{"id":2221177,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2221177/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/CAFsMJvCLRw2Q=4muDNG1Ojj3oL+UgTrVzpYM6VULRvdFxgR=KA@mail.gmail.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/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":""},"msgid":"","date":"2026-04-08T18:17:54","name":"linux-user: fix usage of struct target_stat64 for TARGET_LOONGARCH64 in syscall_defs.h","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c15da517c85b35e3db639d14ee0ba17302aca517","submitter":{"id":93091,"url":"http://patchwork.ozlabs.org/api/1.1/people/93091/?format=json","name":"Gyorgy Tamasi","email":"gyorgy.tamasi@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/CAFsMJvCLRw2Q=4muDNG1Ojj3oL+UgTrVzpYM6VULRvdFxgR=KA@mail.gmail.com/mbox/","series":[{"id":499201,"url":"http://patchwork.ozlabs.org/api/1.1/series/499201/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499201","date":"2026-04-08T18:17:54","name":"linux-user: fix usage of struct target_stat64 for TARGET_LOONGARCH64 in syscall_defs.h","version":1,"mbox":"http://patchwork.ozlabs.org/series/499201/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2221177/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221177/checks/","tags":{},"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 (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=BjYMNvFV;\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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Wed, 08 Apr 2026\n 11:18:07 -0700 (PDT)","MIME-Version":"1.0","From":"Gyorgy Tamasi ","Date":"Wed, 8 Apr 2026 20:17:54 +0200","X-Gm-Features":"AQROBzBaxnNTPuS56QXuNhgxeMjx0PK7BB5AOy52cdRuPj639yQ5Gl65wWBMXsM","Message-ID":"\n ","Subject":"[PATCH] linux-user: fix usage of struct target_stat64 for\n TARGET_LOONGARCH64 in syscall_defs.h","To":"laurent@vivier.eu","Cc":"pierrick.bouvier@linaro.org, qemu-devel@nongnu.org","Content-Type":"text/plain; charset=\"UTF-8\"","Received-SPF":"pass client-ip=2a00:1450:4864:20::12c;\n envelope-from=gyorgy.tamasi@gmail.com; helo=mail-lf1-x12c.google.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-Mailman-Approved-At":"Wed, 08 Apr 2026 15:32:16 -0400","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"In a 64bit LoongArch64 env (both TARGET_LOONGARCH and\nTARGET_LOONGARCH64 are defined!) we can not use the struct\ntarget_stat64 for data-transfer, since this struct target_stat64 is\ndefined for 32bit environments with its int-sized (4byte) st_*time\nsec/nsec components.\nThe user side compiler headers of the LoongArch64 env uses long-sized\n(8byte) st_*time sec/nsec components.\n\n(This is similar to the case of 32bit vs. 64bit RISCV: the original\ncode does not use struct target_stat64 in 64bit RISCV env, when both\nTARGET_RISCV and TARGET_RISCV64 are defined.)\n\nThis fix is important for LoongArch64 ABI1.0, where stat() is using an\nfstatat syscall with this struct target_stat64, if its usage is\nenabled.\n(In case of LoongArch64 ABI2.0 stat() uses statx syscall, where this\nproblematic struct target_stat64 is not used, struct statx is correct\nin the LoongArch64 env.)\nSee also: https://gitlab.com/qemu-project/qemu/-/work_items/3371\n\nSigned-off-by: Gyorgy Tamasi \n---\n linux-user/syscall_defs.h | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)\n\n--\n2.43.0","diff":"diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h\nindex 679af640c0..6967306be4 100644\n--- a/linux-user/syscall_defs.h\n+++ b/linux-user/syscall_defs.h\n@@ -2005,7 +2005,7 @@ struct target_stat {\n abi_uint __unused5;\n };\n\n-#if !defined(TARGET_RISCV64)\n+#if !defined(TARGET_RISCV64) && !defined(TARGET_LOONGARCH64)\n #define TARGET_HAS_STRUCT_STAT64\n struct target_stat64 {\n abi_ullong st_dev;\n","prefixes":[]}