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2008-01-30x86: bitops_32.h style cleanupsRandy Dunlap
Coding style cleanups in x86/bitops_32.h: - drop space in "* addr" - whitespace & indentation fixes - spello fixes Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: remove extern declarations for code, data, bss resourcesBernhard Walle
This patch removes the extern struct resource declarations for data_resource, code_resource and bss_resource on x86 and declares that three structures as static as done on other architectures like IA64. On i386, these structures are moved to setup_32.c (from e820_32.c) because that's code that is not specific to e820 and also required on EFI systems. That makes the "extern" reference superfluous. On x86_64, data_resource, code_resource and bss_resource are passed to e820_reserve_resources() as arguments just as done on i386 and IA64. That also avoids the "extern" reference and it's possible to make it static. Signed-off-by: Bernhard Walle <bwalle@suse.de> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: mtrr use type bool [RESEND AGAIN]Paul Jimenez
This is a janitorish patch to 1) remove private TRUE/FALSE #def's in favor of using the standard enum from linux/stddef.h and 2) switch the variables holding those values to type 'bool' (from linux/types.h) since it both seems more appropriate and allows for potentially better optimization. As a truly minor aside, I removed a couple of comments documenting a 'do_safe' parameter that seems to no longer exist. Signed-off-by: Paul Jimenez <pj@place.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: pci-dma_64.c: cleanupsAdrian Bunk
This patch contains the following cleanups: - make the needlessly global iommu_setup() static - remove the unused EXPORT_SYMBOL(iommu_merge) Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: nmi_64.c: make code staticAdrian Bunk
This patch makes the following needlessly global code static: - panic_on_timeout - setup_nmi_watchdog() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86 e820_64.c: make 2 functions staticAdrian Bunk
This patch makes the following needlessly global functions static: - e820_print_map() - early_panic() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: actually merge <asm/alternative.h>H. Peter Anvin
This actually merges <asm-x86/alternative_{32,64}.h> into <asm-x86/alternative.h>. Signed-off-by: H. Peter Anvin <hpa@zytor.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>
2008-01-30x86: prepare merger of <asm/alternative_{32,64}.h>H. Peter Anvin
Prepare for merging <asm/alternative_{32,64}.h> by making the 32- and 64-bit versions textually identical. This involves: - removing arbitrary header inclusion differences - reorganizing the 32-bit version slightly to match the 64-bit version - using <asm/asm.h> to unify the assembly code - renaming struct paravirt_patch to struct paravirt_patch_site in the 64-bit version to match the 32-bit version; there are no references to struct paravirt_patch elsewhere in the tree. Signed-off-by: H. Peter Anvin <hpa@zytor.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>
2008-01-30x86: move 8259 defines to i8259.hThomas Gleixner
Move the i8259 defines and remove the now io_ports.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: remove more bogus filenames in comments.Dave Jones
Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: nuke a ton of unused exportsThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: remove dead code and exportsThomas Gleixner
No users. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: nuke a ton of dead hpet codeThomas Gleixner
No users, just ballast Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: isolate the rtc code for sharingThomas Gleixner
The mach-default/mach_time.h code inline is moved to arch/x86/kernel/rtc.c and the header files are adjusted. Shrink the 3 dozen includes to the ones we really need. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: unify mc146818rtc.h - prepare for sharing rtc codeThomas Gleixner
Unify mc146818rtc.h by adding the rtc_cmos_read/write functions to time_64.c. This is a preparatory patch to finaly share the rtc code, which is unsurprisingly similar. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: merge include/asm-x86/scatterlist.hThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: merge include/asm-x86/dma.hThomas Gleixner
Almost identical. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: merge futex_32/64.hThomas Gleixner
Finally merge them together. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: prepare merging futex_32/64.hThomas Gleixner
Replace .quad/.long with a define and use the same asm syntax for i386 and x86. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: make smp_local_timer_interrupt() staticThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move ioapic code where it belongsThomas Gleixner
The commit 399287229c775a8962a852a761d65dc9475dec7c hacked the ioapic resource mapping into apic.c for no good reason. Move the code into io_apic_64.c where it belongs. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: remove obsolte declarations from proto.hThomas Gleixner
Nuke duplicate and obsolete crap from this ugly dump bin. There are still some entries left which need to be sorted out, but I'm tired of that puzzle game right now. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: remove duplicate start_kernel declarationThomas Gleixner
start_kernel is already declared in a generic header file. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: remove obsolete nohpet declarationThomas Gleixner
Lonely user is hpet.c, so no need to declare it elsewhere. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move pmtmr related declarationsThomas Gleixner
Move more stuff out of proto.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move tsc related declarationsThomas Gleixner
tsc has also it's own header file. Nuke the stupid 64 bit ifdef while at it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move pda related declarationThomas Gleixner
pda has its own header file as well. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move page related declarationThomas Gleixner
end_pfn is in page.h, so end_pfn_map has a place there as well Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move numa related declarationsThomas Gleixner
More stuff shuffeled to the correct place Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move mce related declarationsThomas Gleixner
