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2019-02-27scripts/gdb: do not descend into scripts/gdb from scriptsMasahiro Yamada3-9/+5
Currently, Kbuild descends from scripts/Makefile to scripts/gdb/Makefile just for creating symbolic links, but it does not need to do it so early. Merge the two descending paths to simplify the code. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-02-27kbuild: remove unimportant comments from ./KbuildMasahiro Yamada1-11/+4
Every time we add/remove a target, we need to touch the header part, including renumbering. This is not so important information. Numbering targets is rather misleading because they are not necessarily generated in this order. For example, 1) and 2) can be executed simultaneously when the -j option is given. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-02-27scripts/gdb: delay generation of gdb constants.pyMasahiro Yamada2-10/+11
scripts/gdb/linux/constants.py is never used in the kernel build process. There is no good reason to create it so early. Get it out of the 'prepare' stage. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-02-20kbuild: turn '/' into an alias of './'Masahiro Yamada2-3/+4
Commit 06300b21f4c7 ("kbuild: support building individual files for external modules") introduced the '/' target. It works only for external modules to build all .o files, but skip the modpost stage. However, 'make /' looks a bit weird to me. 'make ./' is more sensible if you want to build all objects under the current directory, and it works as expected. Let's change '/' into a phony target that is an alias of './', but I may feel like deprecating it in the future. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-02-20kbuild: set KBUILD_MODULES=1 all the time for single target %/Masahiro Yamada1-6/+3
It is fine to set KBUILD_MODULES=1 when CONFIG_MODULES is disabled. It is actually how "make allnoconfig all" works. On the other hand, KBUILD_MODULES=1 is unneeded for the %.ko pattern. It is just a matter of whether modules.order is generated or not. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-02-20kbuild: generate modules.order only when CONFIG_MODULES=yMasahiro Yamada1-0/+2
Do not generate pointless modules.order when the module support is disabled. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-02-20kbuild: pkg: use -f $(srctree)/Makefile to recurse to top MakefileMasahiro Yamada4-10/+12
'$(MAKE) KBUILD_SRC=' changes the working directory back and forth between objtree and srctree. It is better to recurse to the top-level Makefile directly. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-02-20kbuild: clang: choose GCC_TOOLCHAIN_DIR not on LDNick Desaulniers1-1/+1
This causes an issue when trying to build with `make LD=ld.lld` if ld.lld and the rest of your cross tools aren't in the same directory (ex. /usr/local/bin) (as is the case for Android's build system), as the GCC_TOOLCHAIN_DIR then gets set based on `which $(LD)` which will point where LLVM tools are, not GCC/binutils tools are located. Instead, select the GCC_TOOLCHAIN_DIR based on another tool provided by binutils for which LLVM does not provide a substitute for, such as elfedit. Fixes: 785f11aa595b ("kbuild: Add better clang cross build support") Link: https://github.com/ClangBuiltLinux/linux/issues/341 Suggested-by: Nathan Chancellor <natechancellor@gmail.com> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com> Tested-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-02-20kbuild: Disable extra debugging info in .s outputMasahiro Yamada2-6/+9
Modern gcc adds view assignments, reset assertion checking in .loc directives and a couple more additional debug markers, which clutters the asm output unnecessarily: For example: bsp_resume: .LFB3466: .loc 1 1868 1 is_stmt 1 view -0 .cfi_startproc .loc 1 1869 2 view .LVU73 # arch/x86/kernel/cpu/common.c:1869: if (this_cpu->c_bsp_resume) .loc 1 1869 14 is_stmt 0 view .LVU74 movq this_cpu(%rip), %rax # this_cpu, this_cpu movq 64(%rax), %rax # this_cpu.94_1->c_bsp_resume, _2 # arch/x86/kernel/cpu/common.c:1869: if (this_cpu->c_bsp_resume) .loc 1 1869 5 view .LVU75 testq %rax, %rax # _2 je .L8 #, .loc 1 1870 3 is_stmt 1 view .LVU76 