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* powerpc/configs: Make pseries_defconfig an alias for ppc64le_guestMichael Ellerman2023-04-211-323/+0
| | | | | | | | | | | | | | | | | Rather than trying to keep multiple configs up to date, make pseries_defconfig an alias for ppc64le_guest_defconfig. NOTE, pseries_defconfig was a big endian config, but this commit switches it to little endian. Almost all distros are ppc64le these days, so little endian is much more likely to be what a user wants when they build for "pseries". For an actual big endian guest, use ppc64_guest_defconfig. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-32-mpe@ellerman.id.au
* Merge tag 'mm-stable-2022-10-08' of ↵Linus Torvalds2022-10-101-1/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 ...
| * mm: memcontrol: drop dead CONFIG_MEMCG_SWAP config symbolJohannes Weiner2022-10-031-1/+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>
* | powerpc/configs: Update config files for removed/renamed symbolsLukas Bulwahn2022-09-301-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* | powerpc/64: Remove PPC64 special case for cputime accounting defaultNicholas Piggin2022-09-051-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* | powerpc/configs: Properly enable PAPR_SCM in pseries_defconfigMichael Ellerman2022-09-041-0/+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
* Merge tag 'powerpc-5.17-1' of ↵Linus Torvalds2022-01-141-1/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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() ...
| * powerpc/pseries: delete scanlogNathan Lynch2021-11-251-1/+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
* | Documentation, arch: Remove leftovers from raw deviceAlexandre Ghiti2021-12-171-1/+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>
* powerpc/64s: Default to 64K pages for 64 bit book3sJoel Stanley2021-10-271-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* powerpc/configs: Enable STACK_TRACER and FTRACE_SYSCALLS in some of the configsNaveen N. Rao2021-06-251-0/+2
| | | | | | | | | | | 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
* powerpc/configs: Add IBMVNIC to some 64-bit configsMichael Ellerman2021-04-231-0/+1
| | | | | | | | | 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
* powerpc/configs: Add PAPR_SCM to pseries_defconfigMichael Ellerman2021-04-161-0/+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
* arch: powerpc: Stop building and using oprofileViresh Kumar2021-01-291-1/+0
| | | | | | | | | | | | | | | | | | | | | | | The "oprofile" user-space tools don't use the kernel OPROFILE support any more, and haven't in a long time. User-space has been converted to the perf interfaces. This commits stops building oprofile for powerpc and removes any reference to it from directories in arch/powerpc/ apart from arch/powerpc/oprofile, which will be removed in the next commit (this is broken into two commits as the size of the commit became very big, ~5k lines). Note that the member "oprofile_cpu_type" in "struct cpu_spec" isn't removed as it was also used by other parts of the code. Suggested-by: Christoph Hellwig <hch@infradead.org> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Robert Richter <rric@kernel.org> Acked-by: William Cohen <wcohen@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Thomas Gleixner <tglx@linutronix.de>
* powerpc/configs: Add BLK_DEV_NVME to pseries_defconfigAnton Blanchard2020-07-291-0/+1
| | | | | | | | | | I've forgotten to manually enable NVME when building pseries kernels for machines with NVME adapters. Since it's a reasonably common configuration, enable it by default. Signed-off-by: Anton Blanchard <anton@ozlabs.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200729040828.2312966-1-anton@ozlabs.org
* powerpc/configs: Remove dead symbolsMichael Ellerman2020-07-291-1/+0
| | | | | | | | Remove references to symbols that no longer exist as reported by scripts/checkkconfigsymbols.py. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200724131728.1643966-2-mpe@ellerman.id.au
* powerpc/64s/hash: Disable subpage_prot syscall by defaultNicholas Piggin2020-07-221-1/+0
| | | | | | | | | | The subpage_prot syscall was added for specialised system software (Lx86) that has been discontinued for about 7 years, and is not thought to be used elsewhere, so disable it by default. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200703011958.1166620-4-npiggin@gmail.com
* powerpc/configs/64s: Enable CONFIG_PRINTK_CALLERMichael Ellerman2020-06-021-0/+1
