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2009-02-11x86: define pud_flags and pud_large properly to allow non-PAE buildsJeremy Fitzhardinge
2009-02-11x86: move defs around to allow paravirt.h to just include page_types.hJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
2009-02-11x86: move 2 and 3 level asm-generic defs into page-defsJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
2009-02-11x86: create _types.h counterparts for page*.hJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
2009-02-11x86: Include pgtable_32|64_types.h in pgtable_types.hJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
2009-02-11x86: Split pgtable_64.h into pgtable_64_types.h and pgtable_64.hJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
2009-02-11x86: Split pgtable_32.h into pgtable_32.h and pgtable_32_types.hJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
2009-02-11Split pgtable.h into pgtable_types.h and pgtable.hJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
2009-02-11x86: rename *-defs.h to *-_types.h for consistencyJeremy Fitzhardinge
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>
2009-02-11Merge commit 'remotes/tip/x86/paravirt' into x86/untangle2Jeremy Fitzhardinge
* commit 'remotes/tip/x86/paravirt': (175 commits) xen: use direct ops on 64-bit xen: make direct versions of irq_enable/disable/save/restore to common code xen: setup percpu data pointers xen: fix 32-bit build resulting from mmu move x86/paravirt: return full 64-bit result x86, percpu: fix kexec with vmlinux x86/vmi: fix interrupt enable/disable/save/restore calling convention. x86/paravirt: don't restore second return reg xen: setup percpu data pointers x86: split loading percpu segments from loading gdt x86: pass in cpu number to switch_to_new_gdt() x86: UV fix uv_flush_send_and_wait() x86/paravirt: fix missing callee-save call on pud_val x86/paravirt: use callee-saved convention for pte_val/make_pte/etc x86/paravirt: implement PVOP_CALL macros for callee-save functions x86/paravirt: add register-saving thunks to reduce caller register pressure x86/paravirt: selectively save/restore regs around pvops calls x86: fix paravirt clobber in entry_64.S x86/pvops: add a paravirt_ident functions to allow special patching xen: move remaining mmu-related stuff into mmu.c ... Conflicts: arch/x86/mach-voyager/voyager_smp.c arch/x86/mm/fault.c
2009-02-09x86, pgtable.h: fix 2-level 32-bit buildIngo Molnar
- pmd_flags() needs to be available on 2-levels too - provide pud_large() wrapper as well - include page.h - it provides basic types relied on by pgtable.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-09x86, pgtable.h: macro-ify *_page() methodsIngo Molnar
The p?d_page() methods still rely on highlevel types and methods: In file included from arch/x86/kernel/early_printk.c:18: /home/mingo/tip/arch/x86/include/asm/pgtable.h: In function ‘pmd_page’: /home/mingo/tip/arch/x86/include/asm/pgtable.h:516: error: implicit declaration of function ‘__pfn_to_section’ /home/mingo/tip/arch/x86/include/asm/pgtable.h:516: error: initialization makes pointer from integer without a cast /home/mingo/tip/arch/x86/include/asm/pgtable.h:516: error: implicit declaration of function ‘__section_mem_map_addr’ /home/mingo/tip/arch/x86/include/asm/pgtable.h:516: error: return makes pointer from integer without a cast So convert them to macros and document the type dependency. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-09x86: early_printk.c - fix pgtable.h unification falloutIngo Molnar
arch/x86/kernel/early_printk.c: In function ‘early_dbgp_init’: arch/x86/kernel/early_printk.c:827: error: ‘PAGE_KERNEL_NOCACHE’ undeclared (first use in this function) arch/x86/kernel/early_printk.c:827: error: (Each undeclared identifier is reported only once arch/x86/kernel/early_printk.c:827: error: for each function it appears in.) Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-09Merge branch 'jsgf/x86/unify' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen into x86/headers
2009-02-07Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI PM: make the PM core more careful with drivers using the new PM framework PCI PM: Read power state from device after trying to change it on resume PCI PM: Do not disable and enable bridges during suspend-resume PCI: PCIe portdrv: Simplify suspend and resume PCI PM: Fix saving of device state in pci_legacy_suspend PCI PM: Check if the state has been saved before trying to restore it PCI PM: Fix handling of devices without drivers PCI: return error on failure to read PCI ROMs PCI: properly clean up ASPM link state on device remove
2009-02-07Merge branches 'release', 'asus', 'bugzilla-12450', 'cpuidle', 'debug', ↵Len Brown
'ec', 'misc', 'printk' and 'processor' into release
2009-02-06x86-64: fix int $0x80 -ENOSYS returnRoland McGrath
One of my past fixes to this code introduced a different new bug. When using 32-bit "int $0x80" entry for a bogus syscall number, the return value is not correctly set to -ENOSYS. This only happens when neither syscall-audit nor syscall tracing is enabled (i.e., never seen if auditd ever started). Test program: /* gcc -o int80-badsys -m32 -g int80-badsys.c Run on x86-64 kernel. Note to reproduce the bug you need auditd never to have started. */ #include <errno.h> #include <stdio.h> int main (void) { long res; asm ("int $0x80" : "=a" (res) : "0" (99999)); printf ("bad syscall returns %ld\n", res); return res != -ENOSYS; } The fix makes the int $0x80 path match the sysenter and syscall paths. Reported-by: Dmitry V. Levin <ldv@altlinux.org> Signed-off-by: Roland McGrath <roland@redhat.com>
2009-02-06x86: Fix compile error in arch/x86/kernel/early_printk.cJeremy Fitzhardinge
