From patchwork Wed Apr 25 15:06:04 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 134338 Delivered-To: patch@linaro.org Received: by 10.46.151.6 with SMTP id r6csp984722lji; Wed, 25 Apr 2018 08:08:53 -0700 (PDT) X-Google-Smtp-Source: AIpwx4/58jvEDl3Vh7HIC7E8Zv2cAwg9CDxhqir19en9Ems0dQlEpI0PVSrsV+xANa20VCEEeCmn X-Received: by 10.99.60.12 with SMTP id j12mr24779607pga.203.1524668933139; Wed, 25 Apr 2018 08:08:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1524668933; cv=none; d=google.com; s=arc-20160816; b=ucU/9MVsIUiZkXlRYfE8MFuVJkoA4lGSREgIyBHplxIDhvjKc6oa+JbYLBXWuifxYy hDJEpROt1nq5PYduM/n+kDoj4xRrSORxmD/33HgYeV5HB9NBsl69HWdKnLCUptY6trfy FgWtfZKDrop8ioKZGK/AJ0lFUTat59eZWAMWVBkV1xuBsRI6yShj0/2UTE6/kVp5aJNl Q2azs0JFAfI4ChL33kzWuEXxQcdwL0FjiIC++CvCaaXvVySpFKIG58wEuIPOlOfG3tVx OcLxJ2TF3aQl0Ly/djUcjJClvuByHmSWV94vaO9Q/EXYG0yl+ZSYzwEigDooxYW87sw9 tcyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :delivered-to:sender:list-help:list-post:list-archive:list-subscribe :list-unsubscribe:list-id:precedence:mailing-list:dkim-signature :domainkey-signature:arc-authentication-results; bh=O5FDEUvv+T9xGV1OaSiciU6iSJkdzsowujXxm6xlkpI=; b=eosSkxhqyQHzUY3d1lcAqOr2GHF8BSVE4XfenYi7QevEfO6poxG4G8392GbBLJTx3i mD/qLnPknCpAPgSzzLhzzGptvE+7RYIe+/SbZcMfI1RHlZFSQdEIlJABhfAx2vCyVS9q 3ucjj9yqfa0c1EbE8X8dCCqeoXZfF1PmSUaXvm7aRTDfef6scEeFNqMf2rOF2a3iaXAX DkCpYIjCU750jQh951+CYL5sqYVRIdNfYN6YH2IkazYJgzlcIhiaAPITMQWS4pENxkLr h6yC0yopQntaTC4+0lBOTzaeowuaKNZtbZxjZQfwRx9SDwAfAOVUigDI3Gx2YtPwqYRJ Tpog== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@sourceware.org header.s=default header.b=HvFQ6/aQ; spf=pass (google.com: domain of libc-alpha-return-91829-patch=linaro.org@sourceware.org designates 209.132.180.131 as permitted sender) smtp.mailfrom=libc-alpha-return-91829-patch=linaro.org@sourceware.org Return-Path: Received: from sourceware.org (server1.sourceware.org. [209.132.180.131]) by mx.google.com with ESMTPS id t190si3906887pgb.623.2018.04.25.08.08.52 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 25 Apr 2018 08:08:53 -0700 (PDT) Received-SPF: pass (google.com: domain of libc-alpha-return-91829-patch=linaro.org@sourceware.org designates 209.132.180.131 as permitted sender) client-ip=209.132.180.131; Authentication-Results: mx.google.com; dkim=pass header.i=@sourceware.org header.s=default header.b=HvFQ6/aQ; spf=pass (google.com: domain of libc-alpha-return-91829-patch=linaro.org@sourceware.org designates 209.132.180.131 as permitted sender) smtp.mailfrom=libc-alpha-return-91829-patch=linaro.org@sourceware.org DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:cc:subject:date:message-id:in-reply-to :references; q=dns; s=default; b=r0jGCr3Dfj3m9MsGKrZLjPPSEKW8LL/ mOuhzswOomjlnev+1E0Vf6auM5DO3KqF+OQOTC21LizmU/79wUEzRRI1eBLaTQYs 3aQdTG98Hjs82VjXzPsFzE2b52Wjvf28Jj8BexNGVSMG/mnqeuFrY1pWkfr3Dsac JSbwNNItkg08= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:cc:subject:date:message-id:in-reply-to :references; s=default; bh=3sNX3cMGJYLMXj5xEAI9EeM2OMk=; b=HvFQ6 /aQRMxcG9Hj+pplAFdrNdwFLYgpKLeNvJEMLoy0/N16Ztt1KFt1EwKyif910SF61 ohNP6GwRv2tURugSftmh1PNafCoQyOVrqpC7iw1XR1f1ugB1ShEB25HXRoIGSnbf Q3nl7n9LYC90CEklfprj3WOysoGHgTcDhApozI= Received: (qmail 38007 invoked by alias); 25 Apr 2018 15:07:34 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 37749 invoked by uid 89); 25 Apr 2018 15:07:33 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-25.8 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, KAM_LAZY_DOMAIN_SECURITY, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.2 spammy= X-HELO: mout.kundenserver.de From: Arnd Bergmann To: y2038@lists.linaro.org, linux-kernel@vger.kernel.org Cc: linux-api@vger.kernel.org, linux-arch@vger.kernel.org, libc-alpha@sourceware.org, tglx@linutronix.de, deepa.kernel@gmail.com, viro@zeniv.linux.org.uk, ebiederm@xmission.com, albert.aribaud@3adev.fr, linux-s390@vger.kernel.org, schwidefsky@de.ibm.com, x86@kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, linux-mips@linux-mips.org, jhogan@kernel.org, ralf@linux-mips.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, zackw@panix.com, noloader@gmail.com, Arnd Bergmann Subject: [PATCH v4 14/16] y2038: ipc: Use __kernel_timespec Date: Wed, 25 Apr 2018 17:06:04 +0200 Message-Id: <20180425150606.954771-14-arnd@arndb.de> In-Reply-To: <20180425132242.1500539-1-arnd@arndb.de> References: <20180425132242.1500539-1-arnd@arndb.de> X-UI-Out-Filterresults: notjunk:1; V01:K0:BJXUDQ6Vvto=:iFZRn5T++Cyo0hzYvieKxi Ok5PngjIt0vhLUEbGiUjM/SlfiQ5tCzDqq375Cr2Rph9Zv9x0mr1syd10p7LKMtRWHWbGKwf6 Z4+7h7MCrn0+YL0b7oxUtgxxv54/8r0fjP5Hzz1zAFl4mrbgIrdiL/VZp5w2xDFY7c7ReWwsj /fRzQYXKkfRqlHYI3pUhDWW4AXEti+yFtXik5o28vdGYBwFrBQ+DLp6BaJZv8DovmZcYIPdcT rFjEOiY1bfWKgfI+JAHkyodQWDzRJShBR6cJRDEzv5U9Kb1JqQMocf/a/ORBCN0FpIDO6wBls zKwWGUazjo1e5JlASCCKCAaB6CfAiDICLHR3YFTfRHhdFAW+cPwCHuR/rXuQP5dxqf1sMHrzQ gH43ULgvkBOedwCl6Dl/NFLAuEJ6o3B3DnC3x25FlQks1H3a92c1Cuv0Y8TFU50u9GiQkTtRi Dznbz8ZwrcUyncvhH5yp+QBLEX5iRqda/coMPqXqKjNeQTkq8MUZkgzOP6YTo4SjP238pd9tF 1/e5QuKpH8SjunVfmQ82mYZZ83hBkabum39IAi3bmL3L+RtniK71/sVhDdZw8P24OzbVXmKBL PYKhk1N0qJUaXGbsSy3F2QuTY7fybJLnlXolQibwapDSpXLk2q4guJy67YYrw43FhcYMKq2Yd jld6R9gbggwVYyWntTBG6EB+kGuf64QdQAinoNjAhS5D9DlnDoDWxCmZDJ2juli2d6SlM5GDM zr0tmga1eO6+Zdmn0Vyv6ZlG8kh2VpTPSlv3uA== This is a preparatation for changing over __kernel_timespec to 64-bit times, which involves assigning new system call numbers for mq_timedsend(), mq_timedreceive() and semtimedop() for compatibility with future y2038 proof user space. The existing ABIs will remain available through compat code. Signed-off-by: Arnd Bergmann --- include/linux/syscalls.h | 6 +++--- ipc/mqueue.c | 6 +++--- ipc/sem.c | 4 ++-- ipc/util.h | 2 +- 4 files changed, 9 insertions(+), 9 deletions(-) -- 2.9.0 diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index c9a2a2601852..b92cb79d38c3 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -680,8 +680,8 @@ asmlinkage long sys_sysinfo(struct sysinfo __user *info); /* ipc/mqueue.c */ asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr); asmlinkage long sys_mq_unlink(const char __user *name); -asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct timespec __user *abs_timeout); -asmlinkage long sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct timespec __user *abs_timeout); +asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct __kernel_timespec __user *abs_timeout); +asmlinkage long sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct __kernel_timespec __user *abs_timeout); asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification); asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat); @@ -698,7 +698,7 @@ asmlinkage long sys_semget(key_t key, int nsems, int semflg); asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg); asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops, unsigned nsops, - const struct timespec __user *timeout); + const struct __kernel_timespec __user *timeout); asmlinkage long sys_semop(int semid, struct sembuf __user *sops, unsigned nsops); diff --git a/ipc/mqueue.c b/ipc/mqueue.c index a808f29d4c5a..9610afcfa2e5 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -691,7 +691,7 @@ static void __do_notify(struct mqueue_inode_info *info) wake_up(&info->wait_q); } -static int prepare_timeout(const struct timespec __user *u_abs_timeout, +static int prepare_timeout(const struct __kernel_timespec __user *u_abs_timeout, struct timespec64 *ts) { if (get_timespec64(ts, u_abs_timeout)) @@ -1128,7 +1128,7 @@ static int do_mq_timedreceive(mqd_t mqdes, char __user *u_msg_ptr, SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes, const char __user *, u_msg_ptr, size_t, msg_len, unsigned int, msg_prio, - const struct timespec __user *, u_abs_timeout) + const struct __kernel_timespec __user *, u_abs_timeout) { struct timespec64 ts, *p = NULL; if (u_abs_timeout) { @@ -1142,7 +1142,7 @@ SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes, const char __user *, u_msg_ptr, SYSCALL_DEFINE5(mq_timedreceive, mqd_t, mqdes, char __user *, u_msg_ptr, size_t, msg_len, unsigned int __user *, u_msg_prio, - const struct timespec __user *, u_abs_timeout) + const struct __kernel_timespec __user *, u_abs_timeout) { struct timespec64 ts, *p = NULL; if (u_abs_timeout) { diff --git a/ipc/sem.c b/ipc/sem.c index 8935cd8cf166..b951e25ba2db 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -2176,7 +2176,7 @@ static long do_semtimedop(int semid, struct sembuf __user *tsops, } long ksys_semtimedop(int semid, struct sembuf __user *tsops, - unsigned int nsops, const struct timespec __user *timeout) + unsigned int nsops, const struct __kernel_timespec __user *timeout) { if (timeout) { struct timespec64 ts; @@ -2188,7 +2188,7 @@ long ksys_semtimedop(int semid, struct sembuf __user *tsops, } SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops, - unsigned int, nsops, const struct timespec __user *, timeout) + unsigned int, nsops, const struct __kernel_timespec __user *, timeout) { return ksys_semtimedop(semid, tsops, nsops, timeout); } diff --git a/ipc/util.h b/ipc/util.h index acc5159e96d0..975c6de2df9d 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -251,7 +251,7 @@ static inline int compat_ipc_parse_version(int *cmd) /* for __ARCH_WANT_SYS_IPC */ long ksys_semtimedop(int semid, struct sembuf __user *tsops, unsigned int nsops, - const struct timespec __user *timeout); + const struct __kernel_timespec __user *timeout); long ksys_semget(key_t key, int nsems, int semflg); long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg); long ksys_msgget(key_t key, int msgflg);