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path: root/arch/x86/include/asm/pgtable_32.h
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* x86: Add NMI types for kmap_atomic, fixPeter Zijlstra2009-06-151-1/+4
| | | | | | | | | | | | | | | | | | | | | I just realized this has a kmap_atomic bug in... The below would fix it - but it's complicating this code some more. Alternatively I would have to introduce something like pte_offset_map_irq() which would make the irq/nmi detection and leave the regular code paths alone, however that would mean either duplicating the gup_fast() pagewalk or passing down a pte function pointer, which would only duplicate the gup_pte_range() bit, neither is really attractive ... Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> CC: Nick Piggin <npiggin@suse.de> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: Add NMI types for kmap_atomicPeter Zijlstra2009-06-151-2/+3
| | | | | | | | | | | | Two new kmap_atomic slots for NMI context. And teach pte_offset_map() about NMI context. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> CC: Nick Piggin <npiggin@suse.de> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86-32: use brk segment for allocating initial kernel pagetableJeremy Fitzhardinge2009-03-141-3/+0
| | | | | | | | | | | | | | | Impact: use new interface instead of previous ad hoc implementation Rather than having special purpose init_pg_table_start/end variables to delimit the kernel pagetable built by head_32.S, just use the brk mechanism to extend the bss for the new pagetable. This patch removes init_pg_table_start/end and pg0, defines __brk_base (which is page-aligned and immediately follows _end), initializes the brk region to start there, and uses it for the 32-bit pagetable. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: Split pgtable_32.h into pgtable_32.h and pgtable_32_types.hJeremy Fitzhardinge2009-02-111-41/+1
| | | | Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
* x86: rename *-defs.h to *-_types.h for consistencyJeremy Fitzhardinge2009-02-111-2/+2
| | | | | | | The kernel tends to call definition-only headers *_types.h, so rename the x86 page/pgtable headers accordingly. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify io_remap_pfn_rangeJeremy Fitzhardinge2009-02-061-3/+0
| | | | | | | | Impact: cleanup Unify io_remap_pfn_range. Don't demacro yet. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pages_to_mbJeremy Fitzhardinge2009-02-061-2/+0
| | | | | | | | Impact: cleanup Unify and demacro pages_to_mb. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pmd_badJeremy Fitzhardinge2009-02-061-2/+0
| | | | | | | | Impact: cleanup Unify and demacro pmd_bad. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pud_largeJeremy Fitzhardinge2009-02-061-2/+0
| | | | | | | | Impact: cleanup Unify and demacro pud_large. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pte_offset_kernelJeremy Fitzhardinge2009-02-061-3/+0
| | | | | | | | Impact: cleanup Unify and demacro pte_offset_kernel. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pte_indexJeremy Fitzhardinge2009-02-061-8/+0
| | | | | | | | Impact: cleanup Unify and demacro pte_index. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pmd_pfnJeremy Fitzhardinge2009-02-061-7/+0
| | | | | | | | | Impact: cleanup Unify pmd_pfn. Unfortunately it can't be demacroed because it has a cyclic dependency on linux/mm.h:page_to_nid(). Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pmd_indexJeremy Fitzhardinge2009-02-061-9/+0
| | | | | | | | Impact: cleanup Unify and demacro pmd_index. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pmd_pageJeremy Fitzhardinge2009-02-061-2/+0
| | | | | | | | Impact: cleanup Unify and demacro pmd_page. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pmd_page_vaddrJeremy Fitzhardinge2009-02-061-3/+0
| | | | | | | | Impact: cleanup Unify and demacro pmd_page_vaddr. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pmd_noneJeremy Fitzhardinge2009-02-061-2/+0
| | | | | | | | Impact: cleanup Unify and demacro pmd_none. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pmd_presentJeremy Fitzhardinge2009-02-061-1/+0
| | | | | | | | Impact: cleanup Unify and demacro pmd_present. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: unify pte_presentJeremy Fitzhardinge2009-02-061-2/+0
| | | | | | | | Impact: cleanup Unify and demacro pte_present. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
* x86: PAT: change pgprot_noncached to uc_minus instead of strong uc - v3venkatesh.pallipadi@intel.com2008-12-181-9/+0
| | | | | | | | | | | | Impact: mm behavior change. Make pgprot_noncached uc_minus instead of strong UC. This will make pgprot_noncached to be in line with ioremap_nocache() and all the other APIs that map page uc_minus on uc request. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: Fix ASM_X86__ header guardsH. Peter Anvin2008-10-221-3/+3
| | | | | | | | | Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86, um: ... and asm-x86 moveAl Viro2008-10-221-0/+191
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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