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2020-09-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski2-2/+4
We got slightly different patches removing a double word in a comment in net/ipv4/raw.c - picked the version from net. Simple conflict in drivers/net/ethernet/ibm/ibmvnic.c. Use cached values instead of VNIC login response buffer (following what commit 507ebe6444a4 ("ibmvnic: Fix use-after-free of VNIC login response buffer") did). Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-09-03kconfig: remove redundant assignment prompt = promptDenis Efremov1-1/+0
Semi-automatic removing of localization macros changed the line from "prompt = _(prompt);" to "prompt = prompt;". Drop the reduntand assignment. Fixes: 694c49a7c01c ("kconfig: drop localization support") Signed-off-by: Denis Efremov <efremov@linux.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-09-03kconfig: streamline_config.pl: check defined(ENV variable) before using itRandy Dunlap1-1/+4
A user reported: 'Use of uninitialized value $ENV{"LMC_KEEP"} in split at ./scripts/kconfig/streamline_config.pl line 596.' so first check that $ENV{LMC_KEEP} is defined before trying to use it. Fixes: c027b02d89fd ("streamline_config.pl: add LMC_KEEP to preserve some kconfigs") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-09-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextDavid S. Miller1-0/+2
Daniel Borkmann says: ==================== pull-request: bpf-next 2020-09-01 The following pull-request contains BPF updates for your *net-next* tree. There are two small conflicts when pulling, resolve as follows: 1) Merge conflict in tools/lib/bpf/libbpf.c between 88a82120282b ("libbpf: Factor out common ELF operations and improve logging") in bpf-next and 1e891e513e16 ("libbpf: Fix map index used in error message") in net-next. Resolve by taking the hunk in bpf-next: [...] scn = elf_sec_by_idx(obj, obj->efile.btf_maps_shndx); data = elf_sec_data(obj, scn); if (!scn || !data) { pr_warn("elf: failed to get %s map definitions for %s\n", MAPS_ELF_SEC, obj->path); return -EINVAL; } [...] 2) Merge conflict in drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c between 9647c57b11e5 ("xsk: i40e: ice: ixgbe: mlx5: Test for dma_need_sync earlier for better performance") in bpf-next and e20f0dbf204f ("net/mlx5e: RX, Add a prefetch command for small L1_CACHE_BYTES") in net-next. Resolve the two locations by retaining net_prefetch() and taking xsk_buff_dma_sync_for_cpu() from bpf-next. Should look like: [...] xdp_set_data_meta_invalid(xdp); xsk_buff_dma_sync_for_cpu(xdp, rq->xsk_pool); net_prefetch(xdp->data); [...] We've added 133 non-merge commits during the last 14 day(s) which contain a total of 246 files changed, 13832 insertions(+), 3105 deletions(-). The main changes are: 1) Initial support for sleepable BPF programs along with bpf_copy_from_user() helper for tracing to reliably access user memory, from Alexei Starovoitov. 2) Add BPF infra for writing and parsing TCP header options, from Martin KaFai Lau. 3) bpf_d_path() helper for returning full path for given 'struct path', from Jiri Olsa. 4) AF_XDP support for shared umems between devices and queues, from Magnus Karlsson. 5) Initial prep work for full BPF-to-BPF call support in libbpf, from Andrii Nakryiko. 6) Generalize bpf_sk_storage map & add local storage for inodes, from KP Singh. 7) Implement sockmap/hash updates from BPF context, from Lorenz Bauer. 8) BPF xor verification for scalar types & add BPF link iterator, from Yonghong Song. 9) Use target's prog type for BPF_PROG_TYPE_EXT prog verification, from Udip Pant. 10) Rework BPF tracing samples to use libbpf loader, from Daniel T. Lee. 11) Fix xdpsock sample to really cycle through all buffers, from Weqaar Janjua. 12) Improve type safety for tun/veth XDP frame handling, from Maciej Żenczykowski. 13) Various smaller cleanups and improvements all over the place. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-25bpf: Add d_path helperJiri Olsa1-0/+2
Adding d_path helper function that returns full path for given 'struct path' object, which needs to be the kernel BTF 'path' object. The path is returned in buffer provided 'buf' of size 'sz' and is zero terminated. bpf_d_path(&file->f_path, buf, size); The helper calls directly d_path function, so there's only limited set of function it can be called from. Adding just very modest set for the start. Updating also bpf.h tools uapi header and adding 'path' to bpf_helpers_doc.py script. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Acked-by: KP Singh <kpsingh@google.com> Link: https://lore.kernel.org/bpf/20200825192124.710397-11-jolsa@kernel.org
