From patchwork Fri Apr 26 14:25:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 32426 Received: (qmail 98200 invoked by alias); 26 Apr 2019 14:26:59 -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 98084 invoked by uid 89); 26 Apr 2019 14:26:58 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-13.7 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 spammy=5.2, H*Ad:U*davem X-HELO: mout.kundenserver.de From: Arnd Bergmann To: Thomas Gleixner Cc: Joseph Myers , libc-alpha@sourceware.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, Deepa Dinamani , Arnd Bergmann , Benjamin LaHaise , Alexander Viro , John Stultz , Stephen Boyd , "David S. Miller" , linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 2/2] y2038: remove CONFIG_64BIT_TIME Date: Fri, 26 Apr 2019 16:25:05 +0200 Message-Id: <20190426142531.1378357-2-arnd@arndb.de> In-Reply-To: <20190426142531.1378357-1-arnd@arndb.de> References: <20190426142531.1378357-1-arnd@arndb.de> MIME-Version: 1.0 The CONFIG_64BIT_TIME option is defined on all architectures, and can be removed for simplicity now. Signed-off-by: Arnd Bergmann --- This would make sense for 5.2, or could be part of a later cleanup series when I have more patches for the remaining y2038 bits --- arch/Kconfig | 8 -------- fs/aio.c | 2 +- ipc/syscall.c | 2 +- kernel/time/hrtimer.c | 2 +- kernel/time/time.c | 4 ++-- net/socket.c | 2 +- 6 files changed, 6 insertions(+), 14 deletions(-) diff --git a/arch/Kconfig b/arch/Kconfig index 9092e0ffe4d3..23ee740182aa 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -763,14 +763,6 @@ config OLD_SIGACTION config COMPAT_OLD_SIGACTION bool -config 64BIT_TIME - def_bool y - help - This should be selected by all architectures that need to support - new system calls with a 64-bit time_t. This is relevant on all 32-bit - architectures, and 64-bit architectures as part of compat syscall - handling. - config COMPAT_32BIT_TIME def_bool !64BIT || COMPAT help diff --git a/fs/aio.c b/fs/aio.c index 3490d1fa0e16..b1b949ae1a93 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -2057,7 +2057,7 @@ static long do_io_getevents(aio_context_t ctx_id, * specifies an infinite timeout. Note that the timeout pointed to by * timeout is relative. Will fail with -ENOSYS if not implemented. */ -#if !defined(CONFIG_64BIT_TIME) || defined(CONFIG_64BIT) +#ifdef CONFIG_64BIT SYSCALL_DEFINE5(io_getevents, aio_context_t, ctx_id, long, min_nr, diff --git a/ipc/syscall.c b/ipc/syscall.c index 581bdff4e7c5..dfb0e988d542 100644 --- a/ipc/syscall.c +++ b/ipc/syscall.c @@ -30,7 +30,7 @@ int ksys_ipc(unsigned int call, int first, unsigned long second, return ksys_semtimedop(first, (struct sembuf __user *)ptr, second, NULL); case SEMTIMEDOP: - if (IS_ENABLED(CONFIG_64BIT) || !IS_ENABLED(CONFIG_64BIT_TIME)) + if (IS_ENABLED(CONFIG_64BIT)) return ksys_semtimedop(first, ptr, second, (const struct __kernel_timespec __user *)fifth); else if (IS_ENABLED(CONFIG_COMPAT_32BIT_TIME)) diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 41dfff23c1f9..61f03faf783a 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -1749,7 +1749,7 @@ long hrtimer_nanosleep(const struct timespec64 *rqtp, return ret; } -#if !defined(CONFIG_64BIT_TIME) || defined(CONFIG_64BIT) +#ifdef CONFIG_64BIT SYSCALL_DEFINE2(nanosleep, struct __kernel_timespec __user *, rqtp, struct __kernel_timespec __user *, rmtp) diff --git a/kernel/time/time.c b/kernel/time/time.c index 74105fa3ce80..a4c72577aa92 100644 --- a/kernel/time/time.c +++ b/kernel/time/time.c @@ -264,7 +264,7 @@ COMPAT_SYSCALL_DEFINE2(settimeofday, struct old_timeval32 __user *, tv, } #endif -#if !defined(CONFIG_64BIT_TIME) || defined(CONFIG_64BIT) +#ifdef CONFIG_64BIT SYSCALL_DEFINE1(adjtimex, struct __kernel_timex __user *, txc_p) { struct __kernel_timex txc; /* Local copy of parameter */ @@ -871,7 +871,7 @@ int get_timespec64(struct timespec64 *ts, ts->tv_sec = kts.tv_sec; /* Zero out the padding for 32 bit systems or in compat mode */ - if (IS_ENABLED(CONFIG_64BIT_TIME) && in_compat_syscall()) + if (in_compat_syscall()) kts.tv_nsec &= 0xFFFFFFFFUL; ts->tv_nsec = kts.tv_nsec; diff --git a/net/socket.c b/net/socket.c index a180e1a9ff23..2ff80e03d97b 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2787,7 +2787,7 @@ SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args) a[2], true); break; case SYS_RECVMMSG: - if (IS_ENABLED(CONFIG_64BIT) || !IS_ENABLED(CONFIG_64BIT_TIME)) + if (IS_ENABLED(CONFIG_64BIT)) err = __sys_recvmmsg(a0, (struct mmsghdr __user *)a1, a[2], a[3], (struct __kernel_timespec __user *)a[4],