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* Add .gitignore files for MIPS.Ralf Baechle2005-11-071-0/+4
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* VPE loader janitoringRalf Baechle2005-11-071-56/+44
| | | | | | | | | | o Switch to dynamic major o Remove duplicate SHN_MIPS_SCOMMON definition o Coding style: remove typedefs. o Coding style: reorder to avoid the need for forward declarations o Use kzalloc. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* PNX8550 uses a MIPS32-like processor core, not R4xx0.Ralf Baechle2005-11-073-10/+13
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Turn rtlx upside down.Ralf Baechle2005-11-071-104/+93
| | | | | | | | | o Coding style o Race condition on open o Switch to dynamic major o Header file cleanup Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Merge master.kernel.org:/home/rmk/linux-2.6-drvmodelLinus Torvalds2005-10-311-0/+1
|\ | | | | | | Manual #include fixups for clashes - there may be some unnecessary
| * Create platform_device.h to contain all the platform device details.Russell King2005-10-291-1/+1
| | | | | | | | | | | | | | | | Convert everyone who uses platform_bus_type to include linux/platform_device.h. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [PATCH] fix missing includesTim Schmielau2005-10-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I recently picked up my older work to remove unnecessary #includes of sched.h, starting from a patch by Dave Jones to not include sched.h from module.h. This reduces the number of indirect includes of sched.h by ~300. Another ~400 pointless direct includes can be removed after this disentangling (patch to follow later). However, quite a few indirect includes need to be fixed up for this. In order to feed the patches through -mm with as little disturbance as possible, I've split out the fixes I accumulated up to now (complete for i386 and x86_64, more archs to follow later) and post them before the real patch. This way this large part of the patch is kept simple with only adding #includes, and all hunks are independent of each other. So if any hunk rejects or gets in the way of other patches, just drop it. My scripts will pick it up again in the next round. Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] jiffies_64 cleanupThomas Gleixner2005-10-301-4/+0
| | | | | | | | | | | | | | | | | | Define jiffies_64 in kernel/timer.c rather than having 24 duplicated defines in each architecture. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] unify sys_ptrace prototypeChristoph Hellwig2005-10-301-1/+1
| | | | | | | | | | | | | | | | | | | | Make sure we always return, as all syscalls should. Also move the common prototype to <linux/syscalls.h> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Don't uselessly export task_struct to userspace in core dumpsEric W. Biederman2005-10-301-11/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | task_struct is an internal structure to the kernel with a lot of good information, that is probably interesting in core dumps. However there is no way for user space to know what format that information is in making it useless. I grepped the GDB 6.3 source code and NT_TASKSTRUCT while defined is not used anywhere else. So I would be surprised if anyone notices it is missing. In addition exporting kernel pointers to all the interesting kernel data structures sounds like the very definition of an information leak. I haven't a clue what someone with evil intentions could do with that information, but in any attack against the kernel it looks like this is the perfect tool for aiming that attack. So since NT_TASKSTRUCT is useless as currently defined and is potentially dangerous, let's just not export it. (akpm: Daniel Jacobowitz <dan@debian.org> "would be amazed" if anything was using NT_TASKSTRUCT). Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] mm: init_mm without ptlockHugh Dickins2005-10-291-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | First step in pushing down the page_table_lock. init_mm.page_table_lock has been used throughout the architectures (usually for ioremap): not to serialize kernel address space allocation (that's usually vmlist_lock), but because pud_alloc,pmd_alloc,pte_alloc_kernel expect caller holds it. Reverse that: don't lock or unlock init_mm.page_table_lock in any of the architectures; instead rely on pud_alloc,pmd_alloc,pte_alloc_kernel to take and drop it when allocating a new one, to check lest a racing task already did. Similarly no page_table_lock in vmalloc's map_vm_area. Some temporary ugliness in __pud_alloc and __pmd_alloc: since they also handle user mms, which are converted only by a later patch, for now they have to lock differently according to whether or not it's init_mm. If sources get muddled, there's a danger that an arch source taking init_mm.page_table_lock will be mixed with common source also taking it (or neither take it). So break the rules and make another change, which should break the build for such a mismatch: remove the redundant mm arg from pte_alloc_kernel (ppc64 scrapped its distinct ioremap_mm in 2.6.13). Exceptions: arm26 used pte_alloc_kernel on user mm, now pte_alloc_map; ia64 used pte_alloc_map on init_mm, now pte_alloc_kernel; parisc had bad args to pmd_alloc and pte_alloc_kernel in unused USE_HPPA_IOREMAP code; ppc64 map_io_page forgot to unlock on failure; ppc mmu_mapin_ram and ppc64 im_free took page_table_lock for no good reason. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] mm: mm_init set_mm_countersHugh Dickins2005-10-291-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | How is anon_rss initialized? In dup_mmap, and by mm_alloc's memset; but that's not so good if an mm_counter_t is a special type. And how is rss initialized? By set_mm_counter, all over the place. Come on, we just need to initialize them both at once by set_mm_counter in mm_init (which follows the memcpy when forking). Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Update MIPS defconfig files.Ralf Baechle2005-10-2946-5986/+17743
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | prom_free_prom_memory() returns unsigned longArthur Othieno2005-10-293-3/+6
| | | | | | | | | | | | | | | | | | | | Some boards declare prom_free_prom_memory as a void function but the caller free_initmem() expects a return value. Fix those up and return 0 instead, just like everyone else does. Signed-off-by: Arthur Othieno <a.othieno@bluewin.ch> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Get rid of SINGLE_ONLY_FPU. Linux does not support half FPU other thanRalf Baechle2005-10-291-62/+8
| | | | | | | | | | | | by emulation of a full FPU. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Fix all the get_user / put_user related sparse warnings.Ralf Baechle2005-10-291-15/+15
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Delete unused ieee754_cname[] and declaration.Ralf Baechle2005-10-292-11/+0
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Include for prototypes.Ralf Baechle2005-10-291-0/+2
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Protect against multiple inclusion.Ralf Baechle2005-10-291-0/+4
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Remove useless casts of kmalloc return values.Ralf Baechle2005-10-292-5/+2
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Hack to resolve longstanding prefetch issueRalf Baechle2005-10-291-0/+15
| | | | | | | | | | | | | | | | Prefetching may be fatal on some systems if we're prefetching beyond the end of memory on some systems. It's also a seriously bad idea on non dma-coherent systems. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | More foolproofing of the CPU configuration.Ralf Baechle2005-10-291-2/+149
| | | | | | | | | | | | | | Limit the number of cpu type options in the cpu menu to just those types that are actually available for the select platform. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | pci-expmem-hackAndrew Isaacson2005-10-291-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | CFE 1.2.5 and earlier fails to turn on the ExpMemEn bit in the PCIFeatureControl register, which means that DMA does not work beyond physical address 01_0000_0000, ergo to DRAM beyond 1GB. With ExpMemEn turned on, 01_0000_0000-0f_ffff_ffff is mapped, so DMA works for up to 61 GB of DRAM. Will be fixed in CFE 1.2.6 (yet to be released). Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | BCM1480 HT supportAndrew Isaacson2005-10-295-17/+248
| | | | | | | | | | | | | | PCI support code for PLX 7250 PCI-X tunnel on BCM91480B BigSur board. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Support for the BCM1480 on-chip PCI-X bridge.Andrew Isaacson2005-10-292-0/+257
| | | | | | | | | | Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | SB1 cache exception handling.Andrew Isaacson2005-10-293-8/+59
