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 99B81E87835 for ; Tue, 3 Feb 2026 14:17:07 +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=zam1ZD1A+PoOm0WPOB3rGE8poSwUMpV98xoTtBaj0x4=; b=4eXfeEv8ESLWyXc7dG3CMyblRo hvOvMfcr+3r319jlYBgMoopn66ZBom6QaYjFYmQoNJIROj3QGdQ4+v8RdfMAxVVQi/uT7QrbVhBWZ sL66IbkvD171X+EAyrHrry/jFxDQBc7vqSFjl+zGfNw39xPHnp2JIanDtLMgSgLO/pxcRXyjihgsY 4VWqLZOKbijo/69ABKrH08exb9cxOKTdtwB7NtBITZGjEYTFkG7Widwk5KpPqV653vlCTOJk7GrlR THg9sjDNhY39/jRMTCmlSHro9tXiMEpvnGVO7DnhU4PD+uF/p18ZbpWT9oza0QP1B67x4afqQQ8QS o/g68IEA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnHDA-00000006jzy-3XsX; Tue, 03 Feb 2026 14:17:00 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnHD8-00000006jzS-0zvc for linux-arm-kernel@lists.infradead.org; Tue, 03 Feb 2026 14:16:59 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 0022E44192; Tue, 3 Feb 2026 14:16:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03A20C116D0; Tue, 3 Feb 2026 14:16:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770128215; bh=zam1ZD1A+PoOm0WPOB3rGE8poSwUMpV98xoTtBaj0x4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=QZMobXiyLkOcySOAwBTdVMHFtfmDobs8TrkIhE1Q2WnUEzAc/aatxUKA4cnpszgDX SjRVCF1MUd9aWGjcLwcIR9idOw77vZNpFCo9nwdTtF5lkXiegJbEny/7g75+J6E1zp zXtk1XtEJ7tBGO1gLlrwDDcYAp0DvAIJkWWlOtVz4c60pYBRtVnc/D7jDHDbvpPrV6 ud6o+8kcgSOB1vkHQNnjVlSPdL0SXVeL/UOXBPFNWnvtBECuoXZq0NPWhlpjIVSyd/ iwjNJidV9dF5dXxPaBKsgamZEvVzNTe+FF1J+urLZtdZ5n/GlRVNF3dK4ElCBOgWnM tHbvUsDisodPQ== From: Thomas Gleixner To: Jinjie Ruan , catalin.marinas@arm.com, will@kernel.org, oleg@redhat.com, shuah@kernel.org, kees@kernel.org, luto@amacapital.net, wad@chromium.org, kevin.brodsky@arm.com, akpm@linux-foundation.org, charlie@rivosinc.com, ldv@strace.io, anshuman.khandual@arm.com, mark.rutland@arm.com, ryan.roberts@arm.com, thuth@redhat.com, song@kernel.org, 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 v12 00/13] arm64: entry: Convert to Generic Entry In-Reply-To: <20260203133728.848283-1-ruanjinjie@huawei.com> References: <20260203133728.848283-1-ruanjinjie@huawei.com> Date: Tue, 03 Feb 2026 15:16:51 +0100 Message-ID: <87bji552uk.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260203_061658_350313_5C2D3C49 X-CRM114-Status: GOOD ( 11.12 ) 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 Tue, Feb 03 2026 at 21:37, Jinjie Ruan wrote: > Currently, x86, Riscv, Loongarch use the Generic Entry which makes > maintainers' work easier and codes more elegant. arm64 has already > successfully switched to the Generic IRQ Entry in commit > b3cf07851b6c ("arm64: entry: Switch to generic IRQ entry"), it is > time to completely convert arm64 to Generic Entry. > > The goal is to bring arm64 in line with other architectures that already > use the generic entry infrastructure, reducing duplicated code and > making it easier to share future changes in entry/exit paths, such as > "Syscall User Dispatch". > > This patch set is rebased on "sched/core". And the performance Why are you using sched/core, which contains a lot of unrelated changes. core/entry is the one which has the prerequisites and nothing else....