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2022-10-11Merge tag 'mm-stable-2022-10-08' of ↵Linus Torvalds4-4/+2
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: - Yu Zhao's Multi-Gen LRU patches are here. They've been under test in linux-next for a couple of months without, to my knowledge, any negative reports (or any positive ones, come to that). - Also the Maple Tree from Liam Howlett. An overlapping range-based tree for vmas. It it apparently slightly more efficient in its own right, but is mainly targeted at enabling work to reduce mmap_lock contention. Liam has identified a number of other tree users in the kernel which could be beneficially onverted to mapletrees. Yu Zhao has identified a hard-to-hit but "easy to fix" lockdep splat at [1]. This has yet to be addressed due to Liam's unfortunately timed vacation. He is now back and we'll get this fixed up. - Dmitry Vyukov introduces KMSAN: the Kernel Memory Sanitizer. It uses clang-generated instrumentation to detect used-unintialized bugs down to the single bit level. KMSAN keeps finding bugs. New ones, as well as the legacy ones. - Yang Shi adds a userspace mechanism (madvise) to induce a collapse of memory into THPs. - Zach O'Keefe has expanded Yang Shi's madvise(MADV_COLLAPSE) to support file/shmem-backed pages. - userfaultfd updates from Axel Rasmussen - zsmalloc cleanups from Alexey Romanov - cleanups from Miaohe Lin: vmscan, hugetlb_cgroup, hugetlb and memory-failure - Huang Ying adds enhancements to NUMA balancing memory tiering mode's page promotion, with a new way of detecting hot pages. - memcg updates from Shakeel Butt: charging optimizations and reduced memory consumption. - memcg cleanups from Kairui Song. - memcg fixes and cleanups from Johannes Weiner. - Vishal Moola provides more folio conversions - Zhang Yi removed ll_rw_block() :( - migration enhancements from Peter Xu - migration error-path bugfixes from Huang Ying - Aneesh Kumar added ability for a device driver to alter the memory tiering promotion paths. For optimizations by PMEM drivers, DRM drivers, etc. - vma merging improvements from Jakub Matěn. - NUMA hinting cleanups from David Hildenbrand. - xu xin added aditional userspace visibility into KSM merging activity. - THP & KSM code consolidation from Qi Zheng. - more folio work from Matthew Wilcox. - KASAN updates from Andrey Konovalov. - DAMON cleanups from Kaixu Xia. - DAMON work from SeongJae Park: fixes, cleanups. - hugetlb sysfs cleanups from Muchun Song. - Mike Kravetz fixes locking issues in hugetlbfs and in hugetlb core. Link: https://lkml.kernel.org/r/CAOUHufZabH85CeUN-MEMgL8gJGzJEWUrkiM58JkTbBhh-jew0Q@mail.gmail.com [1] * tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (555 commits) hugetlb: allocate vma lock for all sharable vmas hugetlb: take hugetlb vma_lock when clearing vma_lock->vma pointer hugetlb: fix vma lock handling during split vma and range unmapping mglru: mm/vmscan.c: fix imprecise comments mm/mglru: don't sync disk for each aging cycle mm: memcontrol: drop dead CONFIG_MEMCG_SWAP config symbol mm: memcontrol: use do_memsw_account() in a few more places mm: memcontrol: deprecate swapaccounting=0 mode mm: memcontrol: don't allocate cgroup swap arrays when memcg is disabled mm/secretmem: remove reduntant return value mm/hugetlb: add available_huge_pages() func mm: remove unused inline functions from include/linux/mm_inline.h selftests/vm: add selftest for MADV_COLLAPSE of uffd-minor memory selftests/vm: add file/shmem MADV_COLLAPSE selftest for cleared pmd selftests/vm: add thp collapse shmem testing selftests/vm: add thp collapse file and tmpfs testing selftests/vm: modularize thp collapse memory operations selftests/vm: dedup THP helpers mm/khugepaged: add tracepoint to hpage_collapse_scan_file() mm/madvise: add file and shmem support to MADV_COLLAPSE ...
2022-10-10Merge tag 'powerpc-6.1-1' of ↵Linus Torvalds18-33/+14
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: - Remove our now never-true definitions for pgd_huge() and p4d_leaf(). - Add pte_needs_flush() and huge_pmd_needs_flush() for 64-bit. - Add support for syscall wrappers. - Add support for KFENCE on 64-bit. - Update 64-bit HV KVM to use the new guest state entry/exit accounting API. - Support execute-only memory when using the Radix MMU (P9 or later). - Implement CONFIG_PARAVIRT_TIME_ACCOUNTING for pseries guests. - Updates to our linker script to move more data into read-only sections. - Allow the VDSO to be randomised on 32-bit. - Many other small features and fixes. Thanks to Andrew Donnellan, Aneesh Kumar K.V, Arnd Bergmann, Athira Rajeev, Christophe Leroy, David Hildenbrand, Disha Goel, Fabiano Rosas, Gaosheng Cui, Gustavo A. R. Silva, Haren Myneni, Hari Bathini, Jilin Yuan, Joel Stanley, Kajol Jain, Kees Cook, Krzysztof Kozlowski, Laurent Dufour, Liang He, Li Huafei, Lukas Bulwahn, Madhavan Srinivasan, Nathan Chancellor, Nathan Lynch, Nicholas Miehlbradt, Nicholas Piggin, Pali Rohár, Rohan McLure, Russell Currey, Sachin Sant, Segher Boessenkool, Shrikanth Hegde, Tyrel Datwyler, Wolfram Sang, ye xingchen, and Zheng Yongjun. * tag 'powerpc-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (214 commits) KVM: PPC: Book3S HV: Fix stack frame regs marker powerpc: Don't add __powerpc_ prefix to syscall entry points powerpc/64s/interrupt: Fix stack frame regs marker powerpc/64: Fix msr_check_and_set/clear MSR[EE] race powerpc/64s/interrupt: Change must-hard-mask interrupt check from BUG to WARN powerpc/pseries: Add firmware details to the hardware description powerpc/powernv: Add opal details to the hardware description powerpc: Add device-tree model to the hardware description powerpc/64: Add logical PVR to the hardware description powerpc: Add PVR & CPU name to hardware description powerpc: Add hardware description string powerpc/configs: Enable PPC_UV in powernv_defconfig powerpc/configs: Update config files for removed/renamed symbols powerpc/mm: Fix UBSAN warning reported on hugetlb powerpc/mm: Always update max/min_low_pfn in mem_topology_setup() powerpc/mm/book3s/hash: Rename flush_tlb_pmd_range powerpc: Drops STABS_DEBUG from linker scripts powerpc/64s: Remove lost/old comment powerpc/64s: Remove old STAB comment powerpc: remove orphan systbl_chk.sh ...
