• Linus Torvalds's avatar
    Merge tag 'powerpc-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux · 07021b43
    Linus Torvalds authored
    Pull powerpc updates from Michael Ellerman:
     "Highlights:
       - Major rework of Book3S 64-bit exception vectors (Nicholas Piggin)
       - Use gas sections for arranging exception vectors et. al.
       - Large set of TM cleanups and selftests (Cyril Bur)
       - Enable transactional memory (TM) lazily for userspace (Cyril Bur)
       - Support for XZ compression in the zImage wrapper (Oliver
         O'Halloran)
       - Add support for bpf constant blinding (Naveen N. Rao)
       - Beginnings of upstream support for PA Semi Nemo motherboards
         (Darren Stevens)
    
      Fixes:
       - Ensure .mem(init|exit).text are within _stext/_etext (Michael
         Ellerman)
       - xmon: Don't use ld on 32-bit (Michael Ellerman)
       - vdso64: Use double word compare on pointers (Anton Blanchard)
       - powerpc/nvram: Fix an incorrect partition merge (Pan Xinhui)
       - powerpc: Fix usage of _PAGE_RO in hugepage (Christophe Leroy)
       - powerpc/mm: Update FORCE_MAX_ZONEORDER range to allow hugetlb w/4K
         (Aneesh Kumar K.V)
       - Fix memory leak in queue_hotplug_event() error path (Andrew
         Donnellan)
       - Replay hypervisor maintenance interrupt first (Nicholas Piggin)
    
      Various performance optimisations (Anton Blanchard):
       - Align hot loops of memset() and backwards_memcpy()
       - During context switch, check before setting mm_cpumask
       - Remove static branch prediction in atomic{, 64}_add_unless
       - Only disable HAVE_EFFICIENT_UNALIGNED_ACCESS on POWER7 little
         endian
       - Set default CPU type to POWER8 for little endian builds
    
      Cleanups & features:
       - Sparse fixes/cleanups (Daniel Axtens)
       - Preserve CFAR value on SLB miss caused by access to bogus address
         (Paul Mackerras)
       - Radix MMU fixups for POWER9 (Aneesh Kumar K.V)
       - Support for setting used_(vsr|vr|spe) in sigreturn path (for CRIU)
         (Simon Guo)
       - Optimise syscall entry for virtual, relocatable case (Nicholas
         Piggin)
       - Optimise MSR handling in exception handling (Nicholas Piggin)
       - Support for kexec with Radix MMU (Benjamin Herrenschmidt)
       - powernv EEH fixes (Russell Currey)
       - Suprise PCI hotplug support for powernv (Gavin Shan)
       - Endian/sparse fixes for powernv PCI (Gavin Shan)
       - Defconfig updates (Anton Blanchard)
       - KVM: PPC: Book3S HV: Migrate pinned pages out of CMA (Balbir Singh)
       - cxl: Flush PSL cache before resetting the adapter (Frederic Barrat)
       - cxl: replace loop with for_each_child_of_node(), remove unneeded
         of_node_put() (Andrew Donnellan)
       - Fix HV facility unavailable to use correct handler (Nicholas
         Piggin)
       - Remove unnecessary syscall trampoline (Nicholas Piggin)
       - fadump: Fix build break when CONFIG_PROC_VMCORE=n (Michael
         Ellerman)
       - Quieten EEH message when no adapters are found (Anton Blanchard)
       - powernv: Add PHB register dump debugfs handle (Russell Currey)
       - Use kprobe blacklist for exception handlers & asm functions
         (Nicholas Piggin)
       - Document the syscall ABI (Nicholas Piggin)
       - MAINTAINERS: Update cxl maintainers (Michael Neuling)
       - powerpc: Remove all usages of NO_IRQ (Michael Ellerman)
    
      Minor cleanups:
       - Andrew Donnellan, Christophe Leroy, Colin Ian King, Cyril Bur,
         Frederic Barrat, Pan Xinhui, PrasannaKumar Muralidharan, Rui Teng,
         Simon Guo"
    
    * tag 'powerpc-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (156 commits)
      powerpc/bpf: Add support for bpf constant blinding
      powerpc/bpf: Implement support for tail calls
      powerpc/bpf: Introduce accessors for using the tmp local stack space
      powerpc/fadump: Fix build break when CONFIG_PROC_VMCORE=n
      powerpc: tm: Enable transactional memory (TM) lazily for userspace
      powerpc/tm: Add TM Unavailable Exception
      powerpc: Remove do_load_up_transact_{fpu,altivec}
      powerpc: tm: Rename transct_(*) to ck(\1)_state
      powerpc: tm: Always use fp_state and vr_state to store live registers
      selftests/powerpc: Add checks for transactional VSXs in signal contexts
      selftests/powerpc: Add checks for transactional VMXs in signal contexts
      selftests/powerpc: Add checks for transactional FPUs in signal contexts
      selftests/powerpc: Add checks for transactional GPRs in signal contexts
      selftests/powerpc: Check that signals always get delivered
      selftests/powerpc: Add TM tcheck helpers in C
      selftests/powerpc: Allow tests to extend their kill timeout
      selftests/powerpc: Introduce GPR asm helper header file
      selftests/powerpc: Move VMX stack frame macros to header file
      selftests/powerpc: Rework FPU stack placement macros and move to header file
      selftests/powerpc: Check for VSX preservation across userspace preemption
      ...
    07021b43
pci-ioda.c 103 KB