From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751328AbZHSMTQ (ORCPT ); Wed, 19 Aug 2009 08:19:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751171AbZHSMTP (ORCPT ); Wed, 19 Aug 2009 08:19:15 -0400 Received: from hera.kernel.org ([140.211.167.34]:51416 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751058AbZHSMTO (ORCPT ); Wed, 19 Aug 2009 08:19:14 -0400 Date: Wed, 19 Aug 2009 12:18:37 GMT From: tip-bot for Ingo Molnar To: linux-tip-commits@vger.kernel.org Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, schwidefsky@de.ibm.com, lethal@linux-sh.org, fweisbec@gmail.com, rostedt@goodmis.org, heiko.carstens@de.ibm.com, tglx@linutronix.de, jbaron@redhat.com, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, schwidefsky@de.ibm.com, lethal@linux-sh.org, fweisbec@gmail.com, rostedt@goodmis.org, heiko.carstens@de.ibm.com, jbaron@redhat.com, tglx@linutronix.de, mingo@elte.hu In-Reply-To: References: Subject: [tip:tracing/core] [S390] ftrace: update system call tracer support Message-ID: Git-Commit-ID: 5e9ad7df9fd056f1071af8aa91034a1c3170257d X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Wed, 19 Aug 2009 12:18:38 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 5e9ad7df9fd056f1071af8aa91034a1c3170257d Gitweb: http://git.kernel.org/tip/5e9ad7df9fd056f1071af8aa91034a1c3170257d Author: Ingo Molnar AuthorDate: Tue, 18 Aug 2009 10:41:57 +0200 Committer: Ingo Molnar CommitDate: Wed, 19 Aug 2009 14:16:15 +0200 [S390] ftrace: update system call tracer support Commit fb34a08c3 ("tracing: Add trace events for each syscall entry/exit") changed the lowlevel API to ftrace syscall tracing but did not update s390 which started making use of it recently. This broke the s390 build, as reported by Paul Mundt. Update the callbacks with the syscall number and the syscall return code values. This allows per syscall tracepoints, syscall argument enumeration /debug/tracing/events/syscalls/ and perfcounters support and integration on s390 too. Reported-by: Paul Mundt Acked-by: Martin Schwidefsky Cc: Heiko Carstens Cc: Jason Baron Cc: Steven Rostedt Cc: Frederic Weisbecker LKML-Reference: Signed-off-by: Ingo Molnar --- arch/s390/kernel/ptrace.c | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 43acd73..c5e87d8 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -51,6 +51,9 @@ #include "compat_ptrace.h" #endif +DEFINE_TRACE(syscall_enter); +DEFINE_TRACE(syscall_exit); + enum s390_regset { REGSET_GENERAL, REGSET_FP, @@ -662,7 +665,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) } if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE))) - ftrace_syscall_enter(regs); + trace_syscall_enter(regs, regs->gprs[2]); if (unlikely(current->audit_context)) audit_syscall_entry(is_compat_task() ? @@ -680,7 +683,7 @@ asmlinkage void do_syscall_trace_exit(struct pt_regs *regs) regs->gprs[2]); if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE))) - ftrace_syscall_exit(regs); + trace_syscall_exit(regs, regs->gprs[2]); if (test_thread_flag(TIF_SYSCALL_TRACE)) tracehook_report_syscall_exit(regs, 0);