Messages in this thread Patch in this message | | | From | Michael Ellerman <> | Subject | [GIT PULL] Please pull powerpc/linux.git powerpc-5.8-1 tag | Date | Sat, 06 Jun 2020 02:38:49 +1000 |
| |
Hi Linus,
Please pull powerpc updates for 5.8.
Unfortunately we've ended up with quite a few conflicts, which is primarily my fault for pushing things to next too late. Lesson learnt.
I've pushed the result of my resolution of the conflicts to the powerpc/merge branch, if you want to look at that, though I've also tried to describe it in full below.
Firstly there's a conflict in arch/powerpc/kernel/traps.c in machine_check_exception() vs 69ea03b56ed2 ("hardirq/nmi: Allow nested nmi_enter()"). That change made nmi_enter() handle nesting natively, but in parallel we changed our code to only call nmi_enter() on some configurations which interacts badly.
The condition on the call to nmi_enter() needs updating, as well as the two calls to nmi_exit(), and then the comment as well. So I've just included the end result for the bulk of the function:
void machine_check_exception(struct pt_regs *regs) { int recover = 0;
/* * BOOK3S_64 does not call this handler as a non-maskable interrupt * (it uses its own early real-mode handler to handle the MCE proper * and then raises irq_work to call this handler when interrupts are * enabled). */ if (!IS_ENABLED(CONFIG_PPC_BOOK3S_64)) nmi_enter();
__this_cpu_inc(irq_stat.mce_exceptions);
...
if (check_io_access(regs)) goto bail;
if (!IS_ENABLED(CONFIG_PPC_BOOK3S_64)) nmi_exit();
die("Machine check", regs, SIGBUS);
/* Must die if the interrupt is not recoverable */ if (!(regs->msr & MSR_RI)) die("Unrecoverable Machine check", regs, SIGBUS);
return;
bail: if (!IS_ENABLED(CONFIG_PPC_BOOK3S_64)) nmi_exit(); }
Then there's two conflicts with 2fb4706057bc ("powerpc: add support for folded p4d page tables").
The first one in arch/powerpc/mm/kasan/kasan_init_32.c in kasan_remap_early_shadow_ro() is simple, just remove the for loop entirely.
Then in arch/powerpc/mm/ptdump/ptdump.c, in walk_pagetables(), the for loop should end up being:
for (i = pgd_index(addr); i < PTRS_PER_PGD; i++, pgd++, addr += PGDIR_SIZE) { p4d_t *p4d = p4d_offset(pgd, 0);
if (p4d_none(*p4d) || p4d_is_leaf(*p4d)) note_page(st, addr, 1, p4d_val(*p4d), PGDIR_SIZE); else if (is_hugepd(__hugepd(p4d_val(*p4d)))) walk_hugepd(st, (hugepd_t *)p4d, addr, PGDIR_SHIFT, 1); else /* p4d exists */ walk_pud(st, p4d, addr); }
Finally, we need this hunk applied to avoid a build break:
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index 61fc9e8f12d3..af7f13cf90cf 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -239,7 +239,7 @@ static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, p pte_basic_t old = pte_val(*p); pte_basic_t new = (old & ~(pte_basic_t)clr) | set; int num, i; - pmd_t *pmd = pmd_offset(pud_offset(pgd_offset(mm, addr), addr), addr); + pmd_t *pmd = pmd_offset(pud_offset(p4d_offset(pgd_offset(mm, addr), addr), addr), addr); if (!huge) num = PAGE_SIZE / SZ_4K;
Let me know if any of that doesn't make sense or otherwise causes problems.
There's also a few out-of-area changes which I'll highlight FYI:
arch/s390/include/asm/pgtable.h # 93a98695f2f9 mm: change pmdp_huge_get_and_clear_full take vm_area_struct as arg include/asm-generic/pgtable.h mm/huge_memory.c
drivers/input/serio/ # e4f4ffa8a98c input: i8042 - Remove special PowerPC handling include/linux/hw_breakpoint.h # ef3534a94fdb hw-breakpoints: Fix build warnings with clang kernel/events/hw_breakpoint.c # 29da4f91c0c1 powerpc/watchpoint: Don't allow concurrent perf and ptrace events sound/... # f16dca3e30c1 sound: ac97: Remove sound driver for ancient platform
cheers
The following changes since commit ae83d0b416db002fe95601e7f97f64b59514d936:
Linux 5.7-rc2 (2020-04-19 14:35:30 -0700)
are available in the git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git tags/powerpc-5.8-1
for you to fetch changes up to 1395375c592770fe5158a592944aaeed67fa94ff:
Merge branch 'topic/ppc-kvm' into next (2020-06-03 13:44:51 +1000)
------------------------------------------------------------------ powerpc updates for 5.8 - Support for userspace to send requests directly to the on-chip GZIP accelerator on Power9.
- Rework of our lockless page table walking (__find_linux_pte()) to make it safe against parallel page table manipulations without relying on an IPI for serialisation.
- A series of fixes & enhancements to make our machine check handling more robust.
- Lots of plumbing to add support for "prefixed" (64-bit) instructions on Power10.
- Support for using huge pages for the linear mapping on 8xx (32-bit).
- Remove obsolete Xilinx PPC405/PPC440 support, and an associated sound driver.
- Removal of some obsolete 40x platforms and associated cruft.
- Initial support for booting on Power10.
- Lots of other small features, cleanups & fixes.
