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Mon, 09 Mar 2026 13:40:39 -0700 (PDT) X-Received: by 2002:a05:620a:564:b0:8cd:7f7d:b089 with SMTP id af79cd13be357-8cd7f7db148mr689051485a.70.1773088839159; Mon, 09 Mar 2026 13:40:39 -0700 (PDT) From: Peter Xu To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Peter Xu , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Pierrick Bouvier Subject: [PULL 15/18] system/ramblock: Constify various RAMBlock arguments Date: Mon, 9 Mar 2026 16:40:04 -0400 Message-ID: <20260309204007.1709441-16-peterx@redhat.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260309204007.1709441-1-peterx@redhat.com> References: <20260309204007.1709441-1-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.819, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.903, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1773088892215154100 From: Philippe Mathieu-Daud=C3=A9 Mark the RAMBlock structure const when is only accessed read-only. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Pierrick Bouvier Reviewed-by: Peter Xu Link: https://lore.kernel.org/r/20260309183536.88976-2-philmd@linaro.org Signed-off-by: Peter Xu --- include/system/ramblock.h | 28 ++++++++++++++-------------- stubs/physmem.c | 2 +- stubs/ram-block.c | 6 +++--- system/physmem.c | 28 ++++++++++++++-------------- 4 files changed, 32 insertions(+), 32 deletions(-) diff --git a/include/system/ramblock.h b/include/system/ramblock.h index e9f58ac045..4435f8d55f 100644 --- a/include/system/ramblock.h +++ b/include/system/ramblock.h @@ -154,26 +154,26 @@ RAMBlock *qemu_ram_block_by_name(const char *name); */ RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset, ram_addr_t *offset); -ram_addr_t qemu_ram_block_host_offset(RAMBlock *rb, void *host); +ram_addr_t qemu_ram_block_host_offset(const RAMBlock *rb, void *host); void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *de= v); void qemu_ram_unset_idstr(RAMBlock *block); -const char *qemu_ram_get_idstr(RAMBlock *rb); -void *qemu_ram_get_host_addr(RAMBlock *rb); -ram_addr_t qemu_ram_get_offset(RAMBlock *rb); -ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb); -ram_addr_t qemu_ram_get_used_length(RAMBlock *rb); -ram_addr_t qemu_ram_get_max_length(RAMBlock *rb); -bool qemu_ram_is_shared(RAMBlock *rb); -bool qemu_ram_is_noreserve(RAMBlock *rb); -bool qemu_ram_is_uf_zeroable(RAMBlock *rb); +const char *qemu_ram_get_idstr(const RAMBlock *rb); +void *qemu_ram_get_host_addr(const RAMBlock *rb); +ram_addr_t qemu_ram_get_offset(const RAMBlock *rb); +ram_addr_t qemu_ram_get_fd_offset(const RAMBlock *rb); +ram_addr_t qemu_ram_get_used_length(const RAMBlock *rb); +ram_addr_t qemu_ram_get_max_length(const RAMBlock *rb); +bool qemu_ram_is_shared(const RAMBlock *rb); +bool qemu_ram_is_noreserve(const RAMBlock *rb); +bool qemu_ram_is_uf_zeroable(const RAMBlock *rb); void qemu_ram_set_uf_zeroable(RAMBlock *rb); -bool qemu_ram_is_migratable(RAMBlock *rb); +bool qemu_ram_is_migratable(const RAMBlock *rb); void qemu_ram_set_migratable(RAMBlock *rb); void qemu_ram_unset_migratable(RAMBlock *rb); -bool qemu_ram_is_named_file(RAMBlock *rb); -int qemu_ram_get_fd(RAMBlock *rb); +bool qemu_ram_is_named_file(const RAMBlock *rb); +int qemu_ram_get_fd(const RAMBlock *rb); =20 -size_t qemu_ram_pagesize(RAMBlock *block); +size_t qemu_ram_pagesize(const RAMBlock *block); size_t qemu_ram_pagesize_largest(void); #include "exec/target_page.h" #include "exec/hwaddr.h" diff --git