- 21 Apr, 2011 8 commits
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Sam Ravnborg authored
We did a cpu_probe() call each time a CPU got online - which only effect was to save latest CPU/FPU info for use by show_cpuinfo(). Use same setup as for sparc64 where we probe for this info during startup, and only once. This allowed us to annotate a few functions __init which again fixed the following section mismatch warnings: WARNING: vmlinux.o(.text+0x65f0): Section mismatch in reference from the function set_cpu_and_fpu() to the (unknown reference) .init.rodata:(unknown) WARNING: vmlinux.o(.text+0x65f8): Section mismatch in reference from the function set_cpu_and_fpu() to the (unknown reference) .init.rodata:(unknown) WARNING: vmlinux.o(.text+0x664c): Section mismatch in reference from the function set_cpu_and_fpu() to the variable .init.rodata:manufacturer_info WARNING: vmlinux.o(.text+0x6650): Section mismatch in reference from the function set_cpu_and_fpu() to the variable .init.rodata:manufacturer_info Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sam Ravnborg authored
We have all the cpu related info in cpu.c - so move the remaining functions to support /proc/cpuinfo to this file. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Hellstrom authored
A simple implementation of CPU affinity, the first CPU in the affinity CPU mask always takes the IRQ. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Hellstrom authored
Cleaned up leon_init_timers() by removing unnecessary double checking and one indentation level. Changed LEON_IMASK to LEON_IMASK(cpu). Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Hellstrom authored
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Hellstrom authored
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Hellstrom authored
The extended IRQ controller gives the LEON 16 more IRQs. The patch installs a custom handler for the exetended controller IRQ, where a register is read and the "real" IRQ causing IRQ is determined. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Hellstrom authored
The LEON interrupt controller has one single mask register for all IRQs per CPU, even though the genirq layer protects us from accessing the same IRQ at the same time other IRQs share the same mask register and may thus interfere. Some other IRQ controllers has a mask register or similar per IRQ instead which makes spinlocks unncessary. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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- 20 Apr, 2011 4 commits
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Sam Ravnborg authored
The conversion of sparc32 to genirq is based on original work done by David S. Miller. Daniel Hellstrom has helped in the conversion and implemented the shutdowm functionality. Marcel van Nies <morcles@gmail.com> has tested this on Sparc Station 20 Test status: sun4c - not tested sun4m,pci - not tested sun4m,sbus - tested (Sparc Classic, Sparc Station 5, Sparc Station 20) sun4d - not tested leon - tested on various combinations of leon boards, including SMP variants generic Introduce use of GENERIC_HARDIRQS and GENERIC_IRQ_SHOW Allocate 64 IRQs - which is enough even for SS2000 Use a table of irq_bucket to maintain uses IRQs irq_bucket is also used to chain several irq's that must be called when the same intrrupt is asserted Use irq_link to link a interrupt source to the irq All plafforms must now supply their own build_device_irq method handler_irq rewriten to use generic irq support floppy Read FLOPPY_IRQ from platform device Use generic request_irq to register the floppy interrupt Rewrote sparc_floppy_irq to use the generic irq support pcic: Introduce irq_chip Store mask in chip_data for use in mask/unmask functions Add build_device_irq for pcic Use pcic_build_device_irq in pci_time_init allocate virtual irqs in pcic_fill_irq sun4c: Introduce irq_chip Store mask in chip_data for use in mask/unmask functions Add build_device_irq for sun4c Use sun4c_build_device_irq in sun4c_init_timers sun4m: Introduce irq_chip Introduce dedicated mask/unmask methods Introduce sun4m_handler_data that allow easy access to necessary data in the mask/unmask functions Add a helper method to enable profile_timer (used from smp) Added sun4m_build_device_irq Use sun4m_build_device_irq in sun4m_init_timers TODO: There is no replacement for smp_rotate that always scheduled next CPU as interrupt target upon an interrupt sun4d: Introduce irq_chip Introduce dedicated mask/unmask methods Introduce sun4d_handler_data that allow easy access to necessary data in mask/unmask fuctions Rewrote sun4d_handler_irq to use generic irq support TODO: The original implmentation of enable/disable had: if (irq < NR_IRQS) return; The new implmentation does not distingush between SBUS and cpu interrupts. I am no sure what is right here. I assume we need to do something for the cpu interrupts. I have not succeeded booting my sun4d box (with or without this patch) and my understanding of this platfrom is limited. So I would be a bit suprised if this works. leon: Introduce irq_chip Store mask in chip_data for use in mask/unmask functions Add build_device_irq for leon Use leon_build_device_irq in leon_init_timers Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Daniel Hellstrom <daniel@gaisler.com> Tested-by: Daniel Hellstrom <daniel@gaisler.com> Tested-by: Marcel van Nies <morcles@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sam Ravnborg authored
