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* MIPS: Fix build with binutils 2.24.51+Manuel Lauss2014-11-0714-17/+118
| | | | | | | | | | | | | | | | | | | | | | | | | Starting with version 2.24.51.20140728 MIPS binutils complain loudly about mixing soft-float and hard-float object files, leading to this build failure since GCC is invoked with "-msoft-float" on MIPS: {standard input}: Warning: .gnu_attribute 4,3 requires `softfloat' LD arch/mips/alchemy/common/built-in.o mipsel-softfloat-linux-gnu-ld: Warning: arch/mips/alchemy/common/built-in.o uses -msoft-float (set by arch/mips/alchemy/common/prom.o), arch/mips/alchemy/common/sleeper.o uses -mhard-float To fix this, we detect if GAS is new enough to support "-msoft-float" command option, and if it does, we can let GCC pass it to GAS; but then we also need to sprinkle the files which make use of floating point registers with the necessary ".set hardfloat" directives. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Cc: Matthew Fortune <Matthew.Fortune@imgtec.com> Cc: Markos Chandras <Markos.Chandras@imgtec.com> Cc: Maciej W. Rozycki <macro@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/8355/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: R3000: Fix debug output for Virtual page numberIsamu Mogi2014-11-061-2/+2
| | | | | | | | | | | | Virtual page number of R3000 in entryhi is 20 bit from MSB. But in dump_tlb(), the bit mask to read it from entryhi is 19 bit (0xffffe000). The patch fixes that to 0xfffff000. Signed-off-by: Isamu Mogi <isamu@leafytree.jp> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8290/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Fix strnlen_user() return value in case of overlong strings.Ralf Baechle2014-11-041-2/+4
| | | | | | | | We were returning maxlen like the userland strnlen if no '\0' character was encountered while the kernel version is expected to return a value larger than maxlen. Fixed to return maxlen + 1. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: CMA: Do not reserve memory if not requiredZubair Lutfullah Kakakhel2014-10-291-1/+2
| | | | | | | | | | | | | | | | | | | | | | | Even if CMA is disabled, the for_each_memblock macro expands to run reserve_bootmem once. Hence, reserve_bootmem attempts to reserve location 0 of size 0. Add a check to avoid that. Issue was highlighted during testing with EVA enabled. resrve_bootmem used to exit gracefully when passed arguments to reserve 0 size location at 0 without EVA. But with EVA enabled, macros would point to different addresses and the code would trigger a BUG. Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Tested-by: Markos Chandras <markos.chandras@imgtec.com> Tested-by: Huacai Chen <chenhc@lemote.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8231/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Wire up bpf syscall.Ralf Baechle2014-10-275-6/+13
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS/Xlp: Remove the dead function destroy_irq() to fix build errorYijing Wang2014-10-271-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 465665f78a7 ("mips: Kill pointless destroy_irq()") removed the destroy_irq(). So remove the leftover one in xlp_setup_msix() to fix build error. arch/mips/pci/msi-xlp.c: In function 'xlp_setup_msix': arch/mips/pci/msi-xlp.c:447:3: error: implicit declaration of function 'destroy_irq'.. cc1: some warnings being treated as errors make[1]: *** [arch/mips/pci/msi-xlp.o] Error 1 make: *** [arch/mips/pci/] Error 2 Signed-off-by: Yijing Wang <wangyijing@huawei.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Xinwei Hu <huxinwei@huawei.com> Cc: Wuyun <wuyun.wu@huawei.com> Cc: linux-arm-kernel@lists.infradead.org Cc: Russell King <linux@arm.linux.org.uk> Cc: linux-arch@vger.kernel.org Cc: arnab.basu@freescale.com Cc: Bharat.Bhushan@freescale.com Cc: x86@kernel.org Cc: Arnd Bergmann <arnd@arndb.de> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: xen-devel@lists.xenproject.org Cc: Joerg Roedel <joro@8bytes.org> Cc: iommu@lists.linux-foundation.org Cc: linux-mips@linux-mips.org Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-s390@vger.kernel.org Cc: Sebastian Ott <sebott@linux.vnet.ibm.com> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-ia64@vger.kernel.org Cc: David S. Miller <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Liviu Dudau <liviu@dudau.co.uk> Patchwork: https://patchwork.linux-mips.org/patch/8087/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Make Octeon GPIO IRQ chip CPU hotplug-awareAlexander Sverdlin2014-10-271-0/+2
