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* perf_counter: Simplify and fix task migration countingPeter Zijlstra2009-06-19
| | | | | | | | | | | | | | | | | | | | | | | | | The task migrations counter was causing rare and hard to decypher memory corruptions under load. After a day of debugging and bisection we found that the problem was introduced with: 3f731ca: perf_counter: Fix cpu migration counter Turning them off fixes the crashes. Incidentally, the whole perf_counter_task_migration() logic can be done simpler as well, by injecting a proper sw-counter event. This cleanup also fixed the crashes. The precise failure mode is not completely clear yet, but we are clearly not unhappy about having a fix ;-) Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Add a data file headerPeter Zijlstra2009-06-19
| | | | | | | | Add a data file header so we can transfer data between record and report. LKML-Reference: <new-submission> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: Update userspace callchain sampling usesPeter Zijlstra2009-06-19
| | | | | | | | Update the tools to reflect the new callchain sampling format. LKML-Reference: <new-submission> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: Make callchain samples extensiblePeter Zijlstra2009-06-19
| | | | | | | | | | | | | | | | Before exposing upstream tools to a callchain-samples ABI, tidy it up to make it more extensible in the future: Use markers in the IP chain to denote context, use (u64)-1..-4095 range for these context markers because we use them for ERR_PTR(), so these addresses are unlikely to be mapped. Signed-off-by: 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> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf report: Filter to parent set by defaultIngo Molnar2009-06-18
| | | | | | | | | | | | | | | Make it easier to use parent filtering - default to a filtered output. Also add the parent column so that we get collapsing but dont display it by default. add --no-exclude-other to override this. 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> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Handle lost eventsPeter Zijlstra2009-06-18
| | | | | | | | | | | | | Make use of the new ->data_tail mechanism to tell kernel-space about user-space draining the data stream. Emit lost events (and display them) if they happen. Signed-off-by: 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> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: Add event overlow handlingPeter Zijlstra2009-06-18
| | | | | | | | | | | | | | | | | | | | | Alternative method of mmap() data output handling that provides better overflow management and a more reliable data stream. Unlike the previous method, that didn't have any user->kernel feedback and relied on userspace keeping up, this method relies on userspace writing its last read position into the control page. It will ensure new output doesn't overwrite not-yet read events, new events for which there is no space left are lost and the overflow counter is incremented, providing exact event loss numbers. Signed-off-by: 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> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* fs: Provide empty .set_page_dirty() aop for anon inodesPeter Zijlstra2009-06-18
| | | | | | | | | | | | | | .set_page_dirty() is one of those a_ops that defaults to the buffer implementation when not set. Therefore provide a dummy function to make it do nothing. (Uncovered by perfcounters fd's which can now be writable-mmap-ed.) Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Davide Libenzi <davidel@xmailserver.org> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: tools: Makefile tweaks for 64-bit powerpcPaul Mackerras2009-06-18
| | | | | | | | | | | | | | On 64-bit powerpc, perf needs to be built as a 64-bit executable. This arranges to add the -m64 flag to CFLAGS if we are running on a 64-bit machine, indicated by the result of uname -m ending in "64". This means that we'll use -m64 on x86_64 machines as well. Signed-off-by: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: linuxppc-dev@ozlabs.org Cc: benh@kernel.crashing.org LKML-Reference: <19000.55666.866148.559620@cargo.ozlabs.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: powerpc: Add processor back-end for MPC7450 familyPaul Mackerras2009-06-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for the performance monitor hardware on the MPC7450 family of processors (7450, 7451, 7455, 7447/7457, 7447A, 7448), used in the later Apple G4 powermacs/powerbooks and other machines. These machines have 6 hardware counters with a unique set of events which can be counted on each counter, with some events being available on multiple counters. Raw event codes for these processors are (PMC << 8) + PMCSEL. If PMC is non-zero then the event is that selected by the given PMCSEL value for that PMC (hardware counter). If PMC is zero then the event selected is one of the low-numbered ones that are common to several PMCs. In this case PMCSEL must be <= 22 and the event is what that PMCSEL value would select on PMC1 (but it may be placed any other PMC that has the same event for that PMCSEL value). For events that count cycles or occurrences that exceed a threshold, the threshold requested can be specified in the 0x3f000 bits of the raw event codes. If the event uses the threshold multiplier bit and that bit should be set, that is indicated with the 0x40000 bit of the raw event code. This fills in some of the generic cache events. Unfortunately there are quite a few blank spaces in the table, partly because these processors tend to count cache hits rather than cache accesses. Signed-off-by: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: linuxppc-dev@ozlabs.org Cc: benh@kernel.crashing.org LKML-Reference: <19000.55631.802122.696927@cargo.ozlabs.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: powerpc: Make powerpc perf_counter code safe for 32-bit kernelsPaul Mackerras2009-06-18