| | | | | | | | | | | | | | | | | This adds the CPU or thread number to printk messages. This helps a lot when deciphering concurrent oopses that have been interleaved. Example output, of PID1 (T1) triggering a warning: [ 1.581678][ T1] WARNING: CPU: 0 PID: 1 at crypto/rsa-pkcs1pad.c:539 pkcs1pad_verify+0x38/0x140 [ 1.581681][ T1] Modules linked in: [ 1.581693][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.5.0-rc5-gcc-8.2.0-00121-gf84c2e595927-dirty #1515 [ 1.581700][ T1] NIP: c000000000207d64 LR: c000000000207d3c CTR: c000000000207d2c [ 1.581708][ T1] REGS: c0000000fd2e7560 TRAP: 0700 Not tainted (5.5.0-rc5-gcc-8.2.0-00121-gf84c2e595927-dirty) [ 1.581712][ T1] MSR: 9000000000029033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 44000222 XER: 00040000 Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200520121257.961112-1-mpe@ellerman.id.au
* scsi: sr: remove references to BLK_DEV_SR_VENDOR, leave it enabledDiego Elio Pettenò2020-02-241-1/+0
| | | | | | | | | | | | | | | | | This kernel configuration is basically enabling/disabling sr driver quirks detection. While these quirks are for fairly rare devices (very old CD burners, and a glucometer), the additional detection of these models is a very minimal amount of code. The logic behind the quirks is always built into the sr driver. This also removes the config from all the defconfig files that are enabling this already. Link: https://lore.kernel.org/r/20200223191144.726-1-flameeyes@flameeyes.com Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* powerpc/configs: Drop CONFIG_QLGE which moved to stagingMichael Ellerman2020-01-311-1/+0
| | | | | | | | | | | | | The QLGE driver moved to staging in commit 955315b0dc8c ("qlge: Move drivers/net/ethernet/qlogic/qlge/ to drivers/staging/qlge/"), meaning our defconfigs that enable it have no effect as we don't enable CONFIG_STAGING. It sounds like the device is obsolete, so drop the driver. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: Joel Stanley <joel@jms.id.au> Link: https://lore.kernel.org/r/20200121043000.16212-1-mpe@ellerman.id.au
* powerpc/configs: Enable secure guest support in pseries and ppc64 defconfigsRyan Grimm2019-08-301-0/+1
| | | | | | | | | | Enables running as a secure guest in platforms with an Ultravisor. Signed-off-by: Ryan Grimm <grimm@linux.vnet.ibm.com> Signed-off-by: Ram Pai <linuxram@us.ibm.com> Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190820021326.6884-17-bauerman@linux.ibm.com
* powerpc/configs: Disable latencytopAnton Blanchard2019-07-041-1/+0
| | | | | | | | latencytop adds almost 4kB to each and every task struct and as such it doesn't deserve to be in our defconfigs. Signed-off-by: Anton Blanchard <anton@ozlabs.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Remove useless UEVENT_HELPER_PATHKrzysztof Kozlowski2019-07-031-1/+0
| | | | | | | | | | | | | | | | Remove the CONFIG_UEVENT_HELPER_PATH because: 1. It is disabled since commit 1be01d4a5714 ("driver: base: Disable CONFIG_UEVENT_HELPER by default") as its dependency (UEVENT_HELPER) was made default to 'n', 2. It is not recommended (help message: "This should not be used today [...] creates a high system load") and was kept only for ancient userland, 3. Certain userland specifically requests it to be disabled (systemd README: "Legacy hotplug slows down the system and confuses udev"). Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Enable CONFIG_USB_XHCI_HCD by defaultThomas Huth2019-04-201-0/+1
| | | | | | | | | | | | | | | Recent versions of QEMU provide a XHCI device by default these days instead of an old-fashioned OHCI device: https://git.qemu.org/?p=qemu.git;a=commitdiff;h=57040d451315320b7d27 So to get the keyboard working in the graphical console there again, we should now include XHCI support in the kernel by default, too. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Acked-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Remove unnecessary ftrace symbolsMichael Ellerman2018-11-261-2/+0
| | | | | | | | | | | | | | | | | | | | | In commit 539df7fcb303 ("powerpc/configs: Enable function trace by default") we added: CONFIG_FTRACE=y CONFIG_FUNCTION_TRACER=y CONFIG_FUNCTION_GRAPH_TRACER=y To ppc64_defconfig, powernv_defconfig and pseries_defconfig. But only CONFIG_FUNCTION_TRACER=y is required, CONFIG_FTRACE is default y if DEBUG_KERNEL is enabled, which we have. And then CONFIG_FUNCTION_GRAPH_TRACER is default y when CONFIG_FUNCTION_TRACER is enabled. The extra symbols were already removed from powernv_defconfig in commit 9a018fb1e147 ("powerpc/config: powernv_defconfig updates"). Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/config: Enable CONFIG_PRINTK_TIMEPetr Vorel2018-10-031-0/+1
| | | | | | | | for 64bit configs which use for CONFIG_LOG_BUF_SHIFT the same or higher value than the default (currently 17). Signed-off-by: Petr Vorel <pvorel@suse.cz> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* irqdomain: Kill CONFIG_IRQ_DOMAIN_DEBUGMarc Zyngier2018-01-241-1/+0
