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2015-02-13all arches, signal: move restart_block to struct task_structAndy Lutomirski2-5/+1
If an attacker can cause a controlled kernel stack overflow, overwriting the restart block is a very juicy exploit target. This is because the restart_block is held in the same memory allocation as the kernel stack. Moving the restart block to struct task_struct prevents this exploit by making the restart_block harder to locate. Note that there are other fields in thread_info that are also easy targets, at least on some architectures. It's also a decent simplification, since the restart code is more or less identical on all architectures. [james.hogan@imgtec.com: metag: align thread_info::supervisor_stack] Signed-off-by: Andy Lutomirski <luto@amacapital.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: David Miller <davem@davemloft.net> Acked-by: Richard Weinberger <richard@nod.at> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Steven Miao <realmz6@gmail.com> Cc: Mark Salter <msalter@redhat.com> Cc: Aurelien Jacquiot <a-jacquiot@ti.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Jonas Bonn <jonas@southpole.se> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Tested-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Chen Liqin <liqin.linux@gmail.com> Cc: Lennox Wu <lennox.wu@gmail.com> Cc: Chris Metcalf <cmetcalf@ezchip.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-12mm: make FIRST_USER_ADDRESS unsigned long on all archsKirill A. Shutemov1-1/+1
LKP has triggered a compiler warning after my recent patch "mm: account pmd page tables to the process": mm/mmap.c: In function 'exit_mmap': >> mm/mmap.c:2857:2: warning: right shift count >= width of type [enabled by default] The code: > 2857 WARN_ON(mm_nr_pmds(mm) > 2858 round_up(FIRST_USER_ADDRESS, PUD_SIZE) >> PUD_SHIFT); In this, on tile, we have FIRST_USER_ADDRESS defined as 0. round_up() has the same type -- int. PUD_SHIFT. I think the best way to fix it is to define FIRST_USER_ADDRESS as unsigned long. On every arch for consistency. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reported-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-11hexagon: drop _PAGE_FILE and pte_file()-related helpersKirill A. Shutemov1-44/+16
We've replaced remap_file_pages(2) implementation with emulation. Nobody creates non-linear mapping anymore. This patch also increase number of bits availble for swap offset. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-20Merge branch 'for-linus' of ↵Linus Torvalds8-27/+38
git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel Pull arch/hexagon updates from Richard Kuo: "Build cleanup and a few misc fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel: Hexagon: fix signal delivery for debug traps Hexagon: set ARCH_DMA_MINALIGN Hexagon: fix alignment of init_task in RW_DATA_SECTION hexagon: Fix build failures in linux-next
2014-12-16Hexagon: fix signal delivery for debug trapsRichard Kuo1-2/+2
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-12-16Hexagon: set ARCH_DMA_MINALIGNRichard Kuo1-1/+3
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-12-16Hexagon: fix alignment of init_task in RW_DATA_SECTIONRichard Kuo1-2/+2
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-12-16hexagon: Fix build failures in linux-nextGuenter Roeck5-22/+31
hexagon:defconfig fails to build in linux-next since commit 332fd7c4fef5 ("genirq: Generic chip: Change irq_reg_{readl,writel} arguments"). The primary build failure is arch/hexagon/include/asm/cacheflush.h: In function 'copy_to_user_page': arch/hexagon/include/asm/cacheflush.h:89:22: error: 'VM_EXEC' undeclared This is the result of including of <linux/io.h> from <linux/irq.h>, which is now necessary due to the use of readl and writel from irq.h. This causes recursive inclusions in hexagon code; cacheflush.h is included from mm.h prior to the definition of VM_EXEC. Fix the problem by moving copy_to_user_page from the hexagon include file to arch/hexagon/mm/cache.c, similar to other architectures. After this change, several redefinitions of readl and writel are reported. Those are caused by recursive inclusions of io.h and asm/cacheflush.h. Fix those problems by reducing the number of files included from those files. Also, it was necessary to stop including asm-generic/cacheflush.h from asm/cacheflush.h. Instead, functionality originally provided by asm-generic/cacheflush.h is now coded in asm/cacheflush.h directly. Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-12-10net, lib: kill arch_fast_hash library bitsDaniel Borkmann1-1/+0
