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2009-09-18Merge branch 'x86-platform-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (38 commits) x86: Move get/set_wallclock to x86_platform_ops x86: platform: Fix section annotations x86: apic namespace cleanup x86: Distangle ioapic and i8259 x86: Add Moorestown early detection x86: Add hardware_subarch ID for Moorestown x86: Add early platform detection x86: Move tsc_init to late_time_init x86: Move tsc_calibration to x86_init_ops x86: Replace the now identical time_32/64.c by time.c x86: time_32/64.c unify profile_pc x86: Move calibrate_cpu to tsc.c x86: Make timer setup and global variables the same in time_32/64.c x86: Remove mca bus ifdef from timer interrupt x86: Simplify timer_ack magic in time_32.c x86: Prepare unification of time_32/64.c x86: Remove do_timer hook x86: Add timer_init to x86_init_ops x86: Move percpu clockevents setup to x86_init_ops x86: Move xen_post_allocator_init into xen_pagetable_setup_done ... Fix up conflicts in arch/x86/include/asm/io_apic.h
2009-09-14Merge branch 'x86-mm-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, highmem_32.c: Clean up comment x86, pgtable.h: Clean up types x86: Clean up dump_pagetable()
2009-08-31x86: Move paravirt pagetable_setup to x86_init_opsThomas Gleixner
Replace more paravirt hackery by proper x86_init_ops. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2009-08-17x86, pat: Allow ISA memory range uncacheable mapping requestsSuresh Siddha
Max Vozeler reported: > Bug 13877 - bogl-term broken with CONFIG_X86_PAT=y, works with =n > > strace of bogl-term: > 814 mmap2(NULL, 65536, PROT_READ|PROT_WRITE, MAP_SHARED, 4, 0) > = -1 EAGAIN (Resource temporarily unavailable) > 814 write(2, "bogl: mmaping /dev/fb0: Resource temporarily unavailable\n", > 57) = 57 PAT code maps the ISA memory range as WB in the PAT attribute, so that fixed range MTRR registers define the actual memory type (UC/WC/WT etc). But the upper level is_new_memtype_allowed() API checks are failing, as the request here is for UC and the return tracked type is WB (Tracked type is WB as MTRR type for this legacy range potentially will be different for each 4k page). Fix is_new_memtype_allowed() by always succeeding the ISA address range checks, as the null PAT (WB) and def MTRR fixed range register settings satisfy the memory type needs of the applications that map the ISA address range. Reported-and-Tested-by: Max Vozeler <xam@debian.org> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-06-29x86, pgtable.h: Clean up typesFigo.zhang
Use "unsigned long" consistently, not "unsigned". Signed-off-by: Figo.zhang <figo1802@gmail.com> LKML-Reference: <1246183659.2530.4.camel@myhost> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-29x86: Clean up dump_pagetable()Akinobu Mita
Use pgtable access helpers for 32-bit version dump_pagetable() and get rid of __typeof__() operators. This needs to make pmd_pfn() available for 2-level pgtable. Also, remove some casts for 64-bit version dump_pagetable(). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> LKML-Reference: <20090627063514.GA2834@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-15x86: unify pte_hiddenJeremy Fitzhardinge
Unify and demacro pte_hidden. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> [rebased for mainline inclusion] Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
2009-06-13kmemcheck: add the kmemcheck coreVegard Nossum
General description: kmemcheck is a patch to the linux kernel that detects use of uninitialized memory. It does this by trapping every read and write to memory that was allocated dynamically (e.g. using kmalloc()). If a memory address is read that has not previously been written to, a message is printed to the kernel log. Thanks to Andi Kleen for the set_memory_4k() solution. Andrew Morton suggested documenting the shadow member of struct page. Signed-off-by: Vegard Nossum <vegardno@ifi.uio.no> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> [export kmemcheck_mark_initialized] [build fix for setup_max_cpus] Signed-off-by: Ingo Molnar <mingo@elte.hu> [rebased for mainline inclusion] Signed-off-by: Vegard Nossum <vegardno@ifi.uio.no>
2009-06-10Merge branch 'x86-xen-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-xen-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (42 commits) xen: cache cr0 value to avoid trap'n'emulate for read_cr0 xen/x86-64: clean up warnings about IST-using traps xen/x86-64: fix breakpoints and hardware watchpoints xen: reserve Xen start_info rather than e820 reserving xen: add FIX_TEXT_POKE to fixmap lguest: update lazy mmu changes to match lguest's use of kvm hypercalls xen: honour VCPU availability on boot xen: add "capabilities" file xen: drop kexec bits from /sys/hypervisor since kexec isn't implemented yet xen/sys/hypervisor: change writable_pt to features xen: add /sys/hypervisor support xen/xenbus: export xenbus_dev_changed xen: use device model for suspending xenbus devices xen: remove suspend_cancel hook xen/dev-evtchn: clean up locking in evtchn xen: export ioctl headers to userspace xen: add /dev/xen/evtchn driver xen: add irq_from_evtchn xen: clean up gate trap/interrupt constants xen: set _PAGE_NX in __supported_pte_mask before pagetable construction ...
