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2009-12-14locking: Convert raw_spinlock to arch_spinlockThomas Gleixner51-164/+164
The raw_spin* namespace was taken by lockdep for the architecture specific implementations. raw_spin_* would be the ideal name space for the spinlocks which are not converted to sleeping locks in preempt-rt. Linus suggested to convert the raw_ to arch_ locks and cleanup the name space instead of using an artifical name like core_spin, atomic_spin or whatever No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: linux-arch@vger.kernel.org
2009-12-14locking: Separate rwlock api from spinlock apiThomas Gleixner2-249/+280
Move the rwlock smp api defines and functions into a separate header file. Makes the -rt selection simpler and less intrusive. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Ingo Molnar <mingo@elte.hu>
2009-12-14locking: Split rwlock from spinlock headersThomas Gleixner4-129/+195
Move the rwlock defines and inlines into separate header files. This makes the selection for -rt easier. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Ingo Molnar <mingo@elte.hu>
2009-12-14locking: Reorder functions in spinlock.cThomas Gleixner1-123/+123
Separate spin_lock and rw_lock functions. Preempt-RT needs to exclude the rw_lock functions from being compiled. The reordering allows to do that with a single #ifdef. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Ingo Molnar <mingo@elte.hu>
2009-12-14Merge branch 'for_linus' of ↵Linus Torvalds5-31/+66
git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6: udf: Avoid IO in udf_clear_inode udf: Try harder when looking for VAT inode udf: Fix compilation with UDFFS_DEBUG enabled
2009-12-14udf: Avoid IO in udf_clear_inodeJan Kara3-22/+41
It is not very good to do IO in udf_clear_inode. First, VFS does not really expect inode to become dirty there and thus we have to write it ourselves, second, memory reclaim gets blocked waiting for IO when it does not really expect it, third, the IO pattern (e.g. on umount) resulting from writes in udf_clear_inode is bad and it slows down writing a lot. The reason why UDF needed to do IO in udf_clear_inode is that UDF standard mandates extent length to exactly match inode size. But when we allocate extents to a file or directory, we don't really know what exactly the final file size will be and thus temporarily set it to block boundary and later truncate it to exact length in udf_clear_inode. Now, this is changed to truncate to final file size in udf_release_file for regular files. For directories and symlinks, we do the truncation at the moment when learn what the final file size will be. Signed-off-by: Jan Kara <jack@suse.cz>
2009-12-14udf: Try harder when looking for VAT inodeJan Kara1-8/+24
Some disks do not contain VAT inode in the last recorded block as required by the standard but a few blocks earlier (or the number of recorded blocks is wrong). So look for the VAT inode a bit before the end of the media. Signed-off-by: Jan Kara <jack@suse.cz>
2009-12-14udf: Fix compilation with UDFFS_DEBUG enabledJan Kara1-1/+1
Signed-off-by: Jan Kara <jack@suse.cz>
2009-12-14Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds27-119/+192
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, mce: Clean up thermal init by introducing intel_thermal_supported() x86, mce: Thermal monitoring depends on APIC being enabled x86: Gart: fix breakage due to IOMMU initialization cleanup x86: Move swiotlb initialization before dma32_free_bootmem x86: Fix build warning in arch/x86/mm/mmio-mod.c x86: Remove usedac in feature-removal-schedule.txt x86: Fix duplicated UV BAU interrupt vector nvram: Fix write beyond end condition; prove to gcc copy is safe mm: Adjust do_pages_stat() so gcc can see copy_from_user() is safe x86: Limit the number of processor bootup messages x86: Remove enabling x2apic message for every CPU doc: Add documentation for bootloader_{type,version} x86, msr: Add support for non-contiguous cpumasks x86: Use find_e820() instead of hard coded trampoline address x86, AMD: Fix stale cpuid4_info shared_map data in shared_cpu_map cpumasks Trivial percpu-naming-introduced conflicts in arch/x86/kernel/cpu/intel_cacheinfo.c
2009-12-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6Linus Torvalds26-402/+499
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: pcmcia: CodingStyle fixes pcmcia: remove unused IRQ_FIRST_SHARED
2009-12-14Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds19-229/+2484