2022-10-04mm: memcontrol: drop dead CONFIG_MEMCG_SWAP config symbolJohannes Weiner2-2/+0
Since 2d1c498072de ("mm: memcontrol: make swap tracking an integral part of memory control"), CONFIG_MEMCG_SWAP hasn't been a user-visible config option anymore, it just means CONFIG_MEMCG && CONFIG_SWAP. Update the sites accordingly and drop the symbol. [ While touching the docs, remove two references to CONFIG_MEMCG_KMEM, which hasn't been a user-visible symbol for over half a decade. ] Link: https://lkml.kernel.org/r/20220926135704.400818-5-hannes@cmpxchg.org Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Shakeel Butt <shakeelb@google.com> Cc: Hugh Dickins <hughd@google.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Roman Gushchin <roman.gushchin@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-30powerpc/configs: Enable PPC_UV in powernv_defconfigMichael Ellerman1-0/+3
Make sure the ultravisor code at least gets some build testing by enabling it in powernv_defconfig. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220929051517.1903079-1-mpe@ellerman.id.au
2022-09-30powerpc/configs: Update config files for removed/renamed symbolsLukas Bulwahn17-33/+1
Clean up config files by: - removing configs that were deleted in the past - removing configs not in tree and without recently pending patches - adding new configs that are replacements for old configs in the file For some detailed information, see: https://lore.kernel.org/kernel-janitors/20220929090645.1389-1-lukas.bulwahn@gmail.com/ Renamed: - CONFIG_PPC_PTDUMP -> CONFIG_GENERIC_PTDUMP e084728393a5 ("powerpc/ptdump: Convert powerpc to GENERIC_PTDUMP") Removed: - CONFIG_BLK_DEV_CRYPTOLOOP 47e9624616c8 ("block: remove support for cryptoloop and the xor transfer") - CONFIG_CRYPTO_RMD128 b21b9a5e0aef ("crypto: rmd128 - remove RIPE-MD 128 hash algorithm") - CONFIG_CRYPTO_RMD256 c15d4167f0b0 ("crypto: rmd256 - remove RIPE-MD 256 hash algorithm") - CONFIG_CRYPTO_RMD320 93f64202926f ("crypto: rmd320 - remove RIPE-MD 320 hash algorithm") - CONFIG_CRYPTO_SALSA20 663f63ee6d9c ("crypto: salsa20 - remove Salsa20 stream cipher algorithm") - CONFIG_CRYPTO_TGR192 87cd723f8978 ("crypto: tgr192 - remove Tiger 128/160/192 hash algorithms") - CONFIG_HARDENED_USERCOPY_PAGESPAN 1109a5d90701 ("usercopy: Remove HARDENED_USERCOPY_PAGESPAN") - CONFIG_RAPIDIO_TSI568, CONFIG_RAPIDIO_TSI57X 612d4904191f ("rapidio: remove not used code about RIO_VID_TUNDRA") - CONFIG_RAW_DRIVER 603e4922f1c8 ("remove the raw driver") - CONFIG_ROCKETPORT 3b00b6af7a5b ("tty: rocket, remove the driver") - CONFIG_ENABLE_MUST_CHECK 196793946264 ("Compiler Attributes: remove CONFIG_ENABLE_MUST_CHECK") Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> [mpe: Add documentation of relevant commit for each symbol change] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220929101502.32527-1-lukas.bulwahn@gmail.com
2022-09-12arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDERZi Yan2-2/+2
This Kconfig option is used by individual arch to set its desired MAX_ORDER. Rename it to reflect its actual use. Link: https://lkml.kernel.org/r/20220815143959.1511278-1-zi.yan@sent.com Acked-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Zi Yan <ziy@nvidia.com> Acked-by: Guo Ren <guoren@kernel.org> [csky] Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64] Acked-by: Huacai Chen <chenhuacai@kernel.org> [LoongArch] Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc] Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Taichi Sugaya <sugaya.taichi@socionext.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Qin Jian <qinjian@cqplus1.com> Cc: Guo Ren <guoren@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Zankel <chris@zankel.net> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-05powerpc/64: Remove PPC64 special case for cputime accounting defaultNicholas Piggin2-0/+4
Distro kernels tend to be moving to VIRT_CPU_ACCOUNTING_GEN, and there is not much reason why PPC64 should be special here. Remove the special case and make the ppc64 and pseries defconfigs use GEN accounting (others will use TICK, as-per Kconfig defaults). VIRT_CPU_ACCOUNTING_NATIVE does provide scaled vtime and stolen time apportioned between system and user time, and vtime accounting is not unconditionally enabled, and possibly other things. But it would be better at this point to extend GEN to cover important missing features rather than directing users back to a less used option. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220902085316.2071519-4-npiggin@gmail.com
2022-09-04powerpc/configs: Properly enable PAPR_SCM in pseries_defconfigMichael Ellerman1-0/+1
My commit to add PAPR_SCM to pseries_defconfig failed to add the required dependencies, meaning the driver doesn't get built. Add the required LIBNVDIMM=m. Fixes: d6481a7195df ("powerpc/configs: Add PAPR_SCM to pseries_defconfig") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220901014253.252927-1-mpe@ellerman.id.au
2022-08-26powerpc/microwatt: Add LiteX MMC driverJoel Stanley1-0/+5
Enable the LiteX MMC device and it's dependency the common clock framework. Signed-off-by: Joel Stanley <joel@jms.id.au> Acked-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220804015708.5928-1-joel@jms.id.au
2022-08-22Remove DECnet support from kernelStephen Hemminger1-2/+0
DECnet is an obsolete network protocol that receives more attention from kernel janitors than users. It belongs in computer protocol history museum not in Linux kernel. It has been "Orphaned" in kernel since 2010. The iproute2 support for DECnet was dropped in 5.0 release. The documentation link on Sourceforge says it is abandoned there as well. Leave the UAPI alone to keep userspace programs compiling. This means that there is still an empty neighbour table for AF_DECNET. The table of /proc/sys/net entries was updated to match current directories and reformatted to be alphabetical. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Acked-by: David Ahern <dsahern@kernel.org> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-06-29powerpc: Restore CONFIG_DEBUG_INFO in defconfigsChristophe Leroy20-20/+20
