From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: mingo@elte.hu, hpa@zytor.com, tglx@linutronix.de,
arjan@linux.intel.com, venkatesh.pallipadi@intel.com,
linux-kernel@vger.kernel.org
Subject: Re: [patch 3/7] x86, cpa: make the kernel physical mapping initialization a two pass sequence
Date: Mon, 06 Oct 2008 16:09:55 -0700 [thread overview]
Message-ID: <48EA9AC3.1050603@goop.org> (raw)
In-Reply-To: <48EA798D.1090303@goop.org>
Jeremy Fitzhardinge wrote:
> As it is, I suspect it will take a non-trivial amount of work to
> restore Xen with this code in place (touching this code is always
> non-trivial). I haven't looked into it in depth yet, but there's a
> few stand out "bad for Xen" pieces of code here. (And I haven't
> tested 32-bit yet.)
32-bit Xen is OK with this patch. Reverting it restores 64-bit Xen.
J
next prev parent reply other threads:[~2008-10-06 23:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-23 21:00 [patch 0/7] x86, cpa: cpa related changes to be inline with TLB Application note - v2 Suresh Siddha
2008-09-23 21:00 ` [patch 1/7] x86, cpa: rename PTE attribute macros for kernel direct mapping in early boot Suresh Siddha
2008-09-23 21:00 ` [patch 2/7] x86, cpa: remove USER permission from the very early identity mapping attribute Suresh Siddha
2008-09-23 21:00 ` [patch 3/7] x86, cpa: make the kernel physical mapping initialization a two pass sequence Suresh Siddha
2008-10-06 20:48 ` Jeremy Fitzhardinge
2008-10-06 23:09 ` Jeremy Fitzhardinge [this message]
2008-10-07 1:58 ` Suresh Siddha
2008-10-07 15:28 ` Jeremy Fitzhardinge
2008-10-07 20:58 ` Suresh Siddha
2008-10-07 21:33 ` Jeremy Fitzhardinge
2008-10-08 19:46 ` Jeremy Fitzhardinge
2008-10-08 21:08 ` Ingo Molnar
2008-09-23 21:00 ` [patch 4/7] x86, cpa: dont use large pages for kernel identity mapping with DEBUG_PAGEALLOC Suresh Siddha
2008-09-23 21:00 ` [patch 5/7] x86, cpa: no need to check alias for __set_pages_p/__set_pages_np Suresh Siddha
2008-09-23 21:00 ` [patch 6/7] x86, cpa: remove cpa pool code Suresh Siddha
2008-09-23 21:00 ` [patch 7/7] x86, cpa: srlz cpa(), global flush tlb after splitting big page and before doing cpa Suresh Siddha
2008-09-24 8:15 ` [patch 0/7] x86, cpa: cpa related changes to be inline with TLB Application note - v2 Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2008-09-11 20:30 [patch 0/7] x86, cpa: cpa related changes to be inline with TLB Application note Suresh Siddha
2008-09-11 20:30 ` [patch 3/7] x86, cpa: make the kernel physical mapping initialization a two pass sequence Suresh Siddha
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