From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 9A95C3346A0; Fri, 30 Jan 2026 10:11:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769767901; cv=none; b=XDDDzuWb8eeOAM/X2SnHWEYgPaJNlE64BL4OqPsbsjGM8T/luNoj/0jnlRwp31LQCeQc79f8Sk/Tmtm8qJvcaNsXYj9AAZHLwaWzg34YAR4pJlCJwLTCk0787d2qgUhxTNdKwKE4GMqKY4Y5gpM8wY9JgsIqdzY5y383XaezINc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769767901; c=relaxed/simple; bh=9MLMNv6i/VETsajuHB63tIw1p1yq5Nm0ZcNMwIX7BuY=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=N4+1bUaTrff9Usgp+3fhmBG7ztIUIIs5miQd7gz8AqrlST5BtOXBUJ0rWXJWFyCWjsKBI6zmqciAVoCrR/mqBA5HU9xYC83/6owgT66qXyE6f3K8HcQeXBKYbUAc009/HfQLPwoQlf/i41ymWXw3tt5f526ouM7IF+GBAvgdOy4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DdFuT2+V; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DdFuT2+V" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 71A36C4CEF7; Fri, 30 Jan 2026 10:11:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769767901; bh=9MLMNv6i/VETsajuHB63tIw1p1yq5Nm0ZcNMwIX7BuY=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=DdFuT2+VHs6kZg8CD5iPcNfYkkCu0NIDtSMa4iYCb+f5bAx+3oS0UcEGevaYTYpUN N3xhfjgdq5UoBg3emDII5zo6WtOq7OYzY+apggaXyNg856pBizL6BNjeHAxj9qqp5n 0yNfOhA0u3ynkPfzpGdiwZ+JBs12LKZGIIfSIVS+oTs3vxd+WtHuCZQ3ZrSba+mIdh +rUhAe2Ragr0DoPnsHEiC7JMFbUt84yD6W3OLpgL6V0Avk0k013+UTpdz+mrXkIQPA jbQcH8iliPqJzY+DPiciFor4gNQ5WsNvKWTrUwFh6iQoSfoyOGPRAFiOHF6NVGqAyA wU0R9XQ1Z2yWg== From: Thomas Gleixner To: Jinjie Ruan , catalin.marinas@arm.com, will@kernel.org, oleg@redhat.com, peterz@infradead.org, luto@kernel.org, shuah@kernel.org, kees@kernel.org, wad@chromium.org, kevin.brodsky@arm.com, deller@gmx.de, akpm@linux-foundation.org, charlie@rivosinc.com, ldv@strace.io, mark.rutland@arm.com, anshuman.khandual@arm.com, song@kernel.org, ryan.roberts@arm.com, thuth@redhat.com, ada.coupriediaz@arm.com, broonie@kernel.org, pengcan@kylinos.cn, liqiang01@kylinos.cn, kmal@cock.li, dvyukov@google.com, reddybalavignesh9979@gmail.com, richard.weiyang@gmail.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: ruanjinjie@huawei.com Subject: Re: [PATCH v11 01/14] entry: Remove unused syscall in syscall_trace_enter() In-Reply-To: <20260128031934.3906955-2-ruanjinjie@huawei.com> References: <20260128031934.3906955-1-ruanjinjie@huawei.com> <20260128031934.3906955-2-ruanjinjie@huawei.com> Date: Fri, 30 Jan 2026 11:11:37 +0100 Message-ID: <87tsw3l89y.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Wed, Jan 28 2026 at 11:19, Jinjie Ruan wrote: > The 'syscall' argument in syscall_trace_enter() is immediately overwritten > before any real use and serves only as a local variable, so drop > the parameter. This collides with the already queued time slice extension changes, which rely on syscall to be handed in: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=sched/core&id=dd0a04606937af5810e9117d343ee3792635bd3d Please drop this for now. Thanks, tglx