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* [PATCH] x86-64: Add command line option to set machine check tolerance levelAndi Kleen2005-09-12
| | | | | Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Make lockless machine check record passing a bit more robust.Andi Kleen2005-09-12
| | | | | | | | | | | | | One machine is constantly throwing NMI watchdog timeouts in mce_log This was one attempt to fix it. (AK: this doesn't actually fix the bug I'm seeing unfortunately, probably drop. I don't like it that the reader can spin forever now waiting for a writer) Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Remove redundant swiotlb=force handlingAndi Kleen2005-09-12
| | | | | | | It's already handled in the main swiotlb code. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Don't allocate aperture when swiotlb is enabled and no AGP foundAndi Kleen2005-09-12
| | | | | | | No-one needs it then Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Reverse order of bootmem listsAndi Kleen2005-09-12
| | | | | | | | | | | | This leads to bootmem allocating first from node 0 instead of from the last node. This avoids swiotlb allocating on the last node, which doesn't really work on a machine with >4GB. Note: there is a better patch around from someone else that gets rid of the pgdat list completely. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Avoid unnecessary double bouncing for swiotlbAndi Kleen2005-09-12
| | | | | | | | | PCI_DMA_BUS_IS_PHYS has to be zero even when the GART IOMMU is disabled and the swiotlb is used. Otherwise the block layer does unnecessary double bouncing. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Don't assume APIC for boot processor has an APIC ID of zeroAndi Kleen2005-09-12
| | | | | | | | | | | | | | Originally from Stuart Hayes. When setting up the APIC for the Uniprocessor kernel don't assume the CPU has an APIC ID of zero. This fixes boot with the UP kernel on Dell PowerEdge 6800/6850 4way systems. Cc: Stuart.Hayes@dell.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Use SRAT data on Intel systems too.Andi Kleen2005-09-12
| | | | | Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Support dualcore and 8 socket systems in k8 fallback node ↵Andi Kleen2005-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | parsing In particular on systems where the local APIC space and node space is very different from the Linux CPU number space. Previously the older NUMA setup code directly parsing the K8 northbridge registers had some issues on 8 socket or dual core systems. This patch fixes them. This is mainly done by fixing some confusion between Linux CPU numbers and local APIC ids. We now pass the local APIC IDs to later code, which avoids mismatches. Also add some heuristics to detect cases where the Hypertransport nodeids and the local APIC IDs don't match, but are shifted by a constant offset. This is still all quite hackish, hopefully BIOS writers fill in correct SRATs instead. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Don't cache align PDA on UP buildsAndi Kleen2005-09-12
| | | | | | | Suggested by someone I forgot who sorry. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Fix the apic version that gets printed during bootAndi Kleen2005-09-12
| | | | | | Signed-off-by: Suresh Sidda <suresh.b.siddha@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Don't assign CPU numbers in SRAT parsingAndi Kleen2005-09-12
| | | | | | | | | Do that later when the CPU boots. SRAT just stores the APIC<->Node mapping node. This fixes problems on systems where the order of SRAT entries does not match the MADT. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: White space and comment fixes for smp_call_function_singleAndi Kleen2005-09-12
| | | | | | | No functional changes Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Enable interrupts during delay calibration on APsAndi Kleen2005-09-12
| | | | | | | | | We used to disable them to work around a bug, but that is not needed anymore. Keeping them enabled avoids the NMI watchdog triggering in some cases. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Use largest APIC number, not number of CPUs to decide on ↵Andi Kleen2005-09-12
| | | | | | | | | physflat mode Handles case where BIOS gives CPUs very large APIC numbers correctly. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Remove code for outdated APICsAndi Kleen2005-09-12
| | | | | | | No x86-64 chipset has these APICs. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Remove esr disable hack in APIC codeAndi Kleen2005-09-12