2020-08-21kconfig: qconf: replace deprecated QString::sprintf() with QTextStreamMasahiro Yamada1-54/+62
QString::sprintf() is deprecated in the latest Qt version, and spawns a lot of warnings: HOSTCXX scripts/kconfig/qconf.o scripts/kconfig/qconf.cc: In member function ‘void ConfigInfoView::menuInfo()’: scripts/kconfig/qconf.cc:1090:61: warning: ‘QString& QString::sprintf(const char*, ...)’ is deprecated: Use asprintf(), arg() or QTextStream instead [-Wdeprecated-declarations] 1090 | head += QString().sprintf("<a href=\"s%s\">", sym->name); | ^ In file included from /usr/include/qt5/QtGui/qkeysequence.h:44, from /usr/include/qt5/QtWidgets/qaction.h:44, from /usr/include/qt5/QtWidgets/QAction:1, from scripts/kconfig/qconf.cc:7: /usr/include/qt5/QtCore/qstring.h:382:14: note: declared here 382 | QString &sprintf(const char *format, ...) Q_ATTRIBUTE_FORMAT_PRINTF(2, 3); | ^~~~~~~ scripts/kconfig/qconf.cc:1099:60: warning: ‘QString& QString::sprintf(const char*, ...)’ is deprecated: Use asprintf(), arg() or QTextStream instead [-Wdeprecated-declarations] 1099 | head += QString().sprintf("<a href=\"s%s\">", sym->name); | ^ In file included from /usr/include/qt5/QtGui/qkeysequence.h:44, from /usr/include/qt5/QtWidgets/qaction.h:44, from /usr/include/qt5/QtWidgets/QAction:1, from scripts/kconfig/qconf.cc:7: /usr/include/qt5/QtCore/qstring.h:382:14: note: declared here 382 | QString &sprintf(const char *format, ...) Q_ATTRIBUTE_FORMAT_PRINTF(2, 3); | ^~~~~~~ scripts/kconfig/qconf.cc:1127:90: warning: ‘QString& QString::sprintf(const char*, ...)’ is deprecated: Use asprintf(), arg() or QTextStream instead [-Wdeprecated-declarations] 1127 | debug += QString().sprintf("defined at %s:%d<br><br>", _menu->file->name, _menu->lineno); | ^ In file included from /usr/include/qt5/QtGui/qkeysequence.h:44, from /usr/include/qt5/QtWidgets/qaction.h:44, from /usr/include/qt5/QtWidgets/QAction:1, from scripts/kconfig/qconf.cc:7: /usr/include/qt5/QtCore/qstring.h:382:14: note: declared here 382 | QString &sprintf(const char *format, ...) Q_ATTRIBUTE_FORMAT_PRINTF(2, 3); | ^~~~~~~ scripts/kconfig/qconf.cc: In member function ‘QString ConfigInfoView::debug_info(symbol*)’: scripts/kconfig/qconf.cc:1150:68: warning: ‘QString& QString::sprintf(const char*, ...)’ is deprecated: Use asprintf(), arg() or QTextStream instead [-Wdeprecated-declarations] 1150 | debug += QString().sprintf("prompt: <a href=\"m%s\">", sym->name); | ^ In file included from /usr/include/qt5/QtGui/qkeysequence.h:44, from /usr/include/qt5/QtWidgets/qaction.h:44, from /usr/include/qt5/QtWidgets/QAction:1, from scripts/kconfig/qconf.cc:7: /usr/include/qt5/QtCore/qstring.h:382:14: note: declared here 382 | QString &sprintf(const char *format, ...) Q_ATTRIBUTE_FORMAT_PRINTF(2, 3); | ^~~~~~~ scripts/kconfig/qconf.cc: In static member function ‘static void ConfigInfoView::expr_print_help(void*, symbol*, const char*)’: scripts/kconfig/qconf.cc:1225:59: warning: ‘QString& QString::sprintf(const char*, ...)’ is deprecated: Use asprintf(), arg() or QTextStream instead [-Wdeprecated-declarations] 1225 | *text += QString().sprintf("<a href=\"s%s\">", sym->name); | ^ In file included from /usr/include/qt5/QtGui/qkeysequence.h:44, from /usr/include/qt5/QtWidgets/qaction.h:44, from /usr/include/qt5/QtWidgets/QAction:1, from scripts/kconfig/qconf.cc:7: /usr/include/qt5/QtCore/qstring.h:382:14: note: declared here 382 | QString &sprintf(const char *format, ...) Q_ATTRIBUTE_FORMAT_PRINTF(2, 3); | ^~~~~~~ The documentation also says: "Warning: We do not recommend using QString::asprintf() in new Qt code. Instead, consider using QTextStream or arg(), both of which support Unicode strings seamlessly and are type-safe." Use QTextStream as suggested. Reported-by: Robert Crawford <flacycads@cox.net> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-21kconfig: qconf: remove redundant help in the info viewMasahiro Yamada1-6/+1
