From owner-svn-src-all@FreeBSD.ORG Sun May 24 17:25:58 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B6969FA2; Sun, 24 May 2015 17:25:58 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A40641B47; Sun, 24 May 2015 17:25:58 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t4OHPw9a019356; Sun, 24 May 2015 17:25:58 GMT (envelope-from dchagin@FreeBSD.org) Received: (from dchagin@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t4OHPwYY019354; Sun, 24 May 2015 17:25:58 GMT (envelope-from dchagin@FreeBSD.org) Message-Id: <201505241725.t4OHPwYY019354@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: dchagin set sender to dchagin@FreeBSD.org using -f From: Dmitry Chagin Date: Sun, 24 May 2015 17:25:58 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r283460 - head/sys/compat/linux X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 May 2015 17:25:58 -0000 Author: dchagin Date: Sun May 24 17:25:57 2015 New Revision: 283460 URL: https://svnweb.freebsd.org/changeset/base/283460 Log: Print out unsupported futex operation message only once for the process. Differential Revision: https://reviews.freebsd.org/D1498 Modified: head/sys/compat/linux/linux_emul.h head/sys/compat/linux/linux_futex.c Modified: head/sys/compat/linux/linux_emul.h ============================================================================== --- head/sys/compat/linux/linux_emul.h Sun May 24 17:23:08 2015 (r283459) +++ head/sys/compat/linux/linux_emul.h Sun May 24 17:25:57 2015 (r283460) @@ -61,6 +61,7 @@ int linux_common_execve(struct thread *, #define LINUX_XDEPR_REQUEUEOP 0x00000001 /* uses deprecated futex REQUEUE op*/ #define LINUX_XUNSUP_EPOLL 0x00000002 /* unsupported epoll events */ +#define LINUX_XUNSUP_FUTEXPIOP 0x00000004 /* uses unsupported pi futex */ struct linux_pemuldata { uint32_t flags; /* process emuldata flags */ Modified: head/sys/compat/linux/linux_futex.c ============================================================================== --- head/sys/compat/linux/linux_futex.c Sun May 24 17:23:08 2015 (r283459) +++ head/sys/compat/linux/linux_futex.c Sun May 24 17:25:57 2015 (r283460) @@ -936,29 +936,43 @@ linux_sys_futex(struct thread *td, struc case LINUX_FUTEX_LOCK_PI: /* not yet implemented */ - linux_msg(td, - "linux_sys_futex: " - "op LINUX_FUTEX_LOCK_PI not implemented\n"); - LIN_SDT_PROBE0(futex, linux_sys_futex, unimplemented_lock_pi); + pem = pem_find(td->td_proc); + if ((pem->flags & LINUX_XUNSUP_FUTEXPIOP) == 0) { + linux_msg(td, + "linux_sys_futex: " + "unsupported futex_pi op\n"); + pem->flags |= LINUX_XUNSUP_FUTEXPIOP; + LIN_SDT_PROBE0(futex, linux_sys_futex, + unimplemented_lock_pi); + } LIN_SDT_PROBE1(futex, linux_sys_futex, return, ENOSYS); return (ENOSYS); case LINUX_FUTEX_UNLOCK_PI: /* not yet implemented */ - linux_msg(td, - "linux_sys_futex: " - "op LINUX_FUTEX_UNLOCK_PI not implemented\n"); - LIN_SDT_PROBE0(futex, linux_sys_futex, unimplemented_unlock_pi); + pem = pem_find(td->td_proc); + if ((pem->flags & LINUX_XUNSUP_FUTEXPIOP) == 0) { + linux_msg(td, + "linux_sys_futex: " + "unsupported futex_pi op\n"); + pem->flags |= LINUX_XUNSUP_FUTEXPIOP; + LIN_SDT_PROBE0(futex, linux_sys_futex, + unimplemented_unlock_pi); + } LIN_SDT_PROBE1(futex, linux_sys_futex, return, ENOSYS); return (ENOSYS); case LINUX_FUTEX_TRYLOCK_PI: /* not yet implemented */ - linux_msg(td, - "linux_sys_futex: " - "op LINUX_FUTEX_TRYLOCK_PI not implemented\n"); - LIN_SDT_PROBE0(futex, linux_sys_futex, - unimplemented_trylock_pi); + pem = pem_find(td->td_proc); + if ((pem->flags & LINUX_XUNSUP_FUTEXPIOP) == 0) { + linux_msg(td, + "linux_sys_futex: " + "unsupported futex_pi op\n"); + pem->flags |= LINUX_XUNSUP_FUTEXPIOP; + LIN_SDT_PROBE0(futex, linux_sys_futex, + unimplemented_trylock_pi); + } LIN_SDT_PROBE1(futex, linux_sys_futex, return, ENOSYS); return (ENOSYS); @@ -985,21 +999,29 @@ linux_sys_futex(struct thread *td, struc case LINUX_FUTEX_WAIT_REQUEUE_PI: /* not yet implemented */ - linux_msg(td, - "linux_sys_futex: " - "op FUTEX_WAIT_REQUEUE_PI not implemented\n"); - LIN_SDT_PROBE0(futex, linux_sys_futex, - unimplemented_wait_requeue_pi); + pem = pem_find(td->td_proc); + if ((pem->flags & LINUX_XUNSUP_FUTEXPIOP) == 0) { + linux_msg(td, + "linux_sys_futex: " + "unsupported futex_pi op\n"); + pem->flags |= LINUX_XUNSUP_FUTEXPIOP; + LIN_SDT_PROBE0(futex, linux_sys_futex, + unimplemented_wait_requeue_pi); + } LIN_SDT_PROBE1(futex, linux_sys_futex, return, ENOSYS); return (ENOSYS); case LINUX_FUTEX_CMP_REQUEUE_PI: /* not yet implemented */ - linux_msg(td, - "linux_sys_futex: " - "op LINUX_FUTEX_CMP_REQUEUE_PI not implemented\n"); - LIN_SDT_PROBE0(futex, linux_sys_futex, - unimplemented_cmp_requeue_pi); + pem = pem_find(td->td_proc); + if ((pem->flags & LINUX_XUNSUP_FUTEXPIOP) == 0) { + linux_msg(td, + "linux_sys_futex: " + "unsupported futex_pi op\n"); + pem->flags |= LINUX_XUNSUP_FUTEXPIOP; + LIN_SDT_PROBE0(futex, linux_sys_futex, + unimplemented_cmp_requeue_pi); + } LIN_SDT_PROBE1(futex, linux_sys_futex, return, ENOSYS); return (ENOSYS);