| | | | | | | | | | | | | | | | | | | | | | | | | This abstracts a few things in arch/powerpc/kernel/perf_counter.c that are specific to 64-bit kernels, and provides definitions for 32-bit kernels. In particular, * Only 64-bit has MMCRA and the bits in it that give information about a PMU interrupt (sampled PR, HV, slot number etc.) * Only 64-bit has the lppaca and the lppaca->pmcregs_in_use field * Use of SDAR is confined to 64-bit for now * Only 64-bit has soft/lazy interrupt disable and therefore pseudo-NMIs (interrupts that occur while interrupts are soft-disabled) * Only 64-bit has PMC7 and PMC8 * Only 64-bit has the MSR_HV bit. This also fixes the types used in a couple of places, where we were using long types for things that need to be 64-bit. Signed-off-by: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: linuxppc-dev@ozlabs.org Cc: benh@kernel.crashing.org LKML-Reference: <19000.55590.634126.876084@cargo.ozlabs.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: powerpc: Change how processor-specific back-ends get selectedPaul Mackerras2009-06-18
| | | | | | | | | | | | | | | | | | | | | | | | | | At present, the powerpc generic (processor-independent) perf_counter code has list of processor back-end modules, and at initialization, it looks at the PVR (processor version register) and has a switch statement to select a suitable processor-specific back-end. This is going to become inconvenient as we add more processor-specific back-ends, so this inverts the order: now each back-end checks whether it applies to the current processor, and registers itself if so. Furthermore, instead of looking at the PVR, back-ends now check the cur_cpu_spec->oprofile_cpu_type string and match on that. Lastly, each back-end now specifies a name for itself so the core can print a nice message when a back-end registers itself. This doesn't provide any support for unregistering back-ends, but that wouldn't be hard to do and would allow back-ends to be modules. Signed-off-by: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: linuxppc-dev@ozlabs.org Cc: benh@kernel.crashing.org LKML-Reference: <19000.55529.762227.518531@cargo.ozlabs.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: powerpc: Use unsigned long for register and constraint valuesPaul Mackerras2009-06-18
| | | | | | | | | | | | | | | | | | | | | | | | This changes the powerpc perf_counter back-end to use unsigned long types for hardware register values and for the value/mask pairs used in checking whether a given set of events fit within the hardware constraints. This is in preparation for adding support for the PMU on some 32-bit powerpc processors. On 32-bit processors the hardware registers are only 32 bits wide, and the PMU structure is generally simpler, so 32 bits should be ample for expressing the hardware constraints. On 64-bit processors, unsigned long is 64 bits wide, so using unsigned long vs. u64 (unsigned long long) makes no actual difference. This makes some other very minor changes: adjusting whitespace to line things up in initialized structures, and simplifying some code in hw_perf_disable(). Signed-off-by: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: linuxppc-dev@ozlabs.org Cc: benh@kernel.crashing.org LKML-Reference: <19000.55473.26174.331511@cargo.ozlabs.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: powerpc: Enable use of software counters on 32-bit powerpcPaul Mackerras2009-06-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This enables the perf_counter subsystem on 32-bit powerpc. Since we don't have any support for hardware counters on 32-bit powerpc yet, only software counters can be used. Besides selecting HAVE_PERF_COUNTERS for 32-bit powerpc as well as 64-bit, the main thing this does is add an implementation of set_perf_counter_pending(). This needs to arrange for perf_counter_do_pending() to be called when interrupts are enabled. Rather than add code to local_irq_restore as 64-bit does, the 32-bit set_perf_counter_pending() generates an interrupt by setting the decrementer to 1 so that a decrementer interrupt will become pending in 1 or 2 timebase ticks (if a decrementer interrupt isn't already pending). When interrupts are enabled, timer_interrupt() will be called, and some new code in there calls perf_counter_do_pending(). We use a per-cpu array of flags to indicate whether we need to call perf_counter_do_pending() or not. This introduces a couple of new Kconfig symbols: PPC_HAVE_PMU_SUPPORT, which is selected by processor families for which we have hardware PMU support (currently only PPC64), and PPC_PERF_CTRS, which enables the powerpc-specific perf_counter back-end. Signed-off-by: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: linuxppc-dev@ozlabs.org Cc: benh@kernel.crashing.org LKML-Reference: <19000.55404.103840.393470@cargo.ozlabs.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Add and use isprint()Peter Zijlstra2009-06-18