Thanks to: Alexey Kardashevskiy, Alistair Popple, Andrew Donnellan, Andrey Abramov, Aneesh Kumar K.V, Balamuruhan S, Bharata B Rao, Bulent Abali, Cédric Le Goater, Chen Zhou, Christian Zigotzky, Christophe JAILLET, Christophe Leroy, Dmitry Torokhov, Emmanuel Nicolet, Erhard F., Gautham R. Shenoy, Geoff Levand, George Spelvin, Greg Kurz, Gustavo A. R. Silva, Gustavo Walbon, Haren Myneni, Hari Bathini, Joel Stanley, Jordan Niethe, Kajol Jain, Kees Cook, Leonardo Bras, Madhavan Srinivasan., Mahesh Salgaonkar, Markus Elfring, Michael Neuling, Michal Simek, Nathan Chancellor, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Paul Mackerras, Pingfan Liu, Qian Cai, Ram Pai, Raphael Moreira Zinsly, Ravi Bangoria, Sam Bobroff, Sandipan Das, Segher Boessenkool, Stephen Rothwell, Sukadev Bhattiprolu, Tyrel Datwyler, Wolfram Sang, Xiongfeng Wang.
------------------------------------------------------------------ Alistair Popple (7): powerpc: Enable Prefixed Instructions powerpc: Add new HWCAP bits powerpc: Add support for ISA v3.1 powerpc/dt_cpu_ftrs: Advertise support for ISA v3.1 if selected powerpc/dt_cpu_ftrs: Enable Prefixed Instructions powerpc/dt_cpu_ftrs: Add MMA feature powerpc: Add POWER10 architected mode Andrew Donnellan (2): ocxl: Fix misleading comment cxl: Remove dead Kconfig options
Andrey Abramov (1): powerpc: module_[32|64].c: replace swap function with built-in one Aneesh Kumar K.V (24): mm: change pmdp_huge_get_and_clear_full take vm_area_struct as arg powerpc/pkeys: Avoid using lockless page table walk powerpc/pkeys: Check vma before returning key fault error to the user powerpc/mm/hash64: use _PAGE_PTE when checking for pte_present powerpc/hash64: Restrict page table lookup using init_mm with __flush_hash_table_range powerpc/book3s64/hash: Use the pte_t address from the caller powerpc/mce: Don't reload pte val in addr_to_pfn powerpc/perf/callchain: Use __get_user_pages_fast in read_user_stack_slow powerpc/kvm/book3s: switch from raw_spin_*lock to arch_spin_lock. powerpc/kvm/book3s: Add helper to walk partition scoped linux page table. powerpc/kvm/nested: Add helper to walk nested shadow linux page table. powerpc/kvm/book3s: Use kvm helpers to walk shadow or secondary table powerpc/kvm/book3s: Add helper for host page table walk powerpc/kvm/book3s: Use find_kvm_host_pte in page fault handler powerpc/kvm/book3s: Use find_kvm_host_pte in h_enter powerpc/kvm/book3s: use find_kvm_host_pte in pute_tce functions powerpc/kvm/book3s: Avoid using rmap to protect parallel page table update. powerpc/kvm/book3s: use find_kvm_host_pte in kvmppc_book3s_instantiate_page powerpc/kvm/book3s: Use find_kvm_host_pte in kvmppc_get_hpa powerpc/kvm/book3s: Use pte_present instead of opencoding _PAGE_PRESENT check powerpc/mm/book3s64: Avoid sending IPI on clearing PMD powerpc/mm/book3s64: Fix MADV_DONTNEED and parallel page fault race powerpc/book3s64/radix/tlb: Determine hugepage flush correctly powerpc/book3s64/kvm: Fix secondary page table walk warning during migration
Chen Zhou (1): powerpc/powernv: add NULL check after kzalloc
Christophe JAILLET (1): powerpc/powernv: Fix a warning message
Christophe Leroy (83): powerpc/uaccess: Implement unsafe_put_user() using 'asm goto' powerpc/uaccess: Implement unsafe_copy_to_user() as a simple loop powerpc/uaccess: Implement user_read_access_begin and user_write_access_begin powerpc/8xx: Update email address in MAINTAINERS drivers/powerpc: Replace _ALIGN_UP() by ALIGN() powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN() powerpc: Replace _ALIGN_UP() by ALIGN() powerpc: Replace _ALIGN() by ALIGN() powerpc: Remove _ALIGN_UP(), _ALIGN_DOWN() and _ALIGN() powerpc/kasan: Fix stack overflow by increasing THREAD_SHIFT powerpc/kasan: Fix error detection on memory allocation powerpc/kasan: Fix issues by lowering KASAN_SHADOW_END powerpc/kasan: Fix shadow pages allocation failure powerpc/kasan: Remove unnecessary page table locking powerpc/kasan: Refactor update of early shadow mappings powerpc/kasan: Declare kasan_init_region() weak powerpc/ptdump: Add _PAGE_COHERENT flag powerpc/ptdump: Display size of BATs powerpc/ptdump: Standardise display of BAT flags powerpc/ptdump: Properly handle non standard page size powerpc/ptdump: Handle hugepd at PGD level powerpc/32s: Don't warn when mapping RO data ROX. powerpc/mm: Allocate static page tables for fixmap powerpc/mm: Fix conditions to perform MMU specific management by blocks on PPC32. powerpc/mm: PTE_ATOMIC_UPDATES is only for 40x powerpc/mm: Refactor pte_update() on nohash/32 powerpc/mm: Refactor pte_update() on book3s/32 powerpc/mm: Standardise __ptep_test_and_clear_young() params between PPC32 and PPC64 powerpc/mm: Standardise pte_update() prototype between PPC32 and PPC64 powerpc/mm: Create a dedicated pte_update() for 8xx powerpc/mm: Reduce hugepd size for 8M hugepages on 8xx powerpc/8xx: Drop CONFIG_8xx_COPYBACK option powerpc/8xx: Prepare handlers for _PAGE_HUGE for 512k pages. powerpc/8xx: Manage 512k huge pages as standard pages. powerpc/8xx: Only 8M pages are hugepte pages now powerpc/8xx: MM_SLICE is not needed anymore powerpc/8xx: Move PPC_PIN_TLB options into 8xx Kconfig powerpc/8xx: Add function to set pinned TLBs powerpc/8xx: Don't set IMMR map anymore at boot powerpc/8xx: Always pin TLBs at startup. powerpc/8xx: Drop special handling of Linear and IMMR mappings in I/D TLB handlers powerpc/8xx: Remove now unused TLB miss functions powerpc/8xx: Move DTLB perf handling closer. powerpc/mm: Don't be too strict with _etext alignment on PPC32 powerpc/8xx: Refactor kernel address boundary comparison powerpc/8xx: Add a function to early map kernel via huge pages powerpc/8xx: Map IMMR