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* MIPS: Octeon: Add octeon_get_io_clock_rate() for cn63xxDavid Daney2010-10-292-28/+49
| | | | | | | | | | | | | Starting with cn63xx Octeon I/O blocks are clocked at a different rate than the CPU. Add a new function octeon_get_io_clock_rate() that yields the I/O clock rate. Also rearrange octeon_get_clock_rate() to get the value from the saved sysinfo structure. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1671/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Remove bogus code from octeon_get_clock_rate()David Daney2010-10-291-2/+0
| | | | | | | | | We can run with any simulator clock rate. Get rid of the code overriding it to 6MHz. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1669/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Scale Octeon2 clocks in octeon_init_cvmcount()David Daney2010-10-291-3/+31
| | | | | | | | | The per-CPU clocks are synchronized from IPD_CLK_COUNT, on cn63XX it must be scaled by the clock frequency ratio. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1667/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Enable Read Inhibit / eXecute Inhibit on Octeon II.David Daney2010-10-291-1/+1
| | | | | | Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1666/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Probe for Octeon II CPUs.David Daney2010-10-291-0/+7
| | | | | | | | | | The OCTEON II ISA extends the original OCTEON ISA, so give it its own __elf_platform string so optimized libraries can be selected in userspace. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1665/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Handle Octeon II caches.David Daney2010-10-291-1/+15
| | | | | | Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1664/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Add identifiers for Octeon II CPUs.David Daney2010-10-291-1/+2
| | | | | | Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1662/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Update L2 Cache code for CN63XXDavid Daney2010-10-293-417/+629
| | | | | | | | | | | | The CN63XX has a different L2 cache architecture. Update the helper functions to reflect this. Some joining of split lines was also done to improve readability, as well as reformatting of comments. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1663/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Add cn63XX to Octeon chip detection macros.David Daney2010-10-291-8/+28
| | | | | | Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1661/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Update register definitions for CN63XX chipsDavid Daney2010-10-2920-2161/+4212
| | | | | | | | | | | The CN63XX is a new 6-CPU SOC based on the new OCTEON II CPU cores. Join some lines back together. This makes some of them exceed 80 columns, but they are uninteresting and this unclutters things. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1668/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Rewrite DMA mapping functions.David Daney2010-10-296-301/+389
| | | | | | | | | | | | | All Octeon chips can support more than 4GB of RAM. Also due to how Octeon PCI is setup, even some configurations with less than 4GB of RAM will have portions that are not accessible from 32-bit devices. Enable the swiotlb code to handle the cases where a device cannot directly do DMA. This is a complete rewrite of the Octeon DMA mapping code. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1639/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Add a platform hook for swiotlb setup.David Daney2010-10-292-0/+13
| | | | | | | | This allows platforms that are using the swiotlb to initialize it. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1638/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Convert DMA to use dma-mapping-common.hDavid Daney2010-10-298-153/+136
| | | | | | | | | | | | | | | | | | | | Use asm-generic/dma-mapping-common.h to handle all DMA mapping operations and establish a default get_dma_ops() that forwards all operations to the existing code. Augment dev_archdata to carry a pointer to the struct dma_map_ops, allowing DMA operations to be overridden on a per device basis. Currently this is never filled in, so the default dma_map_ops are used. A follow-on patch sets this for Octeon PCI devices. Also initialize the dma_debug system as it is now used if it is configured. Includes fixes by Kevin Cernekee <cernekee@gmail.com>. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1637/ Patchwork: http://patchwork.linux-mips.org/patch/1678/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ip32, ip27, jazz: Make static functions in dma-coherence.h inline.David Daney2010-10-293-8/+8
