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2017-05-22x86: fix 32-bit case of __get_user_asm_u64()Linus Torvalds1-3/+3
The code to fetch a 64-bit value from user space was entirely buggered, and has been since the code was merged in early 2016 in commit b2f680380ddf ("x86/mm/32: Add support for 64-bit __get_user() on 32-bit kernels"). Happily the buggered routine is almost certainly entirely unused, since the normal way to access user space memory is just with the non-inlined "get_user()", and the inlined version didn't even historically exist. The normal "get_user()" case is handled by external hand-written asm in arch/x86/lib/getuser.S that doesn't have either of these issues. There were two independent bugs in __get_user_asm_u64(): - it still did the STAC/CLAC user space access marking, even though that is now done by the wrapper macros, see commit 11f1a4b9755f ("x86: reorganize SMAP handling in user space accesses"). This didn't result in a semantic error, it just means that the inlined optimized version was hugely less efficient than the allegedly slower standard version, since the CLAC/STAC overhead is quite high on modern Intel CPU's. - the double register %eax/%edx was marked as an output, but the %eax part of it was touched early in the asm, and could thus clobber other inputs to the asm that gcc didn't expect it to touch. In particular, that meant that the generated code could look like this: mov (%eax),%eax mov 0x4(%eax),%edx where the load of %edx obviously was _supposed_ to be from the 32-bit word that followed the source of %eax, but because %eax was overwritten by the first instruction, the source of %edx was basically random garbage. The fixes are trivial: remove the extraneous STAC/CLAC entries, and mark the 64-bit output as early-clobber to let gcc know that no inputs should alias with the output register. Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: stable@kernel.org # v4.8+ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-22Clean up x86 unsafe_get/put_user() type handlingLinus Torvalds1-2/+3
Al noticed that unsafe_put_user() had type problems, and fixed them in commit a7cc722fff0b ("fix unsafe_put_user()"), which made me look more at those functions. It turns out that unsafe_get_user() had a type issue too: it limited the largest size of the type it could handle to "unsigned long". Which is fine with the current users, but doesn't match our existing normal get_user() semantics, which can also handle "u64" even when that does not fit in a long. While at it, also clean up the type cast in unsafe_put_user(). We actually want to just make it an assignment to the expected type of the pointer, because we actually do want warnings from types that don't convert silently. And it makes the code more readable by not having that one very long and complex line. [ This patch might become stable material if we ever end up back-porting any new users of the unsafe uaccess code, but as things stand now this doesn't matter for any current existing uses. ] Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-21osf_wait4(): fix infoleakAl Viro1-2/+4
failing sys_wait4() won't fill struct rusage... Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-05-21fix unsafe_put_user()Al Viro1-1/+1
__put_user_size() relies upon its first argument having the same type as what the second one points to; the only other user makes sure of that and unsafe_put_user() should do the same. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-05-20nvmet: release the sq ref on rdma read errorsVijay Immanuel3-0/+8
On rdma read errors, release the sq ref that was taken when the req was initialized. This avoids a hang in nvmet_sq_destroy() when the queue is being freed. Signed-off-by: Vijay Immanuel <vijayi@attalasystems.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20nvmet-fc: remove target cpu scheduling flagJames Smart4-15/+3
Remove NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED. It's unnecessary. Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20nvme-fc: stop queues on error detectionJames Smart1-0/+4