The same information is repeated in the info view. Remove the second one. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-21kconfig: qconf: remove qInfo() to get back Qt4 supportMasahiro Yamada1-2/+0
qconf is supposed to work with Qt4 and Qt5, but since commit c4f7398bee9c ("kconfig: qconf: make debug links work again"), building with Qt4 fails as follows: HOSTCXX scripts/kconfig/qconf.o scripts/kconfig/qconf.cc: In member function ‘void ConfigInfoView::clicked(const QUrl&)’: scripts/kconfig/qconf.cc:1241:3: error: ‘qInfo’ was not declared in this scope; did you mean ‘setInfo’? 1241 | qInfo() << "Clicked link is empty"; | ^~~~~ | setInfo scripts/kconfig/qconf.cc:1254:3: error: ‘qInfo’ was not declared in this scope; did you mean ‘setInfo’? 1254 | qInfo() << "Clicked symbol is invalid:" << data; | ^~~~~ | setInfo make[1]: *** [scripts/Makefile.host:129: scripts/kconfig/qconf.o] Error 1 make: *** [Makefile:606: xconfig] Error 2 qInfo() does not exist in Qt4. In my understanding, these call-sites should be unreachable. Perhaps, qWarning(), assertion, or something is better, but qInfo() is not the right one to use here, I think. Fixes: c4f7398bee9c ("kconfig: qconf: make debug links work again") Reported-by: Ronald Warsow <rwarsow@gmx.de> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-18kconfig: qconf: remove unused colNrMasahiro Yamada1-1/+1
This is not used at all. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-18kconfig: qconf: fix the popup menu in the ConfigInfoView windowMasahiro Yamada2-18/+15
I do not know when ConfigInfoView::createStandardContextMenu() is called. Because QTextEdit::createStandardContextMenu() is not virtual, ConfigInfoView::createStandardContextMenu() cannot override it. Even if right-click the ConfigInfoView window, the "Show Debug Info" menu does not show up. Build up the menu in the constructor, and invoke it from the contextMenuEvent(). Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-18kconfig: qconf: fix signal connection to invalid slotsMasahiro Yamada1-4/+4
If you right-click in the ConfigList window, you will see the following messages in the console: QObject::connect: No such slot QAction::setOn(bool) in scripts/kconfig/qconf.cc:888 QObject::connect: (sender name: 'config') QObject::connect: No such slot QAction::setOn(bool) in scripts/kconfig/qconf.cc:897 QObject::connect: (sender name: 'config') QObject::connect: No such slot QAction::setOn(bool) in scripts/kconfig/qconf.cc:906 QObject::connect: (sender name: 'config') Right, there is no such slot in QAction. I think this is a typo of setChecked. Due to this bug, when you toggled the menu "Option->Show Name/Range/Data" the state of the context menu was not previously updated. Fix this. Fixes: d5d973c3f8a9 ("Port xconfig to Qt5 - Put back some of the old implementation(part 2)") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-18genksyms: keywords: Use __restrict not _restrictJoe Perches1-2/+2
Use the proper form of the RESTRICT keyword. Quote the comments properly too. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-18extract-cert: add static to local dataMasahiro Yamada1-1/+1
Fix the following warning from sparse: scripts/extract-cert.c:74:5: warning: symbol 'kbuild_verbose' was not declared. Should it be static? Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-18Makefile.extrawarn: Move sign-compare from W=2 to W=3Joe Perches1-1/+1
This -Wsign-compare compiler warning can be very noisy and most of the suggested conversions are unnecessary. Make the warning W=3 so it's described under the "can most likely be ignored" block. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14Merge tag 'kconfig-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuildLinus Torvalds8-243/+218
Pull Kconfig updates from Masahiro Yamada: - remove '---help---' keyword support - fix mouse events for 'menuconfig' symbols in search view of qconf - code cleanups of qconf * tag 'kconfig-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (24 commits) kconfig: qconf: move setOptionMode() to ConfigList from ConfigView kconfig: qconf: do not limit the pop-up menu to the first row kconfig: qconf: refactor icon setups kconfig: qconf: remove unused voidPix, menuInvPix kconfig: qconf: remove ConfigItem::text/setText kconfig: qconf: remove ConfigList::addColumn/removeColumn kconfig: qconf: remove ConfigItem::pixmap/setPixmap kconfig: qconf: drop more localization code