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* [PATCH] m68knommu: optimized local_irq_disable, and platform reboot codeGreg Ungerer2005-09-131-6/+48
| | | | | | | | | | | | Switch to a space optimized version of local_irq_disable() for ColdFire platforms. Also add reboot support for the Freescale M5272 platform. Patch originally submitted by Philippe De Muyter <phdm@macqel.be>. Add reboot support for the Freescale M523x ColdFire platform. Patch originally submitted by Jate Sujjavanich. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: implement scatter/gather support macrosGreg Ungerer2005-09-131-0/+6
| | | | | | | | Implement the scattergather support macros for m68knommu targets. Patch originally submitted by Leon Woestenberg <leonw@mailcan.com>. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: fix cache actions for ColdFire 5249, 527x and 528x processorsGreg Ungerer2005-09-131-14/+15
| | | | | | | | | | Add better support for flushing the cache's on some ColdFire processors. The 5249 cache code is now enabled (it was stubbed out), it really is needed. Add support for the 527x and 528x families - we only use the simple instruction cache on them. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6 Linus Torvalds2005-09-133-2/+110
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| * [SCSI] Alter the scsi_add_device() API to conform to what users expectJames Bottomley2005-09-101-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The original API returned either an ERR_PTR() or a refcounted sdev. Unfortunately, if it's successful, you need to do a scsi_device_put() on the sdev otherwise the refcounting is wrong. Everyone seems to expect that scsi_add_device() should be callable without doing the ref put, so alter the API so it is (we still have __scsi_add_device with the original behaviour). The only actual caller that needs altering is the one in firewire ... not because it gets this right, but because it acts on the error if one is returned. Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] fc_transport: Generalize WWN to u64 interger conversions.Andrew Vasquez2005-09-101-0/+8
| | | | | | | | | | | | | | | | | | | | | | On some platforms the hard-casting of 8 byte node_name and port_name arrays to an u64 would cause unaligned-access warnings. Generalize the conversions with a transport helper function which performs consistent shifting of WWN bytes. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] SAS transport classChristoph Hellwig2005-09-091-0/+100
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The SAS transport class contains common code to deal with SAS HBAs, an aproximated representation of SAS topologies in the driver model, and various sysfs attributes to expose these topologies and managment interfaces to userspace. In addition to the basic SCSI core objects this transport class introduces two additional intermediate objects: The SAS PHY as represented by struct sas_phy defines an "outgoing" PHY on a SAS HBA or Expander, and the SAS remote PHY represented by struct sas_rphy defines an "incoming" PHY on a SAS Expander or end device. Note that this is purely a software concept, the underlying hardware for a PHY and a remote PHY is the exactly the same. There is no concept of a SAS port in this code, users can see what PHYs form a wide port based on the port_identifier attribute, which is the same for all PHYs in a port. This submission doesn't handle hot-plug addition or removal of SAS devices and thus doesn't do scanning in a workqueue yet, that will be added in phase2 after this submission. In a third phase I will add additional managment infrastructure. I think this submission is ready for 2.6.14, but additional comments are of course very welcome. I'd like to thanks James Smart a lot for his very useful input on the design. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Linus Torvalds2005-09-135-13/+212
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| * | [NETROM]: Introduct stuct nr_privateRalf Baechle2005-09-121-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | NET/ROM's virtual interfaces don't have a proper private data structure yet. Create struct nr_private and put the statistics there. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NETROM]: Implement G8PZT Circuit reset for NET/ROMRalf Baechle2005-09-122-2/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | NET/ROM is lacking a connection reset like TCP's RST flag which at times may result in a connecting having to slowly timing out instead of just being reset. An earlier attempt to reset the connection by sending a NR_CONNACK | NR_CHOKE_FLAG transport was inacceptable as it did result in crashes of BPQ systems. An alternative approach of introducing a new transport type 7 (NR_RESET) has be implemented several years ago in Paula Jayne Dowie G8PZT's Xrouter. Implement NR_RESET for Linux's NET/ROM but like any messing with the state engine consider this experimental for now and thus control it by a sysctl (net.netrom.reset) which for the time being defaults to off. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [AX.25]: Add descriptions to constantsRalf Baechle2005-09-121-5/+5
| | | | | | | | | | | | | | | | | | | | | Comment the names used for the AX.25 state machine. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [AX.25]: Add more PIDsRalf Baechle2005-09-121-5/+14
| | | | | | | | | | | | | | | | | | | | | | | | Add a few more PID definitions. AX.25 PIDs are the equivalent to IP protocol numbers. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [AX.25]: Rename ax25_encapsulate to ax25_hard_headerRalf Baechle2005-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Rename ax25_encapsulate to ax25_hard_header which these days more accurately describes what the function is supposed to do. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NET]: Add netlink connector.Evgeniy Polyakov2005-09-122-0/+159