As there are now no remaining users of arch_fast_hash(), lets kill it entirely. This basically reverts commit 71ae8aac3e19 ("lib: introduce arch optimized hash library") and follow-up work, that is f.e., commit 237217546d44 ("lib: hash: follow-up fixups for arch hash"), commit e3fec2f74f7f ("lib: Add missing arch generic-y entries for asm-generic/hash.h") and last but not least commit 6a02652df511 ("perf tools: Fix include for non x86 architectures"). Cc: Francesco Fusco <fusco@ntop.org> Cc: Thomas Graf <tgraf@suug.ch> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-13Merge branch 'locking-arch-for-linus' of ↵Linus Torvalds1-31/+37
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull arch atomic cleanups from Ingo Molnar: "This is a series kept separate from the main locking tree, which cleans up and improves various details in the atomics type handling: - Remove the unused atomic_or_long() method - Consolidate and compress atomic ops implementations between architectures, to reduce linecount and to make it easier to add new ops. - Rewrite generic atomic support to only require cmpxchg() from an architecture - generate all other methods from that" * 'locking-arch-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits) locking,arch: Use ACCESS_ONCE() instead of cast to volatile in atomic_read() locking, mips: Fix atomics locking, sparc64: Fix atomics locking,arch: Rewrite generic atomic support locking,arch,xtensa: Fold atomic_ops locking,arch,sparc: Fold atomic_ops locking,arch,sh: Fold atomic_ops locking,arch,powerpc: Fold atomic_ops locking,arch,parisc: Fold atomic_ops locking,arch,mn10300: Fold atomic_ops locking,arch,mips: Fold atomic_ops locking,arch,metag: Fold atomic_ops locking,arch,m68k: Fold atomic_ops locking,arch,m32r: Fold atomic_ops locking,arch,ia64: Fold atomic_ops locking,arch,hexagon: Fold atomic_ops locking,arch,cris: Fold atomic_ops locking,arch,avr32: Fold atomic_ops locking,arch,arm64: Fold atomic_ops locking,arch,arm: Fold atomic_ops ...
2014-09-13irq_work: Introduce arch_irq_work_has_interrupt()Peter Zijlstra1-0/+1
The nohz full code needs irq work to trigger its own interrupt so that the subsystem can work even when the tick is stopped. Lets introduce arch_irq_work_has_interrupt() that archs can override to tell about their support for this ability. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
2014-08-30flush_icache_range: export symbol to fix build errorsPranith Kumar1-0/+1
Fix building errors occuring due to a missing export of flush_icache_range() in kisskb.ellerman.id.au/kisskb/buildresult/11677809/ ERROR: "flush_icache_range" [drivers/misc/lkdtm.ko] undefined! Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Vineet Gupta <vgupta@synopsys.com> [arc] Acked-by: Richard Kuo <rkuo@codeaurora.org> [hexagon] Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Chris Zankel <chris@zankel.net> Acked-by: Max Filippov <jcmvbkbc@gmail.com> [xtensa] Cc: Noam Camus <noamc@ezchip.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Acked-by: Zhigang Lu <zlu@tilera.com> [tile] Cc: Kirill Tkhai <tkhai@yandex.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-14locking,arch,hexagon: Fold atomic_opsPeter Zijlstra1-31/+37
OK, no LoC saved in this case because the !return variants were defined in terms of the return ops. Still do it because this also prepares for easy addition of new ops. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Richard Kuo <rkuo@codeaurora.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: linux-hexagon@vger.kernel.org Link: http://lkml.kernel.org/r/20140508135852.171567636@infradead.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-08-09Merge branch 'signal-cleanup' of ↵Linus Torvalds1-37/+20
git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc Pull arch signal handling cleanup from Richard Weinberger: "This patch series moves all remaining archs to the get_signal(), signal_setup_done() and sigsp() functions. Currently these archs use open coded variants of the said functions. Further, unused parameters get removed from get_signal_to_deliver(), tracehook_signal_handler() and signal_delivered(). At the end of the day we save around 500 lines of code." * 'signal-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc: (43 commits) powerpc: Use sigsp() openrisc: Use sigsp() mn10300: Use sigsp() mips: Use sigsp() microblaze: Use sigsp() metag: Use sigsp() m68k: Use sigsp() m32r: Use sigsp() hexagon: Use sigsp() frv: Use sigsp() cris: Use sigsp() c6x: Use sigsp() blackfin: Use sigsp() avr32: Use sigsp() arm64: Use sigsp() arc: Use sigsp() sas_ss_flags: Remove nested ternary if Rip out get_signal_to_deliver() Clean up signal_delivered() tracehook_signal_handler: Remove sig, info, ka and regs ...