Commit f9b3cd245784 ("Kconfig.debug: make DEBUG_INFO selectable from a choice") broke the selection of CONFIG_DEBUG_INFO by powerpc defconfigs. It is now necessary to select one of the three DEBUG_INFO_DWARF* options to get DEBUG_INFO enabled. Replace DEBUG_INFO=y by DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y in all defconfigs using the following command: sed -i s/DEBUG_INFO=y/DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y/g `git grep -l DEBUG_INFO arch/powerpc/configs/` Fixes: f9b3cd245784 ("Kconfig.debug: make DEBUG_INFO selectable from a choice") Cc: stable@vger.kernel.org Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/98a4c2603bf9e4b776e219f5b8541d23aa24e854.1654930308.git.christophe.leroy@csgroup.eu
2022-05-23eth: de4x5: remove support for Generic DECchip & DIGITAL EtherWORKS PCI/EISAJakub Kicinski2-2/+0
Looks like almost all changes to this driver had been tree-wide refactoring since git era begun. There is one commit from Al 15 years ago which could potentially be fixing a real bug. The driver is using virt_to_bus() and is a real magnet for pointless cleanups. It seems unlikely to have real users. Let's try to shed this maintenance burden. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-11arch: Remove references to CONFIG_NFSD_V3 in the default configsChuck Lever2-2/+0
CONFIG_NFSD_V3 has been removed. NFSD support for NFSv3 can no longer be disabled. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-01-21Merge tag 'rtc-5.17' of ↵Linus Torvalds2-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "Two new drivers this cycle and a significant rework of the CMOS driver make the bulk of the changes. I also carry powerpc changes with the agreement of Michael. New drivers: - Sunplus SP7021 RTC - Nintendo GameCube, Wii and Wii U RTC Driver updates: - cmos: refactor UIP handling and presence check, fix century - rs5c372: offset correction support, report low voltage - rv8803: Epson RX8804 support" * tag 'rtc-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (33 commits) rtc: sunplus: fix return value in sp_rtc_probe() rtc: cmos: Evaluate century appropriate rtc: gamecube: Fix an IS_ERR() vs NULL check rtc: mc146818-lib: fix signedness bug in mc146818_get_time() dt-bindings: rtc: qcom-pm8xxx-rtc: update register numbers rtc: pxa: fix null pointer dereference rtc: ftrtc010: Use platform_get_irq() to get the interrupt rtc: Move variable into switch case statement rtc: pcf2127: Fix typo in comment dt-bindings: rtc: Add Sunplus RTC json-schema rtc: Add driver for RTC in Sunplus SP7021 rtc: rs5c372: fix incorrect oscillation value on r2221tl rtc: rs5c372: add offset correction support rtc: cmos: avoid UIP when writing alarm time rtc: cmos: avoid UIP when reading alarm time rtc: mc146818-lib: refactor mc146818_does_rtc_work rtc: mc146818-lib: refactor mc146818_get_time rtc: mc146818-lib: extract mc146818_avoid_UIP rtc: mc146818-lib: fix RTC presence check rtc: Check return value from mc146818_get_time() ...
2022-01-14Merge tag 'powerpc-5.17-1' of ↵Linus Torvalds3-3/+2
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: - Optimise radix KVM guest entry/exit by 2x on Power9/Power10. - Allow firmware to tell us whether to disable the entry and uaccess flushes on Power10 or later CPUs. - Add BPF_PROBE_MEM support for 32 and 64-bit BPF jits. - Several fixes and improvements to our hard lockup watchdog. - Activate HAVE_DYNAMIC_FTRACE_WITH_REGS on 32-bit. - Allow building the 64-bit Book3S kernel without hash MMU support, ie. Radix only. - Add KUAP (SMAP) support for 40x, 44x, 8xx, Book3E (64-bit). - Add new encodings for perf_mem_data_src.mem_hops field, and use them on Power10. - A series of small performance improvements to 64-bit interrupt entry. - Several commits fixing issues when building with the clang integrated assembler. - Many other small features and fixes. Thanks to Alan Modra, Alexey Kardashevskiy, Ammar Faizi, Anders Roxell, Arnd Bergmann, Athira Rajeev, Cédric Le Goater, Christophe JAILLET, Christophe Leroy, Christoph Hellwig, Daniel Axtens, David Yang, Erhard Furtner, Fabiano Rosas, Greg Kroah-Hartman, Guo Ren, Hari Bathini, Jason Wang, Joel Stanley, Julia Lawall, Kajol Jain, Kees Cook, Laurent Dufour, Madhavan Srinivasan, Mark Brown, Minghao Chi, Nageswara R Sastry, Naresh Kamboju, Nathan Chancellor, Nathan Lynch, Nicholas Piggin, Nick Child, Oliver O'Halloran, Peiwei Hu, Randy Dunlap, Ravi Bangoria, Rob Herring, Russell Currey, Sachin Sant, Sean Christopherson, Segher Boessenkool, Thadeu Lima de Souza Cascardo, Tyrel Datwyler, Xiang wangx, and Yang Guang. * tag 'powerpc-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (240 commits) powerpc/xmon: Dump XIVE information for online-only processors. powerpc/opal: use default_groups in kobj_type powerpc/cacheinfo: use default_groups in kobj_type powerpc/sched: Remove unused TASK_SIZE_OF powerpc/xive: Add missing null check after calling kmalloc powerpc/floppy: Remove usage of the deprecated "pci-dma-compat.h" API selftests/powerpc: Add a test of sigreturning to an unaligned address powerpc/64s: Use EMIT_WARN_ENTRY for SRR debug warnings powerpc/64s: Mask NIP before checking against SRR0 powerpc/perf: Fix spelling of "its" powerpc/32: Fix boot failure with GCC latent entropy plugin powerpc/code-patching: Replace patch_instruction() by ppc_inst_write() in selftests powerpc/code-patching: Move code patching selftests in its own file powerpc/code-patching: Move instr_is_branch_{i/b}form() in code-patching.h powerpc/code-patching: Move patch_exception() outside code-patching.c powerpc/code-patching: Use test_trampoline for prefixed patch test powerpc/code-patching: Fix patch_branch() return on out-of-range failure powerpc/code-patching: Reorganise do_patch_instruction() to ease error handling powerpc/code-patching: Fix unmap_patch_area() error handling powerpc/code-patching: Fix error handling in do_patch_instruction() ...