Move the ifdeffery to a header file to make the logic more obvious where we decide between PCI or SBUS init Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sam Ravnborg authored
The new name reflects the actual usage much better. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: pll tweaks for r7xx drm/nouveau: fix allocation of notifier object drm/nouveau: fix notifier memory corruption bug drm/nouveau: fix pinning of notifier block drm/nouveau: populate ttm_alloced with false, when it's not drm/nouveau: fix nv30 pcie boards drm/nouveau: split ramin_lock into two locks, one hardirq safe drm/radeon/kms: adjust evergreen display watermark setup drm/radeon/kms: add connectors even if i2c fails drm/radeon/kms: fix bad shift in atom iio table parser
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- 19 Apr, 2011 20 commits
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Alex Deucher authored
Prefer min m to max p only on pre-r7xx asics. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=36197Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
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Dave Airlie authored
* 'nouveau/drm-nouveau-fixes' of /ssd/git/drm-nouveau-next: drm/nouveau: fix allocation of notifier object drm/nouveau: fix notifier memory corruption bug drm/nouveau: fix pinning of notifier block drm/nouveau: populate ttm_alloced with false, when it's not drm/nouveau: fix nv30 pcie boards drm/nouveau: split ramin_lock into two locks, one hardirq safe
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Marcin Slusarz authored
Commit 73412c38 ("drm/nouveau: allocate kernel's notifier object at end of block") intended to align end of notifier block to page boundary, but start of block was miscalculated to be off by -16 bytes. Fix it. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Marcin Slusarz authored
nouveau_bo_wr32 expects offset to be in words, but we pass value in bytes, so after commit 73412c38 ("drm/nouveau: allocate kernel's notifier object at end of block") we started to overwrite some memory after notifier buffer object (previously m2mf_ntfy was always 0, so it didn't matter it was a value in bytes). Reported-by: Dominik Brodowski <linux@dominikbrodowski.net> Reported-by: Nigel Cunningham <lkml@nigelcunningham.com.au> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Pekka Paalanen <pq@iki.fi> Cc: stable@kernel.org [2.6.38] Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Problem introduced with commit 6ba9a683Reported-by: Bob Gleitsmann <rjgleits@bellsouth.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Caught with kmemcheck on unrelated business. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Wasn't aware they even existed, apparently they do! They're actually AGP chips with a bridge as far as I can tell, which puts them in the same boat as nv40/nv45. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs authored
Fixes a possible lock ordering reversal between context_switch_lock and ramin_lock. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Francisco Jerez <currojerez@riseup.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (51 commits) netfilter: ipset: Fix the order of listing of sets ip6_pol_route panic: Do not allow VLAN on loopback bnx2x: Fix port identification problem r8169: add Realtek as maintainer. ip: ip_options_compile() resilient to NULL skb route bna: fix memory leak during RX path cleanup bna: fix for clean fw re-initialization usbnet: Fix up 'FLAG_POINTTOPOINT' and 'FLAG_MULTI_PACKET' overlaps. iwlegacy: fix tx_power initialization Revert "tcp: disallow bind() to reuse addr/port" qlcnic: limit skb frags for non tso packet net: can: mscan: fix build breakage in mpc5xxx_can netfilter: ipset: set match and SET target fixes netfilter: ipset: bitmap:ip,mac type requires "src" for MAC sctp: fix oops while removed transport still using as retran path sctp: fix oops when updating retransmit path with DEBUG on net: Disable NETIF_F_TSO_ECN when TSO is disabled net: Disable all TSO features when SG is disabled sfc: Use rmb() to ensure reads occur in order ieee802154: Remove hacked CFLAGS in net/ieee802154/Makefile ...
