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2005-07-28[PATCH] s390: spin lock retryMartin Schwidefsky4-178/+84
Split spin lock and r/w lock implementation into a single try which is done inline and an out of line function that repeatedly tries to get the lock before doing the cpu_relax(). Add a system control to set the number of retries before a cpu is yielded. The reason for the spin lock retry is that the diagnose 0x44 that is used to give up the virtual cpu is quite expensive. For spin locks that are held only for a short period of time the costs of the diagnoses outweights the savings for spin locks that are held for a longer timer. The default retry count is 1000. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] v850: Define L1_CACHE_SHIFT and L1_CACHE_SHIFT_MAXMiles Bader2-4/+8
Signed-off-by: Miles Bader <miles@gnu.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] v850: Update PCI supportMiles Bader1-6/+31
These changes are untested (I no longer have the hardware). Signed-off-by: Miles Bader <miles@gnu.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] v850: Add pte_fileMiles Bader1-0/+2
Signed-off-by: Miles Bader <miles@gnu.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] v850: Update ioremap return type and add ioread/iowrite functionsMiles Bader1-13/+24
Signed-off-by: Miles Bader <miles@gnu.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] v850: const-qualify first parameter of find_next_zero_bitMiles Bader1-3/+3
Signed-off-by: Miles Bader <miles@gnu.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] v850: Define pfn_validMiles Bader1-2/+3
Signed-off-by: Miles Bader <miles@gnu.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: new subarchitecture v32Mikael Starvik128-0/+32075
New CRIS sub architecture named v32. From: Dave Jones <davej@redhat.com> Fix swapped kmalloc args Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: updates for 2.6.12Mikael Starvik12-86/+42
Patches to make CRIS work with 2.6.12. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: synchronous serial port driverMikael Starvik2-1/+107
Include file for synchronous serial port driver. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: SMPMikael Starvik7-58/+65
Patches to support SMP. * Each CPU has its own current_pgd. * flush_tlb_range is implemented as flush_tlb_mm. * Atomic operations implemented with spinlocks. * Semaphores implemented with spinlocks. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: profilerMikael Starvik1-0/+2
System-level profiler. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: pciMikael Starvik4-85/+298
Patches to make it possible to add PCI support. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: mmMikael Starvik1-1/+4
Memory management patches. * SMP support. * Non-executable stack (on v32). * 4-level page tables. * Added simple Thread Local Storage support. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: misc patchesMikael Starvik2-0/+5
* Start threads with IRQs enabled. * Move symbol exports to arch specific file. * Prepare for real command line in the future. * Handle csum for partition that crosses flash boundary. * Set utsname. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: IRQMikael Starvik4-37/+12
Use the generic IRQ framework Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: I/O and DMA allocatorMikael Starvik3-0/+104
Added I/O and DMA allocators to be used by drivers. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: driversMikael Starvik2-0/+100
Updates to device drivers. * Use I/O and DMA allocators. * Use wait_event_interruptible instead of interrutiple_sleep_on. * Added spinlocks SMP. * Changed restore_flags to local_irq_restore etc. * Updated IDE driver include to fit 2.6.12. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] CRIS update: arch splitMikael Starvik5-11/+84
Changes necessary to make the sub-arch split complete. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] ppc64: remove another fixed address constraintDavid Gibson3-13/+24
Presently the LparMap, one of the structures the kernel shares with the legacy iSeries hypervisor has a fixed offset address in head.S. This patch changes this so the LparMap is a normally initialized structure, without fixed address. This allows us to use macros to compute some of the values in the structure, which wasn't previously possible because the assembler always uses signed-% which gets the wrong answers for the computations in question. Unfortunately, a gcc bug means that doing this requires another structure (hvReleaseData) to be initialized in asm instead of C, but on the whole the result is cleaner than before. Signed-off-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] ppc64: dynamically allocate segment tablesDavid Gibson1-0/+2
PPC64 machines before Power4 need a segment table page allocated for each CPU. Currently these are allocated statically in a big array in head.S for all CPUs. The segment tables need to be in the first segment (so do_stab_bolted doesn't take a recursive fault on the stab itself), but other than that there are no constraints which require the stabs for the secondary CPUs to be statically allocated. This patch allocates segment tables dynamically during boot, using lmb_alloc() to ensure they are within the first 256M segment. This reduces the kernel image size by 192k... Tested on RS64 iSeries, POWER3 pSeries, and POWER5. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] ppc32: fix dma_map_page() to use page_to_bus()Matt Porter1-1/+1
The following trivial patch changes dma_map_page() to use page_to_bus() instead of open-coding it (incorrectly in some cases). Signed-off-by: Eugene Surovegin <ebs@ebshome.net> Signed-off-by: Matt Porter <mporter@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] ppc32: Make the UARTs on MPC824x individual platform devicesKumar Gala1-1/+2
The UARTs on the MPC824x are unique devices and really shouldn't be thought of as a DUART. In addition, if both UARTs are in use we need to configure the part to enable the 2nd UART since the pins for the UARTs are multiplexed. Adds support to run the 824x Sandpoint with both UARTs if desired. Signed-off-by: Matt McClintock <msm@freescale.com> Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] ppc32: Add proper prototype for cpm2_reset()Kumar Gala1-2/+3
Added a proper prototype for cpm2_reset() which gets rid of a build warning. Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] consolidate CONFIG_WATCHDOG_NOWAYOUT handlingAndrey Panin1-0/+10