| | | | | | | | | | | | | CONFIG_IRQ_DOMAIN_DEBUG is similar to CONFIG_GENERIC_IRQ_DEBUGFS, just with less information. Spring cleanup time. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Yang Shunyong <shunyong.yang@hxt-semitech.com> Link: https://lkml.kernel.org/r/20180117142647.23622-1-marc.zyngier@arm.com
* powerpc/configs: Enable I2C_CHARDEV for pseries and powernvAndrew Donnellan2017-10-221-0/+1
| | | | | | | | | | | i2c-dev provides an interface for userspace programs to interact with I2C devices, and is very helpful for I2C-related debugging. Enable it in pseries_defconfig and powernv_defconfig. It's already enabled in many other powerpc defconfigs. Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Enable function trace by defaultBalbir Singh2017-08-311-0/+3
| | | | | | | | | | Most (all?) distros turn these on, so it makes sense to enable them for testing coverage, and they're also useful for developers. Signed-off-by: Balbir Singh <bsingharora@gmail.com> Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> [mpe: Reword change log] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Drop no longer needed CONFIG_AUDITSYSCALLMichael Ellerman2017-08-281-1/+0
| | | | | | | | Since commit cb74ed278f80 ("audit: always enable syscall auditing when supported and audit is enabled") we no longer need to set CONFIG_AUDITSYSCALL in our defconfigs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Drop no longer needed CONFIG_SMP for pseries/ppc64/powernvMichael Ellerman2017-08-281-1/+0
| | | | | | | | | In commit 40e275653e2c ("powerpc/powernv: Always enable SMP when building powernv") and 270e2dc9b803 ("powerpc/pseries: Always enable SMP when building pseries") we forced CONFIG_SMP on for some configs. Therefore we don't need to set it in those configs anymore. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Drop unnecessary CONFIG_UPROBE_EVENTMichael Ellerman2017-08-281-1/+0
| | | | | | | | | | In commit 6b0b7551428e ("perf/core: Rename CONFIG_[UK]PROBE_EVENT to CONFIG_[UK]PROBE_EVENTS") it was renamed to CONFIG_UPROBE_EVENTS. Additionally it's default y, and we have the prerequisites enabled, so we don't need it in our defconfigs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Drop unnecessary CONFIG_NUMA_BALANCING_DEFAULT_ENABLEDMichael Ellerman2017-08-281-1/+0
| | | | | | | | In commit 9654f95a081a ("powerpc: Enable NUMA balancing in pseries[_le]_defconfig") we added CONFIG_NUMA_BALANCING_DEFAULT_ENABLED to our defconfigs. But it's already enabled by default, so drop it. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Drop no longer needed CONFIG_DEVPTS_MULTIPLE_INSTANCESMichael Ellerman2017-08-281-1/+0
| | | | | | | | Since commit eedf265aa003 ("devpts: Make each mount of devpts an independent filesystem.") we no longer need to set CONFIG_DEVPTS_MULTIPLE_INSTANCES in our defconfigs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Drop no longer needed CONFIG_CRYPTO_DEV_VMX_ENCRYPTMichael Ellerman2017-08-281-1/+0
| | | | | | | | Since commit ccf5c442a1b8 ("crypto: vmx - Convert to CPU feature based module autoloading") we no longer need to set CONFIG_CRYPTO_DEV_VMX_ENCRYPT in our defconfigs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Drop no longer needed CONFIG_FHANDLEMichael Ellerman2017-08-281-1/+0
| | | | | | | Since commit f76be61755c5 ("Make CONFIG_FHANDLE default y") we no longer need to set CONFIG_FHANDLE in our defconfigs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Explicitly drop CONFIG_INPUT_MOUSEDEVMichael Ellerman2017-08-281-1/+0
| | | | | | | | | | | | | | | | | In commit 73d8ef76006b ("Input: mousedev - stop offering PS/2 to userspace by default") (Jan 2017), CONFIG_INPUT_MOUSEDEV was switched from default y to default n, with the explanation: Evdev interface has been available for many years and by now everyone is switched to using it, so let's stop offering /dev/input/mouseN and /dev/psaux by default. We had a number of configs which had it enabled, but going by the above explanation probably don't need it enabled anymore. So drop the last remnants of it from our defconfigs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Drop unneeded CONFIG_CRYPTO_ANSI_CPRNGMichael Ellerman2017-08-281-1/+0
| | | | | | Since commit 401e4238f35c ("crypto: rng - Make DRBG the default RNG") we no longer need to set CONFIG_CRYPTO_ANSI_CPRNG in our defconfigs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Update for symbol movement onlyMichael Ellerman2017-08-281-15/+15
| | | | | | | Update defconfigs for symbols that have moved around, without their value changing. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Re-enable HARD/SOFT lockup detectorsMichael Ellerman2017-08-091-1/+2
