{"id":2215600,"url":"http://patchwork.ozlabs.org/api/patches/2215600/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260324194333.30004-10-farosas@suse.de/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260324194333.30004-10-farosas@suse.de>","list_archive_url":null,"date":"2026-03-24T19:43:24","name":"[RFC,v1,09/17] vmstate: Increase scope of vmstate_handle_alloc","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"2792897dde55329c225492b27142f45a1fc82584","submitter":{"id":85343,"url":"http://patchwork.ozlabs.org/api/people/85343/?format=json","name":"Fabiano Rosas","email":"farosas@suse.de"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260324194333.30004-10-farosas@suse.de/mbox/","series":[{"id":497339,"url":"http://patchwork.ozlabs.org/api/series/497339/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497339","date":"2026-03-24T19:43:16","name":"migration: vmstate_save|load changes for peterx","version":1,"mbox":"http://patchwork.ozlabs.org/series/497339/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2215600/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2215600/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256\n header.s=susede2_rsa header.b=2JnBfOIP;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=pSMLDsIu;\n\tdkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de\n header.a=rsa-sha256 header.s=susede2_rsa header.b=2JnBfOIP;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=pSMLDsIu;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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t=1774381430;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=iifD1ZJD/OWYjxjW9swI71sEK/kXSYVXV76A7LYh7TE=;\n b=pSMLDsIuhtm0udwUAyunS8GM30xC2BEw6EZUiRsQ847jNTLVuJ69wrA2YZG2Q8fOT+NbOr\n 8N9AECTdfsZblhCg=="],"From":"Fabiano Rosas ","To":"qemu-devel@nongnu.org","Cc":"Peter Xu ,\n Alexander Mikhalitsyn ,\n Juraj Marcin ","Subject":"[RFC PATCH v1 09/17] vmstate: Increase scope of vmstate_handle_alloc","Date":"Tue, 24 Mar 2026 16:43:24 -0300","Message-ID":"<20260324194333.30004-10-farosas@suse.de>","X-Mailer":"git-send-email 2.51.0","In-Reply-To":"<20260324194333.30004-1-farosas@suse.de>","References":"<20260324194333.30004-1-farosas@suse.de>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Spam-Score":"-2.80","X-Spamd-Result":"default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[99.99%];\n NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[];\n R_MISSING_CHARSET(0.50)[]; 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If it's going to handle,\nmake it handle it all.\n\nSigned-off-by: Fabiano Rosas \n---\n migration/vmstate.c | 24 ++++++++++++++----------\n 1 file changed, 14 insertions(+), 10 deletions(-)","diff":"diff --git a/migration/vmstate.c b/migration/vmstate.c\nindex 8437b5ef3e..0cdfde2232 100644\n--- a/migration/vmstate.c\n+++ b/migration/vmstate.c\n@@ -100,15 +100,23 @@ static int vmstate_size(void *opaque, const VMStateField *field)\n return size;\n }\n \n-static void vmstate_handle_alloc(void *ptr, const VMStateField *field,\n+static void *vmstate_handle_alloc(void *ptr, const VMStateField *field,\n int size, int n_elems)\n {\n- if (field->flags & VMS_POINTER && field->flags & VMS_ALLOC) {\n- size *= n_elems;\n- if (size) {\n- *(void **)ptr = g_malloc(size);\n+ void *new = ptr;\n+\n+ if (field->flags & VMS_POINTER) {\n+ if (field->flags & VMS_ALLOC) {\n+ size *= n_elems;\n+ if (size) {\n+ new = g_malloc(size);\n+ *(void **)ptr = new;\n+ }\n }\n+ assert(new || !n_elems || !size);\n+ return *(void **)ptr;\n }\n+ return new;\n }\n \n static bool vmstate_ptr_marker_load(QEMUFile *f, bool *load_field,\n@@ -247,11 +255,7 @@ bool vmstate_load_vmsd(QEMUFile *f, const VMStateDescription *vmsd,\n int i, n_elems = vmstate_n_elems(opaque, field);\n int size = vmstate_size(opaque, field);\n \n- vmstate_handle_alloc(first_elem, field, size, n_elems);\n- if (field->flags & VMS_POINTER) {\n- first_elem = *(void **)first_elem;\n- assert(first_elem || !n_elems || !size);\n- }\n+ first_elem = vmstate_handle_alloc(first_elem, field, size, n_elems);\n \n for (i = 0; i < n_elems; i++) {\n /* If we will process the load of field? */\n","prefixes":["RFC","v1","09/17"]}