| | | | | | | | | | | | | | | Make Octeon GPIO IRQ chip CPU hotplug-aware Seems that irq_cpu_offline callbacks were forgotten in v1 and v2 CIU GPIO chips. There is such a callback for octeon_irq_chip_ciu2_gpio, covering CIU2 chips. Without this callback GPIO IRQs are not being migrated during core offlining. Patch is tested on Octeon II. Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nsn.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8201/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: SEAD3: Fix I2C device registration.Ralf Baechle2014-10-241-7/+1
| | | | | | This isn't a module and shouldn't be one. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: SEAD3: Nuke PIC32 I2C driver.Ralf Baechle2014-10-243-526/+0
| | | | | | | | | | | | | | | | | | | | | | | | | A platform driver for which nothing ever registers the corresponding platform device. Also it was driving the same hardware as sead3-i2c-drv.c so redundant anyway and couldn't co-exist with that driver because each of them was using a private spinlock to protect access to the same hardware resources. This also fixes a randconfig problem: arch/mips/mti-sead3/sead3-pic32-i2c-drv.c: In function 'i2c_platform_probe': arch/mips/mti-sead3/sead3-pic32-i2c-drv.c:345:2: error: implicit declaration of function 'i2c_add_numbered_adapter' [-Werror=implicit-function-declaration] ret = i2c_add_numbered_adapter(&priv->adap); ^ arch/mips/mti-sead3/sead3-pic32-i2c-drv.c: In function 'i2c_platform_remove': arch/mips/mti-sead3/sead3-pic32-i2c-drv.c:361:2: error: implicit declaration of function 'i2c_del_adapter' [-Werror=implicit-function-declaration] i2c_del_adapter(&priv->adap); Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ftrace: Fix a microMIPS build problemMarkos Chandras2014-10-241-2/+2
| | | | | | | | | | | | | | | | | | | | | Code before the .fixup section needs to have the .insn directive. This has no side effects on MIPS32/64 but it affects the way microMIPS loads the address for the return label. Fixes the following build problem: mips-linux-gnu-ld: arch/mips/built-in.o: .fixup+0x4a0: Unsupported jump between ISA modes; consider recompiling with interlinking enabled. mips-linux-gnu-ld: final link failed: Bad value Makefile:819: recipe for target 'vmlinux' failed The fix is similar to 1658f914ff91c3bf ("MIPS: microMIPS: Disable LL/SC and fix linker bug.") Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: stable@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8117/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: MSP71xx: Fix build errorStefan Hengelein2014-10-241-2/+2
| | | | | | | | | | | | | | | | | | | | | When CONFIG_MIPS_MT_SMP is enabled, the following compilation error occurs: arch/mips/pmcs-msp71xx/msp_irq_cic.c:134: error: ‘irq’ undeclared This code clearly never saw a compiler. The surrounding code suggests, that 'd->irq' was intended, not 'irq'. This error was found with vampyr. Signed-off-by: Stefan Hengelein <stefan.hengelein@fau.de> Fixes: d7881fbdf866d7d0 ("MIPS: msp71xx: Convert to new irq_chip functions") Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8116/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Malta: Do not build the malta-amon.c file if CMP is not enabledMarkos Chandras2014-10-231-1/+2