2021-12-17arch: Remove leftovers from prism54 wireless driverAlexandre Ghiti1-1/+0
This driver was removed so remove all references to it. Fixes: d249ff28b1d8 ("intersil: remove obsolete prism54 wireless driver") Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-12-17Documentation, arch: Remove leftovers from CIFS_WEAK_PW_HASHAlexandre Ghiti1-1/+0
This config was removed so remove all references to it. Fixes: 76a3c92ec9e0 ("cifs: remove support for NTLM and weaker authentication algorithms") Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com> Reviewed-by: Steve French <smfrench@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> [arch/arm/configs] Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-12-17Documentation, arch: Remove leftovers from raw deviceAlexandre Ghiti1-1/+0
Raw device interface was removed so remove all references to configs related to it. Fixes: 603e4922f1c8 ("remove the raw driver") Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com> Acked-by: Arnd Bergmann <arnd@arndb.de> [arch/arm/configs] Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-12-16powerpc: wii_defconfig: Enable the RTC driverEmmanuel Gil Peyrot1-1/+1
This selects the rtc-gamecube driver, which provides a real-time clock on this platform. Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20211215175501.6761-6-linkmauve@linkmauve.fr
2021-12-16powerpc: gamecube_defconfig: Enable the RTC driverEmmanuel Gil Peyrot1-1/+1
This selects the rtc-gamecube driver, which provides a real-time clock on this platform. Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20211215175501.6761-5-linkmauve@linkmauve.fr
2021-12-09powerpc/microwatt: add POWER9_CPU, clear PPC_64S_HASH_MMUNicholas Piggin1-1/+2
Microwatt implements a subset of ISA v3.0 (which is equivalent to the POWER9_CPU option). It is radix-only, so does not require hash MMU support. This saves 20kB compressed dtbImage and 56kB vmlinux size. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20211201144153.2456614-19-npiggin@gmail.com
2021-11-25powerpc/pseries: delete scanlogNathan Lynch2-2/+0
Remove the pseries scanlog driver. This code supports functions from Power4-era servers that are not present on targets currently supported by arch/powerpc. System manuals from this time have this description: Scan Dump data is a set of chip data that the service processor gathers after a system malfunction. It consists of chip scan rings, chip trace arrays, and Scan COM (SCOM) registers. This data is stored in the scan-log partition of the system’s Nonvolatile Random Access Memory (NVRAM). PowerVM partition firmware development doesn't recognize the associated function call or property, and they don't see any references to them in their codebase. It seems to have been specific to non-virtualized pseries. References: Historical Linux commit from February 2003 (interesting to note this seems to be the source of non-GPL exports for rtas_call etc): https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git/commit/?id=f92e361842d5251e50562b09664082dcbd0548bb IntelliStation and pSeries docs which refer to the feature: http://ps-2.retropc.se/basil.holloway/ALL%20PDF/380635.pdf http://ps-2.kev009.com/rs6000/manuals/p/p615-6C3-6E3/6C3_and_6E3_Users_Guide_SA38-0629.pdf Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com> Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210920173203.1800475-1-nathanl@linux.ibm.com
2021-11-07Merge branch 'akpm' (patches from Andrew)Linus Torvalds1-1/+0
Merge misc updates from Andrew Morton: "257 patches. Subsystems affected by this patch series: scripts, ocfs2, vfs, and mm (slab-generic, slab, slub, kconfig, dax, kasan, debug, pagecache, gup, swap, memcg, pagemap, mprotect, mremap, iomap, tracing, vmalloc, pagealloc, memory-failure, hugetlb, userfaultfd, vmscan, tools, memblock, oom-kill, hugetlbfs, migration, thp, readahead, nommu, ksm, vmstat, madvise, memory-hotplug, rmap, zsmalloc, highmem, zram, cleanups, kfence, and damon)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (257 commits) mm/damon: remove return value from before_terminate callback mm/damon: fix a few spelling mistakes in comments and a pr_debug message mm/damon: simplify stop mechanism Docs/admin-guide/mm/pagemap: wordsmith page flags descriptions Docs/admin-guide/mm/damon/start: simplify the content Docs/admin-guide/mm/damon/start: fix a wrong link Docs/admin-guide/mm/damon/start: fix wrong example commands mm/damon/dbgfs: add adaptive_targets list check before enable monitor_on mm/damon: remove unnecessary variable initialization Documentation/admin-guide/mm/damon: add a document for DAMON_RECLAIM mm/damon: introduce DAMON-based Reclamation (DAMON_RECLAIM) selftests/damon: support watermarks mm/damon/dbgfs: support watermarks mm/damon/schemes: activate schemes based on a watermarks mechanism tools/selftests/damon: update for regions prioritization of schemes mm/damon/dbgfs: support prioritization weights mm/damon/vaddr,paddr: support pageout prioritization mm/damon/schemes: prioritize regions within the quotas mm/damon/selftests: support schemes quotas mm/damon/dbgfs: support quotas of schemes ...