with a huge page powerpc/8xx: Map linear memory with huge pages powerpc/8xx: Allow STRICT_KERNEL_RwX with pinned TLB powerpc/8xx: Allow large TLBs with DEBUG_PAGEALLOC powerpc/8xx: Implement dedicated kasan_init_region() powerpc/32s: Allow mapping with BATs with DEBUG_PAGEALLOC powerpc/32s: Implement dedicated kasan_init_region() powerpc/40x: Rework 40x PTE access and TLB miss powerpc/pgtable: Drop PTE_ATOMIC_UPDATES powerpc/40x: Remove support for IBM 403GCX powerpc/40x: Remove STB03xxx powerpc/40x: Remove WALNUT powerpc/40x: Remove EP405 powerpc/40x: Remove support for ISS Simulator powerpc/40x: Remove support for IBM 405GP powerpc/40x: Remove IBM405 Erratum #51 powerpc: Remove IBM405 Erratum #77 powerpc/40x: Avoid using r12 in TLB miss handlers powerpc/40x: Don't save CR in SPRN_SPRG_SCRATCH6 powerpc/kprobes: Use probe_address() to read instructions powerpc/52xx: Blacklist functions running with MMU disabled for kprobe powerpc/82xx: Blacklist pq2_restart() for kprobe powerpc/83xx: Blacklist mpc83xx_deep_resume() for kprobe powerpc/powermac: Blacklist functions running with MMU disabled for kprobe powerpc/mem: Blacklist flush_dcache_icache_phys() for kprobe powerpc/32s: Make local symbols non visible in hash_low. powerpc/32s: Blacklist functions running with MMU disabled for kprobe powerpc/rtas: Remove machine_check_in_rtas() powerpc/32: Blacklist functions running with MMU disabled for kprobe powerpc/entry32: Blacklist exception entry points for kprobe. powerpc/entry32: Blacklist syscall exit points for kprobe. powerpc/entry32: Blacklist exception exit points for kprobe. powerpc/8xx: Reduce time spent in allow_user_access() and friends powerpc/uaccess: Don't set KUAP by default on book3s/32 powerpc/uaccess: Don't set KUEP by default on book3s/32 powerpc/32: Disable KASAN with pages bigger than 16k powerpc/32s: Fix another build failure with CONFIG_PPC_KUAP_DEBUG
Cédric Le Goater (3): powerpc/xive: Enforce load-after-store ordering when StoreEOI is active powerpc/xive: Clear the page tables for the ESB IO mapping powerpc/xive: Do not expose a debugfs file when XIVE is disabled
Dmitry Torokhov (1): macintosh/ams-input: switch to using input device polling mode
Emmanuel Nicolet (1): ps3disk: use the default segment boundary
Gautham R. Shenoy (5): powerpc: Move idle_loop_prolog()/epilog() functions to header file powerpc/idle: Store PURR snapshot in a per-cpu global variable powerpc/pseries: Account for SPURR ticks on idle CPUs powerpc/sysfs: Show idle_purr and idle_spurr for every CPU Documentation: Document sysfs interfaces purr, spurr, idle_purr, idle_spurr
Geoff Levand (5): powerpc/head_check: Automatic verbosity powerpc/wrapper: Output linker map file powerpc/head_check: Avoid broken pipe powerpc/ps3: Fix kexec shutdown hang powerpc/ps3: Add check for otheros image size
Gustavo A. R. Silva (2): powerpc: Replace zero-length array with flexible-array powerpc/mm: Replace zero-length array with flexible-array
Haren Myneni (23): powerpc/xive: Define xive_native_alloc_irq_on_chip() powerpc/vas: Define nx_fault_stamp in coprocessor_request_block powerpc/vas: Alloc and setup IRQ and trigger port address powerpc/vas: Setup fault window per VAS instance powerpc/vas: Register NX with fault window ID and IRQ port value powerpc/vas: Take reference to PID and mm for user space windows powerpc/vas: Setup thread IRQ handler per VAS instance powerpc/vas: Update CSB and notify process for fault CRBs powerpc/vas: Return credits after handling fault powerpc/vas: Print CRB and FIFO values powerpc/vas: Do not use default credits for receive window powerpc/vas: Display process stuck message powerpc/vas: Free send window in VAS instance after credits returned powerpc: Use mm_context vas_windows counter to issue CP_ABORT powerpc/vas: Initialize window attributes for GZIP coprocessor type powerpc/vas: Define VAS_TX_WIN_OPEN ioctl API powerpc/vas: Add VAS user space API crypto/nx: Initialize coproc entry with kzalloc crypto/nx: Rename nx-842-powernv file name to nx-common-powernv crypto/nx: Make enable code generic to add new GZIP compression type crypto/nx: Enable and setup GZIP compression type crypto/nx: Remove 'pid' in vas_tx_win_attr struct Documentation/powerpc: VAS API
Hari Bathini (3): powerpc/fadump: use static allocation for reserved memory ranges powerpc/fadump: consider reserved ranges while reserving memory powerpc/fadump: Account for memory_limit while reserving memory
Jordan Niethe (30): powerpc/xmon: Remove store_inst() for patch_instruction() powerpc/xmon: Move breakpoint instructions to own array powerpc/xmon: Move breakpoints to text section powerpc/xmon: Use bitwise calculations in_breakpoint_table() powerpc: Change calling convention for create_branch() et. al. powerpc: Use a macro for creating instructions from u32s powerpc: Use an accessor for instructions powerpc: Use a function for getting the instruction op code powerpc: Use a function for byte swapping instructions powerpc: Introduce functions for instruction equality powerpc: Use a datatype for instructions powerpc: Use a function for reading instructions powerpc: Add a probe_user_read_inst() function powerpc: Add a probe_kernel_read_inst() function powerpc/kprobes: Use patch_instruction() powerpc: Define and use get_user_instr() et. al. powerpc: Introduce a function for reporting instruction length powerpc/xmon: Use a function for reading instructions powerpc/xmon: Move insertion of breakpoint for xol'ing powerpc: Make test_translate_branch() independent of instruction length powerpc: Define new SRR1 bits for a ISA v3.1 powerpc/optprobes: Add register argument to patch_imm64_load_insns() powerpc: Add prefixed instructions to instruction data type powerpc: Test prefixed code patching powerpc: Test prefixed instructions in feature fixups powerpc/xmon: Don't allow breakpoints on suffixes powerpc/kprobes: Don't allow breakpoints on suffixes powerpc: Support prefixed instructions in alignment handler powerpc sstep: Add support for prefixed load/stores powerpc sstep: Add support for prefixed fixed-point arithmetic