kconfig: qconf: remove 'parent' from ConfigList::updateMenuList() kconfig: qconf: remove unused argument from ConfigView::updateList() kconfig: qconf: remove unused argument from ConfigList::updateList() kconfig: qconf: omit parent to QHBoxLayout() kconfig: qconf: remove name from ConfigSearchWindow constructor kconfig: qconf: remove unused ConfigList::listView() kconfig: qconf: overload addToolBar() to create and insert toolbar kconfig: qconf: remove toolBar from ConfigMainWindow members kconfig: qconf: use 'menu' variable for (QMenu *) kconfig: qconf: do not use 'menu' variable for (QMenuBar *) kconfig: qconf: remove ->addSeparator() to menuBar kconfig: add 'static' to some file-local data ...
2020-08-14kconfig: qconf: move setOptionMode() to ConfigList from ConfigViewMasahiro Yamada2-28/+27
ConfigView::setOptionMode() only gets access to the 'list' member. Move it to the more relevant ConfigList class. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: do not limit the pop-up menu to the first rowMasahiro Yamada1-34/+34
If you right-click the first row in the option tree, the pop-up menu shows up, but if you right-click the second row or below, the event is ignored due to the following check: if (e->y() <= header()->geometry().bottom()) { Perhaps, the intention was to show the pop-menu only when the tree header was right-clicked, but this handler is not called in that case. Since the origin of e->y() starts from the bottom of the header, this check is odd. Going forward, you can right-click anywhere in the tree to get the pop-up menu. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: refactor icon setupsMasahiro Yamada2-14/+27
These icon data are used by ConfigItem, but stored in each instance of ConfigView. There is no point to keep the same data in each of 3 instances, "menu", "config", and "search". Move the icon data to the more relevant ConfigItem class, and make them static members. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove unused voidPix, menuInvPixMasahiro Yamada2-2/+2
These are initialized, but not used by anyone. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove ConfigItem::text/setTextMasahiro Yamada1-8/+0
Use QTreeWidgetItem::text/setText directly Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove ConfigList::addColumn/removeColumnMasahiro Yamada2-19/+11
Use QTreeView::showColumn/hideColumn directly. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove ConfigItem::pixmap/setPixmapMasahiro Yamada2-19/+11
Use QTreeWidgetItem::icon/setIcon directly. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: drop more localization codeMasahiro Yamada1-8/+3
This is a remnant of commit 694c49a7c01c ("kconfig: drop localization support"). Get it back to the code prior to commit 3b9fa0931dd8 ("[PATCH] Kconfig i18n support"). Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove 'parent' from ConfigList::updateMenuList()Masahiro Yamada2-10/+10
All the call-sites of this function pass 'this' to the first argument. So, 'parent' is always the 'this' pointer. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove unused argument from ConfigView::updateList()Masahiro Yamada2-5/+5
Now that ConfigList::updateList() takes no argument, the 'item' argument ConfigView::updateList() is no longer used. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove unused argument from ConfigList::updateList()Masahiro Yamada2-5/+5
This function allocates 'item' before using it, so the argument 'item' is always shadowed. Remove the meaningless argument. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: omit parent to QHBoxLayout()Masahiro Yamada1-1/+2
Instead of passing 0 (i.e. nullptr), leave it empty. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove name from ConfigSearchWindow constructorMasahiro Yamada2-24/+22
This constructor is only called with "search" as the second argument. Hard-code the name in the constructor, and drop it from the function argument. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove unused ConfigList::listView()Masahiro Yamada1-4/+0
I do not know how this function can be useful. In fact, it is unsed. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: overload addToolBar() to create and insert toolbarMasahiro Yamada1-3/+1