Per the recommendation by Sagi on: http://lists.infradead.org/pipermail/linux-nvme/2017-April/009261.html Rather than waiting for reset work thread to stop queues and abort the ios, immediately stop the queues on error detection. Reset thread will restop the queues (as it's called on other paths), but it does not appear to have a side effect. Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20nvme-fc: require target or discovery role for fc-nvme targetsJames Smart1-0/+6
In order to create an association, the remoteport must be serving either a target role or a discovery role. Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20nvme-fc: correct port role bitsJames Smart1-2/+2
FC Port roles is a bit mask, not individual values. Correct nvme definitions to unique bits. Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20nvme: unmap CMB and remove sysfs file in reset pathJon Derrick1-1/+6
CMB doesn't get unmapped until removal while getting remapped on every reset. Add the unmapping and sysfs file removal to the reset path in nvme_pci_disable to match the mapping path in nvme_pci_enable. Fixes: 202021c1a ("nvme : Add sysfs entry for NVMe CMBs when appropriate") Signed-off-by: Jon Derrick <jonathan.derrick@intel.com> Acked-by: Keith Busch <keith.busch@intel.com> Reviewed-By: Stephen Bates <sbates@raithlin.com> Cc: <stable@vger.kernel.org> # 4.9+ Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-19KVM: x86: prevent uninitialized variable warning in check_svme()Radim Krčmář1-1/+1
get_msr() of MSR_EFER is currently always going to succeed, but static checker doesn't see that far. Don't complicate stuff and just use 0 for the fallback -- it means that the feature is not present. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2017-05-19KVM: x86/vPMU: fix undefined shift in intel_pmu_refresh()Radim Krčmář1-1/+1
Static analysis noticed that pmu->nr_arch_gp_counters can be 32 (INTEL_PMC_MAX_GENERIC) and therefore cannot be used to shift 'int'. I didn't add BUILD_BUG_ON for it as we have a better checker. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Fixes: 25462f7f5295 ("KVM: x86/vPMU: Define kvm_pmu_ops to support vPMU function dispatch") Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2017-05-19KVM: x86: zero base3 of unusable segmentsRadim Krčmář1-0/+2
Static checker noticed that base3 could be used uninitialized if the segment was not present (useable). Random stack values probably would not pass VMCS entry checks. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Fixes: 1aa366163b8b ("KVM: x86 emulator: consolidate segment accessors") Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2017-05-19KVM: X86: Fix read out-of-bounds vulnerability in kvm pio emulationWanpeng Li1-9/+15
Huawei folks reported a read out-of-bounds vulnerability in kvm pio emulation. - "inb" instruction to access PIT Mod/Command register (ioport 0x43, write only, a read should be ignored) in guest can get a random number. - "rep insb" instruction to access PIT register port 0x43 can control memcpy() in emulator_pio_in_emulated() to copy max 0x400 bytes but only read 1 bytes, which will disclose the unimportant kernel memory in host but no crash. The similar test program below can reproduce the read out-of-bounds vulnerability: void hexdump(void *mem, unsigned int len) { unsigned int i, j; for(i = 0; i < len + ((len % HEXDUMP_COLS) ? (HEXDUMP_COLS - len % HEXDUMP_COLS) : 0); i++) { /* print offset */ if(i % HEXDUMP_COLS == 0) { printf("0x%06x: ", i); } /* print hex data */ if(i < len) { printf("%02x ", 0xFF & ((char*)mem)[i]); } else /* end of block, just aligning for ASCII dump */ { printf(" "); } /* print ASCII dump */ if(i % HEXDUMP_COLS == (HEXDUMP_COLS - 1)) { for(j = i - (HEXDUMP_COLS - 1); j <= i; j++) { if(j >= len) /* end of block, not really printing */ { putchar(' '); } else if(isprint(((char*)mem)[j])) /* printable char */ { putchar(0xFF & ((char*)mem)[j]); } else /* other char */ { putchar('.'); } } putchar('\n'); } } } int main(void) { int i; if (iopl(3)) { err(1, "set iopl unsuccessfully\n"); return -1; } static char buf[0x40]; /* test ioport 0x40,0x41,0x42,0x43,0x44,0x45 */ memset(buf, 0xab, sizeof(buf)); asm volatile("push %rdi;"); asm volatile("mov %0, %%rdi;"::"q"(buf)); asm volatile ("mov $0x40, %rdx;"); asm volatile ("in %dx,%al;"); asm volatile ("stosb;"); asm volatile ("mov $0x41, %rdx;"); asm volatile ("in %dx,%al;"); asm volatile ("stosb;"); asm volatile ("mov $0x42, %rdx;"); asm volatile ("in %dx,%al;"); asm volatile ("stosb;"); asm volatile ("mov $0x43, %rdx;"); asm volatile ("in %dx,%al;"); asm volatile ("stosb;"); asm volatile ("mov $0x44, %rdx;"); asm volatile ("in %dx,%al;"); asm volatile ("stosb;"); asm volatile ("mov $0x45, %rdx;"); asm volatile ("in %dx,%al;"); asm volatile ("stosb;"); asm volatile ("pop %rdi;"); hexdump(buf, 0x40); printf("\n"); /* ins port 0x40 */ memset(buf, 0xab, sizeof(buf)); asm volatile("push %rdi;"); asm volatile("mov %0, %%rdi;"::"q"(buf)); asm volatile ("mov $0x20, %rcx;"); asm volatile ("mov $0x40, %rdx;"); asm volatile ("rep insb;"); asm volatile ("pop %rdi;"); hexdump(buf, 0x40); printf("\n"); /* ins port 0x43 */ memset(buf, 0xab, sizeof(buf)); asm volatile("push %rdi;"); asm volatile("mov %0, %%rdi;"::"q"(buf)); asm volatile ("mov $0x20, %rcx;"); asm volatile ("mov $0x43, %rdx;"); asm volatile ("rep insb;"); asm volatile ("pop %rdi;"); hexdump(buf, 0x40); printf("\n"); return 0; } The vcpu->arch.pio_data buffer is used by both in/out instrutions emulation w/o clear after using which results in some random datas are left over in the buffer. Guest reads port 0x43 will be ignored since it is write only, however, the function kernel_pio() can't distigush this ignore from successfully reads data from device's ioport. There is no new data fill the buffer from port 0x43, however, emulator_pio_in_emulated() will copy the stale data in the buffer to the guest unconditionally. This patch fixes it by clearing the buffer before in instruction emulation to avoid to grant guest the stale data in the buffer. In addition, string I/O is not supported for in kernel device. So there is no iteration to read ioport %RCX times for string I/O. The function kernel_pio() just reads one round, and then copy the io size * %RCX to the guest unconditionally, actually it copies the one round ioport data w/ other random datas which are left over in the vcpu->arch.pio_data buffer to the guest. This patch fixes it by introducing the string I/O support for in kernel device in order to grant the right ioport datas to the guest. Before the patch: 0x000000: fe 38 93 93 ff ff ab ab .8...... 0x000008: ab ab ab ab ab ab ab ab ........ 0x000010: ab ab ab ab ab ab ab ab ........ 0x000018: ab ab ab ab ab ab ab ab ........ 0x000020: ab ab ab ab ab ab ab ab ........ 0x000028: ab ab ab ab ab ab ab ab ........ 0x000030: ab ab ab ab ab ab ab ab ........ 0x000038: ab ab ab ab ab ab ab ab ........ 0x000000: f6 00 00 00 00 00 00 00 ........ 0x000008: 00 00 00 00 00 00 00 00 ........ 0x000010: 00 00 00 00 4d 51 30 30 ....MQ00 0x000018: 30 30 20 33 20 20 20 20 00 3 0x000020: ab ab ab ab ab ab ab ab ........ 0x000028: ab ab ab ab ab ab ab ab ........ 0x000030: ab ab ab ab ab ab ab ab ........ 0x000038: ab ab ab ab ab ab ab ab ........ 0x000000: f6 00 00 00 00 00 00 00 ........ 0x000008: 00 00 00 00 00 00 00 00 ........ 0x000010: 00 00 00 00 4d 51 30 30 ....MQ00 0x000018: 30 30 20 33 20 20 20 20 00 3 0x000020: ab ab ab ab ab ab ab ab ........ 0x000028: ab ab ab ab ab ab ab ab ........ 0x000030: ab ab ab ab ab ab ab ab ........ 0x000038: ab ab ab ab ab ab ab ab ........ After the patch: 0x000000: 1e 02 f8 00 ff ff ab ab ........ 0x000008: ab ab ab ab ab ab ab ab ........ 0x000010: ab ab ab ab ab ab ab ab ........ 0x000018: ab ab ab ab ab ab ab ab ........ 0x000020: ab ab ab ab ab ab ab ab ........ 0x000028: ab ab ab ab ab ab ab ab ........ 0x000030: ab ab ab ab ab ab ab ab ........ 0x000038: ab ab ab ab ab ab ab ab ........ 0x000000: d2 e2 d2 df d2 db d2 d7 ........ 0x000008: d2 d3 d2 cf d2 cb d2 c7 ........ 0x000010: d2 c4 d2 c0 d2 bc d2 b8 ........ 0x000018: d2 b4 d2 b0 d2 ac d2 a8 ........ 0x000020: ab ab ab ab ab ab ab ab ........ 0x000028: ab ab ab ab ab ab ab ab ........ 0x000030: ab ab ab ab ab ab ab ab ........ 0x000038: ab ab ab ab ab ab ab ab ........ 0x000000: 00 00 00 00 00 00 00 00 ........ 0x000008: 00 00 00 00 00 00 00 00 ........ 0x000010: 00 00 00 00 00 00 00 00 ........ 0x000018: 00 00 00 00 00 00 00 00 ........ 0x000020: ab ab ab ab ab ab ab ab ........ 0x000028: ab ab ab ab ab ab ab ab ........ 0x000030: ab ab ab ab ab ab ab ab ........ 0x000038: ab ab ab ab ab ab ab ab ........ Reported-by: Moguofang <moguofang@huawei.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Moguofang <moguofang@huawei.com> Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com> Cc: stable@vger.kernel.org Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2017-05-19KVM: x86: Fix potential preemption when get the current kvmclock timestampWanpeng Li1-1/+9