Attached patch removes #ifdef CONFIG_WATCHDOG_NOWAYOUT mess duplicated in almost every watchdog driver and replaces it with common define in linux/watchdog.h. Signed-off-by: Andrey Panin <pazke@donpac.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] i4l: add Olitec ISDN PCI card in hisax gazel driverOlivier Blin1-0/+1
This patch adds support for the Olitec ISDN PCI card in the hisax gazel driver. The gazel driver supports this card, but wasn't aware of its PCI ids. Users used to modify the PCI ids of a supported card in include/linux/pci_ids.h and recompile their kernel to get this card running, as said in most Howtos. This patch makes the hisax gazel driver recognize the PCI ids of the Olitec ISDN PCI card. Signed-off-by: Olivier Blin <oblin@mandriva.com> Signed-off-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] Really __nocast-annotate kmalloc_node()Alexey Dobriyan1-1/+1
One chunk was lost somewhere between my and Andrew's machine. Noticed by Victor Fusco. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-28[PATCH] user_mode_vm() build fixAndrew Morton1-0/+3
include/asm/ptrace.h: In function `user_mode_vm': include/asm/ptrace.h:67: `VM_MASK' undeclared (first use in this function) Cc: Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27[PATCH] i386: clean up user_mode macrosChuck Ebbert1-3/+10
- make the new user_mode() return 0 or 1 (same as x86_64) - remove conditional jump from user_mode_vm() it's called every timer tick on each CPU on SMP) Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2-1/+3
2005-07-27[NETFILTER]: Fix ip_conntrack_put() prototype.Adrian Bunk1-1/+1
The function is not inline. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-27Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds1-3/+7
2005-07-27Merge master.kernel.org:/home/rmk/linux-2.6-arm-smpLinus Torvalds4-58/+127
2005-07-27[PATCH] x86_64: Implemenent machine_emergency_restartEric W. Biederman1-1/+1
It is not safe to call set_cpus_allowed() in interrupt context and disabling the apics is complicated code. So unconditionally skip machine_shutdown in machine_emergency_reboot on x86_64. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27[PATCH] i386: Implement machine_emergency_rebootEric W. Biederman1-1/+1
set_cpus_allowed is not safe in interrupt context and disabling apics is complicated code so don't call machine_shutdown on i386 from emergency_restart(). Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27[PATCH] Add emergency_restart()Eric W. Biederman26-0/+160
When the kernel is working well and we want to restart cleanly kernel_restart is the function to use. But in many instances the kernel wants to reboot when thing are expected to be working very badly such as from panic or a software watchdog handler. This patch adds the function emergency_restart() so that callers can be clear what semantics they expect when calling restart. emergency_restart() is expected to be callable from interrupt context and possibly reliable in even more trying circumstances. This is an initial generic implementation for all architectures. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27[PATCH] Refactor sys_reboot into reusable partsEric W. Biederman1-0/+9
Because the factors of sys_reboot don't exist people calling into the reboot path duplicate the code badly, leading to inconsistent expectations of code in the reboot path. This patch should is just code motion. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27[PATCH] inotify: add x86-64 syscall entriesRobert Love2-3/+14
Add inotify syscall entries to x86-64. Signed-off-by: Robert Love <rml@novell.com> Signed-off-by: John McCutchan <ttb@tentacle.dhs.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6Linus Torvalds5-14/+13
2005-07-26[PATCH] ARM SMP: Add ARMv6 memory barriersRussell King4-29/+69
Convert explicit gcc asm-based memory barriers into smp_mb() calls. These change between barrier() and the ARMv6 data memory barrier instruction depending on whether ARMv6 SMP is enabled. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-07-26[PATCH] ARM SMP: Use exclusive load/store for __xchgRussell King1-29/+58
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-07-26[PATCH] ARM: 2819/1: Fix several S3C24x0 IIS definesDimitry Andric1-3/+7
Patch from Dimitry Andric - Change S3C2440_IISCON_MPLL to S3C2440_IISMOD_MPLL: The S3C2440 IISCON register doesn\'t control the master clock selection, this is done with the IISMOD register. - Correct S3C2410_IISMOD_256FS and S3C2410_IISMOD_384FS: This is set via bit 2 of IISMOD, not bit 1. - Add S3C2410_IISCON_PSCEN (prescaler enable), for completeness\' sake. Signed-off-by: Dimitry Andric <dimitry.andric@tomtom.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-07-25[TG3]: add 5780 basic supportMichael Chan1-0/+2
Add 5780 PCI IDs, chip IDs, and other basic support. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-25Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds1-1/+1
2005-07-25Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds7-256/+47
2005-07-25[SPARC64]: Move syscall success and newchild state out of thread flags.David S. Miller3-13/+15
These two bits were accesses non-atomically from assembler code. So, in order to eliminate any potential races resulting from that, move these pieces of state into two bytes elsewhere in struct thread_info. Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-25[SPARC64]: Privatize sun5_timer.David S. Miller1-41/+0
It is only used by some localized code in irq.c, and also delete enable_prom_timer() as that is totally unused. Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-25[SPARC64]: Kill totally unused inline functions from asm/spitfire.hDavid S. Miller1-130/+0
Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-25[SPARC64]: Simplify asm/rwsem.h slightly.David S. Miller1-44/+4
rwsem_atomic_update and rwsem_atomic_add can be implemented straightly using atomic_*() routines. Also, rwsem_cmpxchgw() is totally unused, kill it. Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-25[SPARC64]: Non-atomic bitops do not need volatile operationsDavid S. Miller1-28/+28
Noticed this while comparing sparc64's bitops.h to ppc64's. We can cast the volatile memory argument to be non-volatile. While we're here, __inline__ --> inline. Signed-off-by: David S. Miller <davem@davemloft.net>
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