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* | | Merge tag 'for-linus-4.2-rc0-tag' of ↵Linus Torvalds2015-07-01
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen updates from David Vrabel: "Xen features and cleanups for 4.2-rc0: - add "make xenconfig" to assist in generating configs for Xen guests - preparatory cleanups necessary for supporting 64 KiB pages in ARM guests - automatically use hvc0 as the default console in ARM guests" * tag 'for-linus-4.2-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: block/xen-blkback: s/nr_pages/nr_segs/ block/xen-blkfront: Remove invalid comment block/xen-blkfront: Remove unused macro MAXIMUM_OUTSTANDING_BLOCK_REQS arm/xen: Drop duplicate define mfn_to_virt xen/grant-table: Remove unused macro SPP xen/xenbus: client: Fix call of virt_to_mfn in xenbus_grant_ring xen: Include xen/page.h rather than asm/xen/page.h kconfig: add xenconfig defconfig helper kconfig: clarify kvmconfig is for kvm xen/pcifront: Remove usage of struct timeval xen/tmem: use BUILD_BUG_ON() in favor of BUG_ON() hvc_xen: avoid uninitialized variable warning xenbus: avoid uninitialized variable warning xen/arm: allow console=hvc0 to be omitted for guests arm,arm64/xen: move Xen initialization earlier arm/xen: Correctly check if the event channel interrupt is present
| * | arm/xen: Drop duplicate define mfn_to_virtJulien Grall2015-06-17
| | | | | | | | | | | | | | | | | | Signed-off-by: Julien Grall <julien.grall@citrix.com> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
| * | arm,arm64/xen: move Xen initialization earlierStefano Stabellini2015-05-28
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, Xen is initialized/discovered in an initcall. This doesn't allow us to support earlyprintk or choosing the preferred console when running on Xen. The current function xen_guest_init is now split in 2 parts: - xen_early_init: Check if there is a Xen node in the device tree and setup domain type - xen_guest_init: Retrieve the information from the device node and initialize Xen (grant table, shared page...) The former is called in setup_arch, while the latter is an initcall. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Julien Grall <julien.grall@linaro.org> Acked-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Will Deacon <will.deacon@arm.com>
* | Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds2015-06-26
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull ARM updates from Russell King: "Bigger items included in this update are: - A series of updates from Arnd for ARM randconfig build failures - Updates from Dmitry for StrongARM SA-1100 to move IRQ handling to drivers/irqchip/ - Move ARMs SP804 timer to drivers/clocksource/ - Perf updates from Mark Rutland in preparation to move the ARM perf code into drivers/ so it can be shared with ARM64. - MCPM updates from Nicolas - Add support for taking platform serial number from DT - Re-implement Keystone2 physical address space switch to conform to architecture requirements - Clean up ARMv7 LPAE code, which goes in hand with the Keystone2 changes. - L2C cleanups to avoid unlocking caches if we're prevented by the secure support to unlock. - Avoid cleaning a potentially dirty cache containing stale data on CPU initialisation - Add ARM-only entry point for secondary startup (for machines that can only call into a Thumb kernel in ARM mode). Same thing is also done for the resume entry point. - Provide arch_irqs_disabled via asm-generic - Enlarge ARMv7M vector table - Always use BFD linker for VDSO, as gold doesn't accept some of the options we need. - Fix an incorrect BSYM (for Thumb symbols) usage, and convert all BSYM compiler macros to a "badr" (for branch address). - Shut up compiler warnings provoked by our cmpxchg() implementation. - Ensure bad xchg sizes fail to link" * 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (75 commits) ARM: Fix build if CLKDEV_LOOKUP is not configured ARM: fix new BSYM() usage introduced via for-arm-soc branch ARM: 8383/1: nommu: avoid deprecated source register on mov ARM: 8391/1: l2c: add options to overwrite prefetching behavior ARM: 8390/1: irqflags: Get arch_irqs_disabled from asm-generic ARM: 8387/1: arm/mm/dma-mapping.c: Add arm_coherent_dma_mmap ARM: 8388/1: tcm: Don't crash when TCM banks are protected by TrustZone ARM: 8384/1: VDSO: force use of BFD linker ARM: 8385/1: VDSO: group link options ARM: cmpxchg: avoid warnings from macro-ized cmpxchg() implementations ARM: remove __bad_xchg definition ARM: 8369/1: ARMv7M: define size of vector table for Vybrid ARM: 8382/1: clocksource: make ARM_TIMER_SP804 depend on GENERIC_SCHED_CLOCK ARM: 8366/1: move Dual-Timer SP804 driver to drivers/clocksource ARM: 8365/1: introduce sp804_timer_disable and remove arm_timer.h inclusion ARM: 8364/1: fix BE32 module loading ARM: 8360/1: add secondary_startup_arm prototype in header file ARM: 8359/1: correct secondary_startup_arm mode ARM: proc-v7: sanitise and document registers around errata ARM: proc-v7: clean up MIDR access ...