| | | | | | | | | | | | | | Introduce isprint() to print out raw event dumps to ASCII, etc. (This is an extension to upstream Git's ctype.c.) Signed-off-by: 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> LKML-Reference: <new-submission> [ removed openssl.h inclusion from util.h - it leaked ctype.h ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf report: Add validation of call-chain entriesIngo Molnar2009-06-18
| | | | | | | | | | | | Add boundary checks for call-chain events. In case of corrupted entries we could crash otherwise. 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> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf report: Tidy up the "--parent <regex>" and "--sort parent" call-chain ↵Ingo Molnar2009-06-18
| | | | | | | | | | | | | | | | | | | | | | | | features Instead of the ambigious 'call' naming use the much more specific 'parent' naming: - rename --call <regex> to --parent <regex> - rename --sort call to --sort parent - rename [unmatched] to [other] - to signal that this is not an error but the inverse set Also add pagefaults to the default parent-symbol pattern too, as it's a 'syscall overhead category' in a sense. 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> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Replace isprint() with issane()Peter Zijlstra2009-06-17
| | | | | | | | | | | | | | | The Git utils came with a ctype replacement that doesn't provide isprint(). Add a replacement. Solves a build bug on certain distros. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> 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> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: x86: Set the period in the intel overflow handlerPeter Zijlstra2009-06-17
| | | | | | | | | | | | | | | Commit 9e350de37ac960 ("perf_counter: Accurate period data") missed a spot, which caused all Intel-PMU samples to have a period of 0. This broke auto-freq sampling. Signed-off-by: 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> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf report: Add --sort <call> --call <$regex>Peter Zijlstra2009-06-17
| | | | | | | | | | | | | | Implement sorting by callchain symbols, --sort <call>. It will create a new column which will show a match to --call $regex or "[unmatched]". Signed-off-by: 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> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Merge branch 'linus' into perfcounters/coreIngo Molnar2009-06-17
|\ | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/x86/include/asm/kmap_types.h include/linux/mm.h include/asm-generic/kmap_types.h Merge reason: We crossed changes with kmap_types.h cleanups in mainline. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * Merge branch 'next-i2c' of git://aeryn.fluff.org.uk/bjdooks/linuxLinus Torvalds2009-06-17
| |\ | | | | | | | | | | | | | | | | | | | | | | | | * 'next-i2c' of git://aeryn.fluff.org.uk/bjdooks/linux: i2c-stu300: Make driver depend on MACH_U300 i2c-s3c2410: use resource_size() i2c: Use resource_size macro i2c: ST DDC I2C U300 bus driver v3 i2c-bfin-twi: pull in io.h for ioremap()
| | * i2c-stu300: Make driver depend on MACH_U300Linus Walleij2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This makes the stu300 driver for the ST Micro ST DDC I2C bus driver depend on MACH_U300, new platforms reusing this I2C driver will need to add in a similar dependency. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> [ben-linux@fluff.org: re-aranged subject line] Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * i2c-s3c2410: use resource_size()Ben Dooks2009-06-16
| | | | | | | | | | | | | | | | | | | | | Change the usage of res->end-res->start to resource_size(), missed by the last patch to change this. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * i2c: Use resource_size macroLinus Walleij2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This replace all instances in the i2c busses tree of res->end - res->start + 1 with the handy macro resource_size(res) from ioport.h (coming in from platform_device.h). This was created with a simple sed -i -e 's/\([a-z]*\)->end *- *[a-z]*->start *+ *1/resource_size(\1)/g' Then manually replacing the PXA redefiniton of the same kind of macro manually. Recompiled some ARM defconfigs I could find to make a rough test so it shouldn't break anything, though I couldn't see exactly which configs you need for all the drivers. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * i2c: ST DDC I2C U300 bus driver v3Linus Walleij2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for the ST Microelectronics DDC I2C bus driver. This bus is used in the U300 architecture recently added to RMK:s ARM tree. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Reviewed-by: Ben Dooks <ben-linux@fluff.org> Reviewed-by: Jean Delvare <khali@linus-fr.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * i2c-bfin-twi: pull in io.h for ioremap()Mike Frysinger2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | Rather than relying on some of the headers implicitly pulling in io.h, pull it in explicitly our self for ioremap() and friends. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | Merge branch 'drm-linus' of ↵Linus Torvalds2009-06-17
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon: switch to using late_initcall radeon legacy chips: tv dac bg/dac adj updates drm/radeon: introduce kernel modesetting for radeon hardware drm: Add the TTM GPU memory manager subsystem. drm: Memory fragmentation from lost alignment blocks drm/radeon: fix mobility flags on new PCI IDs.