| | | | | | | | | | Any function defined in a header file should be inline. This helps us avoid 'unused' compiler warnings when we include the files in more places in subsequent patches. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1636/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Select ZONE_DMA32David Daney2010-10-291-0/+1
| | | | | | | | Give us a nice place to allocate coherent DMA memory for 32-bit devices. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1635/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Adjust top of DMA32 zone.David Daney2010-10-291-0/+6
| | | | | | | | | | On OCTEON, we reserve the last 256MB of 32-bit PCI address space, mapping the RAM in this region at a high DMA address. This makes memory in this region unavailable for 32-bit DMA. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1634/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Allow MAX_DMA32_PFN to be overridden.David Daney2010-10-291-0/+3
| | | | | | | | | DMA mapping may reduce the usable physical address range usable for 32-bit DMA. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1633/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Set dma_masks for octeon_mgmt device.David Daney2010-10-291-0/+5
| | | | | | | | | This allows follow-on patches to dma mapping functions to work with the octeon mgmt device.. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1632/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: IRQ: Add stackoverflow detectionFrom: jiang.adam@gmail.com2010-10-293-0/+35
| | | | | | | | | | | | | | | | | | | Add stackoverflow detection to mips arch Signed-off-by: Adam Jiang <jiang.adam@gmail.com> Cc: dmitri.vorobiev@movial.com Cc: wuzhangjin@gmail.com Cc: ddaney@caviumnetworks.com Cc: peterz@infradead.org Cc: fweisbec@gmail.com Cc: tj@kernel.org Cc: tglx@linutronix.de Cc: mingo@elte.hu Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1559/ Patchwork: https://patchwork.linux-mips.org/patch/1651/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Kconfig cleanupThomas Gleixner2010-10-291-2/+0
| | | | | | | | arch/mips/Kconfig already sets GENERIC_HARDIRQS_NO__DO_IRQ unconditionally. Remove the redundant select from the Loongson Kconfig. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Remove wait argument of r4k_on_each_cpuRalf Baechle2010-10-291-11/+9
| | | | | | All callers were passing in 1 anyway. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: More detailed description of r4k_on_each_cpuRalf Baechle2010-10-291-0/+1
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Get rid of branches to .subsections.Ralf Baechle2010-10-295-297/+243
| | | | | | | | | | | | | | | | | | | | | | | | It was a nice optimization - on paper at least. In practice it results in branches that may exceed the maximum legal range for a branch. We can fight that problem with -ffunction-sections but -ffunction-sections again is incompatible with -pg used by the function tracer. By rewriting the loop around all simple LL/SC blocks to C we reduce the amount of inline assembler and at the same time allow GCC to often fill the branch delay slots with something sensible or whatever else clever optimization it may have up in its sleeve. With this optimization gone we also no longer need -ffunction-sections, so drop it. This optimization was originally introduced in 2.6.21, commit 5999eca25c1fd4b9b9aca7833b04d10fe4bc877d (linux-mips.org) rsp. f65e4fa8e0c6022ad58dc88d1b11b12589ed7f9f (kernel.org). Original fix for the issues which caused me to pull this optimization by Paul Gortmaker <paul.gortmaker@windriver.com>. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Merge branch 'stable/xen-pcifront-0.8.2' of ↵Linus Torvalds2010-10-2844-95/+2845
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen and branch 'for-linus' of git://xenbits.xen.org/people/sstabellini/linux-pvhvm * 'for-linus' of git://xenbits.xen.org/people/sstabellini/linux-pvhvm: xen: register xen pci notifier xen: initialize cpu masks for pv guests in xen_smp_init xen: add a missing #include to arch/x86/pci/xen.c xen: mask the MTRR feature from the cpuid xen: make hvc_xen console work for dom0. xen: add the direct mapping area for ISA bus access xen: Initialize xenbus for dom0. xen: use vcpu_ops to setup cpu masks xen: map a dummy page for local apic and ioapic in xen_set_fixmap xen: remap MSIs into pirqs when running as initial domain xen: remap GSIs as pirqs when running as initial domain xen: introduce XEN_DOM0 as a silent option xen: map MSIs into pirqs xen: support GSI -> pirq remapping in PV on HVM guests xen: add xen hvm acpi_register_gsi variant acpi: use indirect call to register gsi in different modes xen: implement xen_hvm_register_pirq xen: get the maximum number of pirqs from xen xen: support pirq != irq * 'stable/xen-pcifront-0.8.