movq $boot_cpu_data, %rdi #, jmp __x86_indirect_thunk_rax or .loc 2 57 9 view .LVU478 .loc 2 57 9 view .LVU479 .loc 2 57 9 view .LVU480 .loc 2 57 9 view .LVU481 .LBB1385: .LBB1383: .LBB1379: .LBB1377: .LBB1375: .loc 2 57 9 view .LVU482 .loc 2 57 9 view .LVU483 movl %edi, %edx # cpu, cpu .LVL87: .loc 2 57 9 is_stmt 0 view .LVU484 That MOV in there is drowned in debugging information and latter makes it hard to follow the asm. And that DWARF info is not really needed for asm output staring. Disable the debug information generation which clutters the asm output unnecessarily: bsp_resume: # arch/x86/kernel/cpu/common.c:1869: if (this_cpu->c_bsp_resume) movq this_cpu(%rip), %rax # this_cpu, this_cpu movq 64(%rax), %rax # this_cpu.94_1->c_bsp_resume, _2 # arch/x86/kernel/cpu/common.c:1869: if (this_cpu->c_bsp_resume) testq %rax, %rax # _2 je .L8 #, # arch/x86/kernel/cpu/common.c:1870: this_cpu->c_bsp_resume(&boot_cpu_data); movq $boot_cpu_data, %rdi #, jmp __x86_indirect_thunk_rax .L8: # arch/x86/kernel/cpu/common.c:1871: } rep ret .size bsp_resume, .-bsp_resume [ bp: write commit message. ] Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Borislav Petkov <bp@suse.de>
2019-02-19kallsyms: include <asm/bitsperlong.h> instead of <asm/types.h>Masahiro Yamada1-1/+1
<asm/bitsperlong.h> is enough to include the definition of BITS_PER_LONG. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-02-19kallsyms: remove unneeded memset() callsMasahiro Yamada1-3/+0
Global variables in the .bss section are zeroed out before the program starts to run. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-02-19kallsyms: add static qualifiers where missingMasahiro Yamada1-4/+4
Fix the following sparse warnings: scripts/kallsyms.c:65:5: warning: symbol 'token_profit' was not declared. Should it be static? scripts/kallsyms.c:68:15: warning: symbol 'best_table' was not declared. Should it be static? scripts/kallsyms.c:69:15: warning: symbol 'best_table_len' was not declared. Should it be static? Also, remove 'inline' from is_arm_mapping_symbol(). The compiler will inline it anyway when it is appropriate to do so. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-02-19kbuild: gitignore output directoryVladimir Kondratiev1-0/+3
When compiling into output directory using O=, many files created under KBUILD_OUTPUT that git considers as new ones; git clients, ex. "git gui" lists it, and it clutters file list making it difficult to see what was really changed Generate .gitignore in output directory that ignores all its content Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@linux.intel.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-28kbuild: remove meaningless prepare2 targetMasahiro Yamada1-7/+3
There is no build order among the following: prepare3 outputmakefile asm-generic $(version_h) $(autoksyms_h) include/generated/utsrelease.h It is meaningless to insert the prepare2 target between the first three and the last three. The comment says, "prepare2 creates a makefile if using a separate output directory." Let me explain it more precisely. The prepare targets cannot be executed without the .config file. Because the configuration targets depend on the outputmakefile target, the generated makefile is already there before the parepare2 is run. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-28kbuild: remove unnecessary in-subshell executionMasahiro Yamada3-15/+14
The commands surrounded by ( ) are executed in a subshell, but in most cases, we do not need to spawn an extra subshell. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-28kbuild: add real-prereqs shorthand for $(filter-out FORCE,$^)Masahiro Yamada9-19/+25
In Kbuild, if_changed and friends must have FORCE as a prerequisite. Hence, $(filter-out FORCE,$^) or $(filter-out $(PHONY),$^) is a common idiom to get the names of all the prerequisites except phony targets. Add real-prereqs as a shorthand. Note: We cannot replace $(filter %.o,$^) in cmd_link_multi-m because $^ may include auto-generated dependencies from the .*.cmd file when a single object module is changed into a multi object module. Refer to commit 69ea912fda74 ("kbuild: remove unneeded link_multi_deps"). I added some comment to avoid accidental breakage. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Rob Herring <robh@kernel.org>
