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2010-04-01microblaze: uaccess: Fix get_user macro for noMMUMichal Simek
Use unified version. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: fix clear_user for noMMU kernelMichal Simek
Previous patches fixed only MMU version and this is the first patch for noMMU kernel Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: Fix strncpy_from_user functionMichal Simek
Generic implementation for noMMU and MMU version Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: fix copy_from_user macroMichal Simek
copy_from_user macro also use copy_tofrom_user function Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: copy_to_user unificationMichal Simek
noMMU and MMU kernel will use copy copy_tofrom_user asm implementation. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: sync put/get/clear_user macrosMichal Simek
Add macro description and resort. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: fix put_user and get_user macrosMichal Simek
Use FIXUP macros and resort them. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: fix __get_user_asm macroMichal Simek
It is used __FIXUP_SECTION and __EX_TABLE_SECTION macros. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: uaccess: fix clean user macroMichal Simek
This is the first patch which does uaccess unification. I choosed to do several patches to be able to use bisect in future if any fault happens. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: move noMMU __range_ok function to uaccess.hMichal Simek
The same noMMU and MMU functions should be placed in one file. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Move exception_table_entry upwardMichal Simek
Just sort to be able remove whole block. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Remove segment.hMichal Simek
I would like to use asm-generic uaccess.h where are segment macros defined. This is just first step. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Remove memset in free_init_pagesMichal Simek
We don't need to do it. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Makefile cleanupsArun Bhanu
If CONFIG_INITRAMFS_SOURCE is set, "scripts/gen_initramfs_list.sh" checks if the cpio image exists. Remove the duplicate check from the Makefile. Remove the "clean-kernel" variable which is unused in the Makefile and is not used by the Kbuild. Signed-off-by: Arun Bhanu <arun@bhanu.net> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Fix Makefile to delete build generated filesArun Bhanu
'make clean' does not to delete the following build generated file: arch/microblaze/boot/linux.bin.ub 'make mrproper' does not to delete the following build generated files: arch/microblaze/boot/simpleImage.* Fix the Makefile to delete these build generated files. See [1] for a discussion on why simpleImage.* files are deleted with 'make mrproper' and not with 'make clean'. [1] http://lkml.org/lkml/2010/3/12/96 Signed-off-by: Arun Bhanu <arun@bhanu.net> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Add a missing single quote to make 'make help' happyArun Bhanu
'make ARCH=microblaze help' fails with the following error due to a missing single quote. /bin/sh: -c: line 0: unexpected EOF while looking for matching `'' /bin/sh: -c: line 1: syntax error: unexpected end of file make: *** [help] Error 2 Signed-off-by: Arun Bhanu <arun@bhanu.net> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01microblaze: Fix "kstack=" parsingSteven J. Magnani
The "kstack=" command line parameter is not parsed correctly. All proper values are interpreted as zero. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-04-01x86,kgdb: Always initialize the hw breakpoint attributeJason Wessel
It is required to call hw_breakpoint_init() on an attr before using it in any other calls. This fixes the problem where kgdb will sometimes fail to initialize on x86_64. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: 2.6.33 <stable@kernel.org> LKML-Reference: <1269975907-27602-1-git-send-email-jason.wessel@windriver.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
2010-04-01perf: Use hot regs with software sched switch/migrate eventsFrederic Weisbecker