2014-08-07Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull trivial tree changes from Jiri Kosina: "Summer edition of trivial tree updates" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits) doc: fix two typos in watchdog-api.txt irq-gic: remove file name from heading comment MAINTAINERS: Add miscdevice.h to file list for char/misc drivers. scsi: mvsas: mv_sas.c: Fix for possible null pointer dereference doc: replace "practise" with "practice" in Documentation befs: remove check for CONFIG_BEFS_RW scsi: doc: fix 'SCSI_NCR_SETUP_MASTER_PARITY' drivers/usb/phy/phy.c: remove a leading space mfd: fix comment cpuidle: fix comment doc: hpfall.c: fix missing null-terminate after strncpy call usb: doc: hotplug.txt code typos kbuild: fix comment in Makefile.modinst SH: add proper prompt to SH_MAGIC_PANEL_R2_VERSION ARM: msm: Remove MSM_SCM crypto: Remove MPILIB_EXTRA doc: CN: remove dead link, kerneltrap.org no longer works media: update reference, kerneltrap.org no longer works hexagon: update reference, kerneltrap.org no longer works doc: LSM: update reference, kerneltrap.org no longer works ...
2014-08-06hexagon: Use sigsp()Richard Weinberger1-11/+3
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06hexagon: Use get_signal() signal_setup_done()Richard Weinberger1-27/+18
Use the more generic functions get_signal() signal_setup_done() for signal delivery. Acked-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Richard Weinberger <richard@nod.at>
2014-08-06Merge branch 'timers-core-for-linus' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer and time updates from Thomas Gleixner: "A rather large update of timers, timekeeping & co - Core timekeeping code is year-2038 safe now for 32bit machines. Now we just need to fix all in kernel users and the gazillion of user space interfaces which rely on timespec/timeval :) - Better cache layout for the timekeeping internal data structures. - Proper nanosecond based interfaces for in kernel users. - Tree wide cleanup of code which wants nanoseconds but does hoops and loops to convert back and forth from timespecs. Some of it definitely belongs into the ugly code museum. - Consolidation of the timekeeping interface zoo. - A fast NMI safe accessor to clock monotonic for tracing. This is a long standing request to support correlated user/kernel space traces. With proper NTP frequency correction it's also suitable for correlation of traces accross separate machines. - Checkpoint/restart support for timerfd. - A few NOHZ[_FULL] improvements in the [hr]timer code. - Code move from kernel to kernel/time of all time* related code. - New clocksource/event drivers from the ARM universe. I'm really impressed that despite an architected timer in the newer chips SoC manufacturers insist on inventing new and differently broken SoC specific timers. [ Ed. "Impressed"? I don't think that word means what you think it means ] - Another round of code move from arch to drivers. Looks like most of the legacy mess in ARM regarding timers is sorted out except for a few obnoxious strongholds. - The usual updates and fixlets all over the place" * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (114 commits) timekeeping: Fixup typo in update_vsyscall_old definition clocksource: document some basic timekeeping concepts timekeeping: Use cached ntp_tick_length when accumulating error timekeeping: Rework frequency adjustments to work better w/ nohz timekeeping: Minor fixup for timespec64->timespec assignment ftrace: Provide trace clocks monotonic timekeeping: Provide fast and NMI safe access to CLOCK_MONOTONIC seqcount: Add raw_write_seqcount_latch() seqcount: Provide raw_read_seqcount() timekeeping: Use tk_read_base as argument for timekeeping_get_ns() timekeeping: Create struct tk_read_base and use it in struct timekeeper timekeeping: Restructure the timekeeper some more clocksource: Get rid of cycle_last clocksource: Move cycle_last validation to core code clocksource: Make delta calculation a function wireless: ath9k: Get rid of timespec conversions drm: vmwgfx: Use nsec based interfaces drm: i915: Use nsec based interfaces timekeeping: Provide ktime_get_raw() hangcheck-timer: Use ktime_get_ns() ...
