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* [SPARC]: Kill remaining kbio.h references.Christoph Hellwig2005-11-07
| | | | | | | | Would you mind applying the following patch that kills those two + the m68k and Documentation/ references? Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64] mm: simpler tlb_flush_mmuHugh Dickins2005-11-07
| | | | | | | | | Minor simplification to the sparc64 tlb_flush_mmu: tlb_remove_page set need_flush only after handling the tlb_fast_mode case, then tlb_flush_mmu need not consider whether it's tlb_fast_mode. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: remove duplicated compat ioctl entriesChristoph Hellwig2005-11-07
| | | | | | | all these are handled by fs/compat_ioctls.c already. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: remove vuid_event.hChristoph Hellwig2005-11-07
| | | | | | | | I don't know if we ever implemented this, but the only user in any 2.6 tree are the compat ioctls. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: remove kbio.hChristoph Hellwig2005-11-07
| | | | | | | | The old keyboard driver is gone in 2.6, so the only user left are the compat ioctls. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: remove audioio.hChristoph Hellwig2005-11-07
| | | | | | | | The old sound drivers are gone in 2.6, so the only user left are the compat ioctls. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: remove alloc_user_space()Christoph Hellwig2005-11-07
| | | | | | | | this inline routine in arch/sparc64/kernel/ioctl32.c is completely unused and superceeded by compat_alloc_user_space() Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: remove duplicate TIOCPKT_ definitionsStephen Rothwell2005-11-07
| | | | | | | | The TIOCPKT_ macros are defined by all other architectures in asm/ioctls.h and so does sparc and sparc64, so reomve the duplicates in asm/termios.h. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SUNSU]: Do not mark sunsu_console_setup() __initDavid S. Miller2005-11-07
| | | | | | Sets off buildcheck warnings. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Kill off dummy_tick_ops.David S. Miller2005-11-07
| | | | | | | | It only serves to generate false-positive buildcheck warnings. Just set it initially to tick_operations which uses the v9 %tick register which every sparc64 processor has. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64] mm: Do not flush TLB mm in tlb_finish_mmu()David S. Miller2005-11-07
| | | | | | | | | | It isn't needed any longer, as noted by Hugh Dickins. We still need the flush routines, due to the one remaining call site in hugetlb_prefault_arch_hook(). That can be eliminated at some later point, however. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Remove bogus register programming in cg6 driver.David S. Miller2005-11-07
| | | | | | | | | Don't write garbage into the overlay plane. Noted by Bob Breuer. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: More abstractions and cleanups of dma handling in cs4231.Georg Chini2005-11-07
| | | | | | From: Georg Chini <georg.chini@triaton-webhosting.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64] mm: context switch ptlockHugh Dickins2005-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | sparc64 is unique among architectures in taking the page_table_lock in its context switch (well, cris does too, but erroneously, and it's not yet SMP anyway). This seems to be a private affair between switch_mm and activate_mm, using page_table_lock as a per-mm lock, without any relation to its uses elsewhere. That's fine, but comment it as such; and unlock sooner in switch_mm, more like in activate_mm (preemption is disabled here). There is a block of "if (0)"ed code in smp_flush_tlb_pending which would have liked to rely on the page_table_lock, in switch_mm and elsewhere; but its comment explains how dup_mmap's flush_tlb_mm defeated it. And though that could have been changed at any time over the past few years, now the chance vanishes as we push the page_table_lock downwards, and perhaps split it per page table page. Just delete that block of code. Which leaves the mysterious spin_unlock_wait(&oldmm->page_table_lock) in kernel/fork.c copy_mm. Textual analysis (supported by Nick Piggin) suggests that the comment was written by DaveM, and that it relates to the defeated approach in the sparc64 smp_flush_tlb_pending. Just delete this block too. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64] mm: don't re-evaluate *ptepHugh Dickins2005-11-07
| | | | | | | | | | sparc64 prom_callback and new_setup_frame32 each operates on a user page table without holding lock, and no doubt they've good reason. But I'd feel more confident if they were to do a "pte = *ptep" and then operate on pte, rather than re-evaluating *ptep. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Make SBUS dma code similar to EBUSGeorg Chini2005-11-07
