Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753787AbZK0XGI (ORCPT ); Fri, 27 Nov 2009 18:06:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753753AbZK0XGH (ORCPT ); Fri, 27 Nov 2009 18:06:07 -0500 Received: from server1.wserver.cz ([82.113.45.157]:60405 "EHLO server1.wserver.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753170AbZK0XGD (ORCPT ); Fri, 27 Nov 2009 18:06:03 -0500 From: Jiri Slaby To: jirislaby@gmail.com Cc: mingo@elte.hu, nhorman@tuxdriver.com, sfr@canb.auug.org.au, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, marcin.slusarz@gmail.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, torvalds@linux-foundation.org, oleg@redhat.com Subject: [PATCH v3 03/27] core: add task_struct to update_rlimit_cpu Date: Sat, 28 Nov 2009 00:05:43 +0100 Message-Id: <1259363167-9347-3-git-send-email-jslaby@suse.cz> X-Mailer: git-send-email 1.6.5.3 In-Reply-To: <1259363167-9347-1-git-send-email-jslaby@suse.cz> References: <1259363167-9347-1-git-send-email-jslaby@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3086 Lines: 87 From: Jiri Slaby Add task_struct as a parameter to update_rlimit_cpu to be able to set rlimit_cpu of different task than current. Signed-off-by: Jiri Slaby Acked-by: James Morris --- include/linux/posix-timers.h | 2 +- kernel/posix-cpu-timers.c | 10 +++++----- kernel/sys.c | 2 +- security/selinux/hooks.c | 3 ++- 4 files changed, 9 insertions(+), 8 deletions(-) diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h index 4f71bf4..3e23844 100644 --- a/include/linux/posix-timers.h +++ b/include/linux/posix-timers.h @@ -117,6 +117,6 @@ void set_process_cpu_timer(struct task_struct *task, unsigned int clock_idx, long clock_nanosleep_restart(struct restart_block *restart_block); -void update_rlimit_cpu(unsigned long rlim_new); +void update_rlimit_cpu(struct task_struct *task, unsigned long rlim_new); #endif diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index 5c9dc22..102c345 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -13,16 +13,16 @@ /* * Called after updating RLIMIT_CPU to set timer expiration if necessary. */ -void update_rlimit_cpu(unsigned long rlim_new) +void update_rlimit_cpu(struct task_struct *task, unsigned long rlim_new) { cputime_t cputime = secs_to_cputime(rlim_new); - struct signal_struct *const sig = current->signal; + struct signal_struct *const sig = task->signal; if (cputime_eq(sig->it[CPUCLOCK_PROF].expires, cputime_zero) || cputime_gt(sig->it[CPUCLOCK_PROF].expires, cputime)) { - spin_lock_irq(¤t->sighand->siglock); - set_process_cpu_timer(current, CPUCLOCK_PROF, &cputime, NULL); - spin_unlock_irq(¤t->sighand->siglock); + spin_lock_irq(&task->sighand->siglock); + set_process_cpu_timer(task, CPUCLOCK_PROF, &cputime, NULL); + spin_unlock_irq(&task->sighand->siglock); } } diff --git a/kernel/sys.c b/kernel/sys.c index 9898a8a..71e4eb1 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1286,7 +1286,7 @@ SYSCALL_DEFINE2(setrlimit, unsigned int, resource, struct rlimit __user *, rlim) if (new_rlim.rlim_cur == RLIM_INFINITY) goto out; - update_rlimit_cpu(new_rlim.rlim_cur); + update_rlimit_cpu(current, new_rlim.rlim_cur); out: return 0; } diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 1167f01..dac6c88 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2366,7 +2366,8 @@ static void selinux_bprm_committing_creds(struct linux_binprm *bprm) initrlim = init_task.signal->rlim + i; rlim->rlim_cur = min(rlim->rlim_max, initrlim->rlim_cur); } - update_rlimit_cpu(current->signal->rlim[RLIMIT_CPU].rlim_cur); + update_rlimit_cpu(current, + current->signal->rlim[RLIMIT_CPU].rlim_cur); } } -- 1.6.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/