From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 15D0517C203; Sun, 12 Jul 2026 21:25:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783891522; cv=none; b=FcNt77GolSz3z32K+ZtuaQn0ApXHtxvxwVZOlr4/njAbUN5ei/v2dcIE43Z9MrTBRVrEUdUdTnKHBObF2nEk4xjgYmukKngmTUKeavlwJIABBdbkA5C20E9k0a2UvoQ8GkaD0X1DMlJDW6mZGF/higEu6VQuAKjDiMIBbQUTzec= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783891522; c=relaxed/simple; bh=xiQKERVLXlhv9R6+U6VqsicxLm/lazckEJoktsa0NN4=; h=Date:Message-ID:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=G6CevikakztsYZIbxYJZRfmk5Uv7Su8VzIgdHtoJtO+fer8QMnlCLrxWh4RLY54LDYKYjE+8uYKqUg8+qseIu+0XiJgNgb/+S9MzWTXmeO27rdvt5Viti3axjsPR19Pmo8BmAal0Yr5HXEUJjaGbqFlLEvv9OibpY3tarOyULW8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MeR46zuk; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MeR46zuk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 18F6D1F000E9; Sun, 12 Jul 2026 21:25:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783891520; bh=rQWZ8aJgOncbggueFnURmOMnwueR0POClkrjreehrRg=; h=Date:From:To:Cc:Subject:References; b=MeR46zuk5udFu+6sitLOWkIvT2D1oWkOX3LZL64wi0Wue7pZZoj92eYrZyCHwL6re LtNulxNY9Xfv0bKY212BxpjPh6OQuqFHmkUTpzE0rrlt4QxqdZebZE1KDm4nZUEhMp ZsMDsH3MWEuTn7puKH/TLmpD43nwClU5g498mnR/jpAbyFSVn7gqOikHCa1XfLi/OZ AxtODzhSPI53UIID1Fh9XQID2bGnMTk5jyR9XlEl7In4QJRq8W/lVDvsymIMGYh57F hQWVHq+yBg4dJ6sMKRBey0cUbgn5O4cPuwCH4e7tb62pq2ioZJr+suHGx6CzXWo5pw 5bSB+97HCh1VA== Date: Sun, 12 Jul 2026 23:25:17 +0200 Message-ID: <20260712141346.576865340@kernel.org> User-Agent: quilt/0.69 From: Thomas Gleixner To: LKML Cc: =?UTF-8?q?Michal=20Such=C3=A1nek?= , Michael Ellerman , Shrikanth Hegde , linuxppc-dev@lists.ozlabs.org, Huacai Chen , loongarch@lists.linux.dev, Paul Walmsley , Palmer Dabbelt , linux-riscv@lists.infradead.org, Sven Schnelle , linux-s390@vger.kernel.org, x86@kernel.org, Mark Rutland , Jinjie Ruan , Magnus Lindholm , "Mukesh Kumar Chaurasiya (IBM)" , Jonathan Corbet , Radu Rendec Subject: [patch 1/4] entry: Rework syscall_audit_enter() References: <20260712134433.549076055@kernel.org> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Move it out of line and let it reread the syscall number on it's own. That makes the low level entry code denser and allows to move the reread to the call site of syscall_trace_enter() once the tracer is fixed up. Signed-off-by: Thomas Gleixner --- include/linux/entry-common.h | 14 +++----------- kernel/entry/syscall-common.c | 10 ++++++++++ 2 files changed, 13 insertions(+), 11 deletions(-) --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -60,16 +60,7 @@ static __always_inline bool arch_ptrace_ long trace_syscall_enter(struct pt_regs *regs, long syscall); void trace_syscall_exit(struct pt_regs *regs, long ret); - -static inline void syscall_enter_audit(struct pt_regs *regs, long syscall) -{ - if (unlikely(audit_context())) { - unsigned long args[6]; - - syscall_get_arguments(current, regs, args); - audit_syscall_entry(syscall, args[0], args[1], args[2], args[3]); - } -} +void syscall_enter_audit(struct pt_regs *regs); static __always_inline long syscall_trace_enter(struct pt_regs *regs, unsigned long work, long syscall) @@ -111,7 +102,8 @@ static __always_inline long syscall_trac if (unlikely(work & SYSCALL_WORK_SYSCALL_TRACEPOINT)) syscall = trace_syscall_enter(regs, syscall); - syscall_enter_audit(regs, syscall); + if (unlikely(audit_context())) + syscall_enter_audit(regs); return syscall; } --- a/kernel/entry/syscall-common.c +++ b/kernel/entry/syscall-common.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include #define CREATE_TRACE_POINTS @@ -21,3 +22,12 @@ void trace_syscall_exit(struct pt_regs * { trace_sys_exit(regs, ret); } + +void syscall_enter_audit(struct pt_regs *regs) +{ + long syscall = syscall_get_nr(current, regs); + unsigned long args[6]; + + syscall_get_arguments(current, regs, args); + __audit_syscall_entry(syscall, args[0], args[1], args[2], args[3]); +}