Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support

view
thread

!MAILaRCHIVE_VOTE_RePLACE

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

To: Jeremy Fitzhardinge <jeremy@...>

Cc: Mark McLoughlin <markmc@...>, xen-devel <xen-devel@...>, Eduardo Habkost <ehabkost@...>, Stephen Tweedie <sct@...>, LKML <linux-kernel@...>

Subject: Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support

Date: Wednesday, June 25, 2008 - 8:40 am

Jeremy Fitzhardinge <jeremy@goop.org> writes:
quoted text>
> This moves __PAGE_OFFSET up by 16 GDT slots, from 0xffff810000000000

GDT?  PDP?

quoted text> to 0xffff880000000000.  I have no general justification for this: th

This will significantly decrease the maximum amount of physical
memory supported by Linux longer term.

quoted text> "x86_64: PSE no longer a hard requirement."
>
> Because booting under Xen doesn't set PSE, it's no longer a hard
> requirement for the kernel.  PSE will be used whereever possible.

Both sound like cases of "let's hack Linux to work around Xen 
problems"

-Andi
--
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen sup..., Jeremy Fitzhardinge, (Wed Jun 25, 12:18 am)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Andi Kleen, (Wed Jun 25, 8:40 am)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Jeremy Fitzhardinge, (Wed Jun 25, 4:03 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Keir Fraser, (Wed Jun 25, 2:45 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Andi Kleen, (Wed Jun 25, 3:13 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Keir Fraser, (Wed Jun 25, 3:22 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Andi Kleen, (Wed Jun 25, 4:14 pm)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Ingo Molnar, (Wed Jun 25, 4:42 am)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Ingo Molnar, (Wed Jun 25, 11:22 am)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Jeremy Fitzhardinge, (Wed Jun 25, 4:12 pm)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Ingo Molnar, (Thu Jun 26, 6:57 am)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Jeremy Fitzhardinge, (Thu Jun 26, 3:02 pm)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Jeremy Fitzhardinge, (Thu Jun 26, 2:25 pm)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Jeremy Fitzhardinge, (Thu Jun 26, 10:28 am)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Ingo Molnar, (Thu Jun 26, 6:58 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Thu Jun 26, 10:34 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Fri Jun 27, 12:03 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Fri Jun 27, 3:04 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Sun Jun 29, 4:43 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Sun Jun 29, 11:02 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Mon Jun 30, 4:21 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Mon Jun 30, 5:22 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Mon Jun 30, 7:04 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Tue Jul 1, 4:52 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Tue Jul 1, 5:21 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Tue Jul 1, 12:14 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Tue Jul 1, 4:31 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Thu Jul 3, 5:10 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Yinghai Lu, (Thu Jul 3, 2:20 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Thu Jul 3, 2:25 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Yinghai Lu, (Thu Jul 3, 2:30 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Thu Jul 3, 2:41 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Yinghai Lu, (Thu Jul 3, 2:51 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Yinghai Lu, (Thu Jul 3, 3:19 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Yinghai Lu, (Thu Jul 3, 3:29 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Wed Jul 9, 3:42 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Thu Jul 3, 11:47 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Tue Jul 1, 12:10 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Mon Jun 30, 1:57 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Mon Jun 30, 2:03 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Mon Jun 30, 1:17 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Mon Jun 30, 2:12 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Mon Jun 30, 2:36 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Mon Jun 30, 2:44 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Yinghai Lu, (Mon Jun 30, 12:35 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Mon Jun 30, 1:32 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Fri Jun 27, 11:56 am)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Fri Jun 27, 12:02 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Ingo Molnar, (Fri Jun 27, 12:06 pm)

Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwor..., Jeremy Fitzhardinge, (Fri Jun 27, 12:25 pm)

Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen..., Jeremy Fitzhardinge, (Wed Jun 25, 7:46 am)

[PATCH 36 of 36] x86_64/paravirt: Make load_gs_index() a par..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

Re: [PATCH 36 of 36] x86_64/paravirt: Make load_gs_index() a..., Ingo Molnar, (Wed Jun 25, 4:47 am)

Re: [PATCH 36 of 36] x86_64/paravirt: Make load_gs_index() a..., Jeremy Fitzhardinge, (Wed Jun 25, 7:48 am)