2019-01-28s390: make built-in.a not directly depend on *.o.chkbss filesMasahiro Yamada3-18/+15
When I was refactoring cmd_ar_builtin in scripts/Makefile.build, I noticed the build breakage of s390. Some Makefiles of s390 add extra dependencies to built-in.a; built-in.a depends on timestamp files *.o.chkbss, but $(AR) does not want to include them into built-in.a. Insert a phony target 'chkbss' in between so that $(AR) can take $(filter-out $(PHONY), $^) as input. While I was here, I refactored Makefile.chkbss a little bit. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-01-28kbuild: simplify rules of data compression with size appendingMasahiro Yamada1-11/+7
All the callers of size_append pass $(filter-out FORCE,$^). Move $(filter-out FORCE,$^) to the definition of size_append. This makes the callers cleaner because $(call ...) is unneeded for a macro with no argument. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-28kbuild: merge KBUILD_VMLINUX_{INIT,MAIN} into KBUILD_VMLINUX_OBJSMasahiro Yamada3-31/+18
The top Makefile does not need to export KBUILD_VMLINUX_INIT and KBUILD_VMLINUX_MAIN separately. Put every built-in.a into KBUILD_VMLINUX_OBJS. The order of $(head-y), $(init-y), $(core-y), ... is still retained. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-28kbuild: remove top-level built-in.aMasahiro Yamada3-37/+10
The symbol table in the final archive is unneeded; the linker does not require the symbol table after the --whole-archive option. Every object file in the archive is included in the link anyway. Pass thin archives from subdirectories directly to the linker, and remove the final archiving step. Fix up the document and comments as well. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Nicholas Piggin <npiggin@gmail.com>
2019-01-28kbuild: skip 'addtree' and 'flags' magic for external module buildMasahiro Yamada2-7/+10
When building an external module, $(obj) is the absolute path to it. The header search paths from ccflags-y etc. should not be tweaked. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-27Linux 5.0-rc4v5.0-rc4Linus Torvalds1-1/+1
2019-01-27Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds8-17/+61
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Thomas Gleixner: "A set of fixes for x86: - Fix the swapped outb() parameters in the KASLR code - Fix the PKEY handling at fork which missed to preserve the pkey state for the child. Comes with a test case to validate that. - Fix the entry stack handling for XEN PV to respect that XEN PV systems enter the function already on the current thread stack and not on the trampoline. - Fix kexec load failure caused by using a stale value when the kexec_buf structure is reused for subsequent allocations. - Fix a bogus sizeof() in the memory encryption code - Enforce PCI dependency for the Intel Low Power Subsystem - Enforce PCI_LOCKLESS_CONFIG when PCI is enabled" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/Kconfig: Select PCI_LOCKLESS_CONFIG if PCI is enabled x86/entry/64/compat: Fix stack switching for XEN PV x86/kexec: Fix a kexec_file_load() failure x86/mm/mem_encrypt: Fix erroneous sizeof() x86/selftests/pkeys: Fork() to check for state being preserved x86/pkeys: Properly copy pkey state at fork() x86/kaslr: Fix incorrect i8254 outb() parameters x86/intel/lpss: Make PCI dependency explicit
2019-01-27Merge branch 'x86-timers-for-linus' of ↵Linus Torvalds2-18/+16
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 timer fixes from Thomas Gleixner: "Two commits which were missed to be sent during the merge window. - The TSC calibration fix turns out to be more urgent as recent Skylake-X systems seem to have massive trouble with calibration disturbance. This should go back into stable for that reason and it the risk of breakage is rather low. - Drop an unused define" * 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/hpet: Remove unused FSEC_PER_NSEC define x86/tsc: Make calibration refinement more robust