| * \ Merge branch 'for-arm-soc' into for-nextRussell King2015-06-12
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| * \ \ Merge branch 'devel-stable' into for-nextRussell King2015-06-12
| |\ \ \ | | | | | | | | | | | | | | | | | | | | Conflicts: arch/arm/kernel/perf_event_cpu.c
| | * \ \ Merge branch 'for-rmk/perf' of ↵Russell King2015-06-05
| | |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable There's quite a lot here, most of it from Mark Rutland, who has been working on big.LITTLE PMU support for a while now. His work also brings us significantly closer to moving the bulk of the CPU PMU driver out into drivers/, where it can be shared with arm64. As part of this work, there is a small patch to perf/core, which has been Acked-by PeterZ and doesn't conflict with tip/perf/core at present. I've kept that patch on a separate branch, merged in here, so that the tip guys can pull it too if any unexpected issues crop up. Please note that there is a conflict with mainline, since we remove perf_event_cpu.c. The correct resolution is also to remove the file, since the changes there are already reflected in the rework (and this resolution is already included in linux-next).
| | | * | | arm: perf: share arm_pmu_device_probeMark Rutland2015-05-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enable the probe function to be shared with other drivers, which will inject the appropriate of_device_id and pmu_probe_info tables. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
| | | * | | arm: perf: kill off unused pm callbacksMark Rutland2015-05-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently the arm perf code has platdata callbacks for runtime PM and irq handling, but no platform implements the hooks for the former. Kill these off. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
| | | * | | arm: perf: treat PMUs as CPU affineMark Rutland2015-05-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In multi-cluster systems, the PMUs can be different across clusters, and so our logical PMU may not be able to schedule events on all CPUs. This patch adds a cpumask to encode which CPUs a PMU driver supports controlling events for, and limits the driver to scheduling events on those CPUs, and enabling and disabling the physical PMUs on those CPUs. The cpumask is built based on the interrupt-affinity property, and in the absence of such a property a homogenous system is assumed. Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
| | | * | | arm: perf: Fix callchain parse error with kernel tracepoint eventsHou Pengyang2015-05-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For ARM, when tracing with tracepoint events, the IP and cpsr are set to 0, preventing the perf code parsing the callchain and resolving the symbols correctly. ./perf record -e sched:sched_switch -g --call-graph dwarf ls [ perf record: Captured and wrote 0.006 MB perf.data ] ./perf report -f Samples: 5 of event 'sched:sched_switch', Event count (approx.): 5 Children Self Command Shared Object Symbol 100.00% 100.00% ls [unknown] [.] 00000000 The fix is to implement perf_arch_fetch_caller_regs for ARM, which fills several necessary registers used for callchain unwinding, including pc,sp, fp and cpsr. With this patch, callchain can be parsed correctly as : ..... - 100.00% 100.00% ls [kernel.kallsyms] [k] __sched_text_start + __sched_text_start + 20.00% 0.00% ls libc-2.18.so [.] _dl_addr + 20.00% 0.00% ls libc-2.18.so [.] write ..... Jean Pihet found this in ARM and come up with a patch: http://thread.gmane.org/gmane.linux.kernel/1734283/focus=1734280 This patch rewrite Jean's patch in C. Signed-off-by: Hou Pengyang <houpengyang@huawei.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
| | * | | | ARM: MCPM: remove residency argument from mcpm_cpu_suspend()Nicolas Pitre2015-05-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is currently unused. If a suspend must be limited to CPU level only by preventing the last man from triggering a cluster level suspend then this should be determined according to many other criteria the MCPM layer is currently not aware of. It is unlikely that mcpm_cpu_suspend() would be the proper conduit for that information anyway. Signed-off-by: Nicolas Pitre <nico@linaro.org> Acked-by: Dave Martin <Dave.Martin@arm.com>