Use the overloaded function, addToolBar(const QString &title) to create a QToolBar object, setting its window title, and inserts it into the toolbar area. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove toolBar from ConfigMainWindow membersMasahiro Yamada2-2/+1
This pointer is only used in the ConfigMainWindow constructor. Drop it from the private members. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: use 'menu' variable for (QMenu *)Masahiro Yamada1-21/+20
The variable 'config' for the file menu is inconsistent. You do not need to use different variables. Use 'menu' for every menu. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: do not use 'menu' variable for (QMenuBar *)Masahiro Yamada1-6/+5
I think it is a bit confusing to use 'menu' to hold a QMenuBar pointer. I want to use 'menu' for a QMenu pointer. You do not need to use a local variable here. Use menuBar() directly. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove ->addSeparator() to menuBarMasahiro Yamada1-1/+0
I do not understand the purpose of this ->addSeparator(). It does not make any difference. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: add 'static' to some file-local dataMasahiro Yamada2-5/+11
Fix some warnings from sparce like follows: warning: symbol '...' was not declared. Should it be static? Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: Fix mouse events in search viewMaxime Chretien1-2/+3
On menu properties mouse events didn't do anything in search view (listMode). As there are no menus in listMode we can add an exception in tests to always change the value on mouse events if we are in listMode. Signed-off-by: Maxime Chretien <maxime.chretien@bootlin.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: constify XPM dataMasahiro Yamada2-30/+30
Constify arrays as well as strings. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14Revert "checkpatch: kconfig: prefer 'help' over '---help---'"Masahiro Yamada1-5/+1
This reverts commit 84af7a6194e493fae312a2b7fa5a3b51f76d9282. The conversion is done. Cc: Ulf Magnusson <ulfalizer@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: remove '---help---' supportMasahiro Yamada2-2/+2
The conversion is done. No more user of '---help---'. Cc: Ulf Magnusson <ulfalizer@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-12Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds1-0/+1
Pull more KVM updates from Paolo Bonzini: "PPC: - Improvements and bugfixes for secure VM support, giving reduced startup time and memory hotplug support. - Locking fixes in nested KVM code - Increase number of guests supported by HV KVM to 4094 - Preliminary POWER10 support ARM: - Split the VHE and nVHE hypervisor code bases, build the EL2 code separately, allowing for the VHE code to now be built with instrumentation - Level-based TLB invalidation support - Restructure of the vcpu register storage to accomodate the NV code - Pointer Authentication available for guests on nVHE hosts - Simplification of the system register table parsing - MMU cleanups and fixes - A number of post-32bit cleanups and other fixes MIPS: - compilation fixes x86: - bugfixes - support for the SERIALIZE instruction" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (70 commits) KVM: MIPS/VZ: Fix build error caused by 'kvm_run' cleanup x86/kvm/hyper-v: Synic default SCONTROL MSR needs to be enabled MIPS: KVM: Convert a fallthrough comment to fallthrough MIPS: VZ: Only include loongson_regs.h for CPU_LOONGSON64 x86: Expose SERIALIZE for supported cpuid KVM: x86: Don't attempt to load PDPTRs when 64-bit mode is enabled KVM: arm64: Move S1PTW S2 fault logic out of io_mem_abort() KVM: arm64: Don't skip cache maintenance for read-only memslots KVM: arm64: Handle data and instruction external aborts the same way KVM: arm64: Rename kvm_vcpu_dabt_isextabt() KVM: arm: Add trace name for ARM_NISV KVM: arm64: Ensure that all nVHE hyp code is in .hyp.text KVM: arm64: Substitute RANDOMIZE_BASE for HARDEN_EL2_VECTORS KVM: arm64: Make nVHE ASLR conditional on RANDOMIZE_BASE KVM: PPC: Book3S HV: Rework secure mem slot dropping KVM: PPC: Book3S HV: Move kvmppc_svm_page_out up KVM: PPC: Book3S HV: Migrate hot plugged memory KVM: PPC: Book3S HV: In H_SVM_INIT_DONE, migrate remaining normal-GFNs to secure-GFNs KVM: PPC: Book3S HV: Track the state GFNs associated with secure VMs KVM: PPC: Book3S HV: Disable page merging in H_SVM_INIT_START ...