2019-01-27Merge branch 'timers-urgent-for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Thomas Glexiner: "A single regression fix to address the unintended breakage of posix cpu timers. This is caused by a new sanity check in the common code, which fails for posix cpu timers under certain conditions because the posix cpu timer code never updates the variable which is checked" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: posix-cpu-timers: Unbreak timer rearming
2019-01-27Merge branch 'locking-urgent-for-linus' of ↵Linus Torvalds5-12/+39
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Thomas Gleixner: "A small series of fixes which all address possible missed wakeups: - Document and fix the wakeup ordering of wake_q - Add the missing barrier in rcuwait_wake_up(), which was documented in the comment but missing in the code - Fix the possible missed wakeups in the rwsem and futex code" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/rwsem: Fix (possible) missed wakeup futex: Fix (possible) missed wakeup sched/wake_q: Fix wakeup ordering for wake_q sched/wake_q: Document wake_q_add() sched/wait: Fix rcuwait_wake_up() ordering
2019-01-27Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds7-16/+20
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Thomas Gleixner: "A small set of fixes for the interrupt subsystem: - Fix a double increment in the irq descriptor allocator which resulted in a sanity check only being done for every second affinity mask - Add a missing device tree translation in the stm32-exti driver. Without that the interrupt association is completely wrong. - Initialize the mutex in the GIC-V3 MBI driver - Fix the alignment for aliasing devices in the GIC-V3-ITS driver so multi MSI allocations work correctly - Ensure that the initial affinity of a interrupt is not empty at startup time. - Drop bogus include in the madera irq chip driver - Fix KernelDoc regression" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/gic-v3-its: Align PCI Multi-MSI allocation on their size genirq/irqdesc: Fix double increment in alloc_descs() genirq: Fix the kerneldoc comment for struct irq_affinity_desc irqchip/madera: Drop GPIO includes irqchip/gic-v3-mbi: Fix uninitialized mbi_lock irqchip/stm32-exti: Add domain translate function genirq: Make sure the initial affinity is not empty
2019-01-27Merge tag 'edac_fix_for_5.0' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp Pull EDAC fix from Borislav Petkov: "Fix persistent register offsets of altera_edac, from Thor Thayer" * tag 'edac_fix_for_5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: EDAC, altera: Fix S10 persistent register offset
2019-01-27Merge tag 'for-linus-20190127' of git://git.kernel.dk/linux-blockLinus Torvalds2-11/+10
Pull block revert from Jens Axboe: "Silly error snuck into a patch from the last series, let's do a revert to avoid a potential use-after-free" * tag 'for-linus-20190127' of git://git.kernel.dk/linux-block: Revert "block: cover another queue enter recursion via BIO_QUEUE_ENTERED"
2019-01-27Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds13-115/+130
Pull KVM fixes from Paolo Bonzini: "Quite a few fixes for x86: nested virtualization save/restore, AMD nested virtualization and virtual APIC, 32-bit fixes, an important fix to restore operation on older processors, and a bunch of hyper-v bugfixes. Several are marked stable. There are also fixes for GCC warnings and for a GCC/objtool interaction" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: Mark expected switch fall-throughs KVM: x86: fix TRACE_INCLUDE_PATH and remove -I. header search paths KVM: selftests: check returned evmcs version range x86/kvm/hyper-v: nested_enable_evmcs() sets vmcs_version incorrectly KVM: VMX: Move vmx_vcpu_run()'s VM-Enter asm blob to a helper function kvm: selftests: Fix region overlap check in kvm_util kvm: vmx: fix some -Wmissing-prototypes warnings KVM: nSVM: clear events pending from svm_complete_interrupts() when exiting to L1 svm: Fix AVIC incomplete IPI emulation svm: Add warning message for AVIC IPI invalid target KVM: x86: WARN_ONCE if sending a PV IPI returns a fatal error KVM: x86: Fix PV IPIs for 32-bit KVM host x86/kvm/hyper-v: recommend using eVMCS only when it is enabled x86/kvm/hyper-v: don't recommend doing reset via synthetic MSR kvm: x86/vmx: Use kzalloc for cached_vmcs12 KVM: VMX: Use the correct field var when clearing VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL KVM: x86: Fix single-step debugging x86/kvm/hyper-v: don't announce GUEST IDLE MSR support