2009-04-12x86: clean up declarations and variablesJaswinder Singh Rajput
Impact: cleanup, no code changed - syscalls.h update declarations due to unifications - irq.c declare smp_generic_interrupt() before it gets used - process.c declare sys_fork() and sys_vfork() before they get used - tsc.c rename tsc_khz shadowed variable - apic/probe_32.c declare apic_default before it gets used - apic/nmi.c prev_nmi_count should be unsigned - apic/io_apic.c declare smp_irq_move_cleanup_interrupt() before it gets used - mm/init.c declare direct_gbpages and free_initrd_mem before they get used Signed-off-by: Jaswinder Singh Rajput <jaswinder@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-07Merge commit 'origin/master' into for-linus/xen/masterJeremy Fitzhardinge
* commit 'origin/master': (4825 commits) Fix build errors due to CONFIG_BRANCH_TRACER=y parport: Use the PCI IRQ if offered tty: jsm cleanups Adjust path to gpio headers KGDB_SERIAL_CONSOLE check for module Change KCONFIG name tty: Blackin CTS/RTS Change hardware flow control from poll to interrupt driven Add support for the MAX3100 SPI UART. lanana: assign a device name and numbering for MAX3100 serqt: initial clean up pass for tty side tty: Use the generic RS485 ioctl on CRIS tty: Correct inline types for tty_driver_kref_get() splice: fix deadlock in splicing to file nilfs2: support nanosecond timestamp nilfs2: introduce secondary super block nilfs2: simplify handling of active state of segments nilfs2: mark minor flag for checkpoint created by internal operation nilfs2: clean up sketch file nilfs2: super block operations fix endian bug ... Conflicts: arch/x86/include/asm/thread_info.h arch/x86/lguest/boot.c drivers/xen/manage.c
2009-03-29x86/paravirt: finish change from lazy cpu to context switch start/endJeremy Fitzhardinge
Impact: fix lazy context switch API Pass the previous and next tasks into the context switch start end calls, so that the called functions can properly access the task state (esp in end_context_switch, in which the next task is not yet completely current). Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
2009-03-19x86: with the last user gone, remove set_pte_presentJeremy Fitzhardinge
Impact: cleanup set_pte_present() is no longer used, directly or indirectly, so remove it. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Xen-devel <xen-devel@lists.xensource.com> Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Alok Kataria <akataria@vmware.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Avi Kivity <avi@redhat.com> LKML-Reference: <1237406613-2929-2-git-send-email-jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-24Merge branch 'tj-percpu' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into core/percpu Conflicts: arch/x86/include/asm/pgtable.h
2009-02-24x86: update populate_extra_pte() and add populate_extra_pmd()Tejun Heo
Impact: minor change to populate_extra_pte() and addition of pmd flavor Update populate_extra_pte() to return pointer to the pte_t for the specified address and add populate_extra_pmd() which only populates till the pmd and returns pointer to the pmd entry for the address. For 64bit, pud/pmd/pte fill functions are separated out from set_pte_vaddr[_pud]() and used for set_pte_vaddr[_pud]() and populate_extra_{pte|pmd}(). Signed-off-by: Tejun Heo <tj@kernel.org>
2009-02-20x86: convert to the new dynamic percpu allocatorTejun Heo
Impact: use new dynamic allocator, unified access to static/dynamic percpu memory Convert to the new dynamic percpu allocator. * implement populate_extra_pte() for both 32 and 64 * update setup_per_cpu_areas() to use pcpu_setup_static() * define __addr_to_pcpu_ptr() and __pcpu_ptr_to_addr() * define config HAVE_DYNAMIC_PER_CPU_AREA Signed-off-by: Tejun Heo <tj@kernel.org>
2009-02-13x86 headers: remove duplicate pud_large() definitionIngo Molnar
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-13Merge branch 'x86/untangle2' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen into x86/headers Conflicts: arch/x86/include/asm/page.h arch/x86/include/asm/pgtable.h arch/x86/mach-voyager/voyager_smp.c arch/x86/mm/fault.c
2009-02-13Merge branches 'x86/acpi', 'x86/asm', 'x86/cpudetect', 'x86/crashdump', ↵Ingo Molnar
'x86/debug', 'x86/defconfig', 'x86/doc', 'x86/header-fixes', 'x86/headers' and 'x86/minor-fixes' into x86/core
2009-02-11x86: move pte types into pgtable*.hJeremy Fitzhardinge
pgtable*.h is intended for definitions relating to actual pagetables and their entries, so move all the definitions for (pte|pmd|pud|pgd)(val)?_t to the appropriate pgtable*.h headers. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2009-02-11x86: define pud_flags and pud_large properly to allow non-PAE buildsJeremy Fitzhardinge
2009-02-11Split pgtable.h into pgtable_types.h and pgtable.hJeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
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
2009-02-10Merge branch 'x86/urgent' into core/percpuIngo Molnar
Conflicts: arch/x86/kernel/acpi/boot.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>
2009-02-06x86: 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: 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>
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