| | | | | | | | | | | | The malta-amon.c file provides functions to access the YAMON Monitoring interface to bring up secondary VPEs in case of SMP/CMP. As a result of which, there is no need to build it if CMP is not used. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Reviewed-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/7993/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Prevent compiler warning from cop2_{save,restore}Paul Burton2014-10-231-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The no-op cases of cop2_save & cop2_restore lead to the following warnings being emitted during build with recent versions of gcc (tested using gcc 4.8.3 from the Mentor Sourcery CodeBench 2014.05 toolchain): In file included from ./arch/mips/include/asm/switch_to.h:18:0, from kernel/sched/core.c:78: kernel/sched/core.c: In function 'finish_task_switch': include/asm-generic/current.h:6:45: warning: value computed is not used [-Wunused-value] #define get_current() (current_thread_info()->task) ^ ./arch/mips/include/asm/cop2.h:48:32: note: in definition of macro 'cop2_restore' #define cop2_restore(r) do { (r); } while (0) ^ include/asm-generic/current.h:7:17: note: in expansion of macro 'get_current' #define current get_current() ^ ./arch/mips/include/asm/switch_to.h:114:16: note: in expansion of macro 'current' cop2_restore(current); \ ^ kernel/sched/core.c:2225:2: note: in expansion of macro 'finish_arch_switch' finish_arch_switch(prev); ^ Avoid the warning by "using" the value by casting to void. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7880/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Kconfig: Add missing MIPS_CPS dependencies to PM and cpuidleMarkos Chandras2014-10-231-0/+1
| | | | | | | | | | | | | | | | The MIPS_CPS_PM and MIPS_CPS_CPUIDLE implementation should depend on the MIPS_CPS symbol to avoid the following build problem arch/mips/kernel/pm-cps.c: In function 'cps_pm_enter_state': arch/mips/kernel/pm-cps.c:164:26: error: 'cpu_coherent_mask' undeclared (first use in this function) cpumask_clear_cpu(cpu, &cpu_coherent_mask); ^ Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/7798/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: idle: Remove leftover __pastwait symbol and its referencesMarkos Chandras2014-10-232-10/+0
| | | | | | | | | | | | | | | | | | | | | | The __pastwait symbol was only used by the address_is_in_r4k_wait_irqoff function but this is no longer used since the SMTC removal in commit b633648c5ad3 ('MIPS: MT: Remove SMTC support'). That symbol also led to build failures under certain random configuration due to the way the compiler compiled the r4k_wait_irqoff function. If that function was called multiple times, the __pastwait symbol was redefined breaking the build like this: CHK include/generated/compile.h CC arch/mips/kernel/idle.o {standard input}: Assembler messages: {standard input}:527: Error: symbol `__pastwait' is already defined Link: http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=1244879922.24479.30.camel%40falcon Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Cc: Markos Chandras <markos.chandras@imgtec.com> Patchwork: https://patchwork.linux-mips.org/patch/7791/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Sibyte: Include the swarm subdir to the sb1250 LittleSur buildsMarkos Chandras2014-10-231-0/+1
| | | | | | | | | | | | | | | | | Fixes the following randconfig build problem: arch/mips/built-in.o: In function `show_cpuinfo': proc.c:(.text+0xde84): undefined reference to `get_system_type' arch/mips/built-in.o: In function `sb1250_setup': (.init.text+0x428): undefined reference to `get_system_type' arch/mips/built-in.o: In function `setup_arch': (.init.text+0x178c): undefined reference to `plat_mem_setup' Makefile:930: recipe for target 'vmlinux' failed Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8106/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ptrace.h: Add a missing includeAaro Koskinen2014-10-231-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit a79ebea62010 (MIPS: ptrace: Fix user pt_regs definition, use in ptrace_{get, set}regs()) converted struct pt_regs to use __u64. Some userspace applications (e.g. GDB) include this file directly, and fail to see this type. Fix by including <linux/types.h>. The patch fixes the following build failure with GDB 7.8 when using GLIBC headers created against Linux 3.17: In file included from /home/aaro/los/work/shared/gdb-7.8/gdb/mips-linux-nat.c:37:0: /home/aaro/los/work/mips/rootfs/mips-linux-gnu/usr/include/asm/ptrace.h:32:2: error: unknown type name '__u64' __u64 regs[32]; ^ /home/aaro/los/work/mips/rootfs/mips-linux-gnu/usr/include/asm/ptrace.h:35:2: error: unknown type name '__u64' __u64 lo; ^ /home/aaro/los/work/mips/rootfs/mips-linux-gnu/usr/include/asm/ptrace.h:36:2: error: unknown type name '__u64' __u64 hi; ^ Fixes: a79ebea62010 ("MIPS: ptrace: Fix user pt_regs definition, use in ptrace_{get, set}regs()") Cc: stable@vger.kernel.org # 3.17 Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Cc: Alex Smith <alex@alex-smith.me.uk> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8067/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: ath79: Fix compilation error when CONFIG_PCI is disabledStefan Hengelein2014-10-221-1/+1