| | | | | | | | This was just needed for the Numasaurus, which fortunately doesn't support x86-64 CPUs. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Remove obsolete APIC "write around" bug workaroundAndi Kleen2005-09-12
| | | | | | | | | No x86-64 chipset has this bug Generated code doesn't change because it was always disabled. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Remove apic_write_around from smpboot.cAndi Kleen2005-09-12
| | | | | | | We don't do workarounds for ancient hardware bugs. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86-64: Update defconfigAndi Kleen2005-09-12
| | | | | | | Allow diskless booting. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86{-64}: Remove old hack that disabled mmconfig support on AMD systems.Andi Kleen2005-09-12
| | | | | | | | | | Now that Greg implemented MCFG/_SEG support this shouldn't be needed anymore Cc: gregkh@suse.de Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cpuset semaphore depth check optimizePaul Jackson2005-09-12
| | | | | | | | | | | | | | | | Optimize the deadlock avoidance check on the global cpuset semaphore cpuset_sem. Instead of adding a depth counter to the task struct of each task, rather just two words are enough, one to store the depth and the other the current cpuset_sem holder. Thanks to Nikita Danilov for the idea. Signed-off-by: Paul Jackson <pj@sgi.com> [ We may want to change this further, but at least it's now a totally internal decision to the cpusets code ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] crc16: remove w1 specific comments.Evgeniy Polyakov2005-09-12
| | | | | | | | | | Remove w1 comments from crc16.h and move specific constants into w1_ds2433.c where they are used. Replace %d with %zd. Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/ppc64-2.6 Linus Torvalds2005-09-12
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| * [PATCH] ppc64: Remove unused codeAnton Blanchard2005-09-12
| | | | | | | | | | | | | | ppc64_attention_msg and ppc64_dump_msg are not used so remove them. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: Fix for missing start-cpu rtas tokenAnton Blanchard2005-09-12
| | | | | | | | | | | | | | | | | | If the rtas start-cpu token doesnt exist then presume the cpu is already spinning. If it isnt we will catch it later on when the cpu doesnt respond. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: indent pci codeAnton Blanchard2005-09-12
| | | | | | | | | | | | | | Fix up some badly indented code. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: xics cleanupAnton Blanchard2005-09-12
| | | | | | | | | | | | | | | | | | | | | | A few xics cleanups: - Make some things static. - Be more consistent with error printing - interrupts are unsigned, error values are signed. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: Add ptrace data breakpoint supportAnton Blanchard2005-09-12
| | | | | | | | | | | | | | Add hardware data breakpoint support. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: Add definitions for new PTRACE callsAnton Blanchard2005-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Add PTRACE_GET_DEBUGREG/PTRACE_SET_DEBUGREG. The definition is as follows: /* * Get or set a debug register. The first 16 are DABR registers and the * second 16 are IABR registers. */ #define PTRACE_GET_DEBUGREG 25 #define PTRACE_SET_DEBUGREG 26 DABR == data breakpoint and IABR = instruction breakpoint in IBM speak. We could split out the IABR into 2 more ptrace calls but I figured there was no need and 16 DABR registers should be more than enough (POWER4/POWER5 have one). - Add 2 new SIGTRAP si_codes: TRAP_HWBKPT and TRAP_BRANCH. I couldnt find any standards on either of these so I copied what ia64 is doing. Again this might be better placed in include/asm-generic/siginfo.h Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: Fix up some whitespace issues in ptrace32.cAnton Blanchard2005-09-12
| | | | | | | | | | | | | | Fix up some whitespace issues in ptrace32.c Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: ptrace cleanupsAnton Blanchard2005-09-12