* 'next-spi' of git://git.secretlab.ca/git/linux-2.6: (23 commits) spi: fix probe/remove section markings Add OMAP spi100k driver spi-imx: don't access struct device directly but use dev_get_platdata spi-imx: Add mx25 support spi-imx: use positive logic to distinguish cpu variants spi-imx: correct check for platform_get_irq failing ARM: NUC900: Add spi driver support for nuc900 spi: SuperH MSIOF SPI Master driver V2 spi: fix spidev compilation failure when VERBOSE is defined spi/au1550_spi: fix setupxfer not to override cfg with zeros spi/mpc8xxx: don't use __exit_p to wrap plat_mpc8xxx_spi_remove spi/i.MX: fix broken error handling for gpio_request spi/i.mx: drain MXC SPI transfer buffer when probing device MAINTAINERS: add SPI co-maintainer. spi/xilinx_spi: fix incorrect casting spi/mpc52xx-spi: minor cleanups xilinx_spi: add a platform driver using the xilinx_spi common module. xilinx_spi: add support for the DS570 IP. xilinx_spi: Switch to iomem functions and support little endian. xilinx_spi: Split into of driver and generic part. ...
2009-12-14Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds31-353/+651
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf sched: Fix build failure on sparc perf bench: Add "all" pseudo subsystem and "all" pseudo suite perf tools: Introduce perf_session class perf symbols: Ditch dso->find_symbol perf symbols: Allow lookups by symbol name too perf symbols: Add missing "Variables" entry to map_type__name perf symbols: Add support for 'variable' symtabs perf symbols: Introduce ELF counterparts to symbol_type__is_a perf symbols: Introduce symbol_type__is_a perf symbols: Rename kthreads to kmaps, using another abstraction for it perf tools: Allow building for ARM hw-breakpoints: Handle bad modify_user_hw_breakpoint off-case return value perf tools: Allow cross compiling tracing, slab: Fix no callsite ifndef CONFIG_KMEMTRACE tracing, slab: Define kmem_cache_alloc_notrace ifdef CONFIG_TRACING Trivial conflict due to different fixes to modify_user_hw_breakpoint() in include/linux/hw_breakpoint.h
2009-12-14PCI: Global variable decls must match the defs in section attributesDavid Howells1-1/+1
Global variable declarations must match the definitions in section attributes as the compiler is at liberty to vary the method it uses to access a variable, depending on the section it is in. When building the FRV arch, I now see: drivers/built-in.o: In function `pci_apply_final_quirks': drivers/pci/quirks.c:2606: relocation truncated to fit: R_FRV_GPREL12 against symbol `pci_dfl_cache_line_size' defined in .devinit.data section in drivers/built-in.o drivers/pci/quirks.c:2623: relocation truncated to fit: R_FRV_GPREL12 against symbol `pci_dfl_cache_line_size' defined in .devinit.data section in drivers/built-in.o drivers/pci/quirks.c:2630: relocation truncated to fit: R_FRV_GPREL12 against symbol `pci_dfl_cache_line_size' defined in .devinit.data section in drivers/built-in.o because the declaration of pci_dfl_cache_line_size in linux/pci.h does not match the definition in drivers/pci/pci.c. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-14FRV: Fix no-hardware-breakpoint caseDavid Howells1-1/+1
If there is no hardware breakpoint support, modify_user_hw_breakpoint() tries to return a NULL pointer through as an 'int' return value: In file included from kernel/exit.c:53: include/linux/hw_breakpoint.h: In function 'modify_user_hw_breakpoint': include/linux/hw_breakpoint.h:96: warning: return makes integer from pointer without a cast Return 0 instead. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-14Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds50-484/+1686
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (46 commits) microblaze: Remove rt_sigsuspend wrapper microblaze: nommu: Don't clobber R11 on syscalls microblaze: Remove show_tmem function microblaze: Support for WB cache microblaze: Add PVR for Microblaze v7.30.a microblaze: Remove ancient and fake microblaze version from cpu_ver table microblaze: Remove panic_timeout init value microblaze: Do not count system calls in default microblaze: Enable DTC compilation microblaze: Core oprofile configs and hooks microblaze: Fix level interrupt ACKing microblaze: Enable futimesat syscall microblaze: Checking DTS against PVR for write-back cache microblaze: Remove duplicity from pgalloc.h microblaze: Futex support microblaze: Adding dev_arch_data functions microblaze: Fix the heartbeat gpio to be more robust microblaze: Simple __copy_tofrom_user for noMMU microblaze: Export memory_start for modules microblaze: Use lowest-common-denominator default CPU settings ...
