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2007-07-22ACPI: Use ACPI methods to select PCI device suspend stateShaohua Li
applied after Rafel's 'PM: Update global suspend and hibernation operations framework' patch set Signed-off-by: Shaohua Li<shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-07-22ACPI, PNP: hook ACPI D-state to PNP suspend/resumeShaohua Li
applied after Rafel's 'PM: Update global suspend and hibernation operations framework' patch set Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-07-22ACPI: Add acpi_pm_device_sleep_state helper routineShaohua Li
Based on the David Brownell's patch at http://marc.info/?l=linux-acpi&m=117873972806360&w=2 updated by: Rafael J. Wysocki <rjw@sisk.pl> Add a helper routine returning the lowest power (highest number) ACPI device power state that given device can be in while the system is in the sleep state indicated by acpi_target_sleep_state . Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Len Brown <len.brown@intel.com>
2007-07-22ACPI: Implement the set_target() callback from pm_opsRafael J. Wysocki
In the future some drivers may need to use ACPI to determine the low power states in which to place their devices, but to provide the drivers with this information the ACPI core needs to know what sleep state the system is going to enter. Namely, the device's state should not be too high power for given system sleep state and, if the device is supposed to be able to wake up the system, its state should not be too low power for the wake up to be possible). For this purpose, the ACPI core needs to implement the set_target() method in 'struct pm_ops' and store the target system sleep state passed by the PM core in a variable. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: David Brownell <david-b@pacbell.net> Signed-off-by: Len Brown <len.brown@intel.com>
2007-07-21Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NET]: Add missing entries to family name tables [NET]: Make NETDEVICES depend on NET. [IPV6]: endianness bug in ip6_tunnel [IrDA]: TOSHIBA_FIR depends on virt_to_bus [IrDA]: EP7211 IR driver port to the latest SIR API [IrDA] Typo fix in irnetlink.c copyright [NET]: Fix loopback crashes when multiqueue is enabled. [IPV4]: Fix inetpeer gcc-4.2 warnings
2007-07-21Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: ERROR: "sys_ioctl" [arch/sparc64/solaris/solaris.ko] undefined! [SPARC32]: Make PAGE_SHARED a read-mostly variable. [SPARC32]: Take enable_irq/disable_irq out of line. [SPARC32]: clean include/asm-sparc/irq.h [SPARC32]: Fix rounding errors in ndelay/udelay implementation.
2007-07-21[NET]: Add missing entries to family name tablesDavid Howells
Add missing entries to af_family_clock_key_strings[]. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21[SPARC64]: ERROR: "sys_ioctl" [arch/sparc64/solaris/solaris.ko] undefined!Christoph Hellwig
From: Christoph Hellwig <hch@infradead.org> On Fri, Jul 20, 2007 at 09:24:42AM -0400, Horst H. von Brand wrote: > When building v2.6.22-3478-g275afca on sparc64 (.config attached) I get: > > MODPOST vmlinux > Building modules, stage 2. > MODPOST 463 modules > ERROR: "sys_ioctl" [arch/sparc64/solaris/solaris.ko] undefined! Sorry, my fault. It looked to me like sparc64 exports sys_ioctl on it's own, but it only exports compat_sys_ioctl on it's own. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21[SPARC32]: Make PAGE_SHARED a read-mostly variable.Al Viro
same scheme as for sparc64, same rationale Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21[SPARC32]: Take enable_irq/disable_irq out of line.Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21[SPARC32]: clean include/asm-sparc/irq.hAl Viro
Move stuff used only by arch/sparc/kernel/* into arch/sparc/kernel/irq.h and into individual files in there (e.g. macros internal to sun4m_irq.c, etc.) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21[SPARC32]: Fix rounding errors in ndelay/udelay implementation.Mark Fortescue
__ndelay and __udelay have not been delayung >= specified time. The problem with __ndelay has been tacked down to the rounding of the multiplier constant. By changing this, delays > app 18us are correctly calculated. The problem with __udelay has also been tracked down to rounding issues. Changing the multiplier constant (to match that used in sparc64) corrects for large delays and adding in a rounding constant corrects for trunctaion errors in the claculations. Many short delays will return without looping. This is not an error as there is the fixed delay of doing all the maths to calculate the loop count. Signed-off-by: Mark Fortescue <mark@mtfhpc.demon.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21[NET]: Make NETDEVICES depend on NET.Jan Engelhardt
Enabling drivers from "Devices > Networking" (in menuconfig), for example SLIP and/or PLIP, throws link time errors when CONFIG_NET itself is =n. Have CONFIG_NETDEVICES depend on CONFIG_NET. Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21[IPV6]: endianness bug in ip6_tunnelAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21[IrDA]: TOSHIBA_FIR depends on virt_to_busStephen Rothwell
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21[IrDA]: EP7211 IR driver port to the latest SIR APISamuel Ortiz
The EP7211 SIR driver was the only one left without a new SIR API port. Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21[IrDA] Typo fix in irnetlink.c copyrightSamuel Ortiz
Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-21x86-64: introduce struct pci_sysdata to facilitate sharing of ->sysdataMuli Ben-Yehuda