Kajol Jain (5): powerpc/perf/hv-24x7: Fix inconsistent output values incase multiple hv-24x7 events run powerpc/hv-24x7: Add rtas call in hv-24x7 driver to get processor details powerpc/hv-24x7: Add sysfs files inside hv-24x7 device to show processor details Documentation/ABI: Add ABI documentation for chips and sockets powerpc/pseries: Update hv-24x7 information after migration
Leonardo Bras (4): powerpc/kernel: Enables memory hot-remove after reboot on pseries guests powerpc/crash: Use NMI context for printk when starting to crash powerpc/rtas: Move type/struct definitions from rtas.h into rtas-types.h powerpc/rtas: Implement reentrant rtas call
Markus Elfring (2): drivers/ps3: Remove duplicate error messages net/ps3_gelic_net: Remove duplicate error message
Michael Ellerman (24): Merge VAS page fault handling into next Merge NX gzip support into next Merge branch 'topic/uaccess' into topic/uaccess-ppc Merge tag 'kvm-ppc-fixes-5.7-1' into topic/ppc-kvm Merge the lockless page table walk rework into next powerpc/uaccess: Don't use "m<>" constraint powerpc/64: Don't initialise init_task->thread.regs powerpc: Drop unneeded cast in task_pt_regs() selftests/powerpc: Add a test of counting larx/stcx drivers/macintosh: Fix memleak in windfarm_pm112 driver powerpc/64: Update Speculation_Store_Bypass in /proc/<pid>/status Merge branch 'topic/uaccess-ppc' into next Merge branch 'topic/ppc-kvm' into next Merge "Use hugepages to map kernel mem on 8xx" into next Merge branch 'fixes' into next powerpc: Add ppc_inst_next() powerpc: Add ppc_inst_as_u64() powerpc/configs/64s: Enable CONFIG_PRINTK_CALLER powerpc/xmon: Show task->thread.regs in process display powerpc/64s: Don't init FSCR_DSCR in __init_FSCR() powerpc/64s: Don't let DT CPU features set FSCR_DSCR powerpc/64s: Save FSCR to init_task.thread.fscr after feature init powerpc/64s: Don't set FSCR bits in INIT_THREAD Merge branch 'topic/ppc-kvm' into next
Michael Neuling (3): powerpc/tm: Document h/rfid and mtmsrd quirk powerpc: Fix misleading small cores print powerpc/configs: Add LIBNVDIMM to ppc64_defconfig
Michal Simek (2): powerpc: Remove Xilinx PPC405/PPC440 support sound: ac97: Remove sound driver for ancient platform
Nathan Chancellor (2): powerpc/wii: Fix declaration made after definition input: i8042 - Remove special PowerPC handling
Naveen N. Rao (4): powerpc/64: Have MPROFILE_KERNEL depend on FUNCTION_TRACER powerpc/module_64: Consolidate ftrace code powerpc/module_64: Simplify check for -mprofile-kernel ftrace relocations powerpc/module_64: Use special stub for _mcount() with -mprofile-kernel
Nicholas Piggin (26): powerpc/64s: Always has full regs, so remove remnant checks powerpc: Use set_trap() and avoid open-coding trap masking powerpc: trap_is_syscall() helper to hide syscall trap number powerpc: Use trap metadata to prevent double restart rather than zeroing trap powerpc/64s/exception: Fix machine check no-loss idle wakeup powerpc/64s/exceptions: Fix in_mce accounting in unrecoverable path powerpc/64s/exceptions: Change irq reconcile for NMIs from reusing _DAR to RESULT powerpc/64s/exceptions: Machine check reconcile irq state powerpc/pseries/ras: Avoid calling rtas_token() in NMI paths powerpc/pseries/ras: Fix FWNMI_VALID off by one powerpc/pseries/ras: fwnmi avoid modifying r3 in error case powerpc/pseries/ras: fwnmi sreset should not interlock powerpc/pseries: Limit machine check stack to 4GB powerpc/pseries: Machine check use rtas_call_unlocked() with args on stack powerpc/64s: machine check interrupt update NMI accounting powerpc: Implement ftrace_enabled() helpers powerpc/64s: machine check do not trace real-mode handler powerpc/traps: Do not trace system reset powerpc/traps: Make unrecoverable NMIs die instead of panic powerpc/64s: Fix early_init_mmu section mismatch powerpc/64s/hash: Add stress_slb kernel boot option to increase SLB faults powerpc/64s/radix: Don't prefetch DAR in update_mmu_cache powerpc/64: Refactor interrupt exit irq disabling sequence powerpc/64s/kuap: Add missing isync to KUAP restore paths powerpc/64/kuap: Conditionally restore AMR in interrupt exit powerpc/64s/kuap: Conditionally restore AMR in kuap_restore_amr asm
Oliver O'Halloran (14): powerpc/powernv/npu: Clean up compound table group initialisation powerpc/powernv/iov: Don't add VFs to iommu group during PE config powerpc/powernv/pci: Register iommu group at PE DMA setup powerpc/powernv/pci: Add device to iommu group during dma_dev_setup() powerpc/powernv/pci: Delete old iommu recursive iommu setup powerpc/powernv/pci: Move tce size parsing to pci-ioda-tce.c powerpc/powernv/npu: Move IOMMU group setup into npu-dma.c powerpc/powernv: Add a print indicating when an IODA PE is released powerpc/powernv/pci: Add an explaination for PNV_IODA_PE_BUS_ALL powerpc/powernv/pci: Add helper to find ioda_pe from BDFN powerpc/powernv/pci: Re-work bus PE configuration powerpc/powernv/pci: Reserve the root bus PE during init powerpc/powernv/pci: Sprinkle around some WARN_ON()s powerpc/pseries: Make vio and ibmebus initcalls pseries specific
Pingfan Liu (1): powerpc/crashkernel: Take "mem=" option into account
Qian Cai (1): powerpc/64s/pgtable: fix an undefined behaviour
Ram Pai (1): powerpc/xive: Share the event-queue page with the Hypervisor.