Move the mce related declarations where they belong, fix the users and remove 32bit dependency in mce.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move debug related declarations to kdebug.hThomas Gleixner
Move them and fixup some users. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move k8 related declarationsThomas Gleixner
Move k8 related declarations to k8.h and fix numa_64.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move idle related declarationsThomas Gleixner
Move idle related declarations to processor_64.h, where the the others are as well. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: make early_indentify_cpu staticThomas Gleixner
early_indentify_cpu is only used in setup_64.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: move acpi and pci declarationsThomas Gleixner
Move acpi/pci related declarations to the correct headers and remove the duplicate. Build fix from: Andrew Morton Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: remove duplicated declarationsThomas Gleixner
Remove declarations which are made already in the appropriate header file. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: merge apic_32/64.hThomas Gleixner
Unify apic.h variants. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: use u32 for some lapic functionsThomas Gleixner
Use u32 so 32 and 64bit have the same interface. Andrew Morton: xen, lguest build fixes Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: use u32 for safe_apic_wait_icr_idle()Thomas Gleixner
Preperatory patch for merging apic headers. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: rename get_maxlvt to lapic_get_maxlvtThomas Gleixner
Use the same name for the 32 and 64 bit variant. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: prepare unification of include/asm-x86/apic_32/64.hThomas Gleixner
White space and coding style clenaup. Move the K8 local apic defines to apicdef.h, where they belong Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: unify include/asm-x86/apicdef_32/64.hThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: introduce ldt_write accessorThomas Gleixner
Create a ldt write accessor like the 32 bit one. Preparatory patch for merging ldt.c and anyway necessary for 64bit paravirt ops. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: clean up include/asm-x86/desc_64.hThomas Gleixner
White space and coding style clenaup. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: clean up arch/x86/ia32/sys_ia32.cThomas Gleixner
White space and coding style clenaup. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-01-30x86: unify asm/cpufeature.hH. Peter Anvin
asm/cpufeature.h was already almost unified; this completes the job. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: add <asm/asm.h>H. Peter Anvin
Create <asm/asm.h>, with common definitions suitable for assembly unification. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: scale cyc_2_nsec according to CPU frequencyGuillaume Chazarain
scale the sched_clock() cyc_2_nsec scaling factor according to CPU frequency changes. [ mingo@elte.hu: simplified it and fixed it for SMP. ] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30x86: various changes and cleanups to in_p/out_p delay detailsIngo Molnar
various changes to the in_p/out_p delay details: - add the io_delay=none method - make each method selectable from the kernel config - simplify the delay code a bit by getting rid of an indirect function call - add the /proc/sys/kernel/io_delay_type sysctl - change 'io_delay=standard|alternate' to io_delay=0x80 and io_delay=0xed - make the io delay config not depend on CONFIG_DEBUG_KERNEL Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: "David P. Reed" <dpreed@reed.com>
2008-01-30x86: provide a DMI based port 0x80 I/O delay override.Rene Herman
x86: provide a DMI based port 0x80 I/O delay override. Certain (HP) laptops experience trouble from our port 0x80 I/O delay writes. This patch provides for a DMI based switch to the "alternate diagnostic port" 0xed (as used by some BIOSes as well) for these. David P. Reed confirmed that port 0xed works for him and provides a proper delay. The symptoms of _not_ working are a hanging machine, with "hwclock" use being a direct trigger. Earlier versions of this attempted to simply use udelay(2), with the 2 being a value tested to be a nicely conservative upper-bound with help from many on the linux-kernel mailinglist but that approach has two problems. First, pre-loops_per_jiffy calibration (which is post PIT init while some implementations of the PIT are actually one of the historically problematic devices that need the delay) udelay() isn't particularly well-defined. We could initialise loops_per_jiffy conservatively (and based on CPU family so as to not unduly delay old machines) which would sort of work, but... Second, delaying isn't the only effect that a write to port 0x80 has. It's also a PCI posting barrier which some devices may be explicitly or implicitly relying on. Alan Cox did a survey and found evidence that additionally some drivers may be racy on SMP without the bus locking outb. Switching to an inb() makes the timing too unpredictable and as such, this DMI based switch should be the safest approach for now. Any more invasive changes should get more rigid testing first. It's moreover only very few machines with the problem and a DMI based hack seems to fit that situation. This also introduces a command-line parameter "io_delay" to override the DMI based choice again: io_delay=<standard|alternate> where "standard" means using the standard port 0x80 and "alternate" port 0xed. This retains the udelay method as a config (CONFIG_UDELAY_IO_DELAY) and command-line ("io_delay=udelay") choice for testing purposes as well. This does not change the io_delay() in the boot code which is using the same port 0x80 I/O delay but those do not appear to be a problem as David P. Reed reported the problem was already gone after using the udelay version. He moreover reported that booting with "acpi=off" also fixed things and seeing as how ACPI isn't touched until after this DMI based I/O port switch I believe it's safe to leave the ones in the boot code be. The DMI strings from David's HP Pavilion dv9000z are in there already and we need to get/verify the DMI info from other machines with the problem, notably the HP Pavilion dv6000z. This patch is partly based on earlier patches from Pavel Machek and David P. Reed. Signed-off-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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