| | | | | | | | | | | | | | | | In commit 05a4a9527931 ("kernel/watchdog: split up config options"), CONFIG_LOCKUP_DETECTOR was split into two separate config options, CONFIG_HARDLOCKUP_DETECTOR and CONFIG_SOFTLOCKUP_DETECTOR. Our defconfigs still have CONFIG_LOCKUP_DETECTOR=y, but that is no longer user selectable, and we don't mention the new options, so we end up with none of them enabled. So update the defconfigs to turn on the new SOFT and HARD options, the end result being the same as what we had previously. Fixes: 05a4a9527931 ("kernel/watchdog: split up config options") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Re-enable POWER8 crc32cAnton Blanchard2017-03-281-1/+1
| | | | | | | | | The config option for the POWER8 crc32c recently changed from CONFIG_CRYPT_CRC32C_VPMSUM to CONFIG_CRYPTO_CRC32C_VPMSUM. Update the configs. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Make oprofile a moduleAnton Blanchard2017-03-281-1/+1
| | | | | | | | Most people use perf these days, so save about 31kB by making oprofile a module. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Re-enable ISO9660_FS as a built-in in 64 bit configsAnton Blanchard2017-03-281-1/+1
| | | | | | | | | | It turns out cloud-config uses ISO9660 filesystems to inject configuration data into cloud images. The cloud-config failures when ISO9660_FS is not enabled are cryptic, and building it in makes mainline testing easier, so re-enable it. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/pseries: Revert 'Auto-online hotplugged memory'Nathan Fontenot2017-02-211-1/+0
| | | | | | | | | | | | | | | | | | | | | This reverts commit ec999072442a ("powerpc/pseries: Auto-online hotplugged memory"), and 9dc512819e4b ("powerpc: Fix unused function warning 'lmb_to_memblock'"). Using the auto-online acpability does online added memory but does not update the associated device struct to indicate that the memory is online. This causes the pseries memory DLPAR code to fail when trying to remove a LMB that was previously removed and added back. This happens when validating that the LMB is removable. This patch reverts to the previous behavior of calling device_online() to online the LMB when it is DLPAR added and moves the lmb_to_memblock() routine out of CONFIG_MEMORY_HOTREMOVE now that we call it for add. Fixes: ec999072442a ("powerpc/pseries: Auto-online hotplugged memory") Cc: stable@vger.kernel.org # v4.8+ Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/64: Include bpf/bcc related config options in defconfigsNaveen N. Rao2017-02-091-0/+7
| | | | | | | | | | | | | | | | Specifically: - CONFIG_BPF_SYSCALL - CONFIG_NET_SCHED - CONFIG_NET_CLS_BPF - CONFIG_NET_CLS_ACT - CONFIG_NET_ACT_BPF - CONFIG_CGROUP_BPF - CONFIG_UPROBE_EVENT ... in pseries, ppc64 and powernv defconfigs. Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/64: Add BPF_JIT to powernv and pseries defconfigsAnton Blanchard2017-02-021-0/+1
| | | | | | | | | | Commit db9112173b18 ("powerpc: Turn on BPF_JIT in ppc64_defconfig") only added BPF_JIT to the ppc64 defconfig. Add it to our powernv and pseries defconfigs too. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc: Enable CONFIG_KEXEC_FILE in powerpc server defconfigs.Thiago Jung Bauermann2016-11-301-0/+2
| | | | | | | | | | Enable CONFIG_KEXEC_FILE in powernv_defconfig, ppc64_defconfig and pseries_defconfig. It depends on CONFIG_CRYPTO_SHA256=y, so add that as well. Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc/configs: Turn on PPC crypto implementations in the server defconfigsMichael Ellerman2016-11-181-0/+3
| | | | | | | | These are the PPC optimised versions of various crypto algorithms, so we should turn them on by default to get test coverage. Suggested-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* powerpc: convert pseries_defconfig to use libata PATA driversBartlomiej Zolnierkiewicz2016-11-141-5/+2
| | | | | | | | | | | | | | | | | | | | IDE subsystem has been deprecated since 2009 and the majority (if not all) of Linux distributions have switched to use libata for ATA support exclusively. However there are still some users (mostly old or/and embedded non-x86 systems) that have not converted from using IDE subsystem to libata PATA drivers. This doesn't seem to be good thing in the long-term for Linux as while there is less and less PATA systems left in use: * testing efforts are divided between two subsystems * having duplicate drivers for same hardware confuses users This patch converts pseries_defconfig to use libata PATA drivers. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
* powerpc/configs: Drop REISERFS from pseries & powernvMichael Ellerman2016-11-141-4/+0
| | | | | | | | No one uses reiserfs much these days, or is likely to in future. So drop it from pseries and powernv defconfigs to save time and space. It's still enabled in ppc64_defconfig so we get some build coverage. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-26 23:37:57 +0000