Raphael Moreira Zinsly (5): selftests/powerpc: Add header files for GZIP engine test selftests/powerpc: Add header files for NX compresion/decompression selftests/powerpc: Add NX-GZIP engine compress testcase selftests/powerpc: Add NX-GZIP engine decompress testcase selftests/powerpc: Add README for GZIP engine tests
Ravi Bangoria (17): powerpc/watchpoint: Rename current DAWR macros powerpc/watchpoint: Add SPRN macros for second DAWR powerpc/watchpoint: Introduce function to get nr watchpoints dynamically powerpc/watchpoint/ptrace: Return actual num of available watchpoints powerpc/watchpoint: Provide DAWR number to set_dawr powerpc/watchpoint: Provide DAWR number to __set_breakpoint powerpc/watchpoint: Get watchpoint count dynamically while disabling them powerpc/watchpoint: Disable all available watchpoints when !dawr_force_enable powerpc/watchpoint: Convert thread_struct->hw_brk to an array powerpc/watchpoint: Use loop for thread_struct->ptrace_bps powerpc/watchpoint: Introduce is_ptrace_bp() function powerpc/watchpoint: Use builtin ALIGN*() macros powerpc/watchpoint: Prepare handler to handle more than one watchpoint powerpc/watchpoint: Don't allow concurrent perf and ptrace events powerpc/watchpoint/xmon: Don't allow breakpoint overwriting powerpc/watchpoint/xmon: Support 2nd DAWR hw-breakpoints: Fix build warnings with clang
Sam Bobroff (2): powerpc/eeh: Fix pseries_eeh_configure_bridge() powerpc/eeh: Release EEH device state synchronously
Stephen Rothwell (1): powerpc/vas: Include linux/types.h in uapi/asm/vas-api.h
Wolfram Sang (1): powerpc/5200: update contact email
Xiongfeng Wang (1): powerpc/ps3: Move static keyword to the front of declaration
huhai (1): powerpc/4xx: Don't unmap NULL mbase
Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 | 21 + Documentation/ABI/testing/sysfs-devices-system-cpu | 39 + Documentation/admin-guide/kernel-parameters.txt | 5 + Documentation/devicetree/bindings/xilinx.txt | 143 --- Documentation/powerpc/bootwrapper.rst | 28 +- Documentation/powerpc/index.rst | 1 + Documentation/powerpc/transactional_memory.rst | 27 + Documentation/powerpc/vas-api.rst | 292 +++++ Documentation/userspace-api/ioctl/ioctl-number.rst | 1 + MAINTAINERS | 2 +- arch/powerpc/Kconfig | 69 +- arch/powerpc/Kconfig.debug | 2 +- arch/powerpc/boot/Makefile | 14 +- arch/powerpc/boot/dts/Makefile | 1 - arch/powerpc/boot/dts/ep405.dts | 230 ---- arch/powerpc/boot/dts/pcm032.dts | 4 +- arch/powerpc/boot/dts/virtex440-ml507.dts | 406 ------ arch/powerpc/boot/dts/virtex440-ml510.dts | 466 ------- arch/powerpc/boot/dts/walnut.dts | 246 ---- arch/powerpc/boot/ep405.c | 71 -- arch/powerpc/boot/ops.h | 1 - arch/powerpc/boot/serial.c | 5 - arch/powerpc/boot/treeboot-walnut.c | 81 -- arch/powerpc/boot/uartlite.c | 79 -- arch/powerpc/boot/virtex.c | 97 -- arch/powerpc/boot/virtex405-head.S | 31 - arch/powerpc/boot/wrapper | 26 +- arch/powerpc/configs/40x/acadia_defconfig | 1 - arch/powerpc/configs/40x/ep405_defconfig | 62 - arch/powerpc/configs/40x/kilauea_defconfig | 1 - arch/powerpc/configs/40x/klondike_defconfig | 1 - arch/powerpc/configs/40x/makalu_defconfig | 1 - arch/powerpc/configs/40x/obs600_defconfig | 1 - arch/powerpc/configs/40x/virtex_defconfig | 75 -- arch/powerpc/configs/44x/virtex5_defconfig | 74 -- arch/powerpc/configs/adder875_defconfig | 1 - arch/powerpc/configs/ep88xc_defconfig | 1 - arch/powerpc/configs/mpc866_ads_defconfig | 1 - arch/powerpc/configs/mpc885_ads_defconfig | 1 - arch/powerpc/configs/powernv_defconfig | 1 + arch/powerpc/configs/ppc40x_defconfig | 9 - arch/powerpc/configs/ppc44x_defconfig | 8 - arch/powerpc/configs/ppc64_defconfig | 2 + arch/powerpc/configs/pseries_defconfig | 1 + arch/powerpc/configs/tqm8xx_defconfig | 1 - arch/powerpc/include/asm/asm-405.h | 19 - arch/powerpc/include/asm/atomic.h | 11 - arch/powerpc/include/asm/bitops.h | 4 - arch/powerpc/include/asm/book3s/32/kup.h | 7 +- arch/powerpc/include/asm/book3s/32/pgtable.h | 82 +- arch/powerpc/include/asm/book3s/64/kup-radix.h | 41 +- arch/powerpc/include/asm/book3s/64/mmu.h | 5 +- arch/powerpc/include/asm/book3s/64/pgtable.h | 50 +- arch/powerpc/include/asm/book3s/64/tlbflush-hash.h | 3 +- arch/powerpc/include/asm/cache.h | 2 +- arch/powerpc/include/asm/cmpxchg.h | 11 - arch/powerpc/include/asm/code-patching.h | 37 +- arch/powerpc/include/asm/cputable.h | 22 +- arch/powerpc/include/asm/debug.h | 2 +- arch/powerpc/include/asm/drmem.h | 1 + arch/powerpc/include/asm/fadump-internal.h | 4 +- arch/powerpc/include/asm/firmware.h | 1 + arch/powerpc/include/asm/fixmap.h | 4 + arch/powerpc/include/asm/ftrace.h | 14 + arch/powerpc/include/asm/futex.h | 3 - arch/powerpc/include/asm/hugetlb.h | 4 - arch/powerpc/include/asm/hw_breakpoint.h | 31 +- arch/powerpc/include/asm/icswx.h | 20 +- arch/powerpc/include/asm/idle.h | 93 ++ arch/powerpc/include/asm/inst.h | 131 ++ arch/powerpc/include/asm/iommu.h | 4 +- arch/powerpc/include/asm/kasan.h | 10 +- arch/powerpc/include/asm/kprobes.h | 2 +- arch/powerpc/include/asm/kup.h | 14 +- arch/powerpc/include/asm/kvm_book3s.h | 2 +- arch/powerpc/include/asm/kvm_book3s_64.h | 44 +- arch/powerpc/include/asm/mmu.h | 10 +- arch/powerpc/include/asm/mmu_context.h | 30 + arch/powerpc/include/asm/module.h | 3 - arch/powerpc/include/asm/nohash/32/hugetlb-8xx.h | 32 +- arch/powerpc/include/asm/nohash/32/mmu-8xx.h | 90 +- arch/powerpc/include/asm/nohash/32/pgtable.h | 120 +- arch/powerpc/include/asm/nohash/32/pte-40x.h | 23 +- arch/powerpc/include/asm/nohash/32/pte-8xx.h | 4 +- arch/powerpc/include/asm/nohash/32/slice.h | 20 - arch/powerpc/include/asm/nohash/64/pgtable.h | 28 +- arch/powerpc/include/asm/nohash/pgtable.h | 4 +- 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arch/powerpc/kernel/idle_e500.S | 1 + arch/powerpc/kernel/jump_label.c | 5 +- arch/powerpc/kernel/kgdb.c | 9 +- arch/powerpc/kernel/kprobes.c | 47 +- arch/powerpc/kernel/l2cr_6xx.S | 1 + arch/powerpc/kernel/mce.c | 16 +- arch/powerpc/kernel/mce_power.c | 19 +- arch/powerpc/kernel/misc.S | 2 + arch/powerpc/kernel/misc_32.S | 11 +- arch/powerpc/kernel/module_32.c | 17 +- arch/powerpc/kernel/module_64.c | 301 ++--- arch/powerpc/kernel/nvram_64.c | 4 +- arch/powerpc/kernel/optprobes.c | 99 +- arch/powerpc/kernel/optprobes_head.S | 3 + arch/powerpc/kernel/paca.c | 32 + arch/powerpc/kernel/pci-hotplug.c | 2 - arch/powerpc/kernel/pci_64.c | 6 +- arch/powerpc/kernel/process.c | 113 +- arch/powerpc/kernel/prom.c | 38 +- arch/powerpc/kernel/prom_init.c | 36 +- arch/powerpc/kernel/ptrace/ptrace-noadv.c | 72 +- arch/powerpc/kernel/ptrace/ptrace-tm.c | 2 +- arch/powerpc/kernel/ptrace/ptrace-view.c | 2 +- arch/powerpc/kernel/ptrace/ptrace32.c | 4 +- arch/powerpc/kernel/rtas.c | 52 + arch/powerpc/kernel/security.c | 48 +- arch/powerpc/kernel/setup-common.c | 4 - arch/powerpc/kernel/setup_32.c | 10 +- arch/powerpc/kernel/setup_64.c | 15 +- arch/powerpc/kernel/signal.c | 22 +- arch/powerpc/kernel/signal_32.c | 2 +- arch/powerpc/kernel/signal_64.c | 10 +- arch/powerpc/kernel/smp.c | 2 +- arch/powerpc/kernel/swsusp_32.S | 2 + arch/powerpc/kernel/syscall_64.c | 72 +- arch/powerpc/kernel/sysfs.c | 82 +- arch/powerpc/kernel/trace/ftrace.c | 168 +-- arch/powerpc/kernel/traps.c | 46 +- arch/powerpc/kernel/uprobes.c | 5 +- arch/powerpc/kernel/vecemu.c | 20 +- arch/powerpc/kernel/vector.S | 1 + arch/powerpc/kernel/vmlinux.lds.S | 3 +- arch/powerpc/kexec/core.c | 8 +- arch/powerpc/kexec/crash.c | 3 + arch/powerpc/kvm/book3s_64_mmu_hv.c | 13 +- arch/powerpc/kvm/book3s_64_mmu_radix.c | 71 +- arch/powerpc/kvm/book3s_64_vio_hv.c | 66 +- arch/powerpc/kvm/book3s_hv.c | 15 +- arch/powerpc/kvm/book3s_hv_nested.c | 39 +- arch/powerpc/kvm/book3s_hv_rm_mmu.c | 60 +- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 23 +- arch/powerpc/kvm/book3s_xive_native.c | 6 + arch/powerpc/kvm/book3s_xive_template.c | 3 + arch/powerpc/kvm/emulate_loadstore.c | 2 +- arch/powerpc/lib/Makefile | 2 +- arch/powerpc/lib/code-patching.c | 307 +++-- arch/powerpc/lib/feature-fixups-test.S | 69 ++ arch/powerpc/lib/feature-fixups.c | 163 ++- arch/powerpc/lib/inst.c | 73 ++ arch/powerpc/lib/sstep.c | 460 ++++--- arch/powerpc/lib/test_code-patching.S | 20 + arch/powerpc/lib/test_emulate_step.c | 56 +- arch/powerpc/mm/book3s32/hash_low.S | 32 +- arch/powerpc/mm/book3s32/mmu.c | 12 +- arch/powerpc/mm/book3s64/hash_pgtable.c | 11 - arch/powerpc/mm/book3s64/hash_tlb.c | 22 +- arch/powerpc/mm/book3s64/hash_utils.c | 72 +- arch/powerpc/mm/book3s64/internal.h | 16 + arch/powerpc/mm/book3s64/pgtable.c | 37 +- arch/powerpc/mm/book3s64/radix_pgtable.c | 21 +- arch/powerpc/mm/book3s64/radix_tlb.c | 4 +- arch/powerpc/mm/book3s64/slb.c | 166 ++- arch/powerpc/mm/fault.c | 92 +- arch/powerpc/mm/hugetlbpage.c | 43 +- arch/powerpc/mm/init_32.c | 12 +- arch/powerpc/mm/init_64.c | 4 +- arch/powerpc/mm/kasan/8xx.c | 74 ++ arch/powerpc/mm/kasan/Makefile | 2 + arch/powerpc/mm/kasan/book3s_32.c | 57 + arch/powerpc/mm/kasan/kasan_init_32.c | 88 +- arch/powerpc/mm/mem.c | 2 + arch/powerpc/mm/mmu_decl.h | 4 + arch/powerpc/mm/nohash/40x.c | 4 +- arch/powerpc/mm/nohash/8xx.c | 227 ++-- arch/powerpc/mm/pgtable.c | 34 +- arch/powerpc/mm/pgtable_32.c | 22 +- arch/powerpc/mm/ptdump/8xx.c | 5 + arch/powerpc/mm/ptdump/bats.c | 41 +- arch/powerpc/mm/ptdump/ptdump.c | 73 +- arch/powerpc/mm/ptdump/ptdump.h | 3 + arch/powerpc/mm/ptdump/shared.c | 5 + arch/powerpc/mm/slice.c | 2 +- arch/powerpc/perf/8xx-pmu.c | 19 +- arch/powerpc/perf/callchain_64.c | 46 +- arch/powerpc/perf/core-book3s.c | 4 +- arch/powerpc/perf/hv-24x7.c | 96 +- arch/powerpc/platforms/40x/Kconfig | 76 -- arch/powerpc/platforms/40x/Makefile | 3 - arch/powerpc/platforms/40x/ep405.c | 123 -- arch/powerpc/platforms/40x/virtex.c | 54 - arch/powerpc/platforms/40x/walnut.c | 65 - arch/powerpc/platforms/44x/Kconfig | 40 +- arch/powerpc/platforms/44x/Makefile | 2 - arch/powerpc/platforms/44x/virtex.c | 60 - arch/powerpc/platforms/44x/virtex_ml510.c | 30 - arch/powerpc/platforms/4xx/pci.c | 4 +- arch/powerpc/platforms/52xx/lite5200_sleep.S | 2 + arch/powerpc/platforms/82xx/pq2.c | 3 + arch/powerpc/platforms/83xx/suspend-asm.S | 1 + arch/powerpc/platforms/86xx/mpc86xx_smp.c | 5 +- arch/powerpc/platforms/8xx/Kconfig | 50 +- arch/powerpc/platforms/Kconfig | 4 - arch/powerpc/platforms/Kconfig.cputype | 6 +- arch/powerpc/platforms/cell/iommu.c | 6 +- arch/powerpc/platforms/embedded6xx/wii.c | 25 +- arch/powerpc/platforms/powermac/bootx_init.c | 14 +- arch/powerpc/platforms/powermac/cache.S | 2 + arch/powerpc/platforms/powermac/nvram.c | 2 +- arch/powerpc/platforms/powermac/sleep.S | 5 +- arch/powerpc/platforms/powermac/smp.c | 5 +- arch/powerpc/platforms/powernv/Makefile | 2 +- arch/powerpc/platforms/powernv/idle.c | 2 +- arch/powerpc/platforms/powernv/npu-dma.c | 117 +- arch/powerpc/platforms/powernv/opal-fadump.c | 2 +- arch/powerpc/platforms/powernv/opal.c | 4 + arch/powerpc/platforms/powernv/pci-ioda-tce.c | 28 + arch/powerpc/platforms/powernv/pci-ioda.c | 299 ++--- arch/powerpc/platforms/powernv/pci.c | 20 - arch/powerpc/platforms/powernv/pci.h | 28 +- arch/powerpc/platforms/powernv/vas-api.c | 278 +++++ arch/powerpc/platforms/powernv/vas-debug.c | 2 +- arch/powerpc/platforms/powernv/vas-fault.c | 382 ++++++ arch/powerpc/platforms/powernv/vas-window.c | 238 +++- arch/powerpc/platforms/powernv/vas.c | 85 +- arch/powerpc/platforms/powernv/vas.h | 59 +- arch/powerpc/platforms/ps3/mm.c | 52 +- arch/powerpc/platforms/ps3/setup.c | 2 +- arch/powerpc/platforms/pseries/eeh_pseries.c | 8 +- arch/powerpc/platforms/pseries/ibmebus.c | 3 +- arch/powerpc/platforms/pseries/mobility.c | 3 + arch/powerpc/platforms/pseries/ras.c | 62 +- arch/powerpc/platforms/pseries/rtas-fadump.c | 2 +- arch/powerpc/platforms/pseries/setup.c | 22 +- arch/powerpc/platforms/pseries/vio.c | 7 +- arch/powerpc/sysdev/Makefile | 2 - arch/powerpc/sysdev/cpm_common.c | 2 + arch/powerpc/sysdev/xics/ics-rtas.c | 22 +- arch/powerpc/sysdev/xilinx_intc.c | 88 -- arch/powerpc/sysdev/xilinx_pci.c | 132 -- arch/powerpc/sysdev/xive/common.c | 13 +- arch/powerpc/sysdev/xive/native.c | 6 +- arch/powerpc/sysdev/xive/spapr.c | 7 + arch/powerpc/tools/head_check.sh | 8 +- arch/powerpc/xmon/Makefile | 2 +- arch/powerpc/xmon/xmon.c | 229 ++-- arch/powerpc/xmon/xmon_bpts.S | 11 + arch/powerpc/xmon/xmon_bpts.h | 14 + arch/s390/include/asm/pgtable.h | 4 +- drivers/block/ps3disk.c | 1 - drivers/char/Kconfig | 2 +- drivers/cpuidle/cpuidle-pseries.c | 39 +- drivers/crypto/nx/Makefile | 2 +- drivers/crypto/nx/{nx-842-powernv.c => nx-common-powernv.c} | 204 ++- drivers/input/serio/i8042-ppcio.h | 57 - drivers/input/serio/i8042.h | 2 - drivers/macintosh/Kconfig | 1 - drivers/macintosh/ams/ams-input.c | 37 +- drivers/macintosh/ams/ams.h | 4 +- drivers/macintosh/windfarm_pm112.c | 21 +- drivers/misc/cxl/Kconfig | 8 - drivers/misc/ocxl/context.c | 2 +- drivers/net/ethernet/toshiba/ps3_gelic_net.c | 2 - drivers/ps3/ps3-lpm.c | 8 +- drivers/ps3/ps3-vuart.c | 5 +- drivers/vfio/pci/vfio_pci_nvlink2.c | 2 +- drivers/video/fbdev/Kconfig | 2 +- drivers/video/fbdev/ps3fb.c | 4 +- include/asm-generic/pgtable.h | 4 +- include/linux/hw_breakpoint.h | 4 + kernel/events/hw_breakpoint.c | 16 + mm/huge_memory.c | 4 +- sound/drivers/Kconfig | 12 - sound/drivers/Makefile | 2 - sound/drivers/ml403-ac97cr.c | 1298 -------------------- sound/drivers/pcm-indirect2.c | 560 --------- sound/drivers/pcm-indirect2.h | 127 -- sound/ppc/snd_ps3.c | 2 +- tools/testing/selftests/powerpc/Makefile | 1 + tools/testing/selftests/powerpc/nx-gzip/99-nx-gzip.rules | 1 + tools/testing/selftests/powerpc/nx-gzip/Makefile | 8 + tools/testing/selftests/powerpc/nx-gzip/README | 45 + tools/testing/selftests/powerpc/nx-gzip/gunz_test.c | 1028 ++++++++++++++++ tools/testing/selftests/powerpc/nx-gzip/gzfht_test.c | 433 +++++++ tools/testing/selftests/powerpc/nx-gzip/gzip_vas.c | 316 +++++ tools/testing/selftests/powerpc/nx-gzip/include/copy-paste.h | 56 + tools/testing/selftests/powerpc/nx-gzip/include/crb.h | 155 +++ tools/testing/selftests/powerpc/nx-gzip/include/nx.h | 38 + tools/testing/selftests/powerpc/nx-gzip/include/nx_dbg.h | 95 ++ tools/testing/selftests/powerpc/nx-gzip/include/nxu.h | 650 ++++++++++ tools/testing/selftests/powerpc/nx-gzip/include/vas-api.h | 1 + tools/testing/selftests/powerpc/nx-gzip/nx-gzip-test.sh | 46 + tools/testing/selftests/powerpc/pmu/.gitignore | 1 + tools/testing/selftests/powerpc/pmu/Makefile | 8 +- tools/testing/selftests/powerpc/pmu/count_stcx_fail.c | 161 +++ tools/testing/selftests/powerpc/pmu/ebb/trace.h | 4 +- tools/testing/selftests/powerpc/pmu/loop.S | 35 + tools/testing/selftests/powerpc/signal/Makefile | 2 +- tools/testing/selftests/powerpc/signal/sig_sc_double_restart.c | 174 +++ 343 files changed, 10392 insertions(+), 8589 deletions(-) create mode 100644 Documentation/powerpc/vas-api.rst delete mode 100644 arch/powerpc/boot/dts/ep405.dts delete mode 100644 arch/powerpc/boot/dts/virtex440-ml507.dts delete mode 100644 arch/powerpc/boot/dts/virtex440-ml510.dts delete mode 100644 arch/powerpc/boot/dts/walnut.dts delete mode 100644 arch/powerpc/boot/ep405.c delete mode 100644 arch/powerpc/boot/treeboot-walnut.c delete mode 100644 arch/powerpc/boot/uartlite.c delete mode 100644 arch/powerpc/boot/virtex.c delete mode 100644 arch/powerpc/boot/virtex405-head.S delete mode 100644 arch/powerpc/configs/40x/ep405_defconfig delete mode 100644 arch/powerpc/configs/40x/virtex_defconfig delete mode 100644 arch/powerpc/configs/44x/virtex5_defconfig delete mode 100644 arch/powerpc/include/asm/asm-405.h create mode 100644 arch/powerpc/include/asm/idle.h create mode 100644 arch/powerpc/include/asm/inst.h 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