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kernel connector - new userspace <-> kernel space easy to use communication module which implements easy to use bidirectional message bus using netlink as it's backend. Connector was created to eliminate complex skb handling both in send and receive message bus direction. Connector driver adds possibility to connect various agents using as one of it's backends netlink based network. One must register callback and identifier. When driver receives special netlink message with appropriate identifier, appropriate callback will be called. From the userspace point of view it's quite straightforward: socket(); bind(); send(); recv(); But if kernelspace want to use full power of such connections, driver writer must create special sockets, must know about struct sk_buff handling... Connector allows any kernelspace agents to use netlink based networking for inter-process communication in a significantly easier way: int cn_add_callback(struct cb_id *id, char *name, void (*callback) (void *)); void cn_netlink_send(struct cn_msg *msg, u32 __groups, int gfp_mask); struct cb_id { __u32 idx; __u32 val; }; idx and val are unique identifiers which must be registered in connector.h for in-kernel usage. void (*callback) (void *) - is a callback function which will be called when message with above idx.val will be received by connector core. Using connector completely hides low-level transport layer from it's users. Connector uses new netlink ability to have many groups in one socket. [ Incorporating many cleanups and fixes by myself and Andrew Morton -DaveM ] Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | [PATCH] USB: fix usbdevice_fs header breakageHarald Welte2005-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [USBDEVFS] fix inclusion of <linux/compat.h> to avoud header mess Without moving the include of compat.h down, userspace programs that use usbdevice_fs.h end up including half the kernel includes (and eventually fail to compile). Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | | [PATCH] x86-64: clean up local_add/sub argumentsAndi Kleen2005-09-121-2/+2
| | | | | | | | | | | | Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: i386/x86-64: Fix time going twice as fast problem on ATI ↵Chuck Ebbert2005-09-122-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Xpress chipsets Original patch from Bertro Simul This is probably still not quite correct, but seems to be the best solution so far. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: reduce x86-64 bug frame by 4 bytesJan Beulich2005-09-121-6/+4
| | | | | | | | | | | | | | | | | | | | | | | | As mentioned before, the size of the bug frame can be further reduced while continuing to use instructions to encode the information. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Make dmi_find_device for !DMI case inlineAndi Kleen2005-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | Otherwise it will generate warnings and be generated many times. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Lose constraints on cmpxchgJan Beulich2005-09-121-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | While only cosmetic for x86-64, this adjusts the cmpxchg code appearantly inherited from i386 to use more generic constraints. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Declare NMI_VECTOR and handle it in the IPI sending code.Jan Beulich2005-09-122-3/+15
| | | | | | | | | | | | | | | Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Remove unused vxtime.hz fieldAndi Kleen2005-09-121-1/+0
| | | | | | | | | | | | | | | Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Set the stack pointer correctly in init_thread and init_tssAndi Kleen2005-09-121-1/+7
| | | | | | | | | | | | | | | Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Safe interrupts in oops_begin/endJan Beulich2005-09-122-5/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Rather than blindly re-enabling interrupts in oops_end(), save their state in oope_begin() and then restore that state. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Merge msr.c with i386 versionAndi Kleen2005-09-121-12/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The only difference was the inline assembly, so move that into asm/msr.h and merge with the i386 version. This adds some missing sysfs support code to x86-64. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Fix CFI informationJan Beulich2005-09-122-8/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Being the foundation for reliable stack unwinding, this fixes CFI unwind annotations in many low-level x86_64 routines, plus a config option (available to all architectures, and also present in the previously sent patch adding such annotations to i386 code) to enable them separatly rather than only along with adding full debug information. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Add dma_sync_single_range_for_{cpu,device}Andi Kleen2005-09-121-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Currently just defined to their non range parts. Pointed out by John Linville Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] Replace extern inline with static inline in asm-x86_64/*Adrian Bunk2005-09-1210-30/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | They should be identical in the kernel now, but this makes it consistent with other code. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] Increase nodemap hash.Nakul Saraiya2005-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Needed for some newer Opteron systems with E stepping and memory relocation enabled. The node addresses are different in lower bits now so the nodemap hash function needs to be enlarged. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Fix off by one in pfn_validJim Paradis2005-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | When I gave proposed the fix to pfn_valid() for RHEL4, Stephen Tweedie's sharp eyes caught this: Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] i386: add memory clobbers to syscall macrosAndi Kleen2005-09-121-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As noted by matz@suse.de The problem is, that on i386 the syscallN macro is defined like so: long __res; \ __asm__ volatile ("int $0x80" \ : "=a" (__res) \ : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \ If one of the arguments (in the _llseek syscall it's the arg4) is a pointer which the syscall is expected to write to (to the memory pointed to by this ptr), then this side-effect is not captured in the asm. If anyone uses this macro to define it's own version of the syscall (sometimes necessary when not using glibc) and it's inlined, then GCC doesn't know that this asm write to "*dest", when called like so for instance: out = 1; llseek (fd, bla, blubb, &out, trara) use (out); Here nobody tells GCC that "out" actually is written to (just a pointer to it is passed to the asm). Hence GCC might (and in the above bug did) copy-propagate "1" into the second use of "out". The easiest solution would be to add a "memory" clobber to the definition of this syscall macro. As this is a syscall, it shouldn't inhibit too many optimizations. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Increase TLB flush array sizeAndi Kleen2005-09-122-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The generic TLB flush functions kept upto 506 pages per CPU to avoid too frequent IPIs. This value was done for the L1 cache of older x86 CPUs, but with modern CPUs it does not make much sense anymore. TLB flushing is slow enough that using the L2 cache is fine. This patch increases the flush array on x86-64 to cache 5350 pages. That is roughly 20MB with 4K pages. It speeds up large munmaps in multithreaded processes on SMP considerably. The cost is roughly 42k of memory per CPU, which is reasonable. I only increased it on x86-64 for now, but it would probably make sense to increase it everywhere. Embedded architectures with SMP may keep it smaller to save some memory per CPU. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Don't include config.h in asm/timex.hAndi Kleen2005-09-121-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | asm-x86-64/timex.h does not reference CONFIG constants. Do not need to include config.h. Signed-off-by: Grant Grundler <iod00d@hp.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Some cleanup and optimization to the processor data area.Andi Kleen2005-09-123-11/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | - Remove unused irqrsp field - Remove pda->me - Optimize set_softirq_pending slightly Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Make remote TLB flush more scalableAndi Kleen2005-09-121-8/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of using a global spinlock to protect the state of the remote TLB flush use a lock and state for each sending CPU. To tell the receiver where to look for the state use 8 different call vectors. Each CPU uses a specific vector to trigger flushes on other CPUs. Depending on the received vector the target CPUs look into the right per cpu variable for the flush data. When the system has more than 8 CPUs they are hashed to the 8 available vectors. The limited global vector space forces us to this right now. In future when interrupts are split into per CPU domains this could be fixed, at the cost of needing more IPIs in flat mode. Also some minor cleanup in the smp flush code and remove some outdated debug code. Requires patch to move cpu_possible_map setup earlier. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Use ACPI PXM to parse PCI<->node assignmentsAndi Kleen2005-09-124-3/+6
| | | | | | | | | | | | | | | | | | | | | Since this is shared code I had to implement it for i386 too Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] x86-64: Remove redundant max_mapnr and replace with end_pfnAndi Kleen2005-09-122-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | The FLATMEM people added it, but there doesn't seem a good reason because end_pfn is identical. 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 Kleen2005-09-121-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Support dualcore and 8 socket systems in k8 fallback node ↵Andi Kleen2005-09-121-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Kleen2005-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | 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: Don't assign CPU numbers in SRAT parsingAndi Kleen2005-09-121-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Remove esr disable hack in APIC codeAndi Kleen2005-09-121-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | 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 Kleen2005-09-121-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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] cpuset semaphore depth check optimizePaul Jackson2005-09-121-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Polyakov2005-09-121-15/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Torvalds2005-09-1210-56/+208
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| * | | [PATCH] ppc64: Remove unused codeAnton Blanchard2005-09-121-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Add ptrace data breakpoint supportAnton Blanchard2005-09-125-0/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Blanchard2005-09-123-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - 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: ptrace cleanupsAnton Blanchard2005-09-121-52/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - 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>
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