| | | | | | | | | | | | | | | | | | | | | | - Remove the PPC_REG* defines - Wrap some more stuff with ifdef __KERNEL__ - Add missing PT_TRAP, PT_DAR, PT_DSISR defines - Add PTRACE_GETEVRREGS/PTRACE_SETEVRREGS, even though we dont use it on ppc64 we dont want to allocate them for something else. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: Add PTRACE_{GET|SET}VRREGSRobert Jennings2005-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ptrace get and set methods for VMX/Altivec registers present in the ppc tree were missing for ppc64. This patch adds the 32-bit and 64-bit methods. Updated with the suggestions from Anton following the lines of his code snippet. Added: - flush_altivec_to_thread calls as suggested by Anton - piecewise copy of structure to preserve 32-bit vrsave data as per Anton (I consolidated the 32 and 64bit versions with 2 helper macros - Anton) Signed-off-by: Robert C Jennings <rcjenn@austin.ibm.com> Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * ppc64: Set up PCI tree from Open Firmware device treePaul Mackerras2005-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds code which gives us the option on ppc64 of instantiating the PCI tree (the tree of pci_bus and pci_dev structs) from the Open Firmware device tree rather than by probing PCI configuration space. The OF device tree has a node for each PCI device and bridge in the system, with properties that tell us what addresses the firmware has configured for them and other details. There are a couple of reasons why this is needed. First, on systems with a hypervisor, there is a PCI-PCI bridge per slot under the PCI host bridges. These PCI-PCI bridges have special isolation features for virtualization. We can't write to their config space, and we are not supposed to be reading their config space either. The firmware tells us about the address ranges that they pass in the OF device tree. Secondly, on powermacs, the interrupt controller is in a PCI device that may be behind a PCI-PCI bridge. If we happened to take an interrupt just at the point when the device or a bridge on the path to it was disabled for probing, we would crash when we try to access the interrupt controller. I have implemented a platform-specific function which is called for each PCI bridge (host or PCI-PCI) to say whether the code should look in the device tree or use normal PCI probing for the devices under that bridge. On pSeries machines we use the device tree if we're running under a hypervisor, otherwise we use normal probing. On powermacs we use normal probing for the AGP bridge, since the device for the AGP bridge itself isn't shown in the device tree (at least on my G5), and the device tree for everything else. This has been tested on a dual G5 powermac, a partition on a POWER5 machine (running under the hypervisor), and a legacy iSeries partition. Signed-off-by: Paul Mackerras <paulus@samba.org>
* | Mark ia64-specific MCA/INIT scheduler hooks as dangerousLinus Torvalds2005-09-12
| | | | | | | | | | | | | | | | | | | | | | | | ..and only enable them for ia64. The functions are only valid when the whole system has been totally stopped and no scheduler activity is ongoing on any CPU, and interrupts are globally disabled. In other words, they aren't useful for anything else. So make sure that nobody can use them by mistake. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] i386: Don't miss pending signals returning to user mode after signal ↵Roland McGrath2005-09-12
| | | | | | | | | | | | | | | | | | processing Signed-off-by: Roland McGrath <roland@redhat.com> Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] i810fb: Update i810fb documentationAntonino A. Daplas2005-09-11
| | | | | | | | | | | | | | | | Update i810fb documentation to describe new features and configuration changes. Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] i810fb: Change option ext_vga to extvga to match documentationAntonino A. Daplas2005-09-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reported by: Manuel Lauss <mano@roarinelk.homelinux.net> He was getting random initial video modes depending on the kernel configuration. His option line includes 'extvga'. The i810fb documentation describes the option 'extvga', however the driver accepts 'ext_vga'. Besides 'extvga' being ignored by i810fb, it also confuses the option parser of i810fb and assigns 'extvga' to 'mode_option'. This leads to an incorrect video mode at boot time. Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] i810fb: Restore xres and yres option parametersAntonino A. Daplas2005-09-11