| | | | | | | | | | | | From: Georg Chini <georg.chini@triaton-webhosting.com> Introduce some sbus_dma routines similar to the ebus_dma stuff to make the code look nearly the same for both cases. Thanks to Christopher for testing. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Add sun4m LED driver.Lars Kotthoff2005-11-07
| | | | | | | | This is a forward port of a 2.4.x sun4m LED driver written by Lars Kotthoff. Signed-off-by: Lars Kotthoff <metalhead@metalhead.ws> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds2005-11-07
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| * [ARM] 3120/1: Fix MMC/SD card driver resume deadlockUli Luckas2005-11-07
| | | | | | | | | | | | | | | | | | Patch from Uli Luckas This is a simplification of patch 3116/1 as sugested by Russell King. Signed-off-by: Uli Luckas <u.luckas@road-gmbh.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-11-07
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| * | [ARM] Allow SMP if Realview MPcore is selectedRussell King2005-11-07
| | | | | | | | | | | | | | | | | | | | | This patch puts into place the final piece of the puzzle for SMP support on ARM. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3121/1: unconditionally use XCB=101 on ixp2000Lennert Buytenhek2005-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek Since we have to use XCB=101 instead of XCB=000 on the ixp2400 to prevent it from regularly falling over, and since we have to deal with manual write buffer flushing because of that, we might as well use XCB=101 on all ixp2000 platforms since it's faster than XCB=000. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3118/1: fix and reenable nwfpe extended precision emulation for big-endianLennert Buytenhek2005-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek nwfpe extended precision emulation used to be broken on big-endian and was therefore disabled. This patch fixes nwfpe so that it copies extended precision floats to/from userspace in the proper word order (similar to patch #2046, see the description of that patch for an explanation) and reenables the Kconfig option. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3117/1: nwfpe kernel memory info leakLennert Buytenhek2005-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek The routine that nwfpe uses for converting floats/doubles to extended precision fails to zero two bytes of kernel stack. This is not immediately obvious, as the floatx80 structure has 16 bits of implicit padding (by design.) These two bytes are copied to userspace when an stfe is emulated, causing a possible info leak. Make the padding explicit and zero it out in the relevant places. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM SMP] Add Realview MPcore SMP supportRussell King2005-11-07
| | | | | | | | | | | | | | | | | | | | | Add SMP support for the MPcore tile fitted to the Realview ARM platform. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | Merge with ARM SMP treeRussell King2005-11-07
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| | * | [ARM SMP] Add support for shared memory attributeRussell King2005-11-07
| | |/ | | | | | | | | | | | | | | | | | | We need to set the shared memory attribute in the page tables on SMP systems to allow the cache coherency to operate. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Add support for Realview with MPcore tileRussell King2005-11-07
| | | | | | | | | | | | | | | | | | | | | Add uniprocessor support for Realview platform fitted with the MPcore (SMP) tile. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] realview core.h uses leds_event_t, so include asm/leds.hRussell King2005-11-07
| |/ | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreqLinus Torvalds2005-11-07
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| * | [CPUFREQ] Fix up compile of cpufreq_statsDave Jones2005-11-02
| | | | | | | | | | | | | | | | | | Whoops, I lost a hunk of the last patch somehow. Signed-off-by: Dave Jones <davej@redhat.com>
| * | [CPUFREQ] Check return value of cpufreq_cpu_get in cpufreq_statsDave Jones2005-10-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes an issue found in drivers/cpufreq/cpufreq_stats.c by Coverity. Error reported: CID: 2642 Checker: NULL_RETURNS (help) File: /export2/p4-coverity/mc2/linux26/drivers/cpufreq/cpufreq_stats.c Function: cpufreq_stats_create_table Description: Dereferencing NULL value "data" Patch description: The return of cpufreq_cpu_get can be NULL, check return code and return -EINVAL if it is NULL. Signed-off-by: Jayachandran C. <c.jayachandran at gmail.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | [CPUFREQ] kzalloc conversions for cpufreq core.Dave Jones2005-10-20
| | | | | | | | | | | | Signed-off-by: Dave Jones <davej@redhat.com>
| * | [CPUFREQ] kzalloc conversions for i386 drivers.Dave Jones2005-10-20
| | | | | | | | | | | | Signed-off-by: Dave Jones <davej@redhat.com>
