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 X-Spam-Level: X-Spam-Status: No, score=-19.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EBB51C11F8B for ; Mon, 12 Jul 2021 07:09:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C8D3A60FF0 for ; Mon, 12 Jul 2021 07:09:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242712AbhGLHMJ (ORCPT ); Mon, 12 Jul 2021 03:12:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:49830 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239823AbhGLGuD (ORCPT ); Mon, 12 Jul 2021 02:50:03 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2F16C60FE3; Mon, 12 Jul 2021 06:47:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626072435; bh=8BEMKaS714OT+apHIX5solBA0W7/5V5TO7cFAvn5F28=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mwOuJuRfigOJkKXcXfLrh5xiCycS6GrkLm0hliHA0brYi1hYasafi0UtFWBoODsSy bZSzaZ647qTFoHFL9+7FiZorRkejtVwn5luqdo833RuwTHUCPfencaFu64mLJN8i+K KaOn118or45CwOu+islYC0e2BGVdiVTgOMiCM2r0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Heiko Carstens , Sasha Levin Subject: [PATCH 5.10 496/593] s390/irq: select HAVE_IRQ_EXIT_ON_IRQ_STACK Date: Mon, 12 Jul 2021 08:10:56 +0200 Message-Id: <20210712060945.973018175@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060843.180606720@linuxfoundation.org> References: <20210712060843.180606720@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Heiko Carstens [ Upstream commit 9ceed9988a8e6a1656ed2bdaa30501cf0f3