2019-01-27Merge tag 'dma-mapping-5.0-2' of git://git.infradead.org/users/hch/dma-mappingLinus Torvalds6-102/+176
Pull dma-mapping fix from Christoph Hellwig: "Fix a xen-swiotlb regression on arm64" * tag 'dma-mapping-5.0-2' of git://git.infradead.org/users/hch/dma-mapping: arm64/xen: fix xen-swiotlb cache flushing
2019-01-27Merge tag 'libnvdimm-fixes-5.0-rc4' of ↵Linus Torvalds6-27/+73
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm fixes from Dan Williams: "A fix for namespace label support for non-Intel NVDIMMs that implement the ACPI standard label method. This has apparently never worked and could wait for v5.1. However it has enough visibility with hardware vendors [1] and distro bug trackers [2], and low enough risk that I decided it should go in for -rc4. The other fixups target the new, for v5.0, nvdimm security functionality. The larger init path fixup closes a memory leak and a potential userspace lockup due to missed notifications. [1] https://github.com/pmem/ndctl/issues/78 [2] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1811785 These have all soaked in -next for a week with no reported issues. Summary: - Fix support for NVDIMMs that implement the ACPI standard label methods. - Fix error handling for security overwrite (memory leak / userspace hang condition), and another one-line security cleanup" * tag 'libnvdimm-fixes-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: acpi/nfit: Fix command-supported detection acpi/nfit: Block function zero DSMs libnvdimm/security: Require nvdimm_security_setup_events() to succeed nfit_test: fix security state pull for nvdimm security nfit_test
2019-01-27Merge branch 'for-linus' of ↵Linus Torvalds5-5/+14
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: "A fixup for the input_event fix for y2038 Sparc64, and couple other minor fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: input_event - fix the CONFIG_SPARC64 mixup Input: olpc_apsp - assign priv->dev earlier Input: uinput - fix undefined behavior in uinput_validate_absinfo() Input: raspberrypi-ts - fix link error Input: xpad - add support for SteelSeries Stratus Duo Input: input_event - provide override for sparc64
2019-01-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds41-288/+405
Pull networking fixes from David Miller: 1) Count ttl-dropped frames properly in mac80211, from Bob Copeland. 2) Integer overflow in ktime handling of bcm can code, from Oliver Hartkopp. 3) Fix RX desc handling wrt. hw checksumming in ravb, from Simon Horman. 4) Various hash key fixes in hv_netvsc, from Haiyang Zhang. 5) Use after free in ax25, from Eric Dumazet. 6) Several fixes to the SSN support in SCTP, from Xin Long. 7) Do not process frames after a NAPI reschedule in ibmveth, from Thomas Falcon. 8) Fix NLA_POLICY_NESTED arguments, from Johannes Berg. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (42 commits) qed: Revert error handling changes. cfg80211: extend range deviation for DMG cfg80211: reg: remove warn_on for a normal case mac80211: Add attribute aligned(2) to struct 'action' mac80211: don't initiate TDLS connection if station is not associated to AP nl80211: fix NLA_POLICY_NESTED() arguments ibmveth: Do not process frames after calling napi_reschedule net: dev_is_mac_header_xmit() true for ARPHRD_RAWIP net: usb: asix: ax88772_bind return error when hw_reset fail MAINTAINERS: Update cavium networking drivers net/mlx4_core: Fix error handling when initializing CQ bufs in the driver net/mlx4_core: Add masking for a few queries on HCA caps sctp: set flow sport from saddr only when it's 0 sctp: set chunk transport correctly when it's a new asoc sctp: improve the events for sctp stream adding sctp: improve the events for sctp stream reset ip_tunnel: Make none-tunnel-dst tunnel port work with lwtunnel ax25: fix possible use-after-free sfc: suppress duplicate nvmem partition types in efx_ef10_mtd_probe hv_netvsc: fix typos in code comments ...