Scheduler's task migration events don't work because they always pass NULL regs perf_sw_event(). The event hence gets filtered in perf_swevent_add(). Scheduler's context switches events use task_pt_regs() to get the context when the event occured which is a wrong thing to do as this won't give us the place in the kernel where we went to sleep but the place where we left userspace. The result is even more wrong if we switch from a kernel thread. Use the hot regs snapshot for both events as they belong to the non-interrupt/exception based events family. Unlike page faults or so that provide the regs matching the exact origin of the event, we need to save the current context. This makes the task migration event working and fix the context switch callchains and origin ip. Example: perf record -a -e cs Before: 10.91% ksoftirqd/0 0 [k] 0000000000000000 | --- (nil) perf_callchain perf_prepare_sample __perf_event_overflow perf_swevent_overflow perf_swevent_add perf_swevent_ctx_event do_perf_sw_event __perf_sw_event perf_event_task_sched_out schedule run_ksoftirqd kthread kernel_thread_helper After: 23.77% hald-addon-stor [kernel.kallsyms] [k] schedule | --- schedule | |--60.00%-- schedule_timeout | wait_for_common | wait_for_completion | blk_execute_rq | scsi_execute | scsi_execute_req | sr_test_unit_ready | | | |--66.67%-- sr_media_change | | media_changed | | cdrom_media_changed | | sr_block_media_changed | | check_disk_change | | cdrom_open v2: Always build perf_arch_fetch_caller_regs() now that software events need that too. They don't need it from modules, unlike trace events, so we keep the EXPORT_SYMBOL in trace_event_perf.c Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net>
2010-04-01perf: Correctly align perf event tracing bufferFrederic Weisbecker
The trace event buffer used by perf to record raw sample events is typed as an array of char and may then not be aligned to 8 by alloc_percpu(). But we need it to be aligned to 8 in sparc64 because we cast this buffer into a random structure type built by the TRACE_EVENT() macro to store the traces. So if a random 64 bits field is accessed inside, it may be not under an expected good alignment. Use an array of long instead to force the appropriate alignment, and perform a compile time check to ensure the size in byte of the buffer is a multiple of sizeof(long) so that its actual size doesn't get shrinked under us. This fixes unaligned accesses reported while using perf lock in sparc 64. Suggested-by: David Miller <davem@davemloft.net> Suggested-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Steven Rostedt <rostedt@goodmis.org>
2010-04-01drm/radeon/kms: enable ACPI powermanagement mode on radeon gpus.Dave Airlie
Some GPUs have an APM/ACPI PM mode selection switch and some BIOSes set this to APM. We really want this in ACPI mode for Linux. Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-01drm/radeon/kms: rs400/480 should set common registers.Dave Airlie
These GPUs should be setting these registers up also. Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-01drm/radeon/kms: add sanity check to wptr.Dave Airlie
If we resume in a bad way, we'll get 0xffffffff in wptr, and then oops with no console. This just adds a sanity check so that we can avoid the oops and hopefully get more details out of people's systems. Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-01drm/radeon/kms/evergreen: get DP workingAlex Deucher
Need to enable the VID stream after link training Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-03-31sparc: Fix regset register window handling.David S. Miller
We have to adjust 'reg_window' down by 16 becuase the 'pos' iterator we'll use to index into the stack slots will be between 16 and 32. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-31eeepc-wmi: new driver for WMI based hotkeys on Eee PC laptopsYong Wang
Add a WMI driver for Eee PC laptops. Currently it only supports hotkeys. Signed-off-by: Yong Wang <yong.y.wang@intel.com> Signed-off-by: Matthew Garrett <mjg@redhat.com> Acked-by: Dmitry Torokhov <dtor@mail.ru>
2010-03-31asus-laptop: fix warning in asus_handle_initCorentin Chary
In function 'asus_laptop_get_info': warning: passing argument 3 of 'asus_handle_init' from incompatible pointer type note: expected 'char **' but argument is of type 'const char **' Introduced by commit c21085108a02e1b838c34f3650c8cc9fbd178615 ("asus-laptop: fix style problems reported by checkpath.pl"). Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2010-03-31fat: fix buffer overflow in vfat_create_shortname()Nikolaus Schulz
When using the string representation of a random counter as part of the base name, ensure that it is no longer than 4 bytes. Since we are repeatedly decrementing the counter in a loop until we have found a unique base name, the counter may wrap around zero; therefore, it is not enough to mask its higher bits before entering the loop, this must be done inside the loop. [hirofumi@mail.parknet.co.jp: use snprintf()] Signed-off-by: Nikolaus Schulz <microschulz@web.de> Cc: stable@kernel.org Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-03-31bonding: bond_xmit_roundrobin() fixEric Dumazet
Commit a2fd940f (bonding: fix broken multicast with round-robin mode) added a problem on litle endian machines. drivers/net/bonding/bond_main.c:4159: warning: comparison is always false due to limited range of data type Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-30drivers/net: Add missing unlockJulia Lawall