| | * | | | ARM: MCPM: make internal helpers private to the core codeNicolas Pitre2015-05-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This concerns the following helpers: __mcpm_cpu_going_down() __mcpm_cpu_down() __mcpm_outbound_enter_critical() __mcpm_outbound_leave_critical() __mcpm_cluster_state() They are and should only be used by the core code now. Therefore their declarations are removed from mcpm.h and their definitions are made static, hence the need to move them before their users which accounts for the bulk of this patch. This left the mcpm_sync_struct definition at an odd location, therefore it is moved as well with some comment clarifications. Signed-off-by: Nicolas Pitre <nico@linaro.org> Acked-by: Dave Martin <Dave.Martin@arm.com>
| | * | | | ARM: MCPM: remove backward compatibility codeNicolas Pitre2015-05-06
| | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that no one uses the old callbacks anymore, let's remove them and associated support code. Signed-off-by: Nicolas Pitre <nico@linaro.org> Acked-by: Dave Martin <Dave.Martin@arm.com>
| * | | | Merge branch 'bsym' into for-nextRussell King2015-06-12
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/arm/kernel/head.S
| | * | | | ARM: replace BSYM() with badr assembly macroRussell King2015-05-08
| | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSYM() was invented to allow us to work around a problem with the assembler, where local symbols resolved by the assembler for the 'adr' instruction did not take account of their ISA. Since we don't want BSYM() used elsewhere, replace BSYM() with a new macro 'badr', which is like the 'adr' pseudo-op, but with the BSYM() mechanics integrated into it. This ensures that the BSYM()-ification is only used in conjunction with 'adr'. Acked-by: Dave Martin <Dave.Martin@arm.com> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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| *-----. \ \ \ Merge branches 'arnd-fixes', 'clk', 'misc', 'v7' and 'fixes' into for-nextRussell King2015-06-12
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| | | | * | | | ARM: redo TTBR setup code for LPAERussell King2015-06-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Re-engineer the LPAE TTBR setup code. Rather than passing some shifted address in order to fit in a CPU register, pass either a full physical address (in the case of r4, r5 for TTBR0) or a PFN (for TTBR1). This removes the ARCH_PGD_SHIFT hack, and the last dangerous user of cpu_set_ttbr() in the secondary CPU startup code path (which was there to re-set TTBR1 to the appropriate high physical address space on Keystone2.) Tested-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | | * | | | ARM: keystone2: rename init_meminfo to pv_fixupRussell King2015-06-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The init_meminfo() method is not about initialising meminfo - it's about fixing up the physical to virtual translation so that we use a different physical address space, possibly above the 4GB physical address space. Therefore, the name "init_meminfo()" is confusing. Rename it to pv_fixup() instead. Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Tested-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | | * | | | ARM: keystone2: move update of the phys-to-virt constants into generic codeRussell King2015-06-01
| | | |/ / / / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the init_meminfo function return the offset to be applied to the phys-to-virt translation constants. This allows us to move the update into generic code, along with the requirements for this update. This avoids platforms having to know the details of the phys-to-virt translation support. Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Tested-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | ARM: cmpxchg: avoid warnings from macro-ized cmpxchg() implementationsRussell King2015-06-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A recent change in kernel/acct.c added a new warning for many configurations on ARM: kernel/acct.c: In function 'acct_pin_kill': arch/arm/include/asm/cmpxchg.h:122:3: warning: value computed is not used [-Wunused-value] The code is in fact correct, it's just a cmpxchg() call that intentionally ignores the result, and no other code does that. The warning does not show up on x86 because of the way that its cmpxchg() macro is written. This changes the ARM implementation to use a similar construct with a compound expression instead of a typecast, which causes the compiler to not complain about an unused result. Fix the other macros in this file in a similar way, and place them just below their function implementations. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | ARM: remove __bad_xchg definitionRussell King2015-06-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We want link errors if xchg() is called for a variable size we do not support. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | ARM: 8366/1: move Dual-Timer SP804 driver to drivers/clocksourceSudeep Holla2015-06-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ARM Dual-Timer SP804 module is peripheral found not only on ARM32 platforms but also on ARM64 platforms. This patch moves the driver out of arch/arm to driver/clocksource so that it can be used on ARM64 platforms also. Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Rob Herring <robh@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Olof Johansson <olof@lixom.net> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | ARM: 8365/1: introduce sp804_timer_disable and remove arm_timer.h inclusionSudeep Holla2015-06-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The header asm/hardware/arm_timer.h is included in various machine specific files to access TIMER_CTRL and initialise to a known state. This patch introduces a new function sp804_timer_disable to disable the SP804 timers and uses the same for initialising the timers to known(off) state, thereby removing the dependency on the header asm/hardware/arm_timer.h This change is in prepartion to move sp804 timer support out of arch/arm so that it can be used on ARM64 platforms. Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Olof Johansson <olof@lixom.net> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | ARM: 8360/1: add secondary_startup_arm prototype in header fileYingjoe Chen2015-06-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Put secondary_startup_arm() prototype in arch/arm/include/asm/smp.h so users doesn't have to add extern prototype in their code. Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | ARM: 8355/1: arch: Show the serial number from devicetree in cpuinfoPaul Kocialkowski2015-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This grabs the serial number shown in cpuinfo from the serial-number device-tree property in priority. When booting with ATAGs (and without device-tree), the provided number is still shown instead. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | ARM: optimize memset_io()/memcpy_fromio()/memcpy_toio()Russell King2015-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If we are building for a LE platform, and we haven't overriden the MMIO ops, then we can optimize the mem*io operations using the standard string functions. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | ARM: 8220/1: allow modules outside of bl rangeArd Biesheuvel2015-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Loading modules far away from the kernel in memory is problematic because the 'bl' instruction only has limited reach, and modules are not built with PLTs. Instead of using the -mlong-calls option (which affects all compiler emitted bl instructions, but not the ones in assembler), this patch allocates some additional space at module load time, and populates it with PLT like veneers when encountering relocations that are out of range. This should work with all relocations against symbols exported by the kernel, including those resulting from GCC generated implicit function calls for ftrace etc. The module memory size increases by about 5% on average, regardless of whether any PLT entries were actually needed. However, due to the page based rounding that occurs when allocating module memory, the average memory footprint increase is negligible. Reviewed-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | | * | | | ARM: 8341/1: io: Unpessimize relaxed io accessorsPeter Hurley2015-05-08
| | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 195bbcac2e5c12f7fb ("ARM: 7500/1: io: avoid writeback addressing modes for __raw_ accessors") disables writeback addressing modes for raw i/o. However, the "+Q" output constraint forces the compiler to disable load hoist optimizations (because the output constraint informs the compiler of memory stores which the compiler assumes may alias other memory). Since the relaxed accessors only guarantee ordering wrt i/o accesses to the same device and not to main memory, there's never a possibility of an accessor invalidating a hoisted load (because only non-i/o loads would have been hoisted). The effect is especially noticable with complex address inputs in loops. For example, the following code: #include <linux/kernel.h> #include <linux/io.h> static const int *remap; void wr_loop(void __iomem *base, int c, int val) { int i; for (i = 0; i < c; i++) writew_relaxed(val, base + remap[c >> 2]); } generates current master | this patch 0: e3510000 cmp r1, #0 | 0: e3510000 cmp r1, #0 4: d12fff1e bxle lr | 4: d12fff1e bxle lr 8: e3003000 movw r3, #0 | 8: e3c1c003 bic ip, r1, #3 c: e3403000 movt r3, #0 | c: e6ff2072 uxth r2, r2 10: e92d4010 push {r4, lr} | 10: e3a03000 mov r3, #0 14: e6ff2072 uxth r2, r2 | 14: e59cc000 ldr ip, [ip] 18: e3c14003 bic r4, r1, #3 | 18: e080000c add r0, r0, ip 1c: e593e000 ldr lr, [r3] | 20: e3a03000 mov r3, #0 | 1c: e1c020b0 strh r2, [r0] | 20: e2833001 add r3, r3, #1 24: e79ec004 ldr ip, [lr, r4] | 24: e1530001 cmp r3, r1 28: e080c00c add ip, r0, ip | 28: 1afffffb bne 1c 2c: e1cc20b0 strh r2, [ip] | 2c: e12fff1e bx lr 30: e2833001 add r3, r3, #1 | 34: e1530001 cmp r3, r1 | 38: 1afffff9 bne 24 | | 3c: e8bd8010 pop {r4, pc} | Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | | ARM: 8390/1: irqflags: Get arch_irqs_disabled from asm-genericDaniel Thompson2015-06-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit cb1293e2f594 ("ARM: 8375/1: disable some options on ARMv7-M") causes the build to on ARMv7-M machines: CC arch/arm/kernel/asm-offsets.s In file included from include/linux/sem.h:5:0, from include/linux/sched.h:35, from arch/arm/kernel/asm-offsets.c:14: include/linux/rcupdate.h: In function 'rcu_read_lock_sched_held': include/linux/rcupdate.h:539:2: error: implicit declaration of function 'arch_irqs_disabled' [-Werror=implicit-function-declaration] return preempt_count() != 0 || irqs_disabled(); asm-generic/irqflags.h provides an implementation of arch_irqs_disabled(). Lets grab an implementation from there! Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Maxime Coquelin <maxime.coquelin@st.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | | ARM: 8380/1: bpf: fix NOMMU buildArnd Bergmann2015-05-27
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | arch/arm/net/built-in.o: In function `bpf_jit_compile': :(.text+0x2758): undefined reference to `set_memory_ro' arch/arm/net/built-in.o: In function `bpf_jit_free': :(.text+0x27ac): undefined reference to `set_memory_rw' Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | | | Merge tag 'armsoc-soc' of ↵Linus Torvalds2015-06-26
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC platform support updates from Kevin Hilman: "Our SoC branch usually contains expanded support for new SoCs and other core platform code. Some highlights from this round: - sunxi: SMP support for A23 SoC - socpga: big-endian support - pxa: conversion to common clock framework - bcm: SMP support for BCM63138 - imx: support new I.MX7D SoC - zte: basic support for ZX296702 SoC" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (134 commits) ARM: zx: Add basic defconfig support for ZX296702 ARM: dts: zx: add an initial zx296702 dts and doc clk: zx: add clock support to zx296702 dt-bindings: Add #defines for ZTE ZX296702 clocks ARM: socfpga: fix build error due to secondary_startup MAINTAINERS: ARM64: EXYNOS: Extend entry for ARM64 DTS ARM: ep93xx: simone: support for SPI-based MMC/SD cards MAINTAINERS: update Shawn's email to use kernel.org one ARM: socfpga: support suspend to ram ARM: socfpga: add CPU_METHOD_OF_DECLARE for Arria 10 ARM: socfpga: use CPU_METHOD_OF_DECLARE for socfpga_cyclone5 ARM: EXYNOS: register power domain driver from core_initcall ARM: EXYNOS: use PS_HOLD based poweroff for all supported SoCs ARM: SAMSUNG: Constify platform_device_id ARM: EXYNOS: Constify irq_domain_ops ARM: EXYNOS: add coupled cpuidle support for Exynos3250 ARM: EXYNOS: add exynos_get_boot_addr() helper ARM: EXYNOS: add exynos_set_boot_addr() helper ARM: EXYNOS: make exynos_core_restart() less verbose ARM: EXYNOS: fix exynos_boot_secondary() return value on timeout ...