2014-07-23ktime: Kill non-scalar ktime_t implementation for 2038John Stultz1-1/+0
The non-scalar ktime_t implementation is basically a timespec which has to be changed to support dates past 2038 on 32bit systems. This patch removes the non-scalar ktime_t implementation, forcing the scalar s64 nanosecond version on all architectures. This may have additional performance overhead on some 32bit systems when converting between ktime_t and timespec structures, however the majority of 32bit systems (arm and i386) were already using scalar ktime_t, so no performance regressions will be seen on those platforms. On affected platforms, I'm open to finding optimizations, including avoiding converting to timespecs where possible. [ tglx: We can now cleanup the ktime_t.tv64 mess, but thats a different issue and we can throw a coccinelle script at it ] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
2014-07-17arch, locking: Ciao arch_mutex_cpu_relax()Davidlohr Bueso1-0/+1
The arch_mutex_cpu_relax() function, introduced by 34b133f, is hacky and ugly. It was added a few years ago to address the fact that common cpu_relax() calls include yielding on s390, and thus impact the optimistic spinning functionality of mutexes. Nowadays we use this function well beyond mutexes: rwsem, qrwlock, mcs and lockref. Since the macro that defines the call is in the mutex header, any users must include mutex.h and the naming is misleading as well. This patch (i) renames the call to cpu_relax_lowlatency ("relax, but only if you can do it with very low latency") and (ii) defines it in each arch's asm/processor.h local header, just like for regular cpu_relax functions. On all archs, except s390, cpu_relax_lowlatency is simply cpu_relax, and thus we can take it out of mutex.h. While this can seem redundant, I believe it is a good choice as it allows us to move out arch specific logic from generic locking primitives and enables future(?) archs to transparently define it, similarly to System Z. Signed-off-by: Davidlohr Bueso <davidlohr@hp.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Anton Blanchard <anton@samba.org> Cc: Aurelien Jacquiot <a-jacquiot@ti.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Bharat Bhushan <r65777@freescale.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chen Liqin <liqin.linux@gmail.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Chris Zankel <chris@zankel.net> Cc: David Howells <dhowells@redhat.com> Cc: David S. Miller <davem@davemloft.net> Cc: Deepthi Dharwar <deepthi@linux.vnet.ibm.com> Cc: Dominik Dingel <dingel@linux.vnet.ibm.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: James E.J. Bottomley <jejb@parisc-linux.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Joe Perches <joe@perches.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Joseph Myers <joseph@codesourcery.com> Cc: Kees Cook <keescook@chromium.org> Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Cc: Lennox Wu <lennox.wu@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mark Salter <msalter@redhat.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Neuling <mikey@neuling.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Mikael Starvik <starvik@axis.com> Cc: Nicolas Pitre <nico@linaro.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Qais Yousef <qais.yousef@imgtec.com> Cc: Qiaowei Ren <qiaowei.ren@intel.com> Cc: Rafael Wysocki <rafael.j.wysocki@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Russell King <linux@arm.linux.org.uk> Cc: Steven Miao <realmz6@gmail.com> Cc: Steven Rostedt <srostedt@redhat.com> Cc: Stratos Karafotis <stratosk@semaphore.gr> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Vasily Kulikov <segoon@openwall.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com> Cc: Waiman Long <Waiman.Long@hp.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Wolfram Sang <wsa@the-dreams.de> Cc: adi-buildroot-devel@lists.sourceforge.net Cc: linux390@de.ibm.com Cc: linux-alpha@vger.kernel.org Cc: linux-am33-list@redhat.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-c6x-dev@linux-c6x.org Cc: linux-cris-kernel@axis.com Cc: linux-hexagon@vger.kernel.org Cc: linux-ia64@vger.kernel.org Cc: linux@lists.openrisc.net Cc: linux-m32r-ja@ml.linux-m32r.org Cc: linux-m32r@ml.linux-m32r.org Cc: linux-m68k@lists.linux-m68k.org Cc: linux-metag@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-parisc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-s390@vger.kernel.org Cc: linux-sh@vger.kernel.org Cc: linux-xtensa@linux-xtensa.org Cc: sparclinux@vger.kernel.org Link: http://lkml.kernel.org/r/1404079773.2619.4.camel@buesod1.americas.hpqcorp.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-06-19hexagon: update reference, kerneltrap.org no longer worksPranith Kumar1-1/+1