| * | [CPUFREQ] Remove preempt_disable from powernow-k8Dave Jones2005-09-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Via reading the code, my understanding is that powernow-k8 uses preempt_disable to ensure that driver->target doesn't migrate across cpus whilst it's accessing per processor registers, however set_cpus_allowed will provide this for us. Additionally, remove schedule() calls from set_cpus_allowed as set_cpus_allowed ensures that you're executing on the target processor on return. Signed-off-by: Zwane Mwaikambo <zwane@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Dave Jones <davej@redhat.com>
| * | [CPUFREQ] Avoid the ondemand cpufreq governor to use a too high frequency ↵Dave Jones2005-09-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | for stats. The problem is in the ondemand governor, there is a periodic measurement of the CPU usage. This CPU usage is updated by the scheduler after every tick (basically, by adding 1 either to "idle" or to "user" or to "system"). So if the frequency of the governor is too high, the stat will be meaningless (as mostly no number have changed). So this patch checks that the measurements are separated by at least 10 ticks. It means that by default, stats will have about 5% error (20 ticks). Of course those numbers can be argued but, IMHO, they look sane. The patch also includes a small clean-up to check more explictly the result of the conversion from ns to µs being null. Let's note that (on x86) this has never been really needed before 2.6.13 because HZ was always 1000. Now that HZ can be 100, some CPU might be affected by this problem. For instance when HZ=100, the centrino ,which has a 10µs transition latency, would lead to the governor allowing to read stats every tick (10ms)! Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Dave Jones <davej@redhat.com>
* | | Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgartLinus Torvalds2005-11-07
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| * | | [AGPGART] Fix up warning in efficeon driver.Dave Jones2005-11-05
| | | | | | | | | | | | | | | | | | | | | | | | efficeon-agp.c:222: warning: passing arg 1 of `virt_to_phys' makes pointer from integer without a cast Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [AGPGART] Fix up sgi-agp bug with no devices on bus.Dave Jones2005-11-04
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Eric Kunze <ekunze@sgi.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [AGPGART] When we encounter reserved mode bits, print them out.Dave Jones2005-11-04
| | | | | | | | | | | | | | | | Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [AGPGART] Set .owner field of struct pci_driver.Dave Jones2005-10-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | From: Laurent Riffard <laurent.riffard@free.fr> This updates .owner field of struct pci_driver. This allows SYSFS to create the symlink from the driver to the module which provides it. $ tree /sys/bus/pci/drivers/agpgart-via/ /sys/bus/pci/drivers/agpgart-via/ |-- 0000:00:00.0 -> ../../../../devices/pci0000:00/0000:00:00.0 |-- bind |-- module -> ../../../../module/via_agp |-- new_id `-- unbind Signed-off-by: Laurent Riffard <laurent.riffard@free.fr> Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
| * | | [AGPGART] Replace kmalloc+memset's with kzalloc'sDave Jones2005-10-20
| | | | | | | | | | | | | | | | Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [AGPGART] Fix serverworks TLB flush.Dave Jones2005-09-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Go back to what 2.4 kernels used to do here, as if this hits, the kernel just hangs indefinitly. Actually an improvement over 2.4 - we now break; out of the loop instead of just printing messages on timeouts. Signed-off-by: Dave Jones <davej@redhat.com>
* | | | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2005-11-07
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| * | | | VINO driver version 0.0.5.Ladislav Michl2005-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | Second cut of the VINO / Indycam driver for the Silicon Graphics Indy, much more feature complete and bug free.
| * | | | Redefine outs[wl] for ide_outs[wl].Atsushi Nemoto2005-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add missing bits to fix D-cache aliasing problem in the PIO IDE driver. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | Delete duplicate definitions.Ralf Baechle2005-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts 8f91ed6c2fec8cb746e4dc86a79247162b4c5a7a. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | Fix return type of setup_frame variantsAtsushi Nemoto2005-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since 2.6.13-rc1 setup_frame and its variants return int. But some bits were missed in the conversion. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | IRIX: Use schedule_timeout_interruptible.Ralf Baechle2005-11-07
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | Define MAX_UDELAY_MSAtsushi Nemoto2005-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If HZ was 1000, mdelay(2) cause overflow on multiplication in __udelay. We should define MAX_UDELAY_MS properly to prevent this. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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