| | | | | | | | | | | | | | | | | | When CONFIG_PCI is disabled, 'db120_pci_init()' had a different signature than when was enabled. Therefore, compilation failed when CONFIG_PCI was not present. arch/mips/ath79/mach-db120.c:132: error: too many arguments to function 'db120_pci_init' This error was found with vampyr. Signed-off-by: Stefan Hengelein <stefan.hengelein@fau.de> Reviewed-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: geert@linux-m68k.org Patchwork: https://patchwork.linux-mips.org/patch/8119/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: MSP71xx: Remove compilation error when CONFIG_MIPS_MT is presentStefan Hengelein2014-10-221-0/+1
| | | | | | | | | | | | | | | | | When CONFIG_MIPS_MT is defined, code is enabled that tries to call 'set_vi_handler()'. This function is declared in <asm/setup.h> but the header is never included. Therefore, the compilation breaks. arch/mips/pmcs-msp71xx/msp_irq.c:133: error: implicit declaration of function 'set_vi_handler' This error was found with vampyr. Signed-off-by: Stefan Hengelein <stefan.hengelein@fau.de> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: ryazanov.s.a@gmail.com Patchwork: https://patchwork.linux-mips.org/patch/8122/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Octeon: Remove special case for simulator command line.David Daney2014-10-221-9/+0
| | | | | | | | | | | | | | | There is no reason to have the kernel to append commands when running under the simulator, the simulator is perfectly capable of supplying the necessary command line arguments. Furthermore, if the simulator needs something different than what is hard coded in the kernel, it cannot get it if the kernel overrides it. Fix/Simplify the whole thing by removing this bit. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8152/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: tlbex: Properly fix HUGE TLB Refill exception handlerDavid Daney2014-10-221-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In commit 8393c524a25609 (MIPS: tlbex: Fix a missing statement for HUGETLB), the TLB Refill handler was fixed so that non-OCTEON targets would work properly with huge pages. The change was incorrect in that it broke the OCTEON case. The problem is shown here: xxx0: df7a0000 ld k0,0(k1) . . . xxxc0: df610000 ld at,0(k1) xxxc4: 335a0ff0 andi k0,k0,0xff0 xxxc8: e825ffcd bbit1 at,0x5,0x0 xxxcc: 003ad82d daddu k1,at,k0 . . . In the non-octeon case there is a destructive test for the huge PTE bit, and then at 0, $k0 is reloaded (that is what the 8393c524a25609 patch added). In the octeon case, we modify k1 in the branch delay slot, but we never need k0 again, so the new load is not needed, but since k1 is modified, if we do the load, we load from a garbage location and then get a nested TLB Refill, which is seen in userspace as either SIGBUS or SIGSEGV (depending on the garbage). The real fix is to only do this reloading if it is needed, and never where it is harmful. Signed-off-by: David Daney <david.daney@cavium.com> Cc: Huacai Chen <chenhc@lemote.com> Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Cc: stable@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8151/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: loongson2_cpufreq: Fix CPU clock rate setting mismergeAaro Koskinen2014-10-221-2/+3
| | | | | | | | | | | | | | | | During 3.16 merge window, parts of the commit 8e8acb32960f (MIPS/loongson2_cpufreq: Fix CPU clock rate setting) seem to have been deleted probably due to a mismerge, and as a result cpufreq is broken again on Loongson2 boards in 3.16 and newer kernels. Fix by repeating the fix. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Cc: stable@vger.kernel.org # 3.16 Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7835/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* pci: pci-lantiq: remove duplicate check on resourceVarka Bhadram2014-10-221-6/+1