kerneltrap.org no longer works, update to a working reference Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Acked-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-04-18arch,hexagon: Convert smp_mb__*()Peter Zijlstra2-8/+2
Hexagon uses asm-gemeric/barrier.h and its smp_mb() is barrier(). Therefore we can use the default implementation that uses smp_mb(). Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Link: http://lkml.kernel.org/n/tip-87irqrrbgizeojjfdqhypud3@git.kernel.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: linux-hexagon@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-04-18arc,hexagon: Delete asm/barrier.hPeter Zijlstra1-37/+0
Both already use asm-generic/barrier.h as per their include/asm/Kbuild. Remove the stale files. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Link: http://lkml.kernel.org/n/tip-c7vlkshl3tblim0o8z2p70kt@git.kernel.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: linux-hexagon@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-04-08Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAPUwe Kleine-König1-1/+1
If the renamed symbol is defined lib/iomap.c implements ioport_map and ioport_unmap and currently (nearly) all platforms define the port accessor functions outb/inb and friend unconditionally. So HAS_IOPORT_MAP is the better name for this. Consequently NO_IOPORT is renamed to NO_IOPORT_MAP. The motivation for this change is to reintroduce a symbol HAS_IOPORT that signals if outb/int et al are available. I will address that at least one merge window later though to keep surprises to a minimum and catch new introductions of (HAS|NO)_IOPORT. The changes in this commit were done using: $ git grep -l -E '(NO|HAS)_IOPORT' | xargs perl -p -i -e 's/\b((?:CONFIG_)?(?:NO|HAS)_IOPORT)\b/$1_MAP/' Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-06Merge branch 'for-linus' of ↵Linus Torvalds21-62/+108
git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel Pull Hexagon updates from Richard Kuo: "Mostly cleanups for compilation with allmodconfig and some other miscellaneous fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel: Hexagon: update CR year for elf.h Hexagon: remove SP macro Hexagon: set ELF_EXEC_PAGESIZE to PAGE_SIZE Hexagon: set the e_flags in user regset view for core dumps Hexagon: fix atomic_set Hexagon: add screen_info for VGA_CONSOLE hexagon: correct type on pgd copy smp, hexagon: kill SMP single function call interrupt arch: hexagon: include: asm: add generic macro 'mmiowb' in "io.h" arch: hexagon: kernel: hexagon_ksyms.c: export related symbols which various modules need arch: hexagon: kernel: reset.c: use function pointer instead of function for pm_power_off and export it arch: hexagon: include: asm: add "vga.h" in Kbuild arch: hexagon: include: asm: Kbuild: add generic "serial.h" in Kbuild arch: hexagon: include: uapi: asm: setup.h add swith macro __KERNEL__ arch: hexagon: include: asm: add prefix "hvm[ci]_" for all enum members in "hexagon_vm.h" arch: hexagon: Kconfig: add HAVE_DMA_ATTR in Kconfig and remove "linux/dma-mapping.h" from "asm/dma-mapping.h" arch: hexagon: kernel: add export symbol function __delay() hexagon: include: asm: kgdb: extend DBG_MAX_REG_NUM for "cs0/1" hexagon: kernel: kgdb: include related header for pass compiling. hexagon: kernel: remove useless variables 'dn', 'r' and 'err' in time_init_deferred() in "time.c"
2014-04-05Hexagon: update CR year for elf.hRichard Kuo1-1/+1
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05Hexagon: remove SP macroRichard Kuo1-3/+1
The SP/r29 macro wasn't used anywhere else and was causing conflicts with another module, so just remove it. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05Hexagon: set ELF_EXEC_PAGESIZE to PAGE_SIZERichard Kuo1-1/+1
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05Hexagon: set the e_flags in user regset view for core dumpsRichard Kuo1-0/+1
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05Hexagon: fix atomic_setRichard Kuo1-1/+14
Normal writes in our our architecture don't invalidate lock reservations. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05Hexagon: add screen_info for VGA_CONSOLERichard Kuo2-0/+5
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05hexagon: correct type on pgd copyIlia Mirkin1-1/+1
swapper_pg_dir is an array of pgd_t, not pgd_t*. This has no actual effect since sizeof(pgd_t) == sizeof(pgd_t*), but unconfuses tools that check types. Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05smp, hexagon: kill SMP single function call interruptJiang Liu2-6/+1