2021-11-06mm: remove HARDENED_USERCOPY_FALLBACKStephen Kitt1-1/+0
This has served its purpose and is no longer used. All usercopy violations appear to have been handled by now, any remaining instances (or new bugs) will cause copies to be rejected. This isn't a direct revert of commit 2d891fbc3bb6 ("usercopy: Allow strict enforcement of whitelists"); since usercopy_fallback is effectively 0, the fallback handling is removed too. This also removes the usercopy_fallback module parameter on slab_common. Link: https://github.com/KSPP/linux/issues/153 Link: https://lkml.kernel.org/r/20210921061149.1091163-1-steve@sk2.org Signed-off-by: Stephen Kitt <steve@sk2.org> Suggested-by: Kees Cook <keescook@chromium.org> Acked-by: Kees Cook <keescook@chromium.org> Reviewed-by: Joel Stanley <joel@jms.id.au> [defconfig change] Acked-by: David Rientjes <rientjes@google.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: James Morris <jmorris@namei.org> Cc: "Serge E . Hallyn" <serge@hallyn.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-10-27powerpc/64s: Default to 64K pages for 64 bit book3sJoel Stanley10-6/+4
For 64-bit book3s the default should be 64K as that's what modern CPUs are designed for. The following defconfigs already set CONFIG_PPC_64K_PAGES: cell_defconfig pasemi_defconfig powernv_defconfig ppc64_defconfig pseries_defconfig skiroot_defconfig The have the option removed from the defconfig, as it is now the default. The defconfigs that now need to set CONFIG_PPC_4K_PAGES to maintain their existing behaviour are: g5_defconfig maple_defconfig microwatt_defconfig ps3_defconfig Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> BugLink: https://github.com/linuxppc/issues/issues/109 Link: https://lore.kernel.org/r/20211015001649.45591-1-joel@jms.id.au
2021-08-26powerpc/configs/microwatt: Enable options for systemdJoel Stanley1-1/+4
When booting with systemd these options are required. This increases the image by about 50KB, or 2%. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210826122653.3236867-4-joel@jms.id.au
2021-08-26powerpc/configs/microwattt: Enable LiteethJoel Stanley1-0/+1
Liteeth is the network device used by Microwatt. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210826122653.3236867-3-joel@jms.id.au
2021-08-26Merge changes from Paul GortmakerMichael Ellerman4-53/+0
Merge the changes to retire the legacy WR sbc8548 and sbc8641 platforms from Paul. These were sent as a pull request, but I rebased them onto rc2 so as not to pull too many unrelated changes in to my next. Description from Paul's pull request follows: In v2.6.27 (2008, 917f0af9e5a9) the sbc8260 support was implicitly retired by not being carried forward through the ppc --> powerpc device tree transition. Then, in v3.6 (2012, b048b4e17cbb) we retired the support for the sbc8560 boards. Next, in v4.18 (2017, 3bc6cf5a86e5) we retired the support for the 2006 vintage sbc834x boards. The sbc8548 and sbc8641d boards were maybe 1-2 years newer than the sbc834x boards, but it is also 3+ years later, so it makes sense to now retire them as well - which is what is done here. These two remaining WR boards were based on the Freescale MPC8548-CDS and the MPC8641D-HPCN reference board implementations. Having had the chance to use these and many other Fsl ref boards, I know this: The Freescale reference boards were typically produced in limited quantity and primarily available to BSP developers and hardware designers, and not likely to have found a 2nd life with hobbyists and/or collectors. It was good to have that BSP code subjected to mainline review and hence also widely available back in the day. But given the above, we should probably also be giving serious consideration to retiring additional similar age/type reference board platforms as well. I've always felt it is important for us to be proactive in retiring old code, since it has a genuine non-zero carrying cost, as described in the 930d52c012b8 merge log. But for the here and now, we just clean up the remaining BSP code that I had added for SBC platforms. Link: https://lore.kernel.org/r/20210824174209.GB160508@windriver.com
2021-08-26powerpc: retire sbc8641d board supportPaul Gortmaker2-2/+0
The support was for this was added to mainline over 12 years ago, in v2.6.26 [4e8aae89a35d] just around the ppc --> powerpc migration. I believe the board was introduced shortly after the sbc8548 board, making it roughly a 14 year old platform - with the CPU speed and memory size typical for that era. I haven't had one of these boards for several years, and availability was discontinued several years before that. Given that, there is no point in adding a burden to testing coverage that builds all possible defconfigs, so it makes sense to remove it. Of course it will remain in the git history forever, for anyone who happens to find a functional board and wants to tinker with it. Acked-by: Scott Wood <oss@buserror.net> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2021-08-26powerpc: retire sbc8548 board supportPaul Gortmaker2-51/+0
The support was for this was mainlined 13 years ago, in v2.6.25 [0e0fffe88767] just around the ppc --> powerpc migration. I believe the board was introduced a year or two before that, so it is roughly a 15 year old platform - with the CPU speed and memory size that was typical for that era. I haven't had one of these boards for several years, and availability was discontinued several years before that. Given that, there is no point in adding a burden to testing coverage that builds all possible defconfigs, so it makes sense to remove it. Of course it will remain in the git history forever, for anyone who happens to find a functional board and wants to tinker with it. Acked-by: Scott Wood <oss@buserror.net> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2021-08-17powerpc/configs: Regenerate mpc885_ads_defconfigJoel Stanley1-24/+22