| | | | | | | | | | | Sanity check on resource happening with devm_ioremap_resource() Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Cc: Varka Bhadram <varkab@cdac.in> Patchwork: https://patchwork.linux-mips.org/patch/8199/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Lasat: Add missing CONFIG_PROC_FS dependency to PICVUE_PROCMarkos Chandras2014-10-211-1/+1
| | | | | | | | | | | | | | | | | The picvue_proc.c file creates the /proc interface for the PICVUE LCD display driver. As a result of which, it needs to depend on the PROC_FS symbol to avoid build problems like the following one when CONFIG_PROC_FS is not enabled. arch/mips/lasat/picvue_proc.c:26:14: error: 'pvc_linename' defined but not used [-Werror=unused-variable] static char *pvc_linename[PVC_NLINES] = {"line1", "line2"}; ^ Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8174/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: cp1emu: Fix ISA restrictions for cop1x_op instructionsMarkos Chandras2014-10-211-2/+2
| | | | | | | | | | | | | | | | | | | Commit 08a07904e1828 ("MIPS: math-emu: Remove most ifdefery") removed the #ifdef ISA conditions and switched to runtime detection. However, according to the instruction set manual, the cop1x_op instructions are available in >=MIPS32r2 as well. This fixes a problem on MIPS32r2 with the ntpd package which failed to execute with a SIGILL exit code due to the fact that a madd.d instruction was not being emulated. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Fixes: 08a07904e1828 ("MIPS: math-emu: Remove most ifdefery") Cc: <stable@vger.kernel.org> # v3.16+ Cc: linux-mips@linux-mips.org Reviewed-by: Paul Burton <paul.burton@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Markos Chandras <markos.chandras@imgtec.com> Patchwork: https://patchwork.linux-mips.org/patch/8173/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Merge git://git.infradead.org/users/eparis/auditLinus Torvalds2014-10-192-4/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull audit updates from Eric Paris: "So this change across a whole bunch of arches really solves one basic problem. We want to audit when seccomp is killing a process. seccomp hooks in before the audit syscall entry code. audit_syscall_entry took as an argument the arch of the given syscall. Since the arch is part of what makes a syscall number meaningful it's an important part of the record, but it isn't available when seccomp shoots the syscall... For most arch's we have a better way to get the arch (syscall_get_arch) So the solution was two fold: Implement syscall_get_arch() everywhere there is audit which didn't have it. Use syscall_get_arch() in the seccomp audit code. Having syscall_get_arch() everywhere meant it was a useless flag on the stack and we could get rid of it for the typical syscall entry. The other changes inside the audit system aren't grand, fixed some records that had invalid spaces. Better locking around the task comm field. Removing some dead functions and structs. Make some things static. Really minor stuff" * git://git.infradead.org/users/eparis/audit: (31 commits) audit: rename audit_log_remove_rule to disambiguate for trees audit: cull redundancy in audit_rule_change audit: WARN if audit_rule_change called illegally audit: put rule existence check in canonical order next: openrisc: Fix build audit: get comm using lock to avoid race in string printing audit: remove open_arg() function that is never used audit: correct AUDIT_GET_FEATURE return message type audit: set nlmsg_len for multicast messages. audit: use union for audit_field values since they are mutually exclusive audit: invalid op= values for rules audit: use atomic_t to simplify audit_serial() kernel/audit.c: use ARRAY_SIZE instead of sizeof/sizeof[0] audit: reduce scope of audit_log_fcaps audit: reduce scope of audit_net_id audit: arm64: Remove the audit arch argument to audit_syscall_entry arm64: audit: Add audit hook in syscall_trace_enter/exit() audit: x86: drop arch from __audit_syscall_entry() interface sparc: implement is_32bit_task sparc: properly conditionalize use of TIF_32BIT ...
