From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-x234.google.com (mail-wi0-x234.google.com [IPv6:2a00:1450:400c:c05::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id A4B1D1A0099 for ; Mon, 8 Jun 2015 23:24:58 +1000 (AEST) Received: by wibdq8 with SMTP id dq8so85190677wib.1 for ; Mon, 08 Jun 2015 06:24:54 -0700 (PDT) Received: from localhost ([47.59.123.37]) by mx.google.com with ESMTPSA id wi1sm4285309wjb.41.2015.06.08.06.24.53 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 08 Jun 2015 06:24:53 -0700 (PDT) Message-ID: <557597A2.1030309@gmail.com> Date: Mon, 08 Jun 2015 15:24:50 +0200 From: Xose Vazquez Perez MIME-Version: 1.0 To: linuxppc-dev@lists.ozlabs.org Subject: Generic kernel features that need architecture(powerpc) support Content-Type: text/plain; charset=utf-8 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, If there is anything wrong, please report it in this thread: https://marc.info/?t=143332955700003 The meaning of entries in the tables is: | ok | # feature supported by the architecture |TODO| # feature not yet supported by the architecture | .. | # feature cannot be supported by the hardware # # Kernel feature support matrix of the 'powerpc' architecture: # time/ irq-time-acct : .. | HAVE_IRQ_TIME_ACCOUNTING # arch supports precise IRQ time accounting core/ BPF-JIT : ok | HAVE_BPF_JIT # arch supports BPF JIT optimizations core/ generic-idle-thread : ok | GENERIC_SMP_IDLE_THREAD # arch makes use of the generic SMP idle thread facility core/ jump-labels : ok | HAVE_ARCH_JUMP_LABEL # arch supports live patched, high efficiency branches core/ tracehook : ok | HAVE_ARCH_TRACEHOOK # arch supports tracehook (ptrace) register handling APIs debug/ gcov-profile-all : ok | ARCH_HAS_GCOV_PROFILE_ALL # arch supports whole-kernel GCOV code coverage profiling debug/ kgdb : ok | HAVE_ARCH_KGDB # arch supports the kGDB kernel debugger debug/ kprobes : ok | HAVE_KPROBES # arch supports live patched kernel probe debug/ kretprobes : ok | HAVE_KRETPROBES # arch supports kernel function-return probes debug/ uprobes : ok | ARCH_SUPPORTS_UPROBES # arch supports live patched user probes io/ dma-api-debug : ok | HAVE_DMA_API_DEBUG # arch supports DMA debug facilities io/ dma_map_attrs : ok | HAVE_DMA_ATTRS # arch provides dma_*map*_attrs() APIs io/ sg-chain : ok | ARCH_HAS_SG_CHAIN # arch supports chained scatter-gather lists locking/ lockdep : ok | LOCKDEP_SUPPORT # arch supports the runtime locking correctness debug facility perf/ kprobes-event : ok | HAVE_REGS_AND_STACK_ACCESS_API # arch supports kprobes with perf events sched/ numa-balancing : ok | ARCH_SUPPORTS_NUMA_BALANCING # arch supports NUMA balancing time/ arch-tick-broadcast : ok | ARCH_HAS_TICK_BROADCAST # arch provides tick_broadcast() time/ clockevents : ok | GENERIC_CLOCKEVENTS # arch support generic clock events time/ context-tracking : ok | HAVE_CONTEXT_TRACKING # arch supports context tracking for NO_HZ_FULL time/ modern-timekeeping : ok | !ARCH_USES_GETTIMEOFFSET # arch does not use arch_gettimeoffset() anymore time/ virt-cpuacct : ok | HAVE_VIRT_CPU_ACCOUNTING # arch supports precise virtual CPU time accounting vm/ ELF-ASLR : ok | ARCH_HAS_ELF_RANDOMIZE # arch randomizes the stack, heap and binary images of ELF binaries vm/ ioremap_prot : ok | HAVE_IOREMAP_PROT # arch has ioremap_prot() vm/ numa-memblock : ok | HAVE_MEMBLOCK_NODE_MAP # arch supports NUMA aware memblocks vm/ pmdp_splitting_flush : ok | __HAVE_ARCH_PMDP_SPLITTING_FLUSH # arch supports the pmdp_splitting_flush() VM API vm/ pte_special : ok | __HAVE_ARCH_PTE_SPECIAL # arch supports the pte_special()/pte_mkspecial() VM APIs vm/ THP : ok | HAVE_ARCH_TRANSPARENT_HUGEPAGE # arch supports transparent hugepages debug/ KASAN : TODO | HAVE_ARCH_KASAN # arch supports the KASAN runtime memory checker debug/ kprobes-on-ftrace : TODO | HAVE_KPROBES_ON_FTRACE # arch supports combined kprobes and ftrace live patching debug/ optprobes : TODO | HAVE_OPTPROBES # arch supports live patched optprobes debug/ stackprotector : TODO | HAVE_CC_STACKPROTECTOR # arch supports compiler driven stack overflow protection debug/ user-ret-profiler : TODO | HAVE_USER_RETURN_NOTIFIER # arch supports user-space return from system call profiler io/ dma-contiguous : TODO | HAVE_DMA_CONTIGUOUS # arch supports the DMA CMA (continuous memory allocator) lib/ strncasecmp : TODO | __HAVE_ARCH_STRNCASECMP # arch provides an optimized strncasecmp() function locking/ cmpxchg-local : TODO | HAVE_CMPXCHG_LOCAL # arch supports the this_cpu_cmpxchg() API locking/ queued-rwlocks : TODO | ARCH_USE_QUEUED_RWLOCKS # arch supports queued rwlocks locking/ queued-spinlocks : TODO | ARCH_USE_QUEUED_SPINLOCKS # arch supports queued spinlocks locking/ rwsem-optimized : TODO | Optimized asm/rwsem.h # arch provides optimized rwsem APIs perf/ perf-regs : TODO | HAVE_PERF_REGS # arch supports perf events register access perf/ perf-stackdump : TODO | HAVE_PERF_USER_STACK_DUMP # arch supports perf events stack dumps seccomp/ seccomp-filter : TODO | HAVE_ARCH_SECCOMP_FILTER # arch supports seccomp filters vm/ huge-vmap : TODO | HAVE_ARCH_HUGE_VMAP # arch supports the ioremap_pud_enabled() and ioremap_pmd_enabled() VM APIs vm/ PG_uncached : TODO | ARCH_USES_PG_UNCACHED # arch supports the PG_uncached page flag