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2018-10-16mtd_blkdevs: convert to blk-mqJens Axboe
Straight forward conversion, using an internal list to enable the driver to pull requests at will. Dynamically allocate the tag set to avoid having to pull in the block headers for blktrans.h, since various mtd drivers use block conflicting names for defines and functions. Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Tested-by: Richard Weinberger <richard@nod.at> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-10-16drm/edid: VSDB yCBCr420 Deep Color mode bit definitionsClint Taylor
HDMI Forum VSDB YCBCR420 deep color capability bits are 2:0. Correct definitions in the header for the mask to work correctly. Fixes: e6a9a2c3dc43 ("drm/edid: parse ycbcr 420 deep color information") Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107893 Cc: <stable@vger.kernel.org> # v4.14+ Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Shashank Sharma <shashank.sharma@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1538776335-12569-1-git-send-email-clinton.a.taylor@intel.com
2018-10-16lib: Fix ia64 bootloader linkageAlexander Shishkin
kbuild robot reports that since commit ce76d938dd98 ("lib: Add memcat_p(): paste 2 pointer arrays together") the ia64/hp/sim/boot fails to link: > LD arch/ia64/hp/sim/boot/bootloader > lib/string.o: In function `__memcat_p': > string.c:(.text+0x1f22): undefined reference to `__kmalloc' > string.c:(.text+0x1ff2): undefined reference to `__kmalloc' > make[1]: *** [arch/ia64/hp/sim/boot/Makefile:37: arch/ia64/hp/sim/boot/bootloader] Error 1 The reason is, the above commit, via __memcat_p(), adds a call to __kmalloc to string.o, which happens to be used in the bootloader, but there's no kmalloc or slab or anything. Since the linker would only pull in objects that contain referenced symbols, moving __memcat_p() to a different compilation unit solves the problem. Fixes: ce76d938dd98 ("lib: Add memcat_p(): paste 2 pointer arrays together") Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reported-by: kbuild test robot <lkp@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16perf evsel: Store ids for events with their own cpus ↵Jiri Olsa
perf_event__synthesize_event_update_cpus John reported crash when recording on an event under PMU with cpumask defined: root@localhost:~# ./perf_debug_ record -e armv8_pmuv3_0/br_mis_pred/ sleep 1 perf: Segmentation fault Obtained 9 stack frames. ./perf_debug_() [0x4c5ef8] [0xffff82ba267c] ./perf_debug_() [0x4bc5a8] ./perf_debug_() [0x419550] ./perf_debug_() [0x41a928] ./perf_debug_() [0x472f58] ./perf_debug_() [0x473210] ./perf_debug_() [0x4070f4] /lib/aarch64-linux-gnu/libc.so.6(__libc_start_main+0xe0) [0xffff8294c8a0] Segmentation fault (core dumped) We synthesize an update event that needs to touch the evsel id array, which is not defined at that time. Fixing this by forcing the id allocation for events with their own cpus. Reported-by: John Garry <john.garry@huawei.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will.deacon@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linuxarm@huawei.com Fixes: bfd8f72c2778 ("perf record: Synthesize unit/scale/... in event update") Link: http://lkml.kernel.org/r/20181003212052.GA32371@krava Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-10-16USB: fix the usbfs flag sanitization for control transfersAlan Stern
Commit 7a68d9fb8510 ("USB: usbdevfs: sanitize flags more") checks the transfer flags for URBs submitted from userspace via usbfs. However, the check for whether the USBDEVFS_URB_SHORT_NOT_OK flag should be allowed for a control transfer was added in the wrong place, before the code has properly determined the direction of the control transfer. (Control transfers are special because for them, the direction is set by the bRequestType byte of the Setup packet rather than direction bit of the endpoint address.) This patch moves code which sets up the allow_short flag for control transfers down after is_in has been set to the correct value. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Reported-and-tested-by: syzbot+24a30223a4b609bb802e@syzkaller.appspotmail.com Fixes: 7a68d9fb8510 ("USB: usbdevfs: sanitize flags more") CC: Oliver Neukum <oneukum@suse.com> CC: <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16arm64: cpufeature: Trap CTR_EL0 access only where it is necessarySuzuki K Poulose
