[SCM] GNU Mach branch, master, updated. v1.8-313-g21b60d6

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit 21b60d69fadd23e5081d1fd36beeee42f4e7976a
Author: Sergey Bugaev <bugaevc@gmail.com>
Date:   Sat Nov 6 09:13:33 2021 +0100

    Memory proxies: Add support for anonymous mappings
    
    * vm/vm_map.c (vm_region_get_proxy):
        - Return KERN_INVALID_ARGUMENT when the entry is a submap.
        - Create a pager for the vm_object when the entry doesn't
          have any yet, since it's an anonymous mapping.
    Message-Id: <20211106081333.10366-3-jlledom@mailfence.com>

commit 44ca02a46b6fa0a8f1181fdc08efa779c3bdce80
Author: Joan Lledó <jlledom@member.fsf.org>
Date:   Sat Nov 6 09:13:32 2021 +0100

    vm: vm_region_get_proxy
    
    To get a proxy to the region a given address belongs to,
    with protection and range limited to the region ones.
    
    * include/mach/mach4.defs: vm_region_get_proxy RPC declaration
    * vm/vm_map.c: vm_region_get_proxy implementation
    Message-Id: <20211106081333.10366-2-jlledom@mailfence.com>

commit a0473675b98f51c48ea92c357793c2dbed0d1d85
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sun Nov 7 17:50:43 2021 +0100

    memory_object_create_proxy: Fix and check coherency with RPC
    
    * vm/memory_object_proxy.c: Include kern/mach4.server.h.
    (memory_object_create_proxy): Drop const qualifiers.

commit d8c4e675e639ba6a8e573804ce6875c828471b47
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sun Nov 7 17:49:18 2021 +0100

    memory_object: Fix memory_object_t type in the kernel
    
    mach_port_t is for userland, kernel sees the translated ipc_port_t.
    
    * include/mach/memory_object.h [MACH_KERNEL]: Include ipc/ipc_types.h
    [MACH_KERNEL] (memory_object_t): Typedef to ipc_port_t instead of
    mach_port_t.
    (memory_object_array_t): Typedef to memory_object_t* instead of
    mach_port_t*.

commit 48c4664974ef5b16b25f3116120eb145b8f2d9e5
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sun Nov 7 17:23:44 2021 +0100

    Drop unused device_pager_release
    
    * device/dev_pager.c (device_pager_release): Drop unused function.

-----------------------------------------------------------------------

Summary of changes:
 device/dev_pager.c           | 13 ---------
 include/mach/mach4.defs      | 10 +++++++
 include/mach/memory_object.h |  8 +++--
 vm/memory_object_proxy.c     |  9 +++---
 vm/memory_object_proxy.h     |  8 +++++
 vm/vm_map.c                  | 69 ++++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 98 insertions(+), 19 deletions(-)


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