| | * | drm/radeon: switch to using late_initcallDave Airlie2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes an issue where we get inited before fbcon when built-in. Ideally this should work as a non late_initcall, but this fixes it for now. We also don't suggest people build this in (at least distro maintainers). Reported-by: Ryan Hope <rmh3093@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| | * | radeon legacy chips: tv dac bg/dac adj updatesAlex Deucher2009-06-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | COMBIOS - fallback to table values if there are no tv dac or lvds bios tables ATOMBIOS - add support for looking up these values from the bios table Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| | * | drm/radeon: introduce kernel modesetting for radeon hardwareJerome Glisse2009-06-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add kernel modesetting support to radeon driver, use the ttm memory manager to manage memory and DRM/GEM to provide userspace API. In order to avoid backward compatibility issue and to allow clean design and code the radeon kernel modesetting use different code path than old radeon/drm driver. When kernel modesetting is enabled the IOCTL of radeon/drm driver are considered as invalid and an error message is printed in the log and they return failure. KMS enabled userspace will use new API to talk with the radeon/drm driver. The new API provide functions to create/destroy/share/mmap buffer object which are then managed by the kernel memory manager (here TTM). In order to submit command to the GPU the userspace provide a buffer holding the command stream, along this buffer userspace have to provide a list of buffer object used by the command stream. The kernel radeon driver will then place buffer in GPU accessible memory and will update command stream to reflect the position of the different buffers. The kernel will also perform security check on command stream provided by the user, we want to catch and forbid any illegal use of the GPU such as DMA into random system memory or into memory not owned by the process supplying the command stream. This part of the code is still incomplete and this why we propose that patch as a staging driver addition, future security might forbid current experimental userspace to run. This code support the following hardware : R1XX,R2XX,R3XX,R4XX,R5XX (radeon up to X1950). Works is underway to provide support for R6XX, R7XX and newer hardware (radeon from HD2XXX to HD4XXX). Authors: Jerome Glisse <jglisse@redhat.com> Dave Airlie <airlied@redhat.com> Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| | * | drm: Add the TTM GPU memory manager subsystem.Thomas Hellstrom2009-06-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | TTM is a GPU memory manager subsystem designed for use with GPU devices with various memory types (On-card VRAM, AGP, PCI apertures etc.). It's essentially a helper library that assists the DRM driver in creating and managing persistent buffer objects. TTM manages placement of data and CPU map setup and teardown on data movement. It can also optionally manage synchronization of data on a per-buffer-object level. TTM takes care to provide an always valid virtual user-space address to a buffer object which makes user-space sub-allocation of big buffer objects feasible. TTM uses a fine-grained per buffer-object locking scheme, taking care to release all relevant locks when waiting for the GPU. Although this implies some locking overhead, it's probably a big win for devices with multiple command submission mechanisms, since the lock contention will be minimal. TTM can be used with whatever user-space interface the driver chooses, including GEM. It's used by the upcoming Radeon KMS DRM driver and is also the GPU memory management core of various new experimental DRM drivers. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| | * | drm: Memory fragmentation from lost alignment blocksChris Wilson2009-06-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the block needs an alignment but otherwise fits exactly into the tail, then the split-off block from the start would remain marked as non-free. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| | * | drm/radeon: fix mobility flags on new PCI IDs.Dave Airlie2009-06-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | These aren't used that much on r600, but may be needed in the future, so get them correct now. Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | AFS: Correctly translate auth error aborts and don't failover in such casesDavid Howells2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Authentication error abort codes should be translated to appropriate Linux error codes, rather than all being translated to EREMOTEIO - which indicates that the server had internal problems. Additionally, a server shouldn't be marked unavailable and the next server tried if an authentication error occurs. This will quickly make all the servers unavailable to the client. Instead the error should be returned straight to the user. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | RxRPC: Don't attempt to reuse aborted connectionsDavid Howells2009-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Connections that have seen a connection-level abort should not be reused as the far end will just abort them again; instead a new connection should be made. Connection-level aborts occur due to such things as authentication failures. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | Merge branch 'for_linus' of ↵Linus Torvalds2009-06-17