2020-08-12Merge branch 'akpm' (patches from Andrew)Linus Torvalds2-38/+82
Merge more updates from Andrew Morton: - most of the rest of MM (memcg, hugetlb, vmscan, proc, compaction, mempolicy, oom-kill, hugetlbfs, migration, thp, cma, util, memory-hotplug, cleanups, uaccess, migration, gup, pagemap), - various other subsystems (alpha, misc, sparse, bitmap, lib, bitops, checkpatch, autofs, minix, nilfs, ufs, fat, signals, kmod, coredump, exec, kdump, rapidio, panic, kcov, kgdb, ipc). * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (164 commits) mm/gup: remove task_struct pointer for all gup code mm: clean up the last pieces of page fault accountings mm/xtensa: use general page fault accounting mm/x86: use general page fault accounting mm/sparc64: use general page fault accounting mm/sparc32: use general page fault accounting mm/sh: use general page fault accounting mm/s390: use general page fault accounting mm/riscv: use general page fault accounting mm/powerpc: use general page fault accounting mm/parisc: use general page fault accounting mm/openrisc: use general page fault accounting mm/nios2: use general page fault accounting mm/nds32: use general page fault accounting mm/mips: use general page fault accounting mm/microblaze: use general page fault accounting mm/m68k: use general page fault accounting mm/ia64: use general page fault accounting mm/hexagon: use general page fault accounting mm/csky: use general page fault accounting ...
2020-08-12scripts/gdb: fix python 3.8 SyntaxWarningNick Desaulniers1-2/+2
Fixes the observed warnings: scripts/gdb/linux/rbtree.py:20: SyntaxWarning: "is" with a literal. Did you mean "=="? if node is 0: scripts/gdb/linux/rbtree.py:36: SyntaxWarning: "is" with a literal. Did you mean "=="? if node is 0: It looks like this is a new warning added in Python 3.8. I've only seen this once after adding the add-auto-load-safe-path rule to my ~/.gdbinit for a new tree. Fixes: commit 449ca0c95ea2 ("scripts/gdb: add rb tree iterating utilities") Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Aymeric Agon-Rambosson <aymeric.agon@yandex.com> Link: http://lkml.kernel.org/r/20200805225015.2847624-1-ndesaulniers@google.com Link: https://adamj.eu/tech/2020/01/21/why-does-python-3-8-syntaxwarning-for-is-literal/ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-12checkpatch: remove missing switch/case break testJoe Perches1-25/+0
This test doesn't work well and newer compilers are much better at emitting this warning. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Cambda Zhu <cambda@linux.alibaba.com> Link: http://lkml.kernel.org/r/7e25090c79f6a69d502ab8219863300790192fe2.camel@perches.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-12checkpatch: add test for repeated wordsJoe Perches1-0/+38
Try to avoid adding repeated words either on the same line or consecutive comment lines in a block e.g.: duplicated word in comment block /* * this is a comment block where the last word of the previous * previous line is also the first word of the next line */ and simple duplication /* test this this again */ Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/cda9b566ad67976e1acd62b053de50ee44a57250.camel@perches.com Inspired-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-12checkpatch: fix CONST_STRUCT when const_structs.checkpatch is missingQuentin Monnet1-9/+12
Checkpatch reports warnings when some specific structs are not declared as const in the code. The list of structs to consider was initially defined in the checkpatch.pl script itself, but it was later moved to an external file (scripts/const_structs.checkpatch), in commit bf1fa1dae68e ("checkpatch: externalize the structs that should be const"). This introduced two minor issues: - When file scripts/const_structs.checkpatch is not present (for example, if checkpatch is run outside of the kernel directory with the "--no-tree" option), a warning is printed to stderr to tell the user that "No structs that should be const will be found". This is fair, but the warning is printed unconditionally, even if the option "--ignore CONST_STRUCT" is passed. In the latter case, we explicitly ask checkpatch to skip this check, so no warning should be printed. - When scripts/const_structs.checkpatch is missing, or even when trying to silence the warning by adding an empty file, $const_structs is set to "", and the regex used for finding structs that should be const, "$line =~ /struct\s+($const_structs)(?!