When there is a mismatch in the CTR_EL0 field, we trap access to CTR from EL0 on all CPUs to expose the safe value. However, we could skip trapping on a CPU which matches the safe value. Cc: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2018-10-16arm64: cpufeature: Fix handling of CTR_EL0.IDC fieldSuzuki K Poulose
CTR_EL0.IDC reports the data cache clean requirements for instruction to data coherence. However, if the field is 0, we need to check the CLIDR_EL1 fields to detect the status of the feature. Currently we don't do this and generate a warning with tainting the kernel, when there is a mismatch in the field among the CPUs. Also the userspace doesn't have a reliable way to check the CLIDR_EL1 register to check the status. This patch fixes the problem by checking the CLIDR_EL1 fields, when (CTR_EL0.IDC == 0) and updates the kernel's copy of the CTR_EL0 for the CPU with the actual status of the feature. This would allow the sanity check infrastructure to do the proper checking of the fields and also allow the CTR_EL0 emulation code to supply the real status of the feature. Now, if a CPU has raw CTR_EL0.IDC == 0 and effective IDC == 1 (with overall system wide IDC == 1), we need to expose the real value to the user. So, we trap CTR_EL0 access on the CPU which reports incorrect CTR_EL0.IDC. Fixes: commit 6ae4b6e057888 ("arm64: Add support for new control bits CTR_EL0.DIC and CTR_EL0.IDC") Cc: Shanker Donthineni <shankerd@codeaurora.org> Cc: Philip Elcan <pelcan@codeaurora.org> Cc: Will Deacon <will.deacon@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2018-10-16arm64: cpufeature: ctr: Fix cpu capability check for late CPUsSuzuki K Poulose
The matches() routine for a capability must honor the "scope" passed to it and return the proper results. i.e, when passed with SCOPE_LOCAL_CPU, it should check the status of the capability on the current CPU. This is used by verify_local_cpu_capabilities() on a late secondary CPU to make sure that it's compliant with the established system features. However, ARM64_HAS_CACHE_{IDC/DIC} always checks the system wide registers and this could mean that a late secondary CPU could return "true" (since the CPU hasn't updated the system wide registers yet) and thus lead the system in an inconsistent state, where the system assumes it has IDC/DIC feature, while the new CPU doesn't. Fixes: commit 6ae4b6e0578886eb36 ("arm64: Add support for new control bits CTR_EL0.DIC and CTR_EL0.IDC") Cc: Philip Elcan <pelcan@codeaurora.org> Cc: Shanker Donthineni <shankerd@codeaurora.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2018-10-16devres: provide devm_kstrdup_const()Bartosz Golaszewski
Provide a resource managed version of kstrdup_const(). This variant internally calls devm_kstrdup() on pointers that are outside of .rodata section and returns the string as is otherwise. Make devm_kfree() check if the passed pointer doesn't point to .rodata and if so - don't actually destroy the resource. Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16mm: move is_kernel_rodata() to asm-generic/sections.hBartosz Golaszewski
Export this routine so that we can use it later in devm_kstrdup_const() and devm_kfree(). Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16devres: constify p in devm_kfree()Bartosz Golaszewski
Make devm_kfree() signature uniform with that of kfree(). To avoid compiler warnings: cast p to (void *) when calling devres_destroy(). Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16driver core: add BUS_ATTR_WO() macroGreg Kroah-Hartman
Many bus attributes are write-only, so provide a simple macro for that to be able to match the other driver core attribute macros. Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Cc: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16MAINTAINERS: Clarify UIO vs UIOVEC maintainerDan Williams
The UIO file mask in MAINTAINERS was incorrectly directing UIOVEC (include/linux/uio.h) patches to Greg. Tag Al as the UIOVEC maintainer as Ingo and others have explicitly required his ack before taking architecture patches that touch lib/iov_iter.c. Cc: Al Viro <viro@zeniv.linux.org.uk> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16ALSA: hda: Add 2 more models to the power_save blacklistHans de Goede