[PATCH 26 of 36] x86_64: Split set_pte_vaddr(), Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 35 of 36] x86_64/paravirt: add adjust_exception_frame, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 04 of 36] x86: remove open-coded save/load segment op..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 25 of 36] x86_64: PSE no longer a hard requirement, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 18 of 36] x86/paravirt: add debugging for missing ope..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 01 of 36] x86: asm-x86/pgtable.h: fix compiler warning, Jeremy Fitzhardinge, (Wed Jun 25, 12:18 am)

[PATCH 32 of 36] Add sysret/sysexit pvops for returning to 3..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 31 of 36] x86_64 pvops: don't restore user rsp within..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 06 of 36] x86_64: use p??_populate() to attach pages ..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 07 of 36] x86_64: unify early_ioremap, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 19 of 36] paravirt_ops: define PARA_INDIRECT for indi..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 28 of 36] Save %fs and %gs before load_TLS() and arch..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 30 of 36] x86/paravirt_ops: split sysret and sysexit, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 21 of 36] x86-64: add FIX_PARAVIRT_BOOTMAP fixmap slot, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 20 of 36] paravirt/x86_64: move __PAGE_OFFSET to leav..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 34 of 36] x86_64: swapgs pvop with a user-stack can n..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 05 of 36] x86_64: use write_gdt_entry in vsyscall_set..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 33 of 36] x86_64: ia32entry: replace privileged instr..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 27 of 36] x86_64: __switch_to(): Move arch_leave_lazy..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 29 of 36] Use __KERNEL_DS as SS when returning to a k..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 24 of 36] x86_64: create small vmemmap mappings if PS..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 10 of 36] x86: unify pgd_index, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 11 of 36] x86: unify mmu_context.h, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 08 of 36] x86_64: Add gate_offset() and gate_segment(..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 09 of 36] x86_64: Use __pgd() on mk_kernel_pgd(), Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 23 of 36] x86_64: adjust mapping of physical pagetabl..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 14 of 36] x86_64: add sync_cmpxchg, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 03 of 36] x86: add memory barriers to wrmsr, Jeremy Fitzhardinge, (Wed Jun 25, 12:18 am)

Re: [PATCH 03 of 36] x86: add memory barriers to wrmsr, Arjan van de Ven, (Wed Jun 25, 12:44 am)

Re: [PATCH 03 of 36] x86: add memory barriers to wrmsr, Jeremy Fitzhardinge, (Wed Jun 25, 5:08 pm)

Re: [PATCH 03 of 36] x86: add memory barriers to wrmsr, Arjan van de Ven, (Wed Jun 25, 6:31 pm)

Re: [PATCH 03 of 36] x86: add memory barriers to wrmsr, H. Peter Anvin, (Wed Jun 25, 7:18 pm)

Re: [PATCH 03 of 36] x86: add memory barriers to wrmsr, Jeremy Fitzhardinge, (Wed Jun 25, 7:37 pm)

Re: [PATCH 03 of 36] x86: add memory barriers to wrmsr, H. Peter Anvin, (Wed Jun 25, 7:42 pm)

Re: [PATCH 03 of 36] x86: add memory barriers to wrmsr, Jeremy Fitzhardinge, (Wed Jun 25, 7:05 pm)

[PATCH 13 of 36] x86_64: add prototype for x86_64_start_kern..., Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 12 of 36] x86_64: replace end_pfn with num_physpages, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 17 of 36] x86: preallocate and prepopulate separately, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 15 of 36] x86: simplify vmalloc_sync_all, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 22 of 36] x86_64: split x86_64_start_kernel, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 16 of 36] x86/paravirt: add a pgd_alloc/free hooks, Jeremy Fitzhardinge, (Wed Jun 25, 12:19 am)

[PATCH 02 of 36] x86: add memory clobber to save/loadsegment, Jeremy Fitzhardinge, (Wed Jun 25, 12:18 am)

Navigation

Popular discussions


linux-kernel:
david	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
Bart Van Assche	Integration of SCST in the mainstream Linux kernel
Greg KH	[GIT PATCH] driver core patches against 2.6.24
Heiko Carstens	Re: -mm merge plans for 2.6.23 -- sys_fallocate
git:

linux-netdev:
David Miller	Re: [GIT]: Networking
Jarek Poplawski	[PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Gerrit Renker	[PATCH 05/37] dccp: Cleanup routines for feature negotiation
Lennert Buytenhek	[PATCH 16/39] mv643xx_eth: get rid of ETH_/ethernet_/eth_ prefixes
openbsd-misc:

Colocation donated by:

Online users

Syndicate