, (Mon Jul 14, 9:48 am)
Re: [PATCH] x86: let 32bit use apic_ops too - fix, Suresh Siddha, (Mon Jul 14, 9:49 am)
Re: [PATCH] x86: let 32bit use apic_ops too - fix, Yinghai Lu, (Mon Jul 14, 10:00 am)
Re: [PATCH] x86: let 32bit use apic_ops too, Maciej W. Rozycki, (Mon Jul 14, 10:20 am)
Re: [PATCH] x86: let 32bit use apic_ops too - fix, Suresh Siddha, (Mon Jul 14, 11:03 am)
Re: [PATCH] x86: let 32bit use apic_ops too, Cyrill Gorcunov, (Mon Jul 14, 11:09 am)
Re: [PATCH] x86: let 32bit use apic_ops too, Maciej W. Rozycki, (Mon Jul 14, 11:24 am)
Re: [PATCH] x86: let 32bit use apic_ops too, Cyrill Gorcunov, (Mon Jul 14, 11:32 am)
Re: [PATCH] x86: let 32bit use apic_ops too - fix, Suresh Siddha, (Tue Jul 15, 10:33 am)
Re: [PATCH] x86: let 32bit use apic_ops too - fix, Yinghai Lu, (Tue Jul 15, 11:10 am)
Re: [PATCH] x86: let 32bit use apic_ops too - fix, Suresh Siddha, (Tue Jul 15, 11:27 am)
Re: [PATCH] x86: let 32bit use apic_ops too - fix, Ingo Molnar, (Fri Jul 18, 10:06 am)
Re: [PATCH] x86: let 32bit use apic_ops too - fix, Ingo Molnar, (Fri Jul 18, 10:07 am)