Power-saving is causing plops on audio start/stop on Dell Precision T3600 laptops and Intel DZ77BH boards, add these to the power_save blacklist. BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1525104 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-10-16cpufreq: conservative: Take limits changes into account properlyRafael J. Wysocki
If the policy limits change between invocations of cs_dbs_update(), the requested frequency value stored in dbs_info may not be updated and the function may use a stale value of it next time. Moreover, if idle periods are takem into account by cs_dbs_update(), the requested frequency value stored in dbs_info may be below the min policy limit, which is incorrect. To fix these problems, always update the requested frequency value in dbs_info along with the local copy of it when the previous requested frequency is beyond the policy limits and avoid decreasing the requested frequency below the min policy limit when taking idle periods into account. Fixes: abb6627910a1 (cpufreq: conservative: Fix next frequency selection) Fixes: 00bfe05889e9 (cpufreq: conservative: Decrease frequency faster for deferred updates) Reported-by: Waldemar Rymarkiewicz <waldemarx.rymarkiewicz@intel.com> Cc: All applicable <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Waldemar Rymarkiewicz <waldemarx.rymarkiewicz@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
2018-10-16parisc: Fix uninitialized variable usage in unwind.cHelge Deller
As noticed by Dave Anglin, the last commit introduced a small bug where the potentially uninitialized r struct is used instead of the regs pointer as input for unwind_frame_init(). Fix it. Signed-off-by: Helge Deller <deller@gmx.de> Reported-by: John David Anglin <dave.anglin@bell.net>
2018-10-16docs/uio: fix a grammar nitpickWill Korteland
This patch fixes a minor, incorrect piece of grammar in the UIO howto. Signed-off-by: Will Korteland <will@korte.land> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16docs: fpga: document programming fpgas using regionsAlan Tull
Clarify the intention that interfaces and upper layers use regions rather than managers directly. Rearrange API documentation to better group the API functions used to create FPGA mgr/bridge/regions and the API used for programming FPGAs. Signed-off-by: Alan Tull <atull@kernel.org> Suggested-by: Federico Vaga <federico.vaga@cern.ch> Acked-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16fpga: add devm_fpga_region_createAlan Tull
Add devm_fpga_region_create() which is the managed version of fpga_region_create(). Change current region drivers to use devm_fpga_region_create(). Signed-off-by: Alan Tull <atull@kernel.org> Suggested-by: Federico Vaga <federico.vaga@cern.ch> Acked-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16fpga: bridge: add devm_fpga_bridge_createAlan Tull
Add devm_fpga_bridge_create() which is the managed version of fpga_bridge_create(). Change current bridge drivers to use devm_fpga_bridge_create(). Signed-off-by: Alan Tull <atull@kernel.org> Suggested-by: Federico Vaga <federico.vaga@cern.ch> Acked-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16fpga: mgr: add devm_fpga_mgr_createAlan Tull
Add devm_fpga_mgr_create() which is the managed version of fpga_mgr_create(). Change current FPGA manager drivers to use devm_fpga_mgr_create() Signed-off-by: Alan Tull <atull@kernel.org> Suggested-by: Federico Vaga <federico.vaga@cern.ch> Acked-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-16jffs2: free jffs2_sb_info through jffs2_kill_sb()Hou Tao
When an invalid mount option is passed to jffs2, jffs2_parse_options() will fail and jffs2_sb_info will be freed, but then jffs2_sb_info will be used (use-after-free) and freeed (double-free) in jffs2_kill_sb(). Fix it by removing the buggy invocation of kfree() when getting invalid mount options. Fixes: 92abc475d8de ("jffs2: implement mount option parsing and compression overriding") Cc: stable@kernel.org Signed-off-by: Hou Tao <houtao1@huawei.com> Reviewed-by: Richard Weinberger <richard@nod.at> Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-10-16Documentation: intel_pstate: Add base_frequency informationSrinivas Pandruvada
Updated documentation to explain base_frequency attribute. Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-10-16cpufreq: intel_pstate: Add base_frequency attributeSrinivas Pandruvada