Regenerate atop v5.14-rc6 by doing a make savedefconfig. The changes a re-ordering except for the following (which are still set indirectly): - CONFIG_DEBUG_KERNEL=y selected by EXPERT - CONFIG_PPC_EARLY_DEBUG_CPM_ADDR=0xff002008 which is the default setting Signed-off-by: Joel Stanley <joel@jms.id.au> Acked-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210817045407.2445664-4-joel@jms.id.au
2021-08-17powerpc/config: Renable MTD_PHYSMAP_OFJoel Stanley1-0/+1
CONFIG_MTD_PHYSMAP_OF is not longer enabled as it depends on MTD_PHYSMAP which is not enabled. This is a regression from commit 642b1e8dbed7 ("mtd: maps: Merge physmap_of.c into physmap-core.c"), which added the extra dependency. Add CONFIG_MTD_PHYSMAP=y so this stays in the config, as Christophe said it is useful for build coverage. Fixes: 642b1e8dbed7 ("mtd: maps: Merge physmap_of.c into physmap-core.c") Signed-off-by: Joel Stanley <joel@jms.id.au> Acked-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210817045407.2445664-3-joel@jms.id.au
2021-08-17powerpc/config: Fix IPV6 warning in mpc855_adsJoel Stanley1-2/+0
When building this config there's a warning: 79:warning: override: reassigning to symbol IPV6 Commit 9a1762a4a4ff ("powerpc/8xx: Update mpc885_ads_defconfig to improve CI") added CONFIG_IPV6=y, but left '# CONFIG_IPV6 is not set' in. IPV6 is default y, so remove both to clean up the build. Fixes: 9a1762a4a4ff ("powerpc/8xx: Update mpc885_ads_defconfig to improve CI") Signed-off-by: Joel Stanley <joel@jms.id.au> Acked-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210817045407.2445664-2-joel@jms.id.au
2021-08-13powerpc: wii_defconfig: Enable OTP by defaultEmmanuel Gil Peyrot1-0/+1
This selects the nintendo-otp module when building for this platform. Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210801073822.12452-6-linkmauve@linkmauve.fr
2021-08-10powerpc/configs: Disable legacy ptys on microwatt defconfigAnton Blanchard1-0/+1
We shouldn't need legacy ptys, and disabling the option improves boot time by about 0.5 seconds. Signed-off-by: Anton Blanchard <anton@ozlabs.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210805112005.3cb1f412@kryten.localdomain
2021-07-06Merge tag 'tty-5.14-rc1' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty / serial updates from Greg KH: "Here is the big set of tty and serial driver patches for 5.14-rc1. A bit more than normal, but nothing major, lots of cleanups. Highlights are: - lots of tty api cleanups and mxser driver cleanups from Jiri - build warning fixes - various serial driver updates - coding style cleanups - various tty driver minor fixes and updates - removal of broken and disable r3964 line discipline (finally!) All of these have been in linux-next for a while with no reported issues" * tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (227 commits) serial: mvebu-uart: remove unused member nb from struct mvebu_uart arm64: dts: marvell: armada-37xx: Fix reg for standard variant of UART dt-bindings: mvebu-uart: fix documentation serial: mvebu-uart: correctly calculate minimal possible baudrate serial: mvebu-uart: do not allow changing baudrate when uartclk is not available serial: mvebu-uart: fix calculation of clock divisor tty: make linux/tty_flip.h self-contained serial: Prefer unsigned int to bare use of unsigned serial: 8250: 8250_omap: Fix possible interrupt storm on K3 SoCs serial: qcom_geni_serial: use DT aliases according to DT bindings Revert "tty: serial: Add UART driver for Cortina-Access platform" tty: serial: Add UART driver for Cortina-Access platform MAINTAINERS: add me back as mxser maintainer mxser: Documentation, fix typos mxser: Documentation, make the docs up-to-date mxser: Documentation, remove traces of callout device mxser: introduce mxser_16550A_or_MUST helper mxser: rename flags to old_speed in mxser_set_serial_info mxser: use port variable in mxser_set_serial_info mxser: access info->MCR under info->slock ...
2021-06-25powerpc/configs: Enable STACK_TRACER and FTRACE_SYSCALLS in some of the configsNaveen N. Rao3-0/+5
Both these config options are generally enabled in distro kernels. Enable the same in a few powerpc64 configs to get better coverage and testing. Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210524120227.3333208-1-naveen.n.rao@linux.vnet.ibm.com
2021-06-21powerpc/microwatt: Add microwatt_defconfigPaul Mackerras1-0/+98
Signed-off-by: Paul Mackerras <paulus@ozlabs.org> Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/YMwXfL8hOpReIiiP@thinks.paulus.ozlabs.org
2021-05-23powerpc/Makefile: Add ppc32/ppc64_randconfig targetsMichael Ellerman2-0/+2
Make it easier to generate a 32 or 64-bit specific randconfig. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Requested-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20210428132700.3426100-1-mpe@ellerman.id.au
2021-05-17powerpc/8xx: Update mpc885_ads_defconfig to improve CIChristophe Leroy1-0/+25
mpc885_ads_defconfig is used by several CI robots. A few functionnalities are specific to 8xx and are not covered by other default configuration, so improve build test coverage by adding them to mpc885_ads_defconfig. 8xx is the only platform supporting 16k page size in addition to 4k page size. Considering that 4k page size is widely tested by other configurations, lets make 16k pages the selection for 8xx, as it has demonstrated in the past to be a weakness. CONFIG_PIN_TLB is specific to 8xx, select it as it mainly adds code with removing much. CONFIG_BDI_SWITCH is specific to PPC32 and adds codes. CONFIG_PPC_PTDUMP has specific part for 8xx. CONFIG_MODULES has specific handling for 8xx. CONFIG_SMC_UCODE_PATCH is specific to 8xx for loading microcode. CONFIG_PERF_EVENTS has specific parts for 8xx. CONFIG_MATH_EMULATION is used by 8xx. CONFIG_STRICT_KERNEL_RWX has specificities for 8xx. CONFIG_VIRT_CPU_ACCOUNTING_NATIVE has specific parts for PPC32. CONFIG_IPV6 has specificities for PPC32. CONFIG_BPF_JIT has specificities for PPC32. A few drivers are tightly linked to the 8xx: - CONFIG_SPI_FSL_SPI - CONFIG_CRYPTO_DEV_TALITOS - CONFIG_8xxx_WDT - CONFIG_8xx_GPIO - CONFIG_PPC_EARLY_DEBUG_CPM Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/2541e4e415505b27db8ccbb8977035c20e408ef4.1620405461.git.christophe.leroy@csgroup.eu