2009-12-14Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds17-315/+1146
* 'for-linus' of git://neil.brown.name/md: (27 commits) md: add 'recovery_start' per-device sysfs attribute md: rcu_read_lock() walk of mddev->disks in md_do_sync() md: integrate spares into array at earliest opportunity. md: move compat_ioctl handling into md.c md: revise Kconfig help for MD_MULTIPATH md: add MODULE_DESCRIPTION for all md related modules. raid: improve MD/raid10 handling of correctable read errors. md/raid10: print more useful messages on device failure. md/bitmap: update dirty flag when bitmap bits are explicitly set. md: Support write-intent bitmaps with externally managed metadata. md/bitmap: move setting of daemon_lastrun out of bitmap_read_sb md: support updating bitmap parameters via sysfs. md: factor out parsing of fixed-point numbers md: support bitmap offset appropriate for external-metadata arrays. md: remove needless setting of thread->timeout in raid10_quiesce md: change daemon_sleep to be in 'jiffies' rather than 'seconds'. md: move offset, daemon_sleep and chunksize out of bitmap structure md: collect bitmap-specific fields into one structure. md/raid1: add takeover support for raid5->raid1 md: add honouring of suspend_{lo,hi} to raid1. ...
2009-12-14Merge branch 'for-next' of ↵Linus Torvalds69-2102/+5204
git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (58 commits) mfd: Add twl6030 regulator subdevices regulator: Add support for twl6030 regulators rtc: Add twl6030 RTC support mfd: Add support for twl6030 irq framework mfd: Rename twl4030_ routines in twl-regulator.c mfd: Rename twl4030_ routines in rtc-twl.c mfd: Rename all twl4030_i2c* mfd: Rename twl4030* driver files to enable re-use mfd: Clarify twl4030 return value for read and write mfd: Add all twl4030 regulators to the twl4030 mfd driver mfd: Don't set mc13783 ADREFMODE for touch conversions mfd: Remove ezx-pcap defines for custom led gpio encoding mfd: Near complete mc13783 rewrite mfd: Remove build time warning for WM835x register default tables mfd: Force I2C to be built in when building WM831x mfd: Don't allow wm831x to be built as a module mfd: Fix incorrect error check for wm8350-core mfd: Fix twl4030 warning gpiolib: Implement gpio_to_irq() for wm831x mfd: Remove default selection of AB4500 ...