Expose base_frequency to user space via cpufreq sysfs when HWP is in use. This HWP base frequency is read from the ACPI _CPC object if present, or from the HWP Capabilities MSR otherwise. On the majority of the HWP platforms the _CPC object will point to the HWP Capabilities MSR using the "Functional Fixed Hardware" address space type. The address space type also can simply be ACPI_TYPE_INTEGER, however, in which case the platform firmware can set its value at the initialization time based on the system constraints. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> [ rjw: Changelog ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-10-16ACPI / CPPC: Add support for guaranteed performanceSrinivas Pandruvada
The Continuous Performance Control package may contain an optional guaranteed performance field. Add support to read guaranteed performance from _CPC. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-10-16Merge tag 'linux-cpupower-4.20-rc1' of ↵Rafael J. Wysocki
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux into pm-tools Pull cpupower utility changes for 4.20 from Shuah Khan: "This cpupower update consists of fixes for bugs and compile warnings from Prarit Bhargava and Anders Roxell." * tag 'linux-cpupower-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: cpupower: Fix coredump on VMWare cpupower: Fix AMD Family 0x17 msr_pstate size cpupower: remove stringop-truncation waring
2018-10-16pinctrl: sunxi: Fix a memory leak in 'sunxi_pinctrl_build_state()'Christophe JAILLET
If 'krealloc()' fails, 'pctl->functions' is set to NULL. We should instead use a temp variable in order to be able to free the previously allocated memeory, in case of OOM. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-10-16ACPI/ADXL: Add address translation interface using an ACPI DSMTony Luck
Some new Intel servers provide an interface so that the OS can ask the BIOS to translate a system physical address to a memory address (socket, memory controller, channel, rank, dimm, etc.). This is useful for EDAC drivers that want to take the address of an error reported in a machine check bank and let the user know which DIMM may need to be replaced. Specification for this interface is available at: https://cdrdv2.intel.com/v1/dl/getContent/603354 [ Based on earlier code by Qiuxu Zhuo <qiuxu.zhuo@intel.com>. ] [ bp: Make the first pr_info() in adxl_init() pr_debug() so that it doesn't pollute every dmesg. ] Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com> CC: Len Brown <lenb@kernel.org> CC: linux-acpi@vger.kernel.org CC: linux-edac@vger.kernel.org Link: http://lkml.kernel.org/r/20181015202620.23610-1-tony.luck@intel.com
2018-10-16gpio: uniphier: include <linux/bits.h> instead of <linux/bitops.h>Masahiro Yamada
The reason of including <linux/bitops.h> here is just for BIT() and GENMASK macros. Since commit 8bd9cb51daac8 ("locking/atomics, asm-generic: Move some macros from <linux/bitops.h> to a new <linux/bits.h> file"), <linux/bits.h> is enough for such compile-time macros. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-10-16pinctrl: uniphier: include <linux/bits.h> instead of <linux/bitops.h>Masahiro Yamada
The reason of including <linux/bitops.h> here is just for BIT() macro. Since commit 8bd9cb51daac8 ("locking/atomics, asm-generic: Move some macros from <linux/bitops.h> to a new <linux/bits.h> file"), <linux/bits.h> is enough for such compile-time macros. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-10-16netfilter: nf_nat_snmp_basic: add missing helper alias nameTaehee Yoo
In order to upload helper module automatically, helper alias name is needed. so that MODULE_ALIAS_NFCT_HELPER() should be added. And unlike other nat helper modules, the nf_nat_snmp_basic can be used independently. helper name is "snmp_trap" so that alias name will be "nfct-helper-snmp_trap" by MODULE_ALIAS_NFCT_HELPER(snmp_trap) test command: %iptables -t raw -I PREROUTING -p udp -j CT --helper snmp_trap %lsmod | grep nf_nat_snmp_basic We can see nf_nat_snmp_basic module is uploaded automatically. Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-10-16netfilter: xt_osf: simplify xt_osf_match_packet()Pablo Neira Ayuso
info area in match is always available, and remove unneeded variables. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-10-16netfilter: nft_xfrm: use state family, not hook oneFlorian Westphal