a/stubs/physmem.c b/stubs/physmem.c index 14667f2bd8..2eca06ab6d 100644 --- a/stubs/physmem.c +++ b/stubs/physmem.c @@ -7,7 +7,7 @@ RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_of= fset, return NULL; } =20 -int qemu_ram_get_fd(RAMBlock *rb) +int qemu_ram_get_fd(const RAMBlock *rb) { return -1; } diff --git a/stubs/ram-block.c b/stubs/ram-block.c index 8790a59593..1c79e447ff 100644 --- a/stubs/ram-block.c +++ b/stubs/ram-block.c @@ -3,17 +3,17 @@ #include "system/ramblock.h" #include "system/memory.h" =20 -void *qemu_ram_get_host_addr(RAMBlock *rb) +void *qemu_ram_get_host_addr(const RAMBlock *rb) { return 0; } =20 -ram_addr_t qemu_ram_get_offset(RAMBlock *rb) +ram_addr_t qemu_ram_get_offset(const RAMBlock *rb) { return 0; } =20 -ram_addr_t qemu_ram_get_used_length(RAMBlock *rb) +ram_addr_t qemu_ram_get_used_length(const RAMBlock *rb) { return 0; } diff --git a/system/physmem.c b/system/physmem.c index 7eecd81877..e5390d09be 100644 --- a/system/physmem.c +++ b/system/physmem.c @@ -1859,48 +1859,48 @@ static void qemu_ram_setup_dump(void *addr, ram_add= r_t size) } } =20 -const char *qemu_ram_get_idstr(RAMBlock *rb) +const char *qemu_ram_get_idstr(const RAMBlock *rb) { return rb->idstr; } =20 -void *qemu_ram_get_host_addr(RAMBlock *rb) +void *qemu_ram_get_host_addr(const RAMBlock *rb) { return rb->host; } =20 -ram_addr_t qemu_ram_get_offset(RAMBlock *rb) +ram_addr_t qemu_ram_get_offset(const RAMBlock *rb) { return rb->offset; } =20 -ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb) +ram_addr_t qemu_ram_get_fd_offset(const RAMBlock *rb) { return rb->fd_offset; } =20 -ram_addr_t qemu_ram_get_used_length(RAMBlock *rb) +ram_addr_t qemu_ram_get_used_length(const RAMBlock *rb) { return rb->used_length; } =20 -ram_addr_t qemu_ram_get_max_length(RAMBlock *rb) +ram_addr_t qemu_ram_get_max_length(const RAMBlock *rb) { return rb->max_length; } =20 -bool qemu_ram_is_shared(RAMBlock *rb) +bool qemu_ram_is_shared(const RAMBlock *rb) { return rb->flags & RAM_SHARED; } =20 -bool qemu_ram_is_noreserve(RAMBlock *rb) +bool qemu_ram_is_noreserve(const RAMBlock *rb) { return rb->flags & RAM_NORESERVE; } =20 /* Note: Only set at the start of postcopy */ -bool qemu_ram_is_uf_zeroable(RAMBlock *rb) +bool qemu_ram_is_uf_zeroable(const RAMBlock *rb) { return rb->flags & RAM_UF_ZEROPAGE; } @@ -1910,7 +1910,7 @@ void qemu_ram_set_uf_zeroable(RAMBlock *rb) rb->flags |=3D RAM_UF_ZEROPAGE; } =20 -bool qemu_ram_is_migratable(RAMBlock *rb) +bool qemu_ram_is_migratable(const RAMBlock *rb) { return rb->flags & RAM_MIGRATABLE; } @@ -1925,12 +1925,12 @@ void qemu_ram_unset_migratable(RAMBlock *rb) rb->flags &=3D ~RAM_MIGRATABLE; } =20 -bool qemu_ram_is_named_file(RAMBlock *rb) +bool qemu_ram_is_named_file(const RAMBlock *rb) { return rb->flags & RAM_NAMED_FILE; } =20 -int qemu_ram_get_fd(RAMBlock *rb) +int qemu_ram_get_fd(const RAMBlock *rb) { return rb->fd; } @@ -1987,7 +1987,7 @@ static char *cpr_name(MemoryRegion *mr) } } =20 -size_t qemu_ram_pagesize(RAMBlock *rb) +size_t qemu_ram_pagesize(const RAMBlock *rb) { return rb->page_size; } @@ -2772,7 +2772,7 @@ void *qemu_map_ram_ptr(RAMBlock *ram_block, ram_addr_= t addr) } =20 /* Return the offset of a hostpointer within a ramblock */ -ram_addr_t qemu_ram_block_host_offset(RAMBlock *rb, void *host) +ram_addr_t qemu_ram_block_host_offset(const RAMBlock *rb, void *host) { ram_addr_t res =3D (uint8_t *)host - (uint8_t *)rb->host; assert((uintptr_t)host >=3D (uintptr_t)rb->host); --=20 2.50.1