2009-12-14Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds33-132/+3275
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: ARM: fix lh7a40x build ARM: fix sa1100 build ARM: fix clps711x, footbridge, integrator, ixp2000, ixp2300 and s3c build bug ARM: VFP: fix vfp thread init bug and document vfp notifier entry conditions ARM: pxa: fix now incorrect reference of skt->irq by using skt->socket.pci_irq [ARM] pxa/zeus: default configuration for Arcom Zeus SBC. [ARM] pxa/zeus: make Viper pcmcia support more generic to support Zeus [ARM] pxa/zeus: basic support for Arcom Zeus SBC [ARM] pxa/em-x270: fix usb hub power up/reset sequence PCMCIA: fix pxa2xx_lubbock modular build error ARM: RealView: Fix typo in the RealView/PBX Kconfig entry ARM: Do not allow the probing of the local timer ARM: Add an earlyprintk debug console
2009-12-14Merge git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds30-469/+1078
* git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (75 commits) NFS: Fix nfs_migrate_page() rpc: remove unneeded function parameter in gss_add_msg() nfs41: Invoke RECLAIM_COMPLETE on all new client ids SUNRPC: IS_ERR/PTR_ERR confusion NFSv41: Fix a potential state leakage when restarting nfs4_close_prepare nfs41: Handle NFSv4.1 session errors in the delegation recall code nfs41: Retry delegation return if it failed with session error nfs41: Handle session errors during delegation return nfs41: Mark stateids in need of reclaim if state manager gets stale clientid NFS: Fix up the declaration of nfs4_restart_rpc when NFSv4 not configured nfs41: Don't clear DRAINING flag on NFS4ERR_STALE_CLIENTID nfs41: nfs41_setup_state_renewal NFSv41: More cleanups NFSv41: Fix up some bugs in the NFS4CLNT_SESSION_DRAINING code NFSv41: Clean up slot table management NFSv41: Fix nfs4_proc_create_session nfs41: Invoke RECLAIM_COMPLETE nfs41: RECLAIM_COMPLETE functionality nfs41: RECLAIM_COMPLETE XDR functionality Cleanup some NFSv4 XDR decode comments ...
2009-12-14Merge branch 'for-linus' of ↵Linus Torvalds79-978/+1222
git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (34 commits) m68k: rename global variable vmalloc_end to m68k_vmalloc_end percpu: add missing per_cpu_ptr_to_phys() definition for UP percpu: Fix kdump failure if booted with percpu_alloc=page percpu: make misc percpu symbols unique percpu: make percpu symbols in ia64 unique percpu: make percpu symbols in powerpc unique percpu: make percpu symbols in x86 unique percpu: make percpu symbols in xen unique percpu: make percpu symbols in cpufreq unique percpu: make percpu symbols in oprofile unique percpu: make percpu symbols in tracer unique percpu: make percpu symbols under kernel/ and mm/ unique percpu: remove some sparse warnings percpu: make alloc_percpu() handle array types vmalloc: fix use of non-existent percpu variable in put_cpu_var() this_cpu: Use this_cpu_xx in trace_functions_graph.c this_cpu: Use this_cpu_xx for ftrace this_cpu: Use this_cpu_xx in nmi handling this_cpu: Use this_cpu operations in RCU this_cpu: Use this_cpu ops for VM statistics ... Fix up trivial (famous last words) global per-cpu naming conflicts in arch/x86/kvm/svm.c mm/slab.c
2009-12-14Documentation: rw_lock lessons learnedWilliam Allen Simpson1-100/+84
In recent months, two different network projects erroneously strayed down the rw_lock path. Update the Documentation based upon comments by Eric Dumazet and Paul E. McKenney in those threads. Further updates await somebody else with more expertise. Changes: - Merged with extensive content by Stephen Hemminger. - Fix one of the comments by Linus Torvalds. Signed-off-by: William.Allen.Simpson@gmail.com Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-14x86, mce: Clean up thermal init by introducing intel_thermal_supported()Hidetoshi Seto1-5/+12
It looks better to have a common function. No change in functionality. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> LKML-Reference: <4B25FDDC.407@jp.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Cyrill Gorcunov <gorcunov@openvz.org>
2009-12-14x86, mce: Thermal monitoring depends on APIC being enabledCyrill Gorcunov1-2/+3
Add check if APIC is not disabled since thermal monitoring depends on it. As only apic gets disabled we should not try to install "thermal monitor" vector, print out that thermal monitoring is enabled and etc... Note that "Intel Correct Machine Check Interrupts" already has such a check. Also I decided to not add cpu_has_apic check into mcheck_intel_therm_init since even if it'll call apic_read on disabled apic -- it's safe here and allow us to save a few code bytes. Reported-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> LKML-Reference: <4B25FDC2.3020401@jp.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-14perf sched: Fix build failure on sparcDavid Miller2-4/+8