| * \ \ \ \ Merge tag 'samsung-mach-1' of ↵Kevin Hilman2015-06-11
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc Samsung updates for v4.2 - add failure(exception) handling : of_iomap(), of_find_device_by_node() and kstrdup() - add common poweroff to use PS_HOLD based for all of exynos SoCs - add exnos_get/set_boot_addr() helper - constify platform_device_id and irq_domain_ops - get current parent clock for power domain on/off - use core_initcall to register power domain driver - make exynos_core_restart() less verbose - add support coupled CPUidle for exynos3250 - fix exynos_boot_secondary() return value on timeout - fix clk_enable() in s3c24xx adc - fix missing of_node_put() for power domains * tag 'samsung-mach-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (301 commits) ARM: EXYNOS: register power domain driver from core_initcall ARM: EXYNOS: use PS_HOLD based poweroff for all supported SoCs ARM: SAMSUNG: Constify platform_device_id ARM: EXYNOS: Constify irq_domain_ops ARM: EXYNOS: add coupled cpuidle support for Exynos3250 ARM: EXYNOS: add exynos_get_boot_addr() helper ARM: EXYNOS: add exynos_set_boot_addr() helper ARM: EXYNOS: make exynos_core_restart() less verbose ARM: EXYNOS: fix exynos_boot_secondary() return value on timeout ARM: EXYNOS: Get current parent clock for power domain on/off ARM: SAMSUNG: fix clk_enable() WARNing in S3C24XX ADC ARM: EXYNOS: Add missing of_node_put() when parsing power domains ARM: EXYNOS: Handle of_find_device_by_node() and kstrdup() failures ARM: EXYNOS: Handle of of_iomap() failure Linux 4.1-rc4 ....
| | * | | | | ARM: EXYNOS: add exynos_get_boot_addr() helperBartlomiej Zolnierkiewicz2015-06-05
| | | |_|_|/ | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add get_cpu_boot_addr() firmware operation and then exynos_get_boot_addr() helper. This is a preparation for adding coupled cpuidle support for Exynos3250 SoC. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Kukjin Kim <kgene@kernel.org>
| * | | | | Merge tag 'imx-soc-4.2' of ↵Kevin Hilman2015-06-10
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc The i.MX SoC updates for 4.2: - Add new SoC i.MX7D support, which integrates two Cortex-A7 and one Cortex-M4 cores. - Support suspend from IRAM on i.MX53, so that DDR pins can be set to high impedance for more power saving during suspend. - Move i.MX clock drivers from arch/arm/mach-imx to drivers/clk/imx. - Move i.MX GPT timer driver from arch/arm/mach-imx into drivers/clocksource. - A couple of clock driver update for VF610 and i.MX6Q. - A few random code correction and improvement. * tag 'imx-soc-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (44 commits) ARM: imx: imx7d requires anatop clocksource: timer-imx-gpt: remove include of <asm/mach/time.h> ARM: imx: move timer driver into drivers/clocksource ARM: imx: remove platform headers from timer driver ARM: imx: provide gpt device specific irq functions ARM: imx: get rid of variable timer_base ARM: imx: define gpt register offset per device type ARM: imx: move clock event variables into imx_timer ARM: imx: set up .set_next_event hook via imx_gpt_data ARM: imx: setup tctl register in device specific function ARM: imx: initialize gpt device type for DT boot ARM: imx: define an enum for gpt timer device type ARM: imx: move timer resources into a structure ARM: imx: use relaxed IO accessor in timer driver ARM: imx: make imx51/3 suspend optional ARM: clk-imx6q: refine sata's parent ARM: imx: clk-v610: Add clock for I2C2 and I2C3 ARM: mach-imx: iomux-imx31: Use DECLARE_BITMAP ARM: imx: add imx7d clk tree support ARM: clk: imx: update pllv3 to support imx7 ... Conflicts: arch/arm/mach-imx/Kconfig
| | * | | | | ARM: imx7d: add low level debug uart supportAnson Huang2015-06-03
| | | |/ / / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add low level uart debug support for imx7d Signed-off-by: Frank Li <Frank.Li@freescale.com> Signed-off-by: Bai Ping <b51503@freescale.com> Signed-off-by: Anson Huang <b20788@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
| * | | | | Merge tag 'arm-soc/for-4.2/soc-take2' of http://github.com/broadcom/stblinux ↵Arnd Bergmann2015-05-22