Fix compile problem: CC arch/x86/kernel/early_printk.o In file included from /home/jeremy/hg/xen/paravirt/linux/arch/x86/kernel/early_printk.c:17: /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h: In function 'pmd_page': /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h:516: error: implicit declaration of function '__pfn_to_section' /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h:516: warning: initialization makes pointer from integer without a cast /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h:516: error: implicit declaration of function '__section_mem_map_addr' /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h:516: warning: return makes pointer from integer without a cast /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h: In function 'pud_page': /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h:586: warning: initialization makes pointer from integer without a cast /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h:586: warning: return makes pointer from integer without a cast /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h: In function 'pgd_page': /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h:625: warning: initialization makes pointer from integer without a cast /home/jeremy/hg/xen/paravirt/linux/arch/x86/include/asm/pgtable.h:625: warning: return makes pointer from integer without a cast This is a cycling dependency between asm/pgtable.h and linux/mmzone.h when using CONFIG_SPARSEMEM. Rather than hacking up the headers some more, remove asm/pgtable.h, since early_printk.c doesn't actually need it. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: asm/io.h: unify ioremap prototypesJeremy Fitzhardinge
Impact: unify identical code asm/io_32.h and _64.h have identical prototypes for the ioremap family of functions. The 32-bit header had a more descriptive comment. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: asm/io.h: unify virt_to_phys/phys_to_virtJeremy Fitzhardinge
Impact: unify identical code asm/io_32.h and _64.h has functionally identical definitions for virt_to_phys, phys_to_virt, page_to_phys, and the isa_* variants, so just unify them. The only slightly functional change is using phys_addr_t for the physical address argument and return val. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: make pgd/pud/pmd/pte_none consistentJeremy Fitzhardinge
The _none test is done differently for every level of the pagetable. Standardize them by: 1: Use the native_X_val to extract the raw entry, with no need to go via paravirt_ops, diff -r 1d0646d0d319 arch/x86/include/asm/pgtable.h, and 2: Compare with 0 rather than using a boolean !, since they are actually values and not booleans. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: add and use pgd/pud/pmd_flagsJeremy Fitzhardinge
Add pgd/pud/pmd_flags which are analogous to pte_flags, and use them where-ever we only care about testing the flags portions of the respective entries. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify io_remap_pfn_rangeJeremy Fitzhardinge
Impact: cleanup Unify io_remap_pfn_range. Don't demacro yet. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pgd_noneJeremy Fitzhardinge
Impact: cleanup Unify and demacro pgd_none. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pud_noneJeremy Fitzhardinge
Impact: cleanup Unify and demacro pud_none. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pages_to_mbJeremy Fitzhardinge
Impact: cleanup Unify and demacro pages_to_mb. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pmd_badJeremy Fitzhardinge
Impact: cleanup Unify and demacro pmd_bad. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pgd_badJeremy Fitzhardinge
Impact: cleanup Unify and demacro pgd_bad. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pgd_badJeremy Fitzhardinge
Impact: cleanup Unify and demacro pgd_bad. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pud_largeJeremy Fitzhardinge
Impact: cleanup Unify and demacro pud_large. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pte_offset_kernelJeremy Fitzhardinge
Impact: cleanup Unify and demacro pte_offset_kernel. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pte_indexJeremy Fitzhardinge
Impact: cleanup Unify and demacro pte_index. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pmd_pfnJeremy Fitzhardinge
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>
2009-02-06x86: unify pmd_pfnJeremy Fitzhardinge
Impact: cleanup Unify and demacro pmd_pfn. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: remove redundant pfn_pmd definitionJeremy Fitzhardinge
Impact: cleanup It's already defined in pgtable.h Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pmd_offsetJeremy Fitzhardinge
Impact: cleanup Unify and demacro pmd_offset. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pmd_indexJeremy Fitzhardinge
Impact: cleanup Unify and demacro pmd_index. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pmd_pageJeremy Fitzhardinge
Impact: cleanup Unify and demacro pmd_page. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pmd_page_vaddrJeremy Fitzhardinge
Impact: cleanup Unify and demacro pmd_page_vaddr. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pud_offsetJeremy Fitzhardinge
Impact: cleanup Unify and demacro pud_offset. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pud_indexJeremy Fitzhardinge
Impact: cleanup Unify and demacro pud_index. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pgd_pageJeremy Fitzhardinge
Impact: cleanup Unify and demacro pgd_page. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pud_pageJeremy Fitzhardinge
Impact: cleanup Unify and demacro pud_page. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: include pgtable_SIZE.h earlierJeremy Fitzhardinge
We'll need the definitions sooner. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pud_page_vaddrJeremy Fitzhardinge
Impact: cleanup Unify and demacro pud_page_vaddr. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pgd_page_vaddrJeremy Fitzhardinge
Impact: cleanup Unify and demacro pgd_page_vaddr. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pmd_noneJeremy Fitzhardinge
Impact: cleanup Unify and demacro pmd_none. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pmd_presentJeremy Fitzhardinge
Impact: cleanup Unify and demacro pmd_present. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pgd_presentJeremy Fitzhardinge
Impact: cleanup Unify and demacro pgd_present. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-06x86: unify pud_presentJeremy Fitzhardinge
Impact: cleanup Unify and demacro pud_present. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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