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic similar to smp_call_function_single()" has unified the way to handle single and multiple cross-CPU function calls. Now only one intterupt is needed for architecture specific code to support generic SMP function call interfaces, so kill the redundant single function call interrupt. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Shaohua Li <shli@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Ingo Molnar <mingo@elte.hu> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Jiri Kosina <trivial@kernel.org> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: linux-hexagon@vger.kernel.org Signed-off-by: Jiang Liu <liuj97@gmail.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05arch: hexagon: include: asm: add generic macro 'mmiowb' in "io.h"Chen Gang1-0/+2
Need dumy mmiowb(), or can not pass compiling, the related error with allmodconfig: CC [M] drivers/mmc/host/sdhci.o drivers/mmc/host/sdhci.c: In function 'sdhci_request': drivers/mmc/host/sdhci.c:1409:2: error: implicit declaration of function 'mmiowb' [-Werror=implicit-function-declaration] Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05arch: hexagon: kernel: hexagon_ksyms.c: export related symbols which various ↵Chen Gang1-4/+20
modules need Need export all related functions and symbols for various modules with allmodconfig. The related errors: MODPOST 2879 modules ERROR: "__vmyield" [sound/sound_firmware.ko] undefined! ERROR: "__phys_offset" [sound/drivers/snd-dummy.ko] undefined! ERROR: "ioremap_nocache" [drivers/char/ipmi/ipmi_si.ko] undefined! ERROR: "__iounmap" [drivers/char/ipmi/ipmi_si.ko] undefined! ... For including files, need "linux/*" first, then "asm/*". All related included files and symbols need be sorted by alphabetical order. Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05arch: hexagon: kernel: reset.c: use function pointer instead of function for ↵Chen Gang1-3/+2
pm_power_off and export it 'pm_power_off' is a function pointer, not a function, so need change its type, and also need export it, or can not pass compiling with allmodconfig. The related error: MODPOST 2879 modules ERROR: "pm_power_off" [drivers/char/ipmi/ipmi_poweroff.ko] undefined! Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05arch: hexagon: include: asm: add "vga.h" in KbuildChen Gang1-1/+2
Need include generic "vga.h", or can not pass compiling with allmodconfig, the related error: CC [M] drivers/gpu/drm/drm_irq.o In file included from include/linux/vgaarb.h:34:0, from drivers/gpu/drm/drm_irq.c:42: include/video/vga.h:22:21: fatal error: asm/vga.h: No such file or directory Also move "preempt.h" upper to match sort order. Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05arch: hexagon: include: asm: Kbuild: add generic "serial.h" in KbuildChen Gang1-0/+1
Add "serial.h" in Kbuild, or can not pass compiling with allmodconfig, the related error: CC [M] drivers/staging/speakup/speakup_acntpc.o In file included from drivers/staging/speakup/speakup_acntpc.c:33:0: drivers/staging/speakup/serialio.h:7:24: fatal error: asm/serial.h: No such file or directory Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05arch: hexagon: include: uapi: asm: setup.h add swith macro __KERNEL__Chen Gang1-0/+5
Define dummy '__init' instead of include "linux/init.h" if !__KERNEL__, or can not pass checking. The related error (with allmodconfig under hexagon): CHECK include/asm (34 files) usr/include/asm/setup.h:22: included file 'linux/init.h' is not exported Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05arch: hexagon: include: asm: add prefix "hvm[ci]_" for all enum members in ↵Chen Gang1-36/+36
"hexagon_vm.h" Append "hvmc_" or "hvmi_" to all related enum members (which are too common to make conflict with another sub-systems). The related error with allmodconfig: CC [M] drivers/md/raid1.o drivers/md/raid1.c:1440:13: error: 'status' redeclared as different kind of symbol arch/hexagon/include/asm/hexagon_vm.h:76:2: note: previous definition of 'status' was here Also use 'affinity' instead of 'locdis' for __vmintop_affinity(). Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05arch: hexagon: Kconfig: add HAVE_DMA_ATTR in Kconfig and remove ↵Chen Gang2-1/+1