| * ARCH: AUDIT: audit_syscall_entry() should not require the archEric Paris2014-09-231-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have a function where the arch can be queried, syscall_get_arch(). So rather than have every single piece of arch specific code use and/or duplicate syscall_get_arch(), just have the audit code use the syscall_get_arch() code. Based-on-patch-by: Richard Briggs <rgb@redhat.com> Signed-off-by: Eric Paris <eparis@redhat.com> Cc: linux-alpha@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-ia64@vger.kernel.org Cc: microblaze-uclinux@itee.uq.edu.au Cc: linux-mips@linux-mips.org Cc: linux@lists.openrisc.net 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: sparclinux@vger.kernel.org Cc: user-mode-linux-devel@lists.sourceforge.net Cc: linux-xtensa@linux-xtensa.org Cc: x86@kernel.org
| * ARCH: AUDIT: implement syscall_get_arch for all archesEric Paris2014-09-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For all arches which support audit implement syscall_get_arch() They are all pretty easy and straight forward, stolen from how the call to audit_syscall_entry() determines the arch. Based-on-patch-by: Richard Briggs <rgb@redhat.com> Signed-off-by: Eric Paris <eparis@redhat.com> Cc: linux-ia64@vger.kernel.org Cc: microblaze-uclinux@itee.uq.edu.au Cc: linux-mips@linux-mips.org Cc: linux@lists.openrisc.net Cc: linux-parisc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: sparclinux@vger.kernel.org
* | Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds2014-10-1853-105/+270
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MIPS updates from Ralf Baechle: "This is the MIPS pull request for the next kernel: - Zubair's patch series adds CMA support for MIPS. Doing so it also touches ARM64 and x86. - remove the last instance of IRQF_DISABLED from arch/mips - updates to two of the MIPS defconfig files. - cleanup of how cache coherency bits are handled on MIPS and implement support for write-combining. - platform upgrades for Alchemy - move MIPS DTS files to arch/mips/boot/dts/" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (24 commits) MIPS: ralink: remove deprecated IRQF_DISABLED MIPS: pgtable.h: Implement the pgprot_writecombine function for MIPS MIPS: cpu-probe: Set the write-combine CCA value on per core basis MIPS: pgtable-bits: Define the CCA bit for WC writes on Ingenic cores MIPS: pgtable-bits: Move the CCA bits out of the core's ifdef blocks MIPS: DMA: Add cma support x86: use generic dma-contiguous.h arm64: use generic dma-contiguous.h asm-generic: Add dma-contiguous.h MIPS: BPF: Add new emit_long_instr macro MIPS: ralink: Move device-trees to arch/mips/boot/dts/ MIPS: Netlogic: Move device-trees to arch/mips/boot/dts/ MIPS: sead3: Move device-trees to arch/mips/boot/dts/ MIPS: Lantiq: Move device-trees to arch/mips/boot/dts/ MIPS: Octeon: Move device-trees to arch/mips/boot/dts/ MIPS: Add support for building device-tree binaries MIPS: Create common infrastructure for building built-in device-trees MIPS: SEAD3: Enable DEVTMPFS MIPS: SEAD3: Regenerate defconfigs MIPS: Alchemy: DB1300: Add touch penirq support ...