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: pci-label: Fix build failure when CONFIG_NLS is set to 'm' by allmodconfig
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Linus Torvalds authored
Merge branch 'x86-fixes-for-linus' of 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, gart: Make sure GART does not map physmem above 1TB x86, gart: Set DISTLBWALKPRB bit always x86, gart: Convert spaces to tabs in enable_gart_translation
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Linus Torvalds authored
Merge branch 'timer-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timer-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: RTC: rtc-omap: Fix a leak of the IRQ during init failure posix clocks: Replace mutex with reader/writer semaphore
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Linus Torvalds authored
Merge branch 'perf-fixes-for-linus' of 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, x86: Fix AMD family 15h FPU event constraints perf, x86: Fix pre-defined cache-misses event for AMD family 15h cpus perf evsel: Fix use of inherit perf hists browser: Fix seg fault when annotate null symbol
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Linus Torvalds authored
This reverts commit 35d9f510. Quoth Jiri Slaby: "It fixes mmap when IOMMU is used on x86 only, but breaks architectures like ARM or PPC where virt_to_phys(dma_alloc_coherent) doesn't work. We need there dma_mmap_coherent or similar (the trickery what snd_pcm_default_mmap does but in some saner way). But this cannot be done at this phase." Requested-by: Jiri Slaby <jslaby@suse.cz> Cc: Russell King - ARM Linux <linux@arm.linux.org.uk> Cc: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixesLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes: GFS2: filesystem hang caused by incorrect lock order GFS2: Don't try to deallocate unlinked inodes when mounted ro GFS2: directly write blocks past i_size GFS2: write_end error path fails to unlock transaction lock
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Jozsef Kadlecsik authored
A restoreable saving of sets requires that list:set type of sets come last and the code part which should have taken into account the ordering was broken. The patch fixes the listing order. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
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Robert Richter authored
Depending on the unit mask settings some FPU events may be scheduled only on cpu counter #3. This patch fixes this. Signed-off-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@googlemail.com> Link: http://lkml.kernel.org/r/1302913676-14352-3-git-send-email-robert.richter@amd.comSigned-off-by: Ingo Molnar <mingo@elte.hu>
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Andre Przywara authored
With AMD cpu family 15h a unit mask was introduced for the Data Cache Miss event (0x041/L1-dcache-load-misses). We need to enable bit 0 (first data cache miss or streaming store to a 64 B cache line) of this mask to proper count data cache misses. Now we set this bit for all families and models. In case a PMU does not implement a unit mask for event 0x041 the bit is ignored. Signed-off-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1302913676-14352-2-git-send-email-robert.richter@amd.comSigned-off-by: Ingo Molnar <mingo@elte.hu>
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Linus Torvalds authored
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- 18 Apr, 2011 8 commits
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git://codeaurora.org/quic/kernel/davidb/linux-msmLinus Torvalds authored
* 'for-39-rc4' of git://codeaurora.org/quic/kernel/davidb/linux-msm: msm: timer: fix missing return value msm: Remove extraneous ffa device check
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: xen-kbdfront - fix mouse getting stuck after save/restore Input: estimate number of events per packet Input: evdev - indicate buffer overrun with SYN_DROPPED Input: document event types and codes and their intended use Input: add KEY_IMAGES specifically for AL Image Browser Input: twl4030_keypad - fix potential NULL dereference in twl4030_kp_probe() Input: h3600_ts - fix error handling at connect Input: twl4030_keypad - avoid potential NULL-pointer dereference
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git://git.kernel.dk/linux-2.6-blockLinus Torvalds authored