Here, tvec->tv_usec is "unsigned int" not "unsigned long". Since the type is different on every platform, it's probably best to just use long printf formats and cast. Signed-off-by: David S. Miller <davem@davemloft.net> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <20091213.235622.53363059.davem@davemloft.net> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-14x86: Gart: fix breakage due to IOMMU initialization cleanupYinghai Lu2-6/+8
This fixes the following breakage of the commit 75f1cdf1dda92cae037ec848ae63690d91913eac: - GART systems that don't AGP with broken BIOS and more than 4GB memory are forced to use swiotlb. They can allocate aperture by hand and use GART. - GART systems without GAP must disable GART on shutdown. - swiotlb usage is forced by the boot option, gart_iommu_hole_init() is not called, so we disable GART early_gart_iommu_check(). Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> LKML-Reference: <1260759135-6450-3-git-send-email-fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-14x86: Move swiotlb initialization before dma32_free_bootmemFUJITA Tomonori1-1/+4
The commit 75f1cdf1dda92cae037ec848ae63690d91913eac introduced a bug that we initialize SWIOTLB right after dma32_free_bootmem so we wrongly steal memory area allocated for GART with broken BIOS earlier. This moves swiotlb initialization before dma32_free_bootmem(). Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: yinghai@kernel.org LKML-Reference: <1260759135-6450-2-git-send-email-fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-14x86: Fix build warning in arch/x86/mm/mmio-mod.cJoe Perches1-1/+1
Stephen Rothwell reported these warnings: arch/x86/mm/mmio-mod.c: In function 'print_pte': arch/x86/mm/mmio-mod.c:100: warning: too many arguments for format arch/x86/mm/mmio-mod.c:106: warning: too many arguments for format The 'fmt' was left out accidentally. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Joe Perches <joe@perches.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Linus <torvalds@linux-foundation.org> LKML-Reference: <1260775443.18538.16.camel@Joe-Laptop.home> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-14x86: Remove usedac in feature-removal-schedule.txtFUJITA Tomonori1-7/+0
The reason of removal, "replaced by allowdac and no dac combination" is incorrect. There is no way to do the same thing with "allowdac" and "nodac" combination. The usedac option enables us to stop via_no_dac() setting forbid_dac to 1. That is, someone who uses VIA bridges can use DAC with this option even if some of VIA bridges seem to be broken about DAC. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: WANG Cong <amwang@redhat.com> Cc: gcosta@redhat.com LKML-Reference: <20091214104423X.fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-14perf bench: Add "all" pseudo subsystem and "all" pseudo suiteHitoshi Mitake3-7/+57
This patch adds a new "all" pseudo subsystem and an "all" pseudo suite. These are for testing all subsystem and its all suite, or all suite of one subsystem. (This patch also contains a few trivial comment fixes for bench/* and output style fixes. I judged that there are no necessity to make them into individual patch.) Example of use: | % ./perf bench sched all # Test all suites of sched subsystem | # Running sched/messaging benchmark... | # 20 sender and receiver processes per group | # 10 groups == 400 processes run | | Total time: 0.414 [sec] | | # Running sched/pipe benchmark... | # Extecuted 1000000 pipe operations between two tasks | | Total time: 10.999 [sec] | | 10.999317 usecs/op | 90914 ops/sec | | % ./perf bench all # Test all suites of all subsystems | # Running sched/messaging benchmark... | # 20 sender and receiver processes per group | # 10 groups == 400 processes run | | Total time: 0.420 [sec] | | # Running sched/pipe benchmark... | # Extecuted 1000000 pipe operations between two tasks | | Total time: 11.741 [sec] | | 11.741346 usecs/op | 85169 ops/sec | | # Running mem/memcpy benchmark... | # Copying 1MB Bytes from 0x7ff33e920010 to 0x7ff3401ae010 ... | | 808.407437 MB/Sec Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <1260691319-4683-1-git-send-email-mitake@dcl.info.waseda.ac.jp> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-14microblaze: Remove rt_sigsuspend wrapperMichal Simek3-13/+1
Generic rt_sigsuspend syscalls doesn't need any asm wrapper. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: nommu: Don't clobber R11 on syscallssteve@digidescorp.com1-2/+0