Eyal says: doesn't the use of nft_pf(pkt) in this context limit the matching of encapsulated packets to the same family? IIUC when an e.g. IPv6-in-IPv4 packet is matched, the nft_pf(pkt) will be the decapsulated packet family - IPv6 - whereas the state may be IPv4. So this check would not allow matching the 'underlay' address in such cases. I know this was a limitation in xt_policy. but is this intentional in this matcher? or is it possible to use state->props.family when validating the match instead of nft_pf(pkt)? Userspace already tells us which address family it expects to match, so we can just use the real state family rather than the hook family. so change it as suggested above. Reported-by: Eyal Birger <eyal.birger@gmail.com> Suggested-by: Eyal Birger <eyal.birger@gmail.com> Fixes: 6c47260250fc6 ("netfilter: nf_tables: add xfrm expression") Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-10-16netfilter: nft_osf: Add ttl option supportFernando Fernandez Mancera
Add ttl option support to the nftables "osf" expression. Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-10-16netfilter: cttimeout: remove set but not used variable 'l3num'YueHaibing
Fixes gcc '-Wunused-but-set-variable' warning: net/netfilter/nfnetlink_cttimeout.c: In function 'cttimeout_default_set': net/netfilter/nfnetlink_cttimeout.c:353:8: warning: variable 'l3num' set but not used [-Wunused-but-set-variable] It not used any more after commit dd2934a95701 ("netfilter: conntrack: remove l3->l4 mapping information") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-10-16netfilter: Replace spin_is_locked() with lockdepLance Roy
lockdep_assert_held() is better suited to checking locking requirements, since it won't get confused when someone else holds the lock. This is also a step towards possibly removing spin_is_locked(). Signed-off-by: Lance Roy <ldr709@gmail.com> Cc: Pablo Neira Ayuso <pablo@netfilter.org> Cc: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Cc: Florian Westphal <fw@strlen.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: <netfilter-devel@vger.kernel.org> Cc: <coreteam@netfilter.org> Cc: <netdev@vger.kernel.org> Acked-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-10-16dt-bindings: pinctrl: bcm4708-pinmux: improve example bindingRafał Miłecki
Broadcom SoC pins are controlled using CRU ("Clock and Reset Unit" or "Central Resource Unit") registers. There are more CRU registers and functions so CRU should be represented as a separated block in DT. Moreover CRU is a sub-block of DMU ("Device Management Unit") so that one should also get its own node. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-10-16sched/fair: Fix the min_vruntime update logic in dequeue_entity()Song Muchun
The comment and the code around the update_min_vruntime() call in dequeue_entity() are not in agreement. From commit: b60205c7c558 ("sched/fair: Fix min_vruntime tracking") I think that we want to update min_vruntime when a task is sleeping/migrating. So, the check is inverted there - fix it. Signed-off-by: Song Muchun <smuchun@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes: b60205c7c558 ("sched/fair: Fix min_vruntime tracking") Link: http://lkml.kernel.org/r/20181014112612.2614-1-smuchun@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-10-16gpio: Clarify kerneldoc on gpiochip_set_chained_irqchip()Stephen Boyd
This doesn't support nested anymore, so drivers shouldn't call it with the handler set to NULL. Cc: Evan Green <evgreen@chromium.org> Cc: Thierry Reding <treding@nvidia.com> Cc: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-10-16gpio: Remove unused 'irqchip' argument to gpiochip_set_cascaded_irqchip()Stephen Boyd
This argument hasn't ever been used since it was introduced in commit 1425052097b5 ("gpio: add IRQ chip helpers in gpiolib"). Let's drop it to reduce reading confusion. Cc: Evan Green <evgreen@chromium.org> Cc: Thierry Reding <treding@nvidia.com> Cc: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-10-16gpio: Drop parent irq assignment during cascade setupStephen Boyd
