linux/drivers/parisc, branch v4.0

parisc/PCI: Clip bridge windows to fit in upstream windows

2015-01-16T16:04:43Z

Every PCI-PCI bridge window should fit inside an upstream bridge window because orphaned address space is unreachable from the primary side of the upstream bridge. If we inherit invalid bridge windows that overlap an upstream window from firmware, clip them to fit and update the bridge accordingly. [bhelgaas: changelog] Link: https://bugzilla.kernel.org/show_bug.cgi?id=85491 Reported-by: Marek Kordik Fixes: 5b28541552ef ("PCI: Restrict 64-bit prefetchable bridge windows to 64-bit resources") Signed-off-by: Yinghai Lu Signed-off-by: Bjorn Helgaas CC: "James E.J. Bottomley" CC: Helge Deller CC: linux-parisc@vger.kernel.org

Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2014-10-13T14:23:15Z

Pull scheduler updates from Ingo Molnar: "The main changes in this cycle were: - Optimized support for Intel "Cluster-on-Die" (CoD) topologies (Dave Hansen) - Various sched/idle refinements for better idle handling (Nicolas Pitre, Daniel Lezcano, Chuansheng Liu, Vincent Guittot) - sched/numa updates and optimizations (Rik van Riel) - sysbench speedup (Vincent Guittot) - capacity calculation cleanups/refactoring (Vincent Guittot) - Various cleanups to thread group iteration (Oleg Nesterov) - Double-rq-lock removal optimization and various refactorings (Kirill Tkhai) - various sched/deadline fixes ... and lots of other changes" * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (72 commits) sched/dl: Use dl_bw_of() under rcu_read_lock_sched() sched/fair: Delete resched_cpu() from idle_balance() sched, time: Fix build error with 64 bit cputime_t on 32 bit systems sched: Improve sysbench performance by fixing spurious active migration sched/x86: Fix up typo in topology detection x86, sched: Add new topology for multi-NUMA-node CPUs sched/rt: Use resched_curr() in task_tick_rt() sched: Use rq->rd in sched_setaffinity() under RCU read lock sched: cleanup: Rename 'out_unlock' to 'out_free_new_mask' sched: Use dl_bw_of() under RCU read lock sched/fair: Remove duplicate code from can_migrate_task() sched, mips, ia64: Remove __ARCH_WANT_UNLOCKED_CTXSW sched: print_rq(): Don't use tasklist_lock sched: normalize_rt_tasks(): Don't use _irqsave for tasklist_lock, use task_rq_lock() sched: Fix the task-group check in tg_has_rt_tasks() sched/fair: Leverage the idle state info when choosing the "idlest" cpu sched: Let the scheduler see CPU idle states sched/deadline: Fix inter- exclusive cpusets migrations sched/deadline: Clear dl_entity params when setscheduling to different class sched/numa: Kill the wrong/dead TASK_DEAD check in task_numa_fault() ...

parisc: Fix serial console for machines with serial port on superio chip

2014-10-01T20:12:50Z

Fix the serial console on machines where the serial port is located on the SuperIO chip. Signed-off-by: Helge Deller Cc: Peter Hurley

parisc: pdc_stable.c: Avoid potential stack overflows

2014-09-21T20:31:08Z

Signed-off-by: Helge Deller

parisc: pdc_stable.c: Cleaning up unnecessary use of memset in conjunction with strncpy

2014-09-21T19:07:48Z

Using memset before strncpy just to ensure a trailing null character is an unnecessary double writing of a string Patch modified by Helge Deller to additionally reduce stack usage. Signed-off-by: Rickard Strandqvist Signed-off-by: Helge Deller

sched, cleanup, treewide: Remove set_current_state(TASK_RUNNING) after schedule()

2014-09-19T10:35:17Z

schedule(), io_schedule() and schedule_timeout() always return with TASK_RUNNING state set, so one more setting is unnecessary. (All places in patch are visible good, only exception is kiblnd_scheduler() from: drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c Its schedule() is one line above standard 3 lines of unified diff) No places where set_current_state() is used for mb(). Signed-off-by: Kirill Tkhai Signed-off-by: Peter Zijlstra (Intel) Link: http://lkml.kernel.org/r/1410529254.3569.23.camel@tkhai Cc: Alasdair Kergon Cc: Anil Belur Cc: Arnd Bergmann Cc: Dave Kleikamp Cc: David Airlie Cc: David Howells Cc: Dmitry Eremin Cc: Frank Blaschka Cc: Greg Kroah-Hartman Cc: Heiko Carstens Cc: Helge Deller Cc: Isaac Huang Cc: James E.J. Bottomley Cc: James E.J. Bottomley Cc: J. Bruce Fields Cc: Jeff Dike Cc: Jesper Nilsson Cc: Jiri Slaby Cc: Laura Abbott Cc: Liang Zhen Cc: Linus Torvalds Cc: Martin Schwidefsky Cc: Masaru Nomura Cc: Michael Opdenacker Cc: Mikael Starvik Cc: Mike Snitzer Cc: Neil Brown Cc: Oleg Drokin Cc: Peng Tao Cc: Richard Weinberger Cc: Robert Love Cc: Steven Rostedt Cc: Trond Myklebust Cc: Ursula Braun Cc: Zi Shen Lim Cc: devel@driverdev.osuosl.org Cc: dm-devel@redhat.com Cc: dri-devel@lists.freedesktop.org Cc: fcoe-devel@open-fcoe.org Cc: jfs-discussion@lists.sourceforge.net Cc: linux390@de.ibm.com Cc: linux-afs@lists.infradead.org Cc: linux-cris-kernel@axis.com Cc: linux-kernel@vger.kernel.org Cc: linux-nfs@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linux-raid@vger.kernel.org Cc: linux-s390@vger.kernel.org Cc: linux-scsi@vger.kernel.org Cc: qla2xxx-upstream@qlogic.com Cc: user-mode-linux-devel@lists.sourceforge.net Cc: user-mode-linux-user@lists.sourceforge.net Signed-off-by: Ingo Molnar

