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Iglesias" , xen-devel@lists.xenproject.org, Stefano Garzarella , David Woodhouse , Sunil Muthuswamy , Richard Henderson , Stefano Stabellini , Matthew Rosato , qemu-s390x@nongnu.org, Paul Durrant , "Michael S. Tsirkin" , Christian Borntraeger , Anthony PERARD , Jason Herne , Paolo Bonzini , Thomas Huth , Eric Farman Subject: [PATCH v3 00/18] system/physmem: Remove cpu_physical_memory _is_io() and _rw() Date: Tue, 30 Sep 2025 10:21:07 +0200 Message-ID: <20250930082126.28618-1-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Since v1: - Removed extra 'len' arg in address_space_is_io (rth) Since v2: - Fixed vhost change - Better describe cpu_physical_memory_rw() removal (thuth) --- The cpu_physical_memory API is legacy (see commit b7ecba0f6f6): ``cpu_physical_memory_*`` ~~~~~~~~~~~~~~~~~~~~~~~~~ These are convenience functions which are identical to ``address_space_*`` but operate specifically on the system address space, always pass a ``MEMTXATTRS_UNSPECIFIED`` set of memory attributes and ignore whether the memory transaction succeeded or failed. For new code they are better avoided: ... This series removes: - cpu_physical_memory_is_io() - cpu_physical_memory_rw() and start converting some - cpu_physical_memory_map() - cpu_physical_memory_unmap() calls. Based-on: <20250922192940.2908002-1-richard.henderson@linaro.org> "system/memory: Split address_space_write_rom_internal" Philippe Mathieu-Daudé (18): docs/devel/loads-stores: Stop mentioning cpu_physical_memory_write_rom() system/memory: Better describe @plen argument of flatview_translate() system/memory: Factor address_space_is_io() out target/i386/arch_memory_mapping: Use address_space_memory_is_io() hw/s390x/sclp: Use address_space_memory_is_io() in sclp_service_call() system/physmem: Remove cpu_physical_memory_is_io() system/physmem: Pass address space argument to cpu_flush_icache_range() hw/s390x/sclp: Replace [cpu_physical_memory -> address_space]_r/w() target/s390x/mmu: Replace [cpu_physical_memory -> address_space]_rw() target/i386/whpx: Replace legacy cpu_physical_memory_rw() call target/i386/kvm: Replace legacy cpu_physical_memory_rw() call target/i386/nvmm: Inline cpu_physical_memory_rw() in nvmm_mem_callback hw/xen/hvm: Inline cpu_physical_memory_rw() in rw_phys_req_item() system/physmem: Un-inline cpu_physical_memory_read/write() system/physmem: Avoid cpu_physical_memory_rw when is_write is constant system/physmem: Remove legacy cpu_physical_memory_rw() hw/virtio/vhost: Replace legacy cpu_physical_memory_*map() calls hw/virtio/virtio: Replace legacy cpu_physical_memory_map() call docs/devel/loads-stores.rst | 6 +-- scripts/coccinelle/exec_rw_const.cocci | 22 ----------- include/exec/cpu-common.h | 18 +-------- include/system/memory.h | 16 +++++++- hw/core/loader.c | 2 +- hw/s390x/sclp.c | 14 ++++--- hw/virtio/vhost.c | 7 +++- hw/virtio/virtio.c | 10 +++-- hw/xen/xen-hvm-common.c | 8 ++-- system/physmem.c | 51 ++++++++++++++------------ target/i386/arch_memory_mapping.c | 10 ++--- target/i386/kvm/xen-emu.c | 4 +- target/i386/nvmm/nvmm-all.c | 5 ++- target/i386/whpx/whpx-all.c | 7 +++- target/s390x/mmu_helper.c | 6 ++- 15 files changed, 92 insertions(+), 94 deletions(-) -- 2.51.0