We want to set the irq parent for interrupts that we're setting up to be cascaded from another interrupt controller, but we may or may not have already mapped the gpiochip irqs into the kernel's virtual irq number space at this point. If we have mapped irqs before calling here, then we've gone through gpiochip_irq_map() and called irq_set_parent() already. If we haven't mapped irqs, then the gpiochip is dynamically mapping irqs and we can rely on gpiochip_irq_map() or the gpio driver's irqdomain ops to setup the irq parent properly. Either way, setting the parent here when cascading the gpiochip doesn't make much sense because it should be done at irq mapping time. In the dynamic mapping case, this code is mapping virq 0 to some parent virq in a loop. While that's benign, let's drop this code to simplify. Cc: Evan Green <evgreen@chromium.org> Cc: Thierry Reding <treding@nvidia.com> Cc: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-10-16pinctrl: geminilake: Sort register offsets by valueAndy Shevchenko
No functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-10-16pinctrl: geminilake: Get rid of unneeded ->probe() stubAndy Shevchenko
The local ->probe() stub does nothing except calling a generic Intel pin control probe function. Thus, it's not needed and generic function may be called directly. This patch converts the driver accordingly. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-10-16pinctrl: geminilake: Update pin list for B0 steppingAndy Shevchenko
According to an updated pin list few names of the pins can be spelled better, taking into account their primary functions. Thus, update a pin list to cover B0 stepping. Note, SPI numbering had been fixed even in A0 public documentation. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-10-16Merge branch 'net-Kernel-side-filtering-for-route-dumps'David S. Miller
David Ahern says: ==================== net: Kernel side filtering for route dumps Implement kernel side filtering of route dumps by protocol (e.g., which routing daemon installed the route), route type (e.g., unicast), table id and nexthop device. iproute2 has been doing this filtering in userspace for years; pushing the filters to the kernel side reduces the amount of data the kernel sends and reduces wasted cycles on both sides processing unwanted data. These initial options provide a huge improvement for efficiently examining routes on large scale systems. v2 - better handling of requests for a specific table. Rather than walking the hash of all tables, lookup the specific table and dump it - refactor mr_rtm_dumproute moving the loop over the table into a helper that can be invoked directly - add hook to return NLM_F_DUMP_FILTERED in DONE message to ensure it is returned even when the dump returns nothing ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-16net/ipv4: Bail early if user only wants prefix entriesDavid Ahern
Unlike IPv6, IPv4 does not have routes marked with RTF_PREFIX_RT. If the flag is set in the dump request, just return. In the process of this change, move the CLONE check to use the new filter flags. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-16net/ipv6: Bail early if user only wants cloned entriesDavid Ahern
Similar to IPv4, IPv6 fib no longer contains cloned routes. If a user requests a route dump for only cloned entries, no sense walking the FIB and returning everything. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-16net/mpls: Handle kernel side filtering of route dumpsDavid Ahern
Update the dump request parsing in MPLS for the non-INET case to enable kernel side filtering. If INET is disabled the only filters that make sense for MPLS are protocol and nexthop device. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-16net: Enable kernel side filtering of route dumpsDavid Ahern
Update parsing of route dump request to enable kernel side filtering. Allow filtering results by protocol (e.g., which routing daemon installed the route), route type (e.g., unicast), table id and nexthop device. These amount to the low hanging fruit, yet a huge improvement, for dumping routes. ip_valid_fib_dump_req is called with RTNL held, so __dev_get_by_index can be used to look up the device index without taking a reference. From there filter->dev is only used during dump loops with the lock still held. Set NLM_F_DUMP_FILTERED in the answer_flags so the user knows the results have been filtered should no entries be returned. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-16net: Plumb support for filtering ipv4 and ipv6 multicast route dumpsDavid Ahern
Implement kernel side filtering of routes by egress device index and table id. If the table id is given in the filter, lookup table and call mr_table_dump directly for it. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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