| | | | | | | | | | | | | | | | | | | | If i810fb successfully probed for the EDID, it will disregard the boot option parameters 'xres' and 'yres'. Fix this regression. Excellent testing done by Manuel Lauss <mano@roarinelk.homelinux.net>. Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] i810fb: Fix oops if CONFIG_FB_I810_I2C is set to noAntonino A. Daplas2005-09-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reported by: Manuel Lauss <mano@roarinelk.homelinux.net> compiled with CONFIG_FB_I810_I2C = n and CONFIG_FB_I810 = y it oopses at boot in file drivers/video/i810/i810_main.c:1884 ... Unable to handle kernel NULL pointer dereference at virtual address 00000054 printing eip: c02543c0 *pde = 00000000 Oops: 0000 [#1] last sysfs file: Modules linked in: CPU: 0 EIP: 0060:[<c02543c0>] Not tainted VLI EFLAGS: 00010286 (2.6.13-mm2) EIP is at i810fb_find_init_mode+0x53/0x93 eax: c113ddd4 ebx: c1194000 ecx: c04be2dd edx: c1194000 esi: c1194008 edi: c113ddd4 ebp: c1194240 esp: c113ddcc ds: 007b es: 007b ss: 0068 struct fb_monspecs *specs is initialized to NULL causing the oops. Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68knommu: common RAM based 68360 startup codeGreg Ungerer2005-09-11
| | | | | | | | | | | | | | | | | | | | Create common start code for all 68360 based platforms that are loaded and run directly from RAM (as opposed to running from flash/ROM). This replaces the old specific startup code for each board. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68knommu: allow for SDRAM and GPIO differences on 5270/1 and 5274/5 ↵Greg Ungerer2005-09-11
| | | | | | | | | | | | | | | | | | | | | | processors Allow for differences in the SDRAM controller setup and GPIO pin setup of the 5270/1 and 5274/5 parts. With separate config options for each now this no longer needs to be board specific. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68knommu: FEC eth definitions support for the 523x Coldfire ↵Greg Ungerer2005-09-11
| | | | | | | | | | | | | | | | | | | | processor family Add support for the FEC ethernet driver of the Freescale 523x processor family to the FEC header definitions. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68knommu: add SPI register definitions for 528x processorsGreg Ungerer2005-09-11
| | | | | | | | | | | | | | | | | | Add QSPI register definitions of ColdFIre 528x processor SPI controller. Patch originally submitted by Derek Cheung <derek.cheung@sympatico.ca> Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] uclinux: add NULL check, 0 end valid check and some more exports to ↵Greg Ungerer2005-09-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | nommu.c Move call to get_mm_counter() in update_mem_hiwater() to be inside the check for tsk->mm being null. Otherwise you can be following a null pointer here. This patch submitted by Javier Herrero <jherrero@hvsistemas.es>. Modify the end check for munmap regions to allow for the legacy behavior of 0 being valid. Pretty much all current uClinux system libc malloc's pass in 0 as the end point. A hard check will fail on these, so change the check so that if it is non-zero it must be valid otherwise it fails. A passed in value will always succeed (as it used too). Also export a few more mm system functions - to be consistent with the VM code exports. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68knommu: dma support for 523x processorsGreg Ungerer2005-09-11
| | | | | | | | | | | | | | Support the DMA unit of the ColdFire 523x processor family. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] uclinux: remove use of mtd_put_device() in uclinux MTD map driverGreg Ungerer2005-09-11
| | | | | | | | | | | | | | | | | | We should not call mtd_put_device() in the uclinux MTD map driver. Also consistently use phys/virt fields of maps map_info struct, instead of mixing it with map_priv_1. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68knommu: add ColdFire serial driver support for 523x processor familyGreg Ungerer2005-09-11
| | | | | | | | | | | | | | | | | | Add support for the new Freescale 523x processor family to ColdFire serial driver. Also set different default baud rate for MOD5272 board. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68knommu: change addr arg to const in bitops.h/find_next_zero_bit()Greg Ungerer2005-09-11
| | | | | | | | | | | | | | | | Change addr arg to find_next_zero_bit to be a const. Cleans up compiler warning. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] m68knommu: correct prototype args in checksum.hGreg Ungerer2005-09-11
| | | | | | | | | | | | | | | | Bring arg types for csum_partial_copy and csum_paritial_copy_from_user prototypes into line with their actual implementation. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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