"linux/dma-mapping.h" from "asm/dma-mapping.h" When HAS_DMA, and also need use generic implementation, HAVE_DMA_ATTR must be enabled, or can not pass compiling with allmodconfig, the related error: CC [M] drivers/ata/libata-core.o drivers/ata/libata-core.c: In function 'ata_sg_clean': drivers/ata/libata-core.c:4598:3: error: implicit declaration of function 'dma_unmap_sg' [-Werror=implicit-function-declaration] drivers/ata/libata-core.c: In function 'ata_sg_setup': drivers/ata/libata-core.c:4708:2: error: implicit declaration of function 'dma_map_sg' [-Werror=implicit-function-declaration] "linux/dma-mapping.h" will include "asm/dma-mapping.h", so need remove "linux/dma-mapping.h" from "asm/dma-mapping.h", Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05arch: hexagon: kernel: add export symbol function __delay()Chen Gang2-0/+10
Need add __delay() implementation, or can not pass allmodconfig in next-20131118 tree. The related error: CC kernel/locking/spinlock_debug.o kernel/locking/spinlock_debug.c: In function '__spin_lock_debug': kernel/locking/spinlock_debug.c:114:3: error: implicit declaration of function '__delay' [-Werror=implicit-function-declaration] Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05hexagon: include: asm: kgdb: extend DBG_MAX_REG_NUM for "cs0/1"Chen Gang1-2/+3
Need extend maximized number for "cs0/1", the related warning (with allmodconfig for v4): arch/hexagon/kernel/kgdb.c:79: warning: excess elements in array initializer arch/hexagon/kernel/kgdb.c:79: warning: (near initialization for 'dbg_reg_def') arch/hexagon/kernel/kgdb.c:80: warning: excess elements in array initializer arch/hexagon/kernel/kgdb.c:80: warning: (near initialization for 'dbg_reg_def') Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05hexagon: kernel: kgdb: include related header for pass compiling.Chen Gang1-0/+2
Need include related headers for pass compiling, the related error (with allmodconfig for v4): CC arch/hexagon/kernel/kgdb.o arch/hexagon/kernel/kgdb.c:30: error: invalid use of undefined type 'struct pt_regs' arch/hexagon/kernel/kgdb.c:31: error: invalid use of undefined type 'struct pt_regs' ... arch/hexagon/kernel/kgdb.c:220: error: implicit declaration of function 'local_irq_save' arch/hexagon/kernel/kgdb.c:222: error: implicit declaration of function 'local_irq_restore' ... Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-04-05hexagon: kernel: remove useless variables 'dn', 'r' and 'err' in ↵Chen Gang1-3/+0
time_init_deferred() in "time.c" Remove them, since they are useless. The related warnings (with allmodconfig for v4): CC arch/hexagon/kernel/time.o arch/hexagon/kernel/time.c: In function 'time_init_deferred': arch/hexagon/kernel/time.c:196: warning: unused variable 'err' arch/hexagon/kernel/time.c:195: warning: unused variable 'r' arch/hexagon/kernel/time.c:194: warning: unused variable 'dn' Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-02-10locking/mcs: Allow architecture specific asm files to be used for contended caseTim Chen1-0/+1
This patch allows each architecture to add its specific assembly optimized arch_mcs_spin_lock_contended and arch_mcs_spinlock_uncontended for MCS lock and unlock functions. Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com> Cc: Scott J Norton <scott.norton@hp.com> Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> Cc: AswinChandramouleeswaran <aswin@hp.com> Cc: George Spelvin <linux@horizon.com> Cc: Rik vanRiel <riel@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: MichelLespinasse <walken@google.com> Cc: Peter Hurley <peter@hurleysoftware.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Alex Shi <alex.shi@linaro.org> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: "Figo.zhang" <figo1802@gmail.com> Cc: "Paul E.McKenney" <paulmck@linux.vnet.ibm.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Davidlohr Bueso <davidlohr.bueso@hp.com> Cc: Waiman Long <waiman.long@hp.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Will Deacon <will.deacon@arm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matthew R Wilcox <matthew.r.wilcox@intel.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1390347382.3138.67.camel@schen9-DESK Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-02-10locking/mcs: Order the header files in Kbuild of each architecture in ↵Tim Chen1-3/+3
alphabetical order We perform a clean up of the Kbuid files in each architecture. We order the files in each Kbuild in alphabetical order by running the below script. for i in arch/*/include/asm/Kbuild do cat $i | gawk '/^generic-y/ { i = 3; do { for (; i <= NF; i++) { if ($i == "\\") { getline; i = 1; continue; } if ($i != "") hdr[$i] = $i; } break; } while (1); next; } // { print $0; } END { n = asort(hdr); for (i = 1; i <= n; i++) print "generic-y += " hdr[i]; }' > ${i}.sorted; mv ${i}.sorted $i; done Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Matthew R Wilcox <matthew.r.wilcox@intel.com> Cc: AswinChandramouleeswaran <aswin@hp.