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (425 commits) V4L/DVB (11870): gspca - main: VIDIOC_ENUM_FRAMESIZES ioctl added. V4L/DVB (12004): poll method lose race condition V4L/DVB (11894): flexcop-pci: dmesg visible names broken V4L/DVB (11892): Siano: smsendian - declare function as extern V4L/DVB (11891): Siano: smscore - bind the GPIO SMS protocol V4L/DVB (11890): Siano: smscore - remove redundant code V4L/DVB (11889): Siano: smsdvb - add DVB v3 events V4L/DVB (11888): Siano: smsusb - remove redundant ifdef V4L/DVB (11887): Siano: smscards - add board (target) events V4L/DVB (11886): Siano: smscore - fix some new GPIO definitions names V4L/DVB (11885): Siano: Add new GPIO management interface V4L/DVB (11884): Siano: smssdio - revert to stand alone module V4L/DVB (11883): Siano: cards - add two additional (USB) devices V4L/DVB (11824): Siano: smsusb - change exit func debug msg V4L/DVB (11823): Siano: smsusb - fix typo in module description V4L/DVB (11822): Siano: smscore - bug fix at get_device_mode V4L/DVB (11821): Siano: smscore - fix isdb-t firmware name V4L/DVB (11820): Siano: smscore - fix byte ordering bug V4L/DVB (11819): Siano: smscore - fix get_common_buffer bug V4L/DVB (11818): Siano: smscards - assign gpio to HPG targets ...
| | * | | V4L/DVB (11870): gspca - main: VIDIOC_ENUM_FRAMESIZES ioctl added.Hans de Goede2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (12004): poll method lose race conditionFigo.zhang2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | bttv-driver.c,cx23885-video.c,cx88-video.c: poll method lose race condition for capture video. Signed-off-by: Figo.zhang <figo1802@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11894): flexcop-pci: dmesg visible names brokenMatthias Schwarzott2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changeset 1589a993f074124c3edfff03656e910bb472eeaa broke user visible names of flexcop-pci devices, as it did reorder the enum of card types, but did not adjust the array containing the card names. Reorder the names, and uses [FC_AIR_DVBT] = "Air2PC/AirStar 2 DVB-T" assignment style for more clarity. It also adds the revision Number to the name for SkyStar rev. 2.3 and rev 2.6 as I think it is useful to see in log output. Signed-off-by: Matthias Schwarzott <zzam@gentoo.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11892): Siano: smsendian - declare function as externUri Shkolnik2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Declare the object function as 'extern' Signed-off-by: Uri Shkolnik <uris@siano-ms.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11891): Siano: smscore - bind the GPIO SMS protocolUri Shkolnik2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Bind SMS protocol commands to the GPIO commands Signed-off-by: Uri Shkolnik <uris@siano-ms.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11890): Siano: smscore - remove redundant codeUri Shkolnik2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | remove redundant code, which in the past handled the various components (now independent modules) registrations. Signed-off-by: Uri Shkolnik <uris@siano-ms.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11889): Siano: smsdvb - add DVB v3 eventsUri Shkolnik2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add various DVB-API v3 events, those events will trig target (card) events. Signed-off-by: Uri Shkolnik <uris@siano-ms.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11888): Siano: smsusb - remove redundant ifdefUri Shkolnik2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove a redundant ifdef Signed-off-by: Uri Shkolnik <uris@siano-ms.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11887): Siano: smscards - add board (target) eventsUri Shkolnik2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add events handling for targets. All board-specific (target specific) should reside here. Signed-off-by: Uri Shkolnik <uris@siano-ms.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11886): Siano: smscore - fix some new GPIO definitions namesUri Shkolnik2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix some definitions' names, in order to emphasize the names Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11885): Siano: Add new GPIO management interfaceUri Shkolnik2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add new GPIO management interface to replace old (buggy) one. Keeping old interface intact for now. Signed-off-by: Uri Shkolnik <uris@siano-ms.com> Acked-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11884): Siano: smssdio - revert to stand alone moduleUri Shkolnik2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the SDIO interface driver a stand alone module. Signed-off-by: Uri Shkolnik <uris@siano-ms.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| | * | | V4L/DVB (11883): Siano: cards - add two additional (USB) devicesUri Shkolnik2009-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add two additional USB targets, add these to the 'cards' modules and to the 'smsusb' module. Signed-off-by: Uri Shkolnik <uris@siano-ms.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-09 00:58:08 -0500