| | | | | | | | | | | | | | | | Expand SB1 cache error handling by adding SB1_CEX_ALWAYS_FATAL and SB1_CEX_STALL, allowing configurable behavior on cache errors. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Support for BigSur board.Andrew Isaacson2005-10-292-0/+12
| | | | | | | | | | Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Add support for BCM1480 family of chips.Andrew Isaacson2005-10-2911-5/+1093
| | | | | | | | | | | | | | | | | | - Kconfig and Makefile changes - arch/mips/sibyte/bcm1480/ - changes to sibyte common code to support 1480 Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Add support for SB1A CPU.Andrew Isaacson2005-10-293-0/+5
| | | | | | | | | | Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Sibyte fixesAndrew Isaacson2005-10-291-1/+1
| | | | | | | | | | | | | | Fix typo in cpu_probe_sibyte. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Fix zero length sys_cacheflushAtsushi Nemoto2005-10-291-0/+2
| | | | | | | | | | | | | | | | | | Cacheflush(0, 0, 0) was crashing the system. This is because flush_icache_range(start, end) tries to flushing whole address space (0 - ~0UL) if both start and end are zero. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Get 64-bit right in the kgdb stub.Ralf Baechle2005-10-291-3/+2
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Sys_lookup_dcookie arguments occupy 4 argument slots.Ralf Baechle2005-10-291-1/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | FPU emulator garbage collection.Ralf Baechle2005-10-292-4/+4
| | | | | | | | | | | | First argument of fpu_emulator_cop1Handler() was unused. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Don't print file name and line in die and die_if_kernel.Ralf Baechle2005-10-291-14/+2
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Rename page argument of flush_cache_page to something more descriptive.Ralf Baechle2005-10-291-16/+17
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Sliceup Kconfig; it's grown too large.Ralf Baechle2005-10-2910-554/+610
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Date: Fri Jan 14 03:03:23 2005 +0000Ralf Baechle2005-10-291-1/+1
| | | | | | | | | | | | Locking cleanups. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Fix wrong comment.Ralf Baechle2005-10-291-1/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Fixup a few lose ends in explicit support for MIPS R1/R2.Ralf Baechle2005-10-297-12/+12
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Document the meaning of the CPU_MIPS32, CPU_MIPS64, CPU_MIPSR1 andRalf Baechle2005-10-291-0/+6
| | | | | | | | | | | | CPU_MIPSR2. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Protect manipulation of c0_status against preemption and multithreading.Ralf Baechle2005-10-292-12/+47
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Detect 4KSD and treat it like 4KSc.Ralf Baechle2005-10-291-0/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Convert the remaining SPIN_LOCK_UNLOCKED instances to DEFINE_SPINLOCK.Ralf Baechle2005-10-295-6/+6
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Define and initialize kdb_lock using DEFINE_SPINLOCK.Ralf Baechle2005-10-291-6/+8
| | | | | | | | | | | | | | | | | | Convert kgdb_cpulock into a raw_spinlock_t. SPIN_LOCK_UNLOCKED is deprecated and it's replacement DEFINE_SPINLOCK is not suitable for arrays of spinlocks. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Make kgdb_wait static.Ralf Baechle2005-10-291-1/+1
| | | | | | | | | | | | | | Nothing outside gdb-stub.c uses kgdb_wait, so change it's definition to static. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Don't copy SB1 cache error handler to uncached memory.Ralf Baechle2005-10-291-1/+0
| | | | | | | | | | | | | | | | | | This may have made sense on a paranoid day with pass 1 BCM1250 processors that were throwing cache error exception left and right for no good reason. On modern silicion that hardly makes sense and the code had gotten just an obscurity ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | No need to explicitly call __read_64bit_c0_split; __read_64bit_c0_registerRalf Baechle2005-10-291-6/+1
| | | | | | | | | | | | will do that itself iff needed. Fix format string. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Fix stale comment in c-sb1.c.Andrew Isaacson2005-10-291-1/+1
| | | | | | | | | | Signed-Off-By: Andrew Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Cleanup the mess in cpu_cache_init.Ralf Baechle2005-10-296-61/+62
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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