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Tsirkin" , David Woodhouse , kvm@vger.kernel.org, Eric Farman , Zhao Liu , xen-devel@lists.xenproject.org, Paul Durrant , Christian Borntraeger , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Halil Pasic , Jason Herne , Marcelo Tosatti , Thomas Huth , Anthony PERARD , qemu-s390x@nongnu.org, "Edgar E. Iglesias" , Peter Xu , Matthew Rosato Subject: [PATCH 07/15] target/s390x/mmu: Replace [cpu_physical_memory -> address_space]_rw() Date: Mon, 29 Sep 2025 20:32:46 +0200 Message-ID: <20250929183254.85478-8-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250929183254.85478-1-philmd@linaro.org> References: <20250929183254.85478-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1759170834072116600 When cpu_address_space_init() isn't called during vCPU creation, its single address space is the global &address_space_memory. As s390x boards don't call cpu_address_space_init(), cpu_get_address_space(CPU(cpu), 0) returns &address_space_memory. We can then replace cpu_physical_memory_rw() by the semantically equivalent address_space_rw() call. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/s390x/mmu_helper.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c index 00946e9c0fe..4e2f31dc763 100644 --- a/target/s390x/mmu_helper.c +++ b/target/s390x/mmu_helper.c @@ -23,6 +23,7 @@ #include "kvm/kvm_s390x.h" #include "system/kvm.h" #include "system/tcg.h" +#include "system/memory.h" #include "exec/page-protection.h" #include "exec/target_page.h" #include "hw/hw.h" @@ -522,6 +523,7 @@ int s390_cpu_pv_mem_rw(S390CPU *cpu, unsigned int offse= t, void *hostbuf, int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *host= buf, int len, bool is_write) { + AddressSpace *as =3D cpu_get_address_space(CPU(cpu), 0); int currlen, nr_pages, i; target_ulong *pages; uint64_t tec; @@ -545,8 +547,8 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uin= t8_t ar, void *hostbuf, /* Copy data by stepping through the area page by page */ for (i =3D 0; i < nr_pages; i++) { currlen =3D MIN(len, TARGET_PAGE_SIZE - (laddr % TARGET_PAGE_S= IZE)); - cpu_physical_memory_rw(pages[i] | (laddr & ~TARGET_PAGE_MASK), - hostbuf, currlen, is_write); + address_space_rw(as, pages[i] | (laddr & ~TARGET_PAGE_MASK), + MEMTXATTRS_UNSPECIFIED, hostbuf, currlen, is_= write); laddr +=3D currlen; hostbuf +=3D currlen; len -=3D currlen; --=20 2.51.0