2019-01-27Revert "block: cover another queue enter recursion via BIO_QUEUE_ENTERED"Jens Axboe2-11/+10
We can't touch a bio after ->make_request_fn(), for all we know it could already have been completed by the time this function returns. This reverts commit 698cef173983b086977e633e46476e0f925ca01e. Reported-by: syzbot+4df6ca820108fd248943@syzkaller.appspotmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-01-26Merge tag '5.0-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds10-67/+136
Pull smb3 fixes from Steve French: "A set of small smb3 fixes, some fixing various crediting issues discovered during xfstest runs, five for stable" * tag '5.0-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: print CIFSMaxBufSize as part of /proc/fs/cifs/DebugData smb3: add credits we receive from oplock/break PDUs CIFS: Fix mounts if the client is low on credits CIFS: Do not assume one credit for async responses CIFS: Fix credit calculations in compound mid callback CIFS: Fix credit calculation for encrypted reads with errors CIFS: Fix credits calculations for reads with errors CIFS: Do not reconnect TCP session in add_credits() smb3: Cleanup license mess CIFS: Fix possible hang during async MTU reads and writes cifs: fix memory leak of an allocated cifs_ntsd structure
2019-01-26Merge tag 'vfio-v5.0-rc4' of git://github.com/awilliam/linux-vfioLinus Torvalds2-25/+17
Pull VFIO fixes from Alex Williamson: - cleanup licenses in new files (Thomas Gleixner) - cleanup new compiler warnings (Alexey Kardashevskiy) * tag 'vfio-v5.0-rc4' of git://github.com/awilliam/linux-vfio: vfio-pci/nvlink2: Fix ancient gcc warnings vfio/pci: Cleanup license mess
2019-01-26Merge tag 'scsi-fixes' of ↵Linus Torvalds12-45/+47
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Six fixes, all of which appear to have user visible consequences. The DMA one is a regression fix from the merge window and of the others, four are driver specific and one specific to the target code" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ufs: Use explicit access size in ufshcd_dump_regs scsi: tcmu: fix use after free scsi: csiostor: fix NULL pointer dereference in csio_vport_set_state() scsi: lpfc: nvmet: avoid hang / use-after-free when destroying targetport scsi: lpfc: nvme: avoid hang / use-after-free when destroying localport scsi: communicate max segment size to the DMA mapping code
2019-01-26Merge tag 'for-linus-20190125' of git://git.kernel.dk/linux-blockLinus Torvalds14-50/+129
Pull block fixes from Jens Axboe: "A collection of fixes for this release. This contains: - Silence sparse rightfully complaining about non-static wbt functions (Bart) - Fixes for the zoned comments/ioctl documentation (Damien) - direct-io fix that's been lingering for a while (Ernesto) - cgroup writeback fix (Tejun) - Set of NVMe patches for nvme-rdma/tcp (Sagi, Hannes, Raju) - Block recursion tracking fix (Ming) - Fix debugfs command flag naming for a few flags (Jianchao)" * tag 'for-linus-20190125' of git://git.kernel.dk/linux-block: block: Fix comment typo uapi: fix ioctl documentation blk-wbt: Declare local functions static blk-mq: fix the cmd_flag_name array nvme-multipath: drop optimization for static ANA group IDs nvmet-rdma: fix null dereference under heavy load nvme-rdma: rework queue maps handling nvme-tcp: fix timeout handler nvme-rdma: fix timeout handler writeback: synchronize sync(2) against cgroup writeback membership switches block: cover another queue enter recursion via BIO_QUEUE_ENTERED direct-io: allow direct writes to empty inodes
2019-01-25qed: Revert error handling changes.David S. Miller18-743/+202
This is new code and not bug fixes. This reverts all changes added by merge commit 8fb18be93efd7292d6ee403b9f61af1008239639 Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-25Merge tag 'mmc-v5.0-rc2' of ↵Linus Torvalds4-20/+26