This patch introduces struct pci_sysdata to x86 and x86-64, and converts the existing two users (NUMA, Calgary) to use it. This lays the groundwork for having other users of sysdata, such as the PCI domains work. The Calgary bits are tested, the NUMA bits just look ok. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: make k8topology multi-core awareJoachim Deguara
This makes k8topology multicore aware instead of limited to signle- and dual-core CPUs. It uses the CPUID to be more future proof. Signed-off-by: Joachim Deguara <joachim.deguara@amd.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: remove __smp_alt* sectionsJan Beulich
Leftovers from the removal of the more general (but abandoned) SMP alternatives. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: Update alignment when 4K stacks are used.Robert P. J. Day
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: remove old IRQ balancing debug cruftStefan Richter
Dead or misnamed CONFIG_BALANCED_IRQ_DEBUG found by Robert P. J. Day. It's not a Kconfig variable. Since this debug code is ancient, I suggest to get rid of this misleading CONFIG_ macro by deleting all of this debug code. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "Robert P. J. Day" <rpjday@mindspring.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: insert HPET firmware resource after PCI enumeration has completedAaron Durbin
Insert HPET resources after pci probing has been completed in order to avoid resource conflicts with PCI resource reservation. With this change the HPET firmware resources will be identified, but it should also not cause issues when the HPET address falls on a BAR in a PCI device, and the PCI enumeration cannot reserve the resources. Signed-off-by: Aaron Durbin <adurbin@google.com> Cc: john stultz <johnstul@us.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: basic infrastructure support for AMD geode-class machinesAndres Salomon
This builds upon the existing geode infrastructure, but adds southbridge support, some GPIO functions, and a header file (asm-i386/geode.h) with some useful GX/LX detection tests. The majority of this code was written by Jordan Crouse. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Andres Salomon <dilinger@debian.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: arch/x86_64/kernel/e820.c lower printk severityDan Aloni
Signed-off-by: Dan Aloni <da-x@monatomic.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: arch/x86_64/kernel/aperture.c lower printk severityDan Aloni
Users that use kernel log filtering (e.g. via syslogd or a proprietry method) wouldn't like to see warning prints that are not really warnings. Signed-off-by: Dan Aloni <da-x@monatomic.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: fix iounmap's use of vm_struct's size fieldJeremy Fitzhardinge
get_vm_area always returns an area with an adjacent guard page. That guard page is included in vm_struct.size. iounmap uses vm_struct.size to determine how much address space needs to have change_page_attr applied to it, which will BUG if applied to the guard page. This patch adds a helper function - get_vm_area_size() in linux/vmalloc.h - to return the actual size of a vm area, and uses it to make iounmap do the right thing. There are probably other places which should be using get_vm_area_size(). Thanks to Dave Young <hidave.darkstar@gmail.com> for debugging the problem. [ Andi, it wasn't clear to me whether x86_64 needs the same fix. ] Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Cc: Dave Young <hidave.darkstar@gmail.com> Cc: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: move PIT function declarations and constants to correct header fileThomas Gleixner
setup_pit_timer is declared in asm-i386/timer.h. Move it to the pit header file, so it can be used by x86_64 as well. Move also the PIT constants. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: hpet assumes boot cpu is 0Chris Wright
I fixed this in x86_64. Looks like the kind of thing that will break voyager on i386. Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: remove volatile in apic.cThomas Gleixner
Remove the volatile in apic. We have a cpu_relax() in the wait loop. Fix a coding style issue while at it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: move iommu declaration from proto to iommu.hYinghai Lu
[akpm@linux-foundation.org: build fix] Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Muli Ben-Yehuda <muli@il.ibm.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: disable srat when numa emulation succeedsDavid Rientjes
When NUMA emulation succeeds, acpi_numa needs to be set to -1 so that srat_disabled() will always return true. We won't be calling acpi_scan_nodes() or registering the true nodes we've found. [hugh@veritas.com: Fix x86_64 CONFIG_NUMA_EMU build: acpi_numa needs CONFIG_ACPI_NUMA] Signed-off-by: David Rientjes <rientjes@google.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: fix e820_hole_size based on address rangesDavid Rientjes
e820_hole_size() now uses the newly extracted helper function, e820_find_active_region(), to determine the size of usable RAM in a range of PFN's. This was previously broken because of two reasons: - The start and end PFN's of each e820 entry were not properly rounded prior to excluding those entries in the range, and - Entries smaller than a page were not properly excluded from being accumulated. This resulted in emulated nodes being incorrectly mapped to ranges that were completely reserved and not candidates for being registered as active ranges. Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: disable the GART in shutdownYinghai Lu
