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Date: Tue, 10 Feb 2009 11:31:50 -0800
From: Jeremy Fitzhardinge <jeremy@...p.org>
To: Ingo Molnar <mingo@...e.hu>
CC: the arch/x86 maintainers <x86@...nel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] x86: more header untangling
Hi Ingo,
I updated my x86/untangle branch with a merge of tip/x86/headers, which
needed a couple of little conflict resolutions. Basically this series
splits out all the simple definitions into -defs.h headers, which in
turn only have very simple dependencies (either on other -defs.h
headers, or core generic headers like linux/types.h). It should go some
way to making it easier to simplify other header's dependencies.
BTW, I've been trying to work out what the real distinction between
asm/page*.h and asm/pgtable*.h is. pgtable*.h obviously has stuff that
specifically relates to the details of the page table structures, entry
formats, bits, and so on, whereas page*.h has more general things like
page sizes, the layout of the kernel's physical and virtual address
spaces, etc. So it seems like an anomaly that its page*.h which ends up
defining all the pte_t/pteval_t/etc types and their associated
functions. We could move all those into pgtable*.h, but pgtable*.h
would still depend on page*.h for things like PTE_PFN_MASK, etc, so I
don't think it would make any practical difference.
Thanks,
J
The following changes since commit c47c1b1f3a9d6973108020df1dcab7604f7774dd:
Ingo Molnar (1):
x86, pgtable.h: fix 2-level 32-bit build
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git x86/untangle
Jeremy Fitzhardinge (12):
Include linux/mmzone to avoid cyclic dependency
Revert "Include linux/mmzone to avoid cyclic dependency"
Split pgtable.h into pgtable-defs.h and pgtable.h
Split pgtable_32.h into pgtable_32.h and pgtable_32-defs.h
Split pgtable_64.h into pgtable_64-defs.h and pgtable_64.h
Include pgtable_32|64-defs.h in pgtable-defs.h
create -defs.h counterparts for page*.h
x86: move 2 and 3 level asm-generic defs into page-defs
x86: move defs around to allow paravirt.h to just include page-defs.h
define pud_flags and pud_large properly to allow non-PAE builds
Merge remote branch 'tip/x86/headers' into x86/untangle
x86: reinstate lost pud_large()
arch/x86/include/asm/page-defs.h | 155 ++++++++++++++++++++++
arch/x86/include/asm/page.h | 146 +--------------------
arch/x86/include/asm/page_32-defs.h | 92 +++++++++++++
arch/x86/include/asm/page_32.h | 89 +------------
arch/x86/include/asm/page_64-defs.h | 105 +++++++++++++++
arch/x86/include/asm/page_64.h | 101 +--------------
arch/x86/include/asm/paravirt.h | 2 +-
arch/x86/include/asm/pgtable-defs.h | 227 +++++++++++++++++++++++++++++++
arch/x86/include/asm/pgtable.h | 228 +-------------------------------
arch/x86/include/asm/pgtable_32-defs.h | 46 +++++++
arch/x86/include/asm/pgtable_32.h | 42 +------
arch/x86/include/asm/pgtable_64-defs.h | 46 +++++++
arch/x86/include/asm/pgtable_64.h | 48 +-------
13 files changed, 688 insertions(+), 639 deletions(-)
create mode 100644 arch/x86/include/asm/page-defs.h
create mode 100644 arch/x86/include/asm/page_32-defs.h
create mode 100644 arch/x86/include/asm/page_64-defs.h
create mode 100644 arch/x86/include/asm/pgtable-defs.h
create mode 100644 arch/x86/include/asm/pgtable_32-defs.h
create mode 100644 arch/x86/include/asm/pgtable_64-defs.h
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