Unlock the lock before leaving the function. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression E1; identifier f; @@ f (...) { <+... * spin_lock_irqsave (E1,...); ... when != E1 * return ...; ...+> } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-30net: gianfar - align BD ring size console messagesKim Phillips
fix this: eth2: :RX BD ring size for Q[0]: 256 eth2:TX BD ring size for Q[0]: 256 to look like: eth2: RX BD ring size for Q[0]: 256 eth2: TX BD ring size for Q[0]: 256 Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-30net: gianfar - initialize per-queue statisticsKim Phillips
Interfaces come up claiming having already received 3.0 GiB. Use kzalloc to properly initialize per-queue data. Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-30gianfar: Fix a memory leak in gianfar close codeAndy Fleming
gianfar needed to ensure existence of the *skbuff arrays before freeing the skbs in them, rather than ensuring their nonexistence. Signed-off-by: Andy Fleming <afleming@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-31drm/radeon/kms: add hw_i2c module optionAlex Deucher
Turn off hw i2c by default except for mm i2c which is hw only until we sort out the remaining prescale issues on older chips. hw i2c can be enabled with hw_i2c=1. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/kms: use new pre/post_xfer i2c bit algo hooksAlex Deucher
This allows us to remove the internal bit algo bus used by the radeon i2c algo. We now register a radeon algo adapter if the gpio line is hw capable and the hw inplementation is available, otherwise we register a bit algo adapter. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31Merge branch 'v2.6.34-rc2' into drm-linusDave Airlie
2010-03-31drm/radeon/kms: disable MSI on IGP chipsAlex Deucher
Doesn't seem to work reliably and the pci quirks don't always work. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/kms: display watermark updates (v2)Alex Deucher
- Add module option to force the display priority 0 = auto, 1 = normal, 2 = high - Default to high on r3xx/r4xx/rv515 chips Fixes flickering problems during heavy acceleration due to underflow to the display controllers - Fill in minimal support for RS600 v2 - update display priority when bandwidth is updated so the user can change the parameter at runtime and it will take affect on the next modeset. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/kms/dp: disable training pattern on the sink at the end of link ↵Alex Deucher
training Seems to have gotten lost in the evergreen merge. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/kms: minor fixes for eDP with LCD* device tags (v2)Alex Deucher
Some systems have LCD* rather than DFP* device tags in the bios for eDP connectors; notably the new apple iMac. This fixes things up so eDP connectors with either tag will work. v2: fix typo Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/kms/dp: remove extraneous training complete callAlex Deucher
Looks like a copy/paste typo from when evergreen support was added. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/kms/atom: minor fixes to transmitter setupAlex Deucher
- 8 lane links are not valid for DP - remove unused num var Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/kms: Only restrict BO to visible VRAM size when pinning to VRAM.Michel Dänzer
This prevented radeon.test=1 from testing transfers from/to GTT beyond the visible VRAM size. Signed-off-by: Michel Dänzer <daenzer@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm: fix build error when SYSRQ is disabledRandy Dunlap
Fix build error when CONFIG_MAGIC_SYSRQ is not enabled: drivers/gpu/drm/drm_fb_helper.c:915: error: 'sysrq_drm_fb_helper_restore_op' undeclared (first use in this function) drivers/gpu/drm/drm_fb_helper.c:929: error: 'sysrq_drm_fb_helper_restore_op' undeclared (first use in this function) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/kms: fix macbookpro connector quirkAlex Deucher
Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/r6xx/r7xx: further safe reg clean upAlex Deucher
- remove a few more drm only regs - remove sampler, alu, bool, loop constant regs. They are set via separate packet3's already Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon: bump the UMS driver version for r6xx/r7xx const buffer supportAlex Deucher
Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/kms: bump the version for r6xx/r7xx const buffer supportAlex Deucher
Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-03-31drm/radeon/r6xx/r7xx: CS parser fixesAlex Deucher
- Drop some more safe regs taht userspace shouldn't hit - Constant base regs need relocs. This allows us to use constant buffers rather than the constant register file. Also we don't want userspace to be able to set arbitrary mc base values for the const caches. - Track SQ_CONFIG so we know whether userspace is using the cfile or constant buffers. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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