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | into next/soc Merge mach-bcm changes from Florian Fainelli: This pull request contains the following changes: - Rafal adds an additional fault code to be ignored by the kernel on BCM5301X SoC - BCM63138 SMP support which: * common code to control the PMB bus, to be shared with a reset controller driver in drivers/reset * secondary CPU initialization sequence using PMB helpers * small changes suggested by Russell King to allow platforms to disable VFP * tag 'arm-soc/for-4.2/soc-take2' of http://github.com/broadcom/stblinux: ARM: BCM63xx: Add SMP support for BCM63138 ARM: vfp: Add vfp_disable for problematic platforms ARM: vfp: Add include guards ARM: BCM63xx: Add secondary CPU PMB initialization sequence ARM: BCM63xx: Add Broadcom BCM63xx PMB controller helpers ARM: BCM5301X: Ignore another (BCM4709 specific) fault code
| | * | | | | ARM: vfp: Add vfp_disable for problematic platformsFlorian Fainelli2015-05-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some platforms might not be able to fully utilize VFP when e.g: one CPU out of two in a SMP complex lacks a VFP unit. Adding code to migrate task to the CPU which has a VFP unit would be cumbersome and not performant, instead, just add the ability to disable VFP. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
| | * | | | | ARM: vfp: Add include guardsFlorian Fainelli2015-05-20
| | |/ / / / | | | | | | | | | | | | | | | | | | Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
| * | | | | ARM: unify MMU/!MMU addruart callsStefan Agner2015-05-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the needless differences between MMU/!MMU addruart calls. This allows to use the same addruart macro on SoC level. Useful for SoC consisting of multiple CPUs with and without MMU such as Freescale Vybrid. Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| * | | | | ARM: zx: add low level debug support for zx296702Jun Nie2015-05-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the UART0 peripheral for low level debug. Only the UART port 0 is currently supported. Signed-off-by: Jun Nie <jun.nie@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| * | | | | Merge tag 'socfpga_updates_for_v4.2' of ↵Arnd Bergmann2015-05-13
| |\ \ \ \ \ | | |_|/ / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into next/soc Merge "SoCFPGA updates for v4.2" from Dinh Nguyen: - Add big endian support - Add earlyprintk support on UART1 that is used on Arria10 - Remove the need to map uart_io_desc - Use of_iomap to map the SCU - Remove socfpga_smp_init_cpus as arm_dt_init_cpu_maps is already doing the CPU mapping. * tag 'socfpga_updates_for_v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux: ARM: socfpga: use of_iomap to map the SCU ARM: socfpga: remove the need to map uart_io_desc ARM: socfpga: Add support for UART1 debug uart for earlyprintk ARM: socfpga: support big endian for socfpga ARM: socfpga: enable big endian for secondary core(s) ARM: debug: fix big endian operation for 8250 word mode
| | * | | | ARM: debug: fix big endian operation for 8250 word modeBen Dooks2015-05-11
| | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the 8250 debug code is used in word mode on an big endian host then the writes need to be change into little endian for the bus. Note, we have to re-convert the value back as the debug code will inspect the value after writing it to see if a newline has been written. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
* | | | | Merge tag 'armsoc-cleanup' of ↵Linus Torvalds2015-06-26
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC cleanups from Kevin Hilman: "A relatively small setup of cleanups this time around, and similar to last time the bulk of it is removal of legacy board support: - OMAP: removal of legacy (non-DT) booting for several platforms - i.MX: remove some legacy board files" * tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (36 commits) ARM: fix EFM32 build breakage caused by cpu_resume_arm ARM: 8389/1: Add cpu_resume_arm() for firmwares that resume in ARM state ARM: v7 setup function should invalidate L1 cache mach-omap2: Remove use of deprecated marco, PTR_RET in devices.c ARM: OMAP2+: Remove calls to deprecacted marco,PTR_RET in the files,fb.c and pmu.c ARM: OMAP2+: Constify irq_domain_ops ARM: OMAP2+: use symbolic defines for console loglevels instead of numbers ARM: at91: remove useless Makefile.boot ARM: at91: remove at91rm9200_sdramc.h ARM: at91: remove mach/at91_ramc.h and mach/at91rm9200_mc.h ARM: at91/pm: use the atmel-mc syscon defines pcmcia: at91_cf: Use syscon to configure the MC/smc ARM: at91: declare the at91rm9200 memory controller as a syscon mfd: syscon: Add Atmel MC (Memory Controller) registers definition ARM: at91: drop sam9_smc.c ata: at91: use syscon to configure the smc ARM: ux500: delete static resource defines ARM: ux500: rename ux500_map_io ARM: ux500: look up PRCMU resource from DT ARM: ux500: kill off L2CC static map ...