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: (27 commits) X86/PCI: Remove the dependency on isapnp_disable. xen: Update Makefile with CONFIG_BLOCK dependency for biomerge.c MAINTAINERS: Add myself to the Xen Hypervisor Interface and remove Chris Wright. x86: xen: Sanitse irq handling (part two) swiotlb-xen: On x86-32 builts, select SWIOTLB instead of depending on it. MAINTAINERS: Add myself for Xen PCI and Xen SWIOTLB maintainer. xen/pci: Request ACS when Xen-SWIOTLB is activated. xen-pcifront: Xen PCI frontend driver. xenbus: prevent warnings on unhandled enumeration values xenbus: Xen paravirtualised PCI hotplug support. xen/x86/PCI: Add support for the Xen PCI subsystem x86: Introduce x86_msi_ops msi: Introduce default_[teardown|setup]_msi_irqs with fallback. x86/PCI: Export pci_walk_bus function. x86/PCI: make sure _PAGE_IOMAP it set on pci mappings x86/PCI: Clean up pci_cache_line_size xen: fix shared irq device passthrough xen: Provide a variant of xen_poll_irq with timeout. xen: Find an unbound irq number in reverse order (high to low). xen: statically initialize cpu_evtchn_mask_p ... Fix up trivial conflicts in drivers/pci/Makefile
| * xen: register xen pci notifierWeidong Han2010-10-273-0/+139
| | | | | | | | | | | | | | | | | | | | | | Register a pci notifier to add (or remove) pci devices to Xen via hypercalls. Xen needs to know the pci devices present in the system to handle pci passthrough and even MSI remapping in the initial domain. Signed-off-by: Weidong Han <weidong.han@intel.com> Signed-off-by: Qing He <qing.he@intel.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
| * xen: initialize cpu masks for pv guests in xen_smp_initStefano Stabellini2010-10-261-2/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Pv guests don't have ACPI and need the cpu masks to be set correctly as early as possible so we call xen_fill_possible_map from xen_smp_init. On the other hand the initial domain supports ACPI so in this case we skip xen_fill_possible_map and rely on it. However Xen might limit the number of cpus usable by the domain, so we filter those masks during smp initialization using the VCPUOP_is_up hypercall. It is important that the filtering is done before xen_setup_vcpu_info_placement. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
| * xen: add a missing #include to arch/x86/pci/xen.cStefano Stabellini2010-10-221-0/+1
| | | | | | | | | | | | Add missing #include <asm/io_apic.h> to arch/x86/pci/xen.c. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
| * xen: mask the MTRR feature from the cpuidStefano Stabellini2010-10-221-0/+1
| | | | | | | | | | | | | | | | | | We don't want Linux to think that the cpu supports MTRRs when running under Xen because MTRR operations could only be performed through hypercalls. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: make hvc_xen console work for dom0.Jeremy Fitzhardinge2010-10-223-34/+67
| | | | | | | | | | | | | | | | | | | | Use the console hypercalls for dom0 console. [ Impact: Add Xen dom0 console ] Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: add the direct mapping area for ISA bus accessJuan Quintela2010-10-223-0/+28
| | | | | | | | | | | | | | | | | | | | add the direct mapping area for ISA bus access when running as initial domain Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: Initialize xenbus for dom0.Juan Quintela2010-10-221-1/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | Do initial xenbus/xenstore setup in dom0. In dom0 we need to actually allocate the xenstore resources, rather than being given them from outside. [ Impact: initialize Xenbus ] Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: use vcpu_ops to setup cpu masksStefano Stabellini2010-10-221-1/+7
| | | | | | | | | | Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: map a dummy page for local apic and ioapic in xen_set_fixmapJeremy Fitzhardinge2010-10-221-3/+20
| | | | | | | | | | | | Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: remap MSIs into pirqs when running as initial domainQing He2010-10-223-18/+101
| | | | | | | | | | | | | | | | | | | | | | | | Implement xen_create_msi_irq to create an msi and remap it as pirq. Use xen_create_msi_irq to implement an initial domain specific version of setup_msi_irqs. Signed-off-by: Qing He <qing.he@intel.com> Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: remap GSIs as pirqs when running as initial domainJeremy Fitzhardinge2010-10-224-0/+165
| | | | | | | | | | | | | | | | | | | | | | | | Implement xen_register_gsi to setup the correct triggering and polarity properties of a gsi. Implement xen_register_pirq to register a particular gsi as pirq and receive interrupts as events. Call xen_setup_pirqs to register all the legacy ISA irqs as pirqs. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: introduce XEN_DOM0 as a silent optionStefano Stabellini2010-10-221-0/+10
| | | | | | | | | | | | | | | | | | Add XEN_DOM0 to arch/x86/xen/Kconfig as a silent compile time option that gets enabled when xen and basic x86, acpi and pci support are selected. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: map MSIs into pirqsStefano Stabellini2010-10-223-0/+81
