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* x86: don't compile vsmp_64 for 32bitYinghai Lu2009-02-26
| | | | | | | | | | | Impact: cleanup that is only needed when CONFIG_X86_VSMP is defined with 64bit also remove dead code about PCI, because CONFIG_X86_VSMP depends on PCI Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove update_apic from x86_quirksYinghai Lu2009-02-26
| | | | | | | | | | | | | Impact: cleanup x86_quirks->update_apic() calling looks crazy. so try to remove it: 1. every apic take wakeup_cpu member directly 2. separate es7000_apic to es7000_apic_cluster 3. use uv_wakeup_cpu directly Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: refactor x86_quirks supportIngo Molnar2009-02-22
| | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Make x86_quirks support more transparent. The highlevel methods are now named: extern void x86_quirk_pre_intr_init(void); extern void x86_quirk_intr_init(void); extern void x86_quirk_trap_init(void); extern void x86_quirk_pre_time_init(void); extern void x86_quirk_time_init(void); This makes it clear that if some platform extension has to do something here that it is considered ... weird, and is discouraged. Also remove arch_hooks.h and move it into setup.h (and other header files where appropriate). Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, apic: rename 'genapic' to 'apic'Ingo Molnar2009-02-17
| | | | | | | | | | | Impact: cleanup Now that all APIC code is consolidated there's nothing 'gen' about apics anymore - so rename 'struct genapic' to 'struct apic'. This shortens the code and is nicer to read as well. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Merge branch 'core/header-fixes' into x86/headersIngo Molnar2009-02-13
|\ | | | | | | | | Conflicts: arch/x86/include/asm/setup.h
| * headers_check fix: x86, setup.hJaswinder Singh Rajput2009-02-02
| | | | | | | | | | | | | | | | | | | | | | | | | | fix the following 'make headers_check' warning: usr/include/asm/setup.h:16: extern's make no sense in userspace usr/include/asm/setup.h:17: extern's make no sense in userspace usr/include/asm/setup.h:23: extern's make no sense in userspace usr/include/asm/setup.h:24: extern's make no sense in userspace usr/include/asm/setup.h:51: extern's make no sense in userspace usr/include/asm/setup.h:52: extern's make no sense in userspace Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
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*-. \ Merge branches 'x86/asm', 'x86/cleanups', 'x86/cpudetect', 'x86/debug', ↵Ingo Molnar2009-01-28
|\ \ \ | | |/ | |/| | | | 'x86/doc', 'x86/header-fixes', 'x86/mm', 'x86/paravirt', 'x86/pat', 'x86/setup-v2', 'x86/subarch', 'x86/uaccess' and 'x86/urgent' into x86/core
| | * x86: headers cleanup - setup.hCyrill Gorcunov2009-01-14
| |/ | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup 'make headers_check' warn us about leaking of kernel private (mostly compile time vars) data to userspace in headers. Fix it. Guard this one by __KERNEL__. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* / x86: misc clean up after the percpu updateTejun Heo2009-01-16
|/ | | | | | | | | | | | Do the following cleanups: * kill x86_64_init_pda() which now is equivalent to pda_init() * use per_cpu_offset() instead of cpu_pda() when initializing initial_gs Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: rename mpc_config_oemtable to mpc_oemtableJaswinder Singh Rajput2009-01-04
| | | | | | | | | | | | Impact: cleanup, solve 80 columns wrap problems mpc_config_oemtable should be renamed to mpc_oemtable. The reason: the 'c' in MPC already means 'config' - no need to repeat that in the type name. Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: rename mpc_config_processor to mpc_cpuJaswinder Singh Rajput2009-01-04
| | | | | | | | | | | | | | | Impact: cleanup, solve 80 columns wrap problems mpc_config_processor should be renamed to mpc_cpu. The reason: the 'c' in MPC already means 'config' - no need to repeat that in the type name. Plus 'processor' is a lot longer than 'cpu' - so we try to use 'cpu' in all type names, as much as possible. Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: rename mpc_config_bus to mpc_busJaswinder Singh Rajput2009-01-04