parisc: dino: fix %d confusingly prefixed with 0x in format string

2014-08-27T12:35:04Z

Signed-off-by: Hans Wennborg Signed-off-by: Helge Deller

Merge tag 'pci-v3.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

2013-09-03T23:24:35Z

Pull PCI changes from Bjorn Helgaas: PCI device hotplug: - Use PCIe native hotplug, not ACPI hotplug, when possible (Neil Horman) - Assign resources on per-host bridge basis (Yinghai Lu) MPS (Max Payload Size): - Allow larger MPS settings below hotplug-capable Root Port (Yijing Wang) - Add warnings about unsafe MPS settings (Yijing Wang) - Simplify interface and messages (Bjorn Helgaas) SR-IOV: - Return -ENOSYS on non-SR-IOV devices (Stefan Assmann) - Update NumVFs register when disabling SR-IOV (Yijing Wang) Virtualization: - Add bus and slot reset support (Alex Williamson) - Fix ACS (Access Control Services) issues (Alex Williamson) Miscellaneous: - Simplify PCIe Capability accessors (Bjorn Helgaas) - Add pcibios_pm_ops for arch-specific hibernate stuff (Sebastian Ott) - Disable decoding during BAR sizing only when necessary (Zoltan Kiss) - Delay enabling bridges until they're needed (Yinghai Lu) - Split Designware support into Synopsys and Exynos parts (Jingoo Han) - Convert class code to use dev_groups (Greg Kroah-Hartman) - Cleanup Designware and Exynos I/O access wrappers (Seungwon Jeon) - Fix bridge I/O window alignment (Bjorn Helgaas) - Add pci_wait_for_pending_transaction() (Casey Leedom) - Use devm_ioremap_resource() in Marvell driver (Tushar Behera) * tag 'pci-v3.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (63 commits) PCI/ACPI: Fix _OSC ordering to allow PCIe hotplug use when available PCI: exynos: Add I/O access wrappers PCI: designware: Drop "addr" arg from dw_pcie_readl_rc()/dw_pcie_writel_rc() PCI: Remove pcie_cap_has_devctl() PCI: Support PCIe Capability Slot registers only for ports with slots PCI: Remove PCIe Capability version checks PCI: Allow PCIe Capability link-related register access for switches PCI: Add offsets of PCIe capability registers PCI: Tidy bitmasks and spacing of PCIe capability definitions PCI: Remove obsolete comment reference to pci_pcie_cap2() PCI: Clarify PCI_EXP_TYPE_PCI_BRIDGE comment PCI: Rename PCIe capability definitions to follow convention PCI: Warn if unsafe MPS settings detected PCI: Fix MPS peer-to-peer DMA comment syntax PCI: Disable decoding for BAR sizing only when it was actually enabled PCI: Add comment about needing pci_msi_off() even when CONFIG_PCI_MSI=n PCI: Add pcibios_pm_ops for optional arch-specific hibernate functionality PCI: Don't restrict MPS for slots below Root Ports PCI: Simplify MPS test for Downstream Port PCI: Remove unnecessary check for pcie_get_mps() failure ...

parisc: Fix interrupt routing for C8000 serial ports

2013-07-31T21:42:32Z

We can't use dev->mod_index for selecting the interrupt routing entry, because it's not an index into interrupt routing table. It will be even wrong on a machine with 2 CPUs (4 cores). But all needed information is contained in the PAT entries for the serial ports. mod[0] contains the iosapic address and mod_info has some indications for the interrupt input (at least it looks like it). This patch implements the searching for the right iosapic and uses this interrupt input information. Signed-off-by: Thomas Bogendoerfer Cc: # 3.10 Signed-off-by: Helge Deller

PCI: Delay enabling bridges until they're needed

2013-07-25T18:35:03Z

We currently enable PCI bridges after scanning a bus and assigning resources. This is often done in arch code. This patch changes this so we don't enable a bridge until necessary, i.e., until we enable a PCI device behind the bridge. We do this in the generic pci_enable_device() path, so this also removes the arch-specific code to enable bridges. [bhelgaas: changelog] Signed-off-by: Yinghai Lu Signed-off-by: Bjorn Helgaas