The noMMU syscall trap has a bug that causes R11 to be zero on return to userland. Remove the extra "save" of R11 responsible for the bug. Remove reloading of mode indicator because r11 already contains it. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Remove show_tmem functionMichal Simek1-10/+0
show_tmem function do nothing that's why I removed it. There is also cleaning of commented ancient code. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Support for WB cacheMichal Simek4-268/+574
Microblaze version 7.20.d is the first MB version which can be run on MMU linux. Please do not used previous version because they contain HW bug. Based on WB support was necessary to redesign whole cache design. Microblaze versions from 7.20.a don't need to disable IRQ and cache before working with them that's why there are special structures for it. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Add PVR for Microblaze v7.30.aMichal Simek1-0/+1
Microblaze v7.30.a will have 0x10 version string. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Remove ancient and fake microblaze version from cpu_ver tableMichal Simek1-5/+0
We need to continue with next microblaze PVR version that's why I have to remove that ancient version. These version strings not match any versions. From Microblaze v5.00.a is possible to use this style. I believe that none use ancients versions. If yes they will be just labeled as unknown version. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Remove panic_timeout init valueMichal Simek1-2/+0
panic_timeout is in BSS section and it is cleared with BSS section. This means that value is setup to 0. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Do not count system calls in defaultMichal Simek1-0/+4
There is not necessary to count system calls that's why I added DEBUG macro Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Enable DTC compilationMichal Simek1-0/+3
For simpleImage format we need to compile DTC. There is still possibility to compile only Linux kernel without DTB compiled-in. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Core oprofile configs and hooksJohn Williams4-0/+39
Microblaze uses timer interrupt mode. Microblaze don't have any performance counter that's why we use just simple implementation. Signed-off-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Fix level interrupt ACKingsteve@digidescorp.com1-1/+9
Level interrupts need to be ack'd in the unmask handler, as in powerpc. Among other issues, this bug causes the system clock to appear to run at double-speed. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Enable futimesat syscallMichal Simek1-1/+1
Futimesat was disabled. LTP testing shows that MB has no problem with this syscall. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Checking DTS against PVR for write-back cacheMichal Simek2-12/+29
WB cache has special flag in PVR. There is added checking mechanism for PVR and DTS. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Remove duplicity from pgalloc.hMichal Simek1-6/+3
just file cleanup Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Futex supportMichal Simek1-1/+126
Microblaze v7.20 provides new lwx, swx instructions which bring possibility to implement lock rutines. There are some tests in open posix thread LTP part but current toolchain not support it. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Adding dev_arch_data functionsMichal Simek1-0/+12
The functions, dev_arch_data_set_node and get_node are missing and are needed by some device drivers such as I2C. Signed-off-by: John Linn <john.linn@xilinx.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Fix the heartbeat gpio to be more robustJohn Linn1-5/+10
The device tree handling for the gpio in the heart beat was not handling the system when there was no gpio and it wasn't working with a newer version of the gpio core which does not have the is-bidir property. Signed-off-by: John Linn <john.linn@xilinx.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Simple __copy_tofrom_user for noMMUJohn Williams2-6/+13
This is first patch which clear part of uaccess.h. uaccess.h will be clear later. Signed-off-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Export memory_start for modulesMichal Simek1-0/+1
memory_start symbol is needed by kernel modules. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Use lowest-common-denominator default CPU settingsJohn Williams1-6/+6
This will ensure that kernels built with no custom CPU settings will still boot OK on hardware that has additional CPU hardware instructions etc. Signed-off-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Update default generic DTSMichal Simek1-3/+7
It is generated with longer compatible list Signed-off-by: Michal Simek <monstr@monstr.eu>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 09:46:02 +0000