2021-05-13tty: remove broken r3964 line disciplineJiri Slaby1-1/+0
Noone stepped up in the past two years since it was marked as BROKEN by commit c7084edc3f6d (tty: mark Siemens R3964 line discipline as BROKEN). Remove the line discipline for good. Three remarks: * we remove also the uapi header (as noone is able to use that interface anyway) * we do *not* remove the N_R3964 constant definition from tty.h, so it remains reserved. * in_interrupt() check is now removed from vt's con_put_char. Noone else calls tty_operations::put_char from interrupt context. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210505091928.22010-2-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-30Merge tag 'powerpc-5.13-1' of ↵Linus Torvalds2-0/+4
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: - Enable KFENCE for 32-bit. - Implement EBPF for 32-bit. - Convert 32-bit to do interrupt entry/exit in C. - Convert 64-bit BookE to do interrupt entry/exit in C. - Changes to our signal handling code to use user_access_begin/end() more extensively. - Add support for time namespaces (CONFIG_TIME_NS) - A series of fixes that allow us to reenable STRICT_KERNEL_RWX. - Other smaller features, fixes & cleanups. Thanks to Alexey Kardashevskiy, Andreas Schwab, Andrew Donnellan, Aneesh Kumar K.V, Athira Rajeev, Bhaskar Chowdhury, Bixuan Cui, Cédric Le Goater, Chen Huang, Chris Packham, Christophe Leroy, Christopher M. Riedl, Colin Ian King, Dan Carpenter, Daniel Axtens, Daniel Henrique Barboza, David Gibson, Davidlohr Bueso, Denis Efremov, dingsenjie, Dmitry Safonov, Dominic DeMarco, Fabiano Rosas, Ganesh Goudar, Geert Uytterhoeven, Geetika Moolchandani, Greg Kurz, Guenter Roeck, Haren Myneni, He Ying, Jiapeng Chong, Jordan Niethe, Laurent Dufour, Lee Jones, Leonardo Bras, Li Huafei, Madhavan Srinivasan, Mahesh Salgaonkar, Masahiro Yamada, Nathan Chancellor, Nathan Lynch, Nicholas Piggin, Oliver O'Halloran, Paul Menzel, Pu Lehui, Randy Dunlap, Ravi Bangoria, Rosen Penev, Russell Currey, Santosh Sivaraj, Sebastian Andrzej Siewior, Segher Boessenkool, Shivaprasad G Bhat, Srikar Dronamraju, Stephen Rothwell, Thadeu Lima de Souza Cascardo, Thomas Gleixner, Tony Ambardar, Tyrel Datwyler, Vaibhav Jain, Vincenzo Frascino, Xiongwei Song, Yang Li, Yu Kuai, and Zhang Yunkai. * tag 'powerpc-5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (302 commits) powerpc/signal32: Fix erroneous SIGSEGV on RT signal return powerpc: Avoid clang uninitialized warning in __get_user_size_allowed powerpc/papr_scm: Mark nvdimm as unarmed if needed during probe powerpc/kvm: Fix build error when PPC_MEM_KEYS/PPC_PSERIES=n powerpc/kasan: Fix shadow start address with modules powerpc/kernel/iommu: Use largepool as a last resort when !largealloc powerpc/kernel/iommu: Align size for IOMMU_PAGE_SIZE() to save TCEs powerpc/44x: fix spelling mistake in Kconfig "varients" -> "variants" powerpc/iommu: Annotate nested lock for lockdep powerpc/iommu: Do not immediately panic when failed IOMMU table allocation powerpc/iommu: Allocate it_map by vmalloc selftests/powerpc: remove unneeded semicolon powerpc/64s: remove unneeded semicolon powerpc/eeh: remove unneeded semicolon powerpc/selftests: Add selftest to test concurrent perf/ptrace events powerpc/selftests/perf-hwbreak: Add testcases for 2nd DAWR powerpc/selftests/perf-hwbreak: Coalesce event creation code powerpc/selftests/ptrace-hwbreak: Add testcases for 2nd DAWR powerpc/configs: Add IBMVNIC to some 64-bit configs selftests/powerpc: Add uaccess flush test ...
2021-04-29Merge tag 'for-5.13/drivers-2021-04-27' of git://git.kernel.dk/linux-blockLinus Torvalds1-1/+0
Pull block driver updates from Jens Axboe: - MD changes via Song: - raid5 POWER fix - raid1 failure fix - UAF fix for md cluster - mddev_find_or_alloc() clean up - Fix NULL pointer deref with external bitmap - Performance improvement for raid10 discard requests - Fix missing information of /proc/mdstat - rsxx const qualifier removal (Arnd) - Expose allocated brd pages (Calvin) - rnbd via Gioh Kim: - Change maintainer - Change domain address of maintainers' email - Add polling IO mode and document update - Fix memory leak and some bug detected by static code analysis tools - Code refactoring - Series of floppy cleanups/fixes (Denis) - s390 dasd fixes (Julian) - kerneldoc fixes (Lee) - null_blk double free (Lv) - null_blk virtual boundary addition (Max) - Remove xsysace driver (Michal) - umem driver removal (Davidlohr) - ataflop fixes (Dan) - Revalidate disk removal (Christoph) - Bounce buffer cleanups (Christoph) - Mark lightnvm as deprecated (Christoph) - mtip32xx init cleanups (Shixin) - Various fixes (Tian, Gustavo, Coly, Yang, Zhang, Zhiqiang) * tag 'for-5.13/drivers-2021-04-27' of git://git.kernel.dk/linux-block: (143 commits) async_xor: increase src_offs when dropping destination page drivers/block/null_blk/main: Fix a double free in null_init. md/raid1: properly indicate failure when ending a failed write request md-cluster: fix use-after-free issue when removing rdev nvme: introduce generic per-namespace chardev nvme: cleanup nvme_configure_apst nvme: do not try to reconfigure APST when the controller is not live nvme: add 'kato' sysfs attribute nvme: sanitize KATO setting nvmet: avoid queuing keep-alive timer if it is disabled brd: expose number of allocated pages in debugfs ataflop: fix off by one in ataflop_probe() ataflop: potential out of bounds in do_format() drbd: Fix fall-through warnings for Clang block/rnbd: Use strscpy instead of strlcpy block/rnbd-clt-sysfs: Remove copy buffer overlap in rnbd_clt_get_path_name block/rnbd-clt: Remove max_segment_size block/rnbd-clt: Generate kobject_uevent when the rnbd device state changes block/rnbd-srv: Remove unused arguments of rnbd_srv_rdma_ev Documentation/ABI/rnbd-clt: Add description for nr_poll_queues ...