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: "Paul E.McKenney" <paulmck@linux.vnet.ibm.com> Cc: Scott J Norton <scott.norton@hp.com> Cc: Will Deacon <will.deacon@arm.com> Cc: "Figo.zhang" <figo1802@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Rik van Riel <riel@redhat.com> Cc: Waiman Long <waiman.long@hp.com> Cc: Peter Hurley <peter@hurleysoftware.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Alex Shi <alex.shi@linaro.org> Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: George Spelvin <linux@horizon.com> Cc: MichelLespinasse <walken@google.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Davidlohr Bueso <davidlohr.bueso@hp.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> [ Fixed build bug. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-01-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds1-0/+1
Pull networking updates from David Miller: 1) BPF debugger and asm tool by Daniel Borkmann. 2) Speed up create/bind in AF_PACKET, also from Daniel Borkmann. 3) Correct reciprocal_divide and update users, from Hannes Frederic Sowa and Daniel Borkmann. 4) Currently we only have a "set" operation for the hw timestamp socket ioctl, add a "get" operation to match. From Ben Hutchings. 5) Add better trace events for debugging driver datapath problems, also from Ben Hutchings. 6) Implement auto corking in TCP, from Eric Dumazet. Basically, if we have a small send and a previous packet is already in the qdisc or device queue, defer until TX completion or we get more data. 7) Allow userspace to manage ipv6 temporary addresses, from Jiri Pirko. 8) Add a qdisc bypass option for AF_PACKET sockets, from Daniel Borkmann. 9) Share IP header compression code between Bluetooth and IEEE802154 layers, from Jukka Rissanen. 10) Fix ipv6 router reachability probing, from Jiri Benc. 11) Allow packets to be captured on macvtap devices, from Vlad Yasevich. 12) Support tunneling in GRO layer, from Jerry Chu. 13) Allow bonding to be configured fully using netlink, from Scott Feldman. 14) Allow AF_PACKET users to obtain the VLAN TPID, just like they can already get the TCI. From Atzm Watanabe. 15) New "Heavy Hitter" qdisc, from Terry Lam. 16) Significantly improve the IPSEC support in pktgen, from Fan Du. 17) Allow ipv4 tunnels to cache routes, just like sockets. From Tom Herbert. 18) Add Proportional Integral Enhanced packet scheduler, from Vijay Subramanian. 19) Allow openvswitch to mmap'd netlink, from Thomas Graf. 20) Key TCP metrics blobs also by source address, not just destination address. From Christoph Paasch. 21) Support 10G in generic phylib. From Andy Fleming. 22) Try to short-circuit GRO flow compares using device provided RX hash, if provided. From Tom Herbert. The wireless and netfilter folks have been busy little bees too. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2064 commits) net/cxgb4: Fix referencing freed adapter ipv6: reallocate addrconf router for ipv6 address when lo device up fib_frontend: fix possible NULL pointer dereference rtnetlink: remove IFLA_BOND_SLAVE definition rtnetlink: remove check for fill_slave_info in rtnl_have_link_slave_info qlcnic: update version to 5.3.55 qlcnic: Enhance logic to calculate msix vectors. qlcnic: Refactor interrupt coalescing code for all adapters. qlcnic: Update poll controller code path qlcnic: Interrupt code cleanup qlcnic: Enhance Tx timeout debugging. qlcnic: Use bool for rx_mac_learn. bonding: fix u64 division rtnetlink: add missing IFLA_BOND_AD_INFO_UNSPEC sfc: Use the correct maximum TX DMA ring size for SFC9100 Add Shradha Shah as the sfc driver maintainer. net/vxlan: Share RX skb de-marking and checksum checks with ovs tulip: cleanup by using ARRAY_SIZE() ip_tunnel: clear IPCB in ip_tunnel_xmit() in case dst_link_failure() is called net/cxgb4: Don't retrieve stats during recovery ...
2014-01-24hexagon: use generic fixmap.hMark Salter1-39/+1
Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-14arch: Re-sort some Kbuild files to hopefully help avoid some conflictsStephen Rothwell1-1/+1
Checkin: 93ea02bb8435 arch: Clean up asm/barrier.h implementations using asm-generic/barrier.h ... unfortunately left some Kbuild files out of order, which caused unnecessary merge conflicts, in particular with checkin: e3fec2f74f7f lib: Add missing arch generic-y entries for asm-generic/hash.h Put them back in order to make the upcoming merges cleaner. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Link: http://lkml.kernel.org/r/20140114164420.d296fbcc4be3a5f126c86069@canb.auug.org.au Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Peter Zijlstra <peterz@infradead.org> Cc: David Miller <davem@davemloft.net>
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