| * | MIPS: ralink: remove deprecated IRQF_DISABLEDMichael Opdenacker2014-09-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the use of the IRQF_DISABLED flag from arch/mips/ralink/timer.c It's a NOOP since 2.6.35 and it will be removed soon. Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com> Cc: akpm@linux-foundation.org Cc: jkosina@suse.cz Cc: standby24x7@gmail.com Cc: rdunlap@infradead.org Cc: yongjun_wei@trendmicro.com.cn Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7886/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: pgtable.h: Implement the pgprot_writecombine function for MIPSMarkos Chandras2014-09-221-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, the pgprot_writecombine function was simply defined as pgprot_uncached in include/asm-generic/pgtable.h. This is not optimal for cores that can actually do write-combine memory writes so define this function to take into account the core's cache coherency attribute to achieve such behavior. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7403/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: cpu-probe: Set the write-combine CCA value on per core basisMarkos Chandras2014-09-222-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Different cores use different CCA values to achieve write-combine memory writes. For cores that do not support write-combine we set the default value to CCA:2 (uncached, non-coherent) which is the default value as set by the kernel. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7402/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: pgtable-bits: Define the CCA bit for WC writes on Ingenic coresMarkos Chandras2014-09-221-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Ingenic uses the CCA:1 bit to achieve write-combine memory writes. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7401/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: pgtable-bits: Move the CCA bits out of the core's ifdef blocksMarkos Chandras2014-09-221-16/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Define all the CCA bits outside the ifdef blocks for specific cores but also allow cores to override them if necessary. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7400/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: DMA: Add cma supportZubair Lutfullah Kakakhel2014-09-224-12/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adds cma support to the MIPS architecture. cma uses memblock. However, mips uses bootmem. bootmem is informed about any regions reserved by memblock dma api is modified to use cma reserved memory regions when available Tested using cma_test. cma_test is a simple driver that assigns blocks of memory from cma reserved sections. Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Acked-by: Michal Nazarewicz <mina86@mina86.com> Cc: catalin.marinas@arm.com Cc: will.deacon@arm.com Cc: tglx@linutronix.de Cc: mingo@redhat.com Cc: hpa@zytor.com Cc: arnd@arndb.de Cc: gregkh@linuxfoundation.org Cc: m.szyprowski@samsung.com Cc: x86@kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-arch@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7360/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: BPF: Add new emit_long_instr macroMarkos Chandras2014-09-221-32/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This macro uses the capitalized UASM_* macros to emit 32 or 64-bit instructions depending on the kernel configurations. This allows us to remove a few CONFIG_64BIT ifdefs from the code. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7446/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: ralink: Move device-trees to arch/mips/boot/dts/Andrew Bresticker2014-09-2212-6/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the Ralink device-trees to arch/mips/boot/dts/ and update the Makefiles accordingly. A built-in device-tree is optional, so select BUILTIN_DTB when it is requested. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: David Daney <david.daney@cavium.com> Cc: John Crispin <blogic@openwrt.org> Cc: Jayachandran C <jchandra@broadcom.com> Cc: Qais Yousef <qais.yousef@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7561/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Netlogic: Move device-trees to arch/mips/boot/dts/Andrew Bresticker2014-09-228-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the Netlogic XLP device-trees to arch/mips/boot/dts/ and update the Makefiles accordingly. A built-in device-tree is optional, so select BUILTIN_DTB when it is requested. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: David Daney <david.daney@cavium.com> Cc: John Crispin <blogic@openwrt.org> Cc: Jayachandran C <jchandra@broadcom.com> Cc: Qais Yousef <qais.yousef@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7560/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: sead3: Move device-trees to arch/mips/boot/dts/Andrew Bresticker2014-09-224-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the SEAD-3 device-tree to arch/mips/boot/dts/ and update the Makefiles accordingly. Since SEAD-3 requires the device-tree to be built into the kernel, select BUILTIN_DTB when building for SEAD-3. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: David Daney <david.daney@cavium.com> Cc: John Crispin <blogic@openwrt.org> Cc: Jayachandran C <jchandra@broadcom.com> Cc: Qais Yousef <qais.yousef@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7555/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Lantiq: Move device-trees to arch/mips/boot/dts/Andrew Bresticker2014-09-226-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the Lantiq device-trees to arch/mips/boot/dts/ and update the Makefiles accordingly. There is currently only a single Lantiq device-tree (EASY50712), and it's required to be built into the kernel, so select BUILTIN_DTB for it. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: David Daney <david.daney@cavium.com> Cc: John Crispin <blogic@openwrt.org> Cc: Jayachandran C <jchandra@broadcom.com> Cc: Qais Yousef <qais.yousef@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7559/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Octeon: Move device-trees to arch/mips/boot/dts/Andrew Bresticker2014-09-226-12/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the Octeon device-trees to arch/mips/boot/dts/ and update the Makefiles accordingly. Since Octeon requires the device-tree to be built into the kernel, select BUILTIN_DTB as well. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: David Daney <david.daney@cavium.com> Cc: John Crispin <blogic@openwrt.org> Cc: Jayachandran C <jchandra@broadcom.com> Cc: Qais Yousef <qais.yousef@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7556/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Add support for building device-tree binariesAndrew Bresticker2014-09-223-1/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a 'dtbs' Makefile target that just builds the device-tree binaries enabled by the configuration. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: David Daney <david.daney@cavium.com> Cc: John Crispin <blogic@openwrt.org> Cc: Jayachandran C <jchandra@broadcom.com> Cc: Qais Yousef <qais.yousef@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7557/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Create common infrastructure for building built-in device-treesAndrew Bresticker2014-09-223-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In preparation for moving the device-trees to a common location, introduce the config option BUILTIN_DTB, which can be selected by platforms that use a device-tree built into the kernel image, and create a Makefile to build the device-trees in arch/mips/boot/dts/. Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: James Hogan <james.hogan@imgtec.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: David Daney <david.daney@cavium.com> Cc: John Crispin <blogic@openwrt.org> Cc: Jayachandran C <jchandra@broadcom.com> Cc: Qais Yousef <qais.yousef@imgtec.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7564/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: SEAD3: Enable DEVTMPFSMarkos Chandras2014-09-222-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is similar to 68f30ba7f8b9d666d1218eec97822ade0f23d9c3 "MIPS: Malta: Enable DEVTMPFS" Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6738/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: SEAD3: Regenerate defconfigsMarkos Chandras2014-09-222-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is similar to a86dc812881fab40175f4d3c3028acf8627a3804 "MIPS: Regenerate malta defconfigs" Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6737/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Alchemy: DB1300: Add touch penirq supportManuel Lauss2014-09-221-0/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | wire up the WM9713 pendown irq support. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/7563/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Alchemy: DB1xxx: Explicitly set 50MHz clock for I2C/SPI units.Manuel Lauss2014-09-222-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an explicit call to set the desired rate to get the correct clock routing for the PSC clocks. It wasn't broken before, but now it's less affected by bootloader changes. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/7554/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Alchemy: Update cpu-feature-overridesManuel Lauss2014-09-221-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | More features the Au1 core definitely doesn't have. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/7562/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Alchemy: devboards: sit and spin after poweroffManuel Lauss2014-09-221-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On boards which don't support poweroff, systemd complains about this fact. In case poweroff fails, just sit and spin in the wait loop. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Cc: Manuel Lauss <manuel.lauss@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/7558/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Use WSBH/DSBH/DSHD on Loongson 3AChen Jie2014-09-226-7/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: chenj <chenj@lemote.com> Cc: linux-mips@linux-mips.org Cc: chenhc@lemote.com Patchwork: https://patchwork.linux-mips.org/patch/7542/ Patchwork: https://patchwork.linux-mips.org/patch/7550/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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