BUG: using __this_cpu_read() in preemptible [00000000] code: qemu-system-x86/2809 caller is __this_cpu_preempt_check+0x13/0x20 CPU: 2 PID: 2809 Comm: qemu-system-x86 Not tainted 4.11.0+ #13 Call Trace: dump_stack+0x99/0xce check_preemption_disabled+0xf5/0x100 __this_cpu_preempt_check+0x13/0x20 get_kvmclock_ns+0x6f/0x110 [kvm] get_time_ref_counter+0x5d/0x80 [kvm] kvm_hv_process_stimers+0x2a1/0x8a0 [kvm] ? kvm_hv_process_stimers+0x2a1/0x8a0 [kvm] ? kvm_arch_vcpu_ioctl_run+0xac9/0x1ce0 [kvm] kvm_arch_vcpu_ioctl_run+0x5bf/0x1ce0 [kvm] kvm_vcpu_ioctl+0x384/0x7b0 [kvm] ? kvm_vcpu_ioctl+0x384/0x7b0 [kvm] ? __fget+0xf3/0x210 do_vfs_ioctl+0xa4/0x700 ? __fget+0x114/0x210 SyS_ioctl+0x79/0x90 entry_SYSCALL_64_fastpath+0x23/0xc2 RIP: 0033:0x7f9d164ed357 ? __this_cpu_preempt_check+0x13/0x20 This can be reproduced by run kvm-unit-tests/hyperv_stimer.flat w/ CONFIG_PREEMPT and CONFIG_DEBUG_PREEMPT enabled. Safe access to per-CPU data requires a couple of constraints, though: the thread working with the data cannot be preempted and it cannot be migrated while it manipulates per-CPU variables. If the thread is preempted, the thread that replaces it could try to work with the same variables; migration to another CPU could also cause confusion. However there is no preemption disable when reads host per-CPU tsc rate to calculate the current kvmclock timestamp. This patch fixes it by utilizing get_cpu/put_cpu pair to guarantee both __this_cpu_read() and rdtsc() are not preempted. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2017-05-19blktrace: fix integer parseShaohua Li1-2/+2
sscanf is a very poor way to parse integer. For example, I input "discard" for act_mask, it gets 0xd and completely messes up. Using correct API to do integer parse. This patch also makes attributes accept any base of integer. Signed-off-by: Shaohua Li <shli@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-19i2c: designware: don't infer timings described by ACPI from clock rateArd Biesheuvel1-8/+10
Commit bd698d24b1b57 ("i2c: designware: Get selected speed mode sda-hold-time via ACPI") updated the logic that reads the timing parameters for various I2C bus rates from the DSDT, to only read the timing parameters for the currently selected mode. This causes a WARN_ON() splat on platforms that legally omit the clock frequency from the ACPI description, because in the new situation, the core I2C designware driver still accesses the fields in the driver struct that we no longer populate, and proceeds to calculate them from the clock frequency. Since the clock frequency is unspecified, the driver complains loudly using a WARN_ON(). So revert back to the old situation, where the struct fields for all timings are populated, but retain the new logic which chooses the SDA hold time from the timing mode that is currently in use. Fixes: bd698d24b1b57 ("i2c: designware: Get selected speed mode ...") Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reported-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2017-05-19arm64: dts: rockchip: fix include referenceArnd Bergmann1-1/+1
The way we handle include paths for DT has changed a bit, which broke a file that had an unconventional way to reference a common header file: arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts:47:10: fatal error: include/dt-bindings/input/linux-event-codes.h: No such file or directory This removes the leading "include/" from the path name, which fixes it. Fixes: d5d332d3f7e8 ("devicetree: Move include prefixes from arch to separate directory") Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-05-19watchdog: bcm281xx: Fix use of uninitialized spinlock.Eric Anholt1-1/+2
The bcm_kona_wdt_set_resolution_reg() call takes the spinlock, so initialize it earlier. Fixes a warning at boot with lock debugging enabled. Fixes: 6adb730dc208 ("watchdog: bcm281xx: Watchdog Driver") Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-05-19watchdog: zx2967: remove redundant dev_err call in zx2967_wdt_probe()Wei Yongjun1-3/+1
There is a error message within devm_ioremap_resource already, so remove the dev_err call to avoid redundant error message. Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-05-19iTCO_wdt: all versions count down twicePaolo Bonzini2-13/+11
The ICH9 is listed as having TCO v2, and indeed the behavior in the datasheet corresponds to v2 (for example the NO_REBOOT flag is accessible via the 16KiB-aligned Root Complex Base Address). However, the TCO counts twice just like in v1; the documentation of the SECOND_TO_STS bit says: "ICH9 sets this bit to 1 to indicate that the TIMEOUT bit had been (or is currently) set and a second timeout occurred before the TCO_RLD register was written. If this bit is set and the NO_REBOOT config bit is 0, then the ICH9 will reboot the system after the second timeout. The same can be found in the BayTrail (Atom E3800) datasheet, and even HOWTOs around the Internet say that it will reboot after _twice_ the specified heartbeat. I did not find the Apollo Lake datasheet, but because v4/v5 has a SECOND_TO_STS bit just like the previous version I'm enabling this for Apollo Lake as well. Cc: linux-watchdog@vger.kernel.org Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-05-19firmware: ti_sci: fix strncat length checkArnd Bergmann1-1/+2
gcc-7 notices that the length we pass to strncat is wrong: drivers/firmware/ti_sci.c: In function 'ti_sci_probe': drivers/firmware/ti_sci.c:204:32: error: specified bound 50 equals the size of the destination [-Werror=stringop-overflow=] Instead of the total length, we must pass the length of the remaining space here. Fixes: aa276781a64a ("firmware: Add basic support for TI System Control Interface (TI-SCI) protocol") Cc: stable@vger.kernel.org Acked-by: Nishanth Menon <nm@ti.com> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-05-19ARM: remove duplicate 'const' annotations'Arnd Bergmann6-6/+6
gcc-7 warns about some declarations that are more 'const' than necessary: arch/arm/mach-at91/pm.c:338:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier] static const struct of_device_id const ramc_ids[] __initconst = { arch/arm/mach-bcm/bcm_kona_smc.c:36:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier] static const struct of_device_id const bcm_kona_smc_ids[] __initconst = { arch/arm/mach-spear/time.c:207:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier] static const struct of_device_id const timer_of_match[] __initconst = { arch/arm/mach-omap2/prm_common.c:714:34: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier] static const struct of_device_id const omap_prcm_dt_match_table[] __initconst = { arch/arm/mach-omap2/vc.c:562:35: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier] static const struct i2c_init_data const omap4_i2c_timing_data[] __initconst = { The ones in arch/arm were apparently all introduced accidentally by one commit that correctly marked a lot of variables as __initconst. Fixes: 19c233b79d1a ("ARM: appropriate __init annotation for const data") Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Krzysztof Hałasa <khalasa@piap.pl> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-05-19arm64: defconfig: enable options needed for QCom DB410c boardRob Herring1-0/+7
Enable Qualcomm drivers needed to boot Dragonboard 410c with HDMI. This enables support for clocks, regulators, and USB PHY. Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: John Stultz <john.stultz@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org> [Olof: Turned off _RPM configs per follow-up email] Signed-off-by: Olof Johansson <olof@lixom.net>
2017-05-19arm64: defconfig: sync with savedefconfigRob Herring1-61/+42
Sync the defconfig with savedefconfig as config options change/move over time. Generated with the following commands: make defconfig make savedefconfig cp defconfig arch/arm64/configs/defconfig Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Olof Johansson <olof@lixom.net>