| | | | | | | | | | | Impact: cleanup, solve 80 columns wrap problems mpc_config_bus should be renamed to mpc_bus. The reason: the 'c' in MPC already means 'config' - no need to repeat that in the type name. Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
*-. Merge branches 'x86/apic', 'x86/cleanups', 'x86/cpufeature', ↵Ingo Molnar2008-12-23
|\ \ | | | | | | | | | 'x86/crashdump', 'x86/debug', 'x86/defconfig', 'x86/detect-hyper', 'x86/doc', 'x86/dumpstack', 'x86/early-printk', 'x86/fpu', 'x86/idle', 'x86/io', 'x86/memory-corruption-check', 'x86/microcode', 'x86/mm', 'x86/mtrr', 'x86/nmi-watchdog', 'x86/pat2', 'x86/pci-ioapic-boot-irq-quirks', 'x86/ptrace', 'x86/quirks', 'x86/reboot', 'x86/setup-memory', 'x86/signal', 'x86/sparse-fixes', 'x86/time', 'x86/uv' and 'x86/xen' into x86/core
| | * x86: fix wakeup_cpu with numaq/es7000, v2, fixYinghai Lu2008-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: fix wakeup_secondary_cpu with hotplug We can not put that into x86_quirks, because that is __initdata. So try to move that to genapic, and add update_genapic in x86_quirks. later we even could use that stub to: 1. autodetect CONFIG_ES7000_CLUSTERED_APIC 2. more correct inquire_remote_apic with apic_verbosity setting. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * x86: fix wakeup_cpu with numaq/es7000, v2Yinghai Lu2008-11-17
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: fix secondary-CPU wakeup/init path with numaq and es7000 While looking at wakeup_secondary_cpu for WAKE_SECONDARY_VIA_NMI: |#ifdef WAKE_SECONDARY_VIA_NMI |/* | * Poke the other CPU in the eye via NMI to wake it up. Remember that the normal | * INIT, INIT, STARTUP sequence will reset the chip hard for us, and this | * won't ... remember to clear down the APIC, etc later. | */ |static int __devinit |wakeup_secondary_cpu(int logical_apicid, unsigned long start_eip) |{ | unsigned long send_status, accept_status = 0; | int maxlvt; |... | if (APIC_INTEGRATED(apic_version[phys_apicid])) { | maxlvt = lapic_get_maxlvt(); I noticed that there is no warning about undefined phys_apicid... because WAKE_SECONDARY_VIA_NMI and WAKE_SECONDARY_VIA_INIT can not be defined at the same time. So NUMAQ is using wrong wakeup_secondary_cpu. WAKE_SECONDARY_VIA_NMI, WAKE_SECONDARY_VIA_INIT and WAKE_SECONDARY_VIA_MIP are variants of a weird and fragile preprocessor-driven "HAL" mechanisms to specify the kind of secondary-CPU wakeup strategy a given x86 kernel will use. The vast majority of systems want to use INIT for secondary wakeup - NUMAQ uses an NMI, (old-style-) ES7000 uses 'MIP' (a firmware driven in-memory flag to let secondaries continue). So convert these mechanisms to x86_quirks and add a ->wakeup_secondary_cpu() method to specify the rare exception to the sane default. Extend genapic accordingly as well, for 32-bit. While looking further, I noticed that functions in wakecup.h for numaq and es7000 are different to the default in mach_wakecpu.h - but smpboot.c will only use default mach_wakecpu.h with smphook.h. So we need to add mach_wakecpu.h for mach_generic, to properly support numaq and es7000, and vectorize the following SMP init methods: int trampoline_phys_low; int trampoline_phys_high; void (*wait_for_init_deassert)(atomic_t *deassert); void (*smp_callin_clear_local_apic)(void); void (*store_NMI_vector)(unsigned short *high, unsigned short *low); void (*restore_NMI_vector)(unsigned short *high, unsigned short *low); void (*inquire_remote_apic)(int apicid); Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86: corruption check: move the corruption checks into their own fileArjan van de Ven2008-10-27
|/ | | | | | | | | | | | Impact: cleanup The corruption check code is rather sizable and it's likely to grow over time when we add checks for more types of corruptions (there's a few candidates in kerneloops.org that I want to add checks for)... so lets move it to its own file Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: Fix ASM_X86__ header guardsH. Peter Anvin2008-10-23
| | | | | | | | | 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 Viro2008-10-23
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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