2021-04-22powerpc/configs: Add IBMVNIC to some 64-bit configsMichael Ellerman2-0/+2
This is an IBM specific driver that we should enable to get some build/boot testing. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210302020954.2980046-1-mpe@ellerman.id.au
2021-04-22powerpc/64s: Add FA_DUMP to defconfigMichael Ellerman1-0/+1
FA_DUMP (Firmware Assisted Dump) is a powerpc only feature that should be enabled in our defconfig to get some build / test coverage. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210420042209.1641634-1-mpe@ellerman.id.au
2021-04-16powerpc/configs: Add PAPR_SCM to pseries_defconfigMichael Ellerman1-0/+1
This is a pseries only driver, it should be built by default as part of pseries_defconfig to get some build coverage. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210416111209.765444-1-mpe@ellerman.id.au
2021-03-23xsysace: Remove SYSACE driverMichal Simek1-1/+0
Sysace IP is no longer used on Xilinx PowerPC 405/440 and Microblaze systems. The driver is not regularly tested and very likely not working for quite a long time that's why remove it. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-10tty: cyclades, remove this orphanJiri Slaby1-1/+0
The Cyclades driver was orphaned by commit d459883e6c54 (MAINTAINERS: remove two dead e-mail) 13 years ago. Noone stepped up to take care of them and to fix all the issues the driver has. On the top of that, there is no way to obtain the firmware for Z cards from the vendor as cyclades.com ceased to exist. So it's time to drop the driver with all its traces. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210302062214.29627-5-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-02-23Merge tag 'modules-for-v5.12' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux Pull module updates from Jessica Yu: - Retire EXPORT_UNUSED_SYMBOL() and EXPORT_SYMBOL_GPL_FUTURE(). These export types were introduced between 2006 - 2008. All the of the unused symbols have been long removed and gpl future symbols were converted to gpl quite a long time ago, and I don't believe these export types have been used ever since. So, I think it should be safe to retire those export types now (Christoph Hellwig) - Refactor and clean up some aged code cruft in the module loader (Christoph Hellwig) - Build {,module_}kallsyms_on_each_symbol only when livepatching is enabled, as it is the only caller (Christoph Hellwig) - Unexport find_module() and module_mutex and fix the last module callers to not rely on these anymore. Make module_mutex internal to the module loader (Christoph Hellwig) - Harden ELF checks on module load and validate ELF structures before checking the module signature (Frank van der Linden) - Fix undefined symbol warning for clang (Fangrui Song) - Fix smatch warning (Dan Carpenter) * tag 'modules-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux: module: potential uninitialized return in module_kallsyms_on_each_symbol() module: remove EXPORT_UNUSED_SYMBOL* module: remove EXPORT_SYMBOL_GPL_FUTURE module: move struct symsearch to module.c module: pass struct find_symbol_args to find_symbol module: merge each_symbol_section into find_symbol module: remove each_symbol_in_section module: mark module_mutex static kallsyms: only build {,module_}kallsyms_on_each_symbol when required kallsyms: refactor {,module_}kallsyms_on_each_symbol module: use RCU to synchronize find_module module: unexport find_module and module_mutex drm: remove drm_fb_helper_modinit powerpc/powernv: remove get_cxl_module module: harden ELF info handling module: Ignore _GLOBAL_OFFSET_TABLE_ when warning for undefined symbols
2021-02-23Merge tag 'powerpc-5.12-1' of ↵Linus Torvalds1-0/+5
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: - A large series adding wrappers for our interrupt handlers, so that irq/nmi/user tracking can be isolated in the wrappers rather than spread in each handler. - Conversion of the 32-bit syscall handling into C. - A series from Nick to streamline our TLB flushing when using the Radix MMU. - Switch to using queued spinlocks by default for 64-bit server CPUs. - A rework of our PCI probing so that it happens later in boot, when more generic infrastructure is available. - Two small fixes to allow 32-bit little-endian processes to run on 64-bit kernels. - Other smaller features, fixes & cleanups. Thanks to: Alexey Kardashevskiy, Ananth N Mavinakayanahalli, Aneesh Kumar K.V, Athira Rajeev, Bhaskar Chowdhury, Cédric Le Goater, Chengyang Fan, Christophe Leroy, Christopher M. Riedl, Fabiano Rosas, Florian Fainelli, Frederic Barrat, Ganesh Goudar, Hari Bathini, Jiapeng Chong, Joseph J Allen, Kajol Jain, Markus Elfring, Michal Suchanek, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Pingfan Liu, Po-Hsu Lin, Qian Cai, Ram Pai, Randy Dunlap, Sandipan Das, Stephen Rothwell, Tyrel Datwyler, Will Springer, Yury Norov, and Zheng Yongjun. * tag 'powerpc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (188 commits) powerpc/perf: Adds support for programming of Thresholding in P10 powerpc/pci: Remove unimplemented prototypes powerpc/uaccess: Merge raw_copy_to_user_allowed() into raw_copy_to_user() powerpc/uaccess: Merge __put_user_size_allowed() into __put_user_size() powerpc/uaccess: get rid of small constant size cases in raw_copy_{to,from}_user() powerpc/64: Fix stack trace not displaying final frame powerpc/time: Remove get_tbl() powerpc/time: Avoid using get_tbl() spi: mpc52xx: Avoid using get_tbl() powerpc/syscall: Avoid storing 'current' in another pointer powerpc/32: Handle bookE debugging in C in syscall entry/exit powerpc/syscall: Do not check unsupported scv vector on PPC32 powerpc/32: Remove the counter in global_dbcr0 powerpc/32: Remove verification of MSR_PR on syscall in the ASM entry powerpc/syscall: implement system call entry/exit logic in C for PPC32 powerpc/32: Always save non volatile GPRs at syscall entry powerpc/syscall: Change condition to check MSR_RI powerpc/syscall: Save r3 in regs->orig_r3 powerpc/syscall: Use is_compat_task() powerpc/syscall: Make interrupt.c buildable on PPC32 ...
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