From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8085CD49C93 for ; Fri, 30 Jan 2026 10:11:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Date:References:In-Reply-To:Subject:Cc:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=OgUndOypNLu/9KFaBCQS1R11yWA4Ey0kMJOvTLtFBNU=; b=5AA5HZMMCjavLdz6ok6YQKzPfX SBfeW8zvgkiksDvBaQPXm28UvrHlb5wahb8h9JWLT+j954dXsVfEiPfOGmo+7Lhqr+F5p7bT6iJqB sKmSTbb+x6D+58vq5jwZrWFNbpm/VD6lH1mH78JJKnYOVw7YQlPjGjELoyEbZaThrP7aUM00+U9Gd z4/rYUIs0Y0ypDKR6Sud3ctLvDtdLbh4PKUjnm30H7NqTIS3LcvfbylhZUWqNPWfnQvVHF6VbbtUe cLiyYnhVo5eChMxWwbvxf00Fi7R9QIE5vveUBtgVe74LA74jId99tJLkR1n6F9qUw/FfmMFkZaCKK Vw8dgRDQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vllTc-00000001Iaq-2bv2; Fri, 30 Jan 2026 10:11:44 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vllTa-00000001Iac-3DA0 for linux-arm-kernel@lists.infradead.org; Fri, 30 Jan 2026 10:11:42 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 8CC0A6001A; Fri, 30 Jan 2026 10:11:41 +0000 (UTC) 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> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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