| * \ \ \ \ Merge branch 'for-arm-soc' of ↵Kevin Hilman2015-06-12
| |\ \ \ \ \ | | |/ / / / | |/| | | / | | | |_|/ | | |/| | | | | | | | | | | | | | | | | | | | | | http://ftp.arm.linux.org.uk/pub/armlinux/kernel/git-cur/linux-2.6-arm into next/cleanup * 'for-arm-soc' of http://ftp.arm.linux.org.uk/pub/armlinux/kernel/git-cur/linux-2.6-arm: ARM: fix EFM32 build breakage caused by cpu_resume_arm ARM: 8389/1: Add cpu_resume_arm() for firmwares that resume in ARM state ARM: v7 setup function should invalidate L1 cache
| | * | | ARM: 8389/1: Add cpu_resume_arm() for firmwares that resume in ARM stateStephen Boyd2015-06-12
| | |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some platforms always enter the kernel in the ARM state even if the kernel is compiled for THUMB2. Add a small wrapper on top of cpu_resume() that switches into THUMB2 state. This provides the functionality to fix a problem reported by Kevin Hilman on next-20150601 where the ifc6410 fails to boot a THUMB2 kernel because the platform's firmware always enters the kernel in ARM mode from deep idle states. (rmk: tweaked to work without BSYM->badr changes.) Reported-by: Kevin Hilman <khilman@linaro.org> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Lina Iyer <lina.iyer@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | | Merge branch 'akpm' (patches from Andrew)Linus Torvalds2015-06-26
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge second patchbomb from Andrew Morton: - most of the rest of MM - lots of misc things - procfs updates - printk feature work - updates to get_maintainer, MAINTAINERS, checkpatch - lib/ updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (96 commits) exit,stats: /* obey this comment */ coredump: add __printf attribute to cn_*printf functions coredump: use from_kuid/kgid when formatting corename fs/reiserfs: remove unneeded cast NILFS2: support NFSv2 export fs/befs/btree.c: remove unneeded initializations fs/minix: remove unneeded cast init/do_mounts.c: add create_dev() failure log kasan: remove duplicate definition of the macro KASAN_FREE_PAGE fs/efs: femove unneeded cast checkpatch: emit "NOTE: <types>" message only once after multiple files checkpatch: emit an error when there's a diff in a changelog checkpatch: validate MODULE_LICENSE content checkpatch: add multi-line handling for PREFER_ETHER_ADDR_COPY checkpatch: suggest using eth_zero_addr() and eth_broadcast_addr() checkpatch: fix processing of MEMSET issues checkpatch: suggest using ether_addr_equal*() checkpatch: avoid NOT_UNIFIED_DIFF errors on cover-letter.patch files checkpatch: remove local from codespell path checkpatch: add --showfile to allow input via pipe to show filenames ...
| * | | | mm/hugetlb: remove arch_prepare/release_hugepage from arch headersDominik Dingel2015-06-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nobody used these hooks so they were removed from common code, and can now be removed from the architectures. Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-blockLinus Torvalds2015-06-25
|\ \ \ \ \ | |/ / / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull asm/scatterlist.h removal from Jens Axboe: "We don't have any specific arch scatterlist anymore, since parisc finally switched over. Kill the include" * 'for-4.2/sg' of git://git.kernel.dk/linux-block: remove scatterlist.h generation from arch Kbuild files remove <asm/scatterlist.h>
| * | | | remove scatterlist.h generation from arch Kbuild filesChristoph Hellwig2015-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Jens Axboe <axboe@fb.com>