For K8 system: 4G RAM with memory hole remapping enabled, or more than 4G RAM installed. when using kexec to load second kernel. In the second kernel, when mem is allocated for GART, it will do the memset for clear, it will cause restart, because some device still used that for dma. solution will be: in second kernel: disable that at first before we try to allocate mem for it. or in the first kernel: do disable that before shutdown. Andi/Eric/Alan prefer to second one for clean shutdown in first kernel. Andi also point out need to consider to AGP enable but mem less 4G case too. Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Muli Ben-Yehuda <muli@il.ibm.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: replace hard-coded constant with appropriate macro from kernel.hRobert P. J. Day
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: add cpu_relax() to cmos_lock()Andreas Mohr
Add cpu_relax() to cmos_lock() inline function for faster operation on SMT CPUs and less power consumption on others in case of lock contention (which probably doesn't happen too often, so admittedly this patch is not too exciting). [akpm@linux-foundation.org: Include the header file for cpu_relax()] Signed-off-by: Andreas Mohr <andi@lisas.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: flush_tlb_kernel_range() warning fixAndrew Morton
mm/vmalloc.c: In function 'unmap_kernel_range': mm/vmalloc.c:75: warning: unused variable 'start' make it a C function so that the compiler thinks it used its arguments. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: change _map_single to static in pci_gart.c etcYinghai Lu
This function is called via dma_ops->.., so change it to static Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: Geode HW Random Number Generator depends on X86_32Yinghai Lu
Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: fix wrong comment regarding set_fixmap()Jiri Kosina
The function name is set_fixmap(), not fixmap_set() as stated in the comment. Also fix a typo, punctuation and lower/uppercase a bit. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: lower printk severityDan Aloni
Signed-off-by: Dan Aloni <da-x@monatomic.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: fix typo in acpi_pm.cAlessio Igor Bogani
Signed-off-by: Alessio Igor Bogani <abogani@texware.it> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: use the global PIT lockThomas Gleixner
Replace the pcspkr private PIT lock by the global PIT lock to serialize the PIT access all over the place. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: During VM oom condition, kill all threads in process groupWill Schmidt
During a VM oom condition, kill all threads in the process group. We have had complaints where a threaded application is left in a bad state after one of it's threads is killed when we hit a VM: out_of_memory condition. Killing just one of the process threads can leave the application in a bad state, whereas killing the entire process group would allow for the application to restart, or otherwise handled, and makes it very obvious that something has gone wrong. This change allows the entire process group to be taken down, rather than just the one thread. Signed-off-by: Will <will_schmidt@vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21x86_64: Move functions declarations to header fileGlauber de Oliveira Costa
Some interrupt entry points are currently defined in i8259.c They probably belong in a header. Right now, their only user is init_IRQ, justifying their declaration in-file. But when virtualization comes in, we may be interested in using that functions in late initializations. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: move the kernel to 16MB for NUMA-QAndy Whitcroft
We are seeing corruption of the decompressed kernel. It is suspected that this is platform specific as it has yet to be seen on any other x86. Move the kernel to the 16MB boundary. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: Remove unneeded test of 'task' in dump_trace()Jesper Juhl
Remove unneeded test of task != NULL from arch/i386/kernel/traps.c::dump_trace() At the start of the function we have this test: if (!task) task = current; so further down there's no need to test 'task'. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: divorce CONFIG_X86_PAE from CONFIG_HIGHMEM64GWilliam Lee Irwin III
PAE is useful for more than supporting more than 4GB RAM. It supports expanded swapspace and NX executable protections. Some users may want NX or expanded swapspace support without the overhead or instability of highmem. For these reasons, the following patch divorces CONFIG_X86_PAE from CONFIG_HIGHMEM64G. Cc: Mark Lord <lkml@rtr.ca> Signed-off-by: William Irwin <wli@holomorphy.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: HPET, check if the counter worksThomas Gleixner
Some systems have a HPET which is not incrementing, which leads to a complete hang. Detect it during HPET setup. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: john stultz <johnstul@us.ibm.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-21i386: DMI_MATCH patch in reboot.c for SFF Dell OptiPlex 745 - fixes hang on ↵James Jarvis
reboot The following patch enables reboot through BIOS on the Dell Optiplex 745 Small Form Factor base, on which reboot hangs. The larger form factor does not require this, hence the match on DMI_BOARD_NAME. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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