\s*\{)/)", matches all structs found in the code, thus reporting a number of false positives. Let's fix the first item by skipping scripts/const_structs.checkpatch processing if "CONST_STRUCT" checks are ignored, and the second one by skipping the test if $const_structs is not defined. Since we modify the read_words() function a little bit, update the checks for $typedefsfile/$typeOtherTypedefs as well. Signed-off-by: Quentin Monnet <quentin@isovalent.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Joe Perches <joe@perches.com> Link: http://lkml.kernel.org/r/20200623221822.3727-1-quentin@isovalent.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-12checkpatch: add --fix option for ASSIGN_IN_IFJoe Perches1-2/+24
Add a --fix option for 2 types of single-line assignment in if statements if ((foo = bar(...)) < BAZ) { expands to: foo = bar(..); if (foo < BAZ) { and if ((foo = bar(...)) { expands to: foo = bar(...); if (foo) { if statements with assignments spanning multiple lines are not converted with the --fix option. if statements with additional logic are also not converted. e.g.: if ((foo = bar(...)) & BAZ == BAZ) { Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Julia Lawall <julia.lawall@lip6.fr> Link: http://lkml.kernel.org/r/9bc7c782516f37948f202deba511bc95ed279bbd.camel@perches.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-12checkpatch: add test for possible misuse of IS_ENABLED() without CONFIG_Joe Perches1-0/+6
IS_ENABLED is almost always used with CONFIG_<FOO> defines. Add a test to verify that the #define being tested starts with CONFIG_. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Kees Cook <keescook@chromium.org> Link: http://lkml.kernel.org/r/e7fda760b91b769ba82844ba282d432c0d26d709.camel@perches.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-11Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds1-0/+2
Pull arm64 fix from Catalin Marinas: "Fix recordmcount build failure on non-arm64 (caused by an arm64 patch)" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: recordmcount: Fix build failure on non arm64
2020-08-10recordmcount: Fix build failure on non arm64Christophe Leroy1-0/+2
Commit ea0eada45632 leads to the following build failure on powerpc: HOSTCC scripts/recordmcount scripts/recordmcount.c: In function 'arm64_is_fake_mcount': scripts/recordmcount.c:440: error: 'R_AARCH64_CALL26' undeclared (first use in this function) scripts/recordmcount.c:440: error: (Each undeclared identifier is reported only once scripts/recordmcount.c:440: error: for each function it appears in.) make[2]: *** [scripts/recordmcount] Error 1 Make sure R_AARCH64_CALL26 is always defined. Fixes: ea0eada45632 ("recordmcount: only record relocation of type R_AARCH64_CALL26 on arm64.") Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Acked-by: Gregory Herrero <gregory.herrero@oracle.com> Cc: Gregory Herrero <gregory.herrero@oracle.com> Link: https://lore.kernel.org/r/5ca1be21fa6ebf73203b45fd9aadd2bafb5e6b15.1597049145.git.christophe.leroy@csgroup.eu Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2020-08-09Merge tag 'kbuild-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuildLinus Torvalds20-108/+130
Pull Kbuild updates from Masahiro Yamada: - run the checker (e.g. sparse) after the compiler - remove unneeded cc-option tests for old compiler flags - fix tar-pkg to install dtbs - introduce ccflags-remove-y and asflags-remove-y syntax - allow to trace functions in sub-directories of lib/ - introduce hostprogs-always-y and userprogs-always-y syntax - various Makefile cleanups * tag 'kbuild-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: stop filtering out $(GCC_PLUGINS_CFLAGS) from cc-option base kbuild: include scripts/Makefile.* only when relevant CONFIG is enabled kbuild: introduce hostprogs-always-y and userprogs-always-y kbuild: sort hostprogs before passing it to ifneq kbuild: move host .so build rules to scripts/gcc-plugins/Makefile kbuild: Replace HTTP links with HTTPS ones kbuild: trace functions in subdirectories of lib/ kbuild: introduce ccflags-remove-y and asflags-remove-y kbuild: do not export LDFLAGS_vmlinux kbuild: always create directories of targets powerpc/boot: add DTB to 'targets' kbuild: buildtar: add dtbs support kbuild: remove cc-option test of -ffreestanding kbuild: remove cc-option test of -fno-stack-protector Revert "kbuild: Create directory for target DTB" kbuild: run the checker after the compiler
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