| | | | | | | | | | | | | | | | Map MSIs into pirqs, writing 0 in the MSI vector data field and the pirq number in the MSI destination id field. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: support GSI -> pirq remapping in PV on HVM guestsStefano Stabellini2010-10-224-1/+29
| | | | | | | | | | | | | | | | | | | | Disable pcifront when running on HVM: it is meant to be used with pv guests that don't have PCI bus. Use acpi_register_gsi_xen_hvm to remap GSIs into pirqs. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: add xen hvm acpi_register_gsi variantJeremy Fitzhardinge2010-10-223-1/+11
| | | | | | | | | | | | | | Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
| * acpi: use indirect call to register gsi in different modesJeremy Fitzhardinge2010-10-221-17/+42
| | | | | | | | | | | | | | | | | | Rather than using a tree of conditionals, use function pointer for acpi_register_gsi. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
| * xen: implement xen_hvm_register_pirqStefano Stabellini2010-10-223-1/+71
| | | | | | | | | | | | | | | | xen_hvm_register_pirq allows the kernel to map a GSI into a Xen pirq and receive the interrupt as an event channel from that point on. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: get the maximum number of pirqs from xenStefano Stabellini2010-10-222-4/+32
| | | | | | | | | | | | | | Use PHYSDEVOP_get_nr_pirqs to get the maximum number of pirqs from xen. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * xen: support pirq != irqStefano Stabellini2010-10-222-16/+49
| | | | | | | | | | | | | | | | | | PHYSDEVOP_map_pirq might return a pirq different from what we asked if we are running as an HVM guest, so we need to be able to support pirqs that are different from linux irqs. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * Merge commit 'konrad/stable/xen-pcifront-0.8.2' into ↵Stefano Stabellini2010-10-22122-2270/+3944
| |\ | | | | | | | | | 2.6.36-rc8-initial-domain-v6
| | * X86/PCI: Remove the dependency on isapnp_disable.Konrad Rzeszutek Wilk2010-10-211-5/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This looks to be vestigial dependency that had never been used even in the original code base (2.6.18) from which this driver was up-ported. Without this fix, with the CONFIG_ISAPNP, we get this compile failure: arch/x86/pci/xen.c: In function 'pci_xen_init': arch/x86/pci/xen.c:138: error: 'isapnp_disable' undeclared (first use in this function) arch/x86/pci/xen.c:138: error: (Each undeclared identifier is reported only once arch/x86/pci/xen.c:138: error: for each function it appears in.) Reported-by: Li Zefan <lizf@cn.fujitsu.com> Tested-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| | * xen: Update Makefile with CONFIG_BLOCK dependency for biomerge.cKonrad Rzeszutek Wilk2010-10-201-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Without this dependency we get these compile errors: linux-next-20101020/drivers/xen/biomerge.c: In function 'xen_biovec_phys_mergeable': linux-next-20101020/drivers/xen/biomerge.c:8: error: dereferencing pointer to incomplete type linux-next-20101020/drivers/xen/biomerge.c:9: error: dereferencing pointer to incomplete type linux-next-20101020/drivers/xen/biomerge.c:11: error: implicit declaration of function '__BIOVEC_PHYS_MERGEABLE' Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
| | * MAINTAINERS: Add myself to the Xen Hypervisor Interface and remove Chris Wright.Konrad Rzeszutek Wilk2010-10-201-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | Chris is working on other stuff now, and I am working full-time with Jeremy on these bits. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Acked-by: Chris Wright <chrisw@sous-sol.org>
| | * x86: xen: Sanitse irq handling (part two)Konrad Rzeszutek Wilk2010-10-181-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | Thomas Gleixner cleaned up event handling to use the sparse_irq handling, but the xen-pcifront patches utilized the old mechanism. This fixes them to work with sparse_irq handling. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| | * swiotlb-xen: On x86-32 builts, select SWIOTLB instead of depending on it.Konrad Rzeszutek Wilk2010-10-181-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We used to depend on CONFIG_SWIOTLB, but that is disabled by default. So when compiling we get this compile error: arch/x86/xen/pci-swiotlb-xen.c: In function 'pci_xen_swiotlb_detect': arch/x86/xen/pci-swiotlb-xen.c:48: error: lvalue required as left operand of assignment Fix it by actually activating the SWIOTLB library. Reported-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| | * MAINTAINERS: Add myself for Xen PCI and Xen SWIOTLB maintainer.Konrad Rzeszutek Wilk2010-10-181-0/+14
| | | | | | | | | | | | Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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