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: add blk_run_queue_async block: blk_delay_queue() should use kblockd workqueue md: fix up raid1/raid10 unplugging. md: incorporate new plugging into raid5. md: provide generic support for handling unplug callbacks. md - remove old plugging code. md/dm - remove remains of plug_fn callback. md: use new plugging interface for RAID IO. block: drop queue lock before calling __blk_run_queue() for kblockd punt Revert "block: add callback function for unplug notification" block: Enhance new plugging support to support general callbacks
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpcLinus Torvalds authored
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/powermac: Build fix with SMP and CPU hotplug powerpc/perf_event: Skip updating kernel counters if register value shrinks powerpc: Don't write protect kernel text with CONFIG_DYNAMIC_FTRACE enabled powerpc: Fix oops if scan_dispatch_log is called too early powerpc/pseries: Use a kmem cache for DTL buffers powerpc/kexec: Fix regression causing compile failure on UP powerpc/85xx: disable Suspend support if SMP enabled powerpc/e500mc: Remove CPU_FTR_MAYBE_CAN_NAP/CPU_FTR_MAYBE_CAN_DOZE powerpc/book3e: Fix CPU feature handling on 64-bit e5500 powerpc: Check device status before adding serial device powerpc/85xx: Don't add disabled PCIe devices
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (24 commits) Btrfs: fix free space cache leak Btrfs: avoid taking the chunk_mutex in do_chunk_alloc Btrfs end_bio_extent_readpage should look for locked bits Btrfs: don't force chunk allocation in find_free_extent Btrfs: Check validity before setting an acl Btrfs: Fix incorrect inode nlink in btrfs_link() Btrfs: Check if btrfs_next_leaf() returns error in btrfs_real_readdir() Btrfs: Check if btrfs_next_leaf() returns error in btrfs_listxattr() Btrfs: make uncache_state unconditional btrfs: using cached extent_state in set/unlock combinations Btrfs: avoid taking the trans_mutex in btrfs_end_transaction Btrfs: fix subvolume mount by name problem when default mount subvolume is set fix user annotation in ioctl.c Btrfs: check for duplicate iov_base's when doing dio reads btrfs: properly handle overlapping areas in memmove_extent_buffer Btrfs: fix memory leaks in btrfs_new_inode() Btrfs: check for duplicate iov_base's when doing dio reads Btrfs: reuse the extent_map we found when calling btrfs_get_extent Btrfs: do not use async submit for small DIO io's Btrfs: don't split dio bios if we don't have to ...
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Linus Torvalds authored
Rather than pass in some random truncated offset to the pid-related functions, check that the offset is in range up-front. This is just cleanup, the previous commit fixed the real problem. Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
next_pidmap() just quietly accepted whatever 'last' pid that was passed in, which is not all that safe when one of the users is /proc. Admittedly the proc code should do some sanity checking on the range (and that will be the next commit), but that doesn't mean that the helper functions should just do that pidmap pointer arithmetic without checking the range of its arguments. So clamp 'last' to PID_MAX_LIMIT. The fact that we then do "last+1" doesn't really matter, the for-loop does check against the end of the pidmap array properly (it's only the actual pointer arithmetic overflow case we need to worry about, and going one bit beyond isn't going to overflow). [ Use PID_MAX_LIMIT rather than pid_max as per Eric Biederman ] Reported-by: Tavis Ormandy <taviso@cmpxchg8b.com> Analyzed-by: Robert Święcki <robert@swiecki.net> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Igor Mammedov authored
Mouse gets "stuck" after restore of PV guest but buttons are in working condition. If driver has been configured for ABS coordinates at start it will get XENKBD_TYPE_POS events and then suddenly after restore it'll start getting XENKBD_TYPE_MOTION events, that will be dropped later and they won't get into user-space. Regression was introduced by hunk 5 and 6 of 5ea5254a ("Input: xen-kbdfront - advertise either absolute or relative coordinates"). Driver on restore should ask xen for request-abs-pointer again if it is available. So restore parts that did it before 5ea5254a. Acked-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Igor Mammedov <imammedo@redhat.com> [v1: Expanded the commit description] Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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