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fixes from Ulf Hansson: - sdhci-acpi: Fixup build dependency for PCI - sdhci-omap: Resolve Kconfig warnings on keystone - sdhci-iproc: Propagate errors from DT parsing - meson-gx: Fixup IRQ handling in release callback - meson-gx: Use signal re-sampling to fixup tuning - dw_mmc-bluefield: Fix the license information * tag 'mmc-v5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: dw_mmc-bluefield: : Fix the license information mmc: meson-gx: enable signal re-sampling together with tuning mmc: sdhci-iproc: handle mmc_of_parse() errors during probe mmc: meson-gx: Free irq in release() callback mmc: host: Fix Kconfig warnings on keystone_defconfig mmc: sdhci-acpi: Make PCI dependency explicit
2019-01-25Merge tag 'char-misc-5.0-rc4' of ↵Linus Torvalds13-202/+272
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are some small char and misc driver fixes to resolve some reported issues, as well as a number of binderfs fixups that were found after auditing the filesystem code by Al Viro. As binderfs hasn't been in a previous release yet, it's good to get these in now before the first users show up. All of these have been in linux-next for a bit with no reported issues" * tag 'char-misc-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (26 commits) i3c: master: Fix an error checking typo in 'cdns_i3c_master_probe()' binderfs: switch from d_add() to d_instantiate() binderfs: drop lock in binderfs_binder_ctl_create binderfs: kill_litter_super() before cleanup binderfs: rework binderfs_binder_device_create() binderfs: rework binderfs_fill_super() binderfs: prevent renaming the control dentry binderfs: remove outdated comment binderfs: use __u32 for device numbers binderfs: use correct include guards in header misc: pvpanic: fix warning implicit declaration char/mwave: fix potential Spectre v1 vulnerability misc: ibmvsm: Fix potential NULL pointer dereference binderfs: fix error return code in binderfs_fill_super() mei: me: add denverton innovation engine device IDs mei: me: mark LBG devices as having dma support mei: dma: silent the reject message binderfs: handle !CONFIG_IPC_NS builds binderfs: reserve devices for initial mount binderfs: rename header to binderfs.h ...
2019-01-25Merge tag 'staging-5.0-rc4' of ↵Linus Torvalds6-10/+12
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fixes from Greg KH: "Here are some small staging driver fixes for 5.0-rc4. They resolve some reported bugs and add a new device id for one driver. Nothing major at all, but all good to have. All of these have been in linux-next for a while with no reported issues" * tag 'staging-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: android: ion: Support cpu access during dma_buf_detach staging: rtl8723bs: Fix build error with Clang when inlining is disabled staging: rtl8188eu: Add device code for D-Link DWA-121 rev B1 staging: vchiq: Fix local event signalling Staging: wilc1000: unlock on error in init_chip() staging: wilc1000: fix memory leak in wilc_add_rx_gtk staging: wilc1000: fix registration frame size
2019-01-25Merge tag 'tty-5.0-rc4' of ↵Linus Torvalds8-52/+44
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver fixes from Greg KH: "Here are a number of small tty core and serial driver fixes for 5.0-rc4 to resolve some reported issues. Nothing major, the small serial driver fixes, a tty core fixup for a crash that was reported, and some good vt fixes from Nicolas Pitre as he seems to be auditing that chunk of code a lot lately. All of these have been in linux-next for a while with no reported issues" * tag 'tty-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: fsl_lpuart: fix maximum acceptable baud rate with over-sampling tty: serial: qcom_geni_serial: Allow mctrl when flow control is disabled tty: Handle problem if line discipline does not have receive_buf vgacon: unconfuse vc_origin when using soft scrollback vt: invoke notifier on screen size change vt: always call notifier with the console lock held vt: make vt_console_print() compatible with the unicode screen buffer tty/n_hdlc: fix __might_sleep warning serial: 8250: Fix serial8250 initialization crash uart: Fix crash in uart_write and uart_put_char
2019-01-25Merge tag 'usb-5.0-rc4' of ↵Linus Torvalds19-23/+50
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB/PHY fixes from Greg KH: "Here are a number of small USB and PHY driver fixes for 5.0-rc4. Nothing major at all, just the usual selection of USB gadget bugfixes, some new USB serial driver ids, some SPDX fixes, and some PHY driver fixes for reported issues. All of these have been in linux-next for a while with no reported issues" * tag 'usb-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: serial: keyspan_usa: add proper SPDX lines for .h files USB: EHCI: ehci-mv: add MODULE_DEVICE_TABLE USB: leds: fix regression in usbport led trigger usb: chipidea: fix static checker warning for NULL pointer MAINTAINERS: email address update in MAINTAINERS entries USB: usbip: delete README file USB: serial: pl2303: add new PID to support PL2303TB usb: dwc2: gadget: Fix Remote Wakeup interrupt bit clearing phy: ath79-usb: Fix the main reset name to match the DT binding phy: ath79-usb: Fix the power on error path phy: fix build breakage: add PHY_MODE_SATA phy: ti: ensure priv is not null before dereferencing it USB: serial: ftdi_sio: fix GPIO not working in autosuspend usb: gadget: Potential NULL dereference on allocation error usb: dwc3: gadget: Fix the uninitialized link_state when udc starts usb: dwc3: gadget: Clear req->needs_extra_trb flag on cleanup usb: dwc3: gadget: synchronize_irq dwc irq in suspend USB: serial: simple: add Motorola Tetra TPG2200 device id
2019-01-25Merge tag 'mac80211-for-davem-2019-01-25' of ↵David S. Miller6-8/+26
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== Just a few small fixes: * avoid trying to operate TDLS when not connection, this is not valid and led to issues * count TTL-dropped frames in mesh better * deal with new WiGig channels in regulatory code * remove a WARN_ON() that can trigger due to benign races during device/driver registration * fix nested netlink policy maxattrs (syzkaller) * fix hwsim n_limits (syzkaller) * propagate __aligned(2) to a surrounding struct * return proper error in virt_wifi error path ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-25KVM: x86: Mark expected switch fall-throughsGustavo A. R. Silva6-4/+10
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warnings: arch/x86/kvm/lapic.c:1037:27: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/x86/kvm/lapic.c:1876:3: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/x86/kvm/hyperv.c:1637:6: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/x86/kvm/svm.c:4396:6: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/x86/kvm/mmu.c:4372:36: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/x86/kvm/x86.c:3835:6: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/x86/kvm/x86.c:7938:23: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/x86/kvm/vmx/vmx.c:2015:6: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/x86/kvm/vmx/vmx.c:1773:6: warning: this statement may fall through [-Wimplicit-fallthrough=] Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enabling -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-01-25KVM: x86: fix TRACE_INCLUDE_PATH and remove -I. header search pathsMasahiro Yamada2-5/+1
The header search path -I. in kernel Makefiles is very suspicious; it allows the compiler to search for headers in the top of $(srctree), where obviously no header file exists. The reason of having -I. here is to make the incorrectly set TRACE_INCLUDE_PATH working. As the comment block in include/trace/define_trace.h says, TRACE_INCLUDE_PATH should be a relative path to the define_trace.h Fix the TRACE_INCLUDE_PATH, and remove the iffy include paths. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-01-25KVM: selftests: check returned evmcs version rangeVitaly Kuznetsov1-0/+6
Check that KVM_CAP_HYPERV_ENLIGHTENED_VMCS returns correct version range. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-01-25x86/kvm/hyper-v: nested_enable_evmcs() sets vmcs_version incorrectlyVitaly Kuznetsov1-3/+4
Commit e2e871ab2f02 ("x86/kvm/hyper-v: Introduce nested_get_evmcs_version() helper") broke EVMCS enablement: to set vmcs_version we now call nested_get_evmcs_version() but this function checks enlightened_vmcs_enabled flag which is not yet set so we end up returning zero. Fix the issue by re-arranging things in nested_enable_evmcs(). Fixes: e2e871ab2f02 ("x86/kvm/hyper-v: Introduce nested_get_evmcs_version() helper") Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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