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2008-07-21Merge branches 'x86/urgent', 'x86/amd-iommu', 'x86/apic', 'x86/cleanups', ↵Ingo Molnar
'x86/core', 'x86/cpu', 'x86/fixmap', 'x86/gart', 'x86/kprobes', 'x86/memtest', 'x86/modules', 'x86/nmi', 'x86/pat', 'x86/reboot', 'x86/setup', 'x86/step', 'x86/unify-pci', 'x86/uv', 'x86/xen' and 'xen-64bit' into x86/for-linus
2008-07-20x86: add ->pre_time_init to x86_quirksYinghai Lu
so NUMAQ can use that to call numaq_pre_time_init() This allows us to remove a NUMAQ special from arch/x86/kernel/setup.c. (and paves the way to remove the NUMAQ subarch) Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-20x86: extend and use x86_quirks to clean up NUMAQ codeYinghai Lu
add these new x86_quirks methods: int *mpc_record; int (*mpc_apic_id)(struct mpc_config_processor *m); void (*mpc_oem_bus_info)(struct mpc_config_bus *m, char *name); void (*mpc_oem_pci_bus)(struct mpc_config_bus *m); void (*smp_read_mpc_oem)(struct mp_config_oemtable *oemtable, unsigned short oemsize); ... and move NUMAQ related mps table handling to numaq_32.c. also move the call to smp_read_mpc_oem() to smp_read_mpc() directly. Should not change functionality, albeit it would be nice to get it tested on real NUMAQ as well ... Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-20x86: introduce x86_quirksYinghai Lu
introduce x86_quirks array of boot-time quirk methods. No change in functionality intended. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-16x86_64: add workaround for no %gs-based percpuJeremy Fitzhardinge
As a stopgap until Mike Travis's x86-64 gs-based percpu patches are ready, provide workaround functions for x86_read/write_percpu for Xen's use. Specifically, this means that we can't really make use of vcpu placement, because we can't use a single gs-based memory access to get to vcpu fields. So disable all that for now. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Stephen Tweedie <sct@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-10x86, VisWS: turn into generic arch, install proper PCI quirkIngo Molnar
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-10x86: add early quirk supportIngo Molnar
Add early quirks support. In preparation of enabling the generic architecture to boot on a VISWS. This will allow us to remove the VISWS subarch and all its complications. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86, 64-bit: split x86_64_start_kernelJeremy Fitzhardinge
Split x86_64_start_kernel() into two pieces: The first essentially cleans up after head_64.S. It clears the bss, zaps low identity mappings, sets up some early exception handlers. The second part preserves the boot data, reserves the kernel's text/data/bss, pagetables and ramdisk, and then starts the kernel proper. This split is so that Xen can call the second part to do the set up it needs done. It doesn't need any of the first part setups, because it doesn't boot via head_64.S, and its redundant or actively damaging. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: xen-devel <xen-devel@lists.xensource.com> Cc: Stephen Tweedie <sct@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86, 64-bit: add prototype for x86_64_start_kernel()Jeremy Fitzhardinge
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: xen-devel <xen-devel@lists.xensource.com> Cc: Stephen Tweedie <sct@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: change some functions in setup.c to staticYinghai Lu
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: introduce init_memory_mapping for 32bit #2Yinghai Lu
moving relocate_initrd early Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: move some func calling from setup_arch to paging_initYinghai Lu
those function depend on paging setup pgtable, so they could access the ram in bootmem region but just get mapped. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: clean up using max_low_pfn on 32-bitYinghai Lu
so that max_low_pfn is not changed after it is set. so we can move that early and out of initmem_init. could call find_low_pfn_range just after max_pfn is set. also could move reserve_initrd out of setup_bootmem_allocator so 32bit is more like 64bit. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: introduce reserve_initrdYinghai Lu
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: move reserve_standard_io_resource to setup.cYinghai Lu
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: seperate probe_roms into another fileYinghai Lu
it is only needed for 32bit Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: unify crashkernel reservation for 32 and 64 bitBernhard Walle
This patch moves the reserve_crashkernel() to setup.c and removes the architecture-specific version. Both versions were more or less the same. I tested it on both x86-64 and i386, with CONFIG_KEXEC on and off (so that it compiles). Signed-off-by: Bernhard Walle <bwalle@suse.de> Cc: yhlu.kernel@gmail.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: cleanup machine_specific_memory_setup, v2Yinghai Lu
1. let 64bit support 88 and e801 too 2. introduce default_machine_specific_memory_setup, and reuse it for voyager v2: fix 64 bit compiling Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-08x86: merge setup_memory_map with e820Yinghai Lu
... and kill e820_32/64.c and e820_32/64.h Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-06-02x86: remove duplicated e820 func in setup.hYinghai Lu
we already have them in e820.h Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-31x86: extend e820 early_res support 32bit -fix #3Yinghai Lu
introduce init_pg_table_start, so xen PV could specify the value. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-25x86 boot: proper use of ARRAY_SIZE instead of repeated E820MAX constantPaul Jackson
This patch is motivated by a subsequent patch which will allow for more memory map entries on EFI supported systems than can be passed via the x86 legacy BIOS E820 interface. The legacy interface is limited to E820MAX == 128 memory entries, and that "E820MAX" manifest constant was used as the size for several arrays and loops over those arrays. The primary change in this patch is to change code loop sizes over those arrays from using the constant E820MAX, to using the ARRAY_SIZE() macro evaluated for the array being looped. That way, a subsequent patch can change the size of some of these arrays, without breaking this code. This patch also adds a parameter to the sanitize_e820_map() routine, which had an implicit size for the array passed it of E820MAX entries. This new parameter explicitly passes the size of said array. Once again, this will allow a subsequent patch to change that array size for some calls to sanitize_e820_map() without breaking the code. As part of enhancing the sanitize_e820_map() interface this way, I further combined the unnecessarily distinct x86_32 and x86_64 declarations for this routine into a single, commonly used, declaration. This patch in itself should make no difference to the resulting kernel binary. [ mingo@elte.hu: merged to -tip ] Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-17include/asm-x86/setup.h: checkpatch cleanups - formatting onlyJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-17x86: call vsmp_init explicitlyGlauber Costa
It becomes to early for ioremap, so we use early_ioremap Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ravikiran Thirumalai <kiran@scalemp.com> Acked-by: Shai Fultheim <shai@scalemp.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: prepare 64-bit architecture initialization for paravirtGlauber de Oliveira Costa
This patch prepares the x86_64 architecture initialization for paravirt. It requires a memory initialization step, which is done by implementing 64-bit version for machine_specific_memory_setup, and putting an ARCH_SETUP hook, for guest-dependent initialization. This last step is done akin to i386 Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-23x86: clean up setup.h and the boot codeH. Peter Anvin
Make <asm/setup.h> usable by the boot code. Clean up vestiges of the old command-line protocol from setup.h and head_32.S (it is still supported from the boot loader point of view, since it is converted to the new command-line protocol by the boot code.) Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-23x86: merge setup_32/64.hThomas Gleixner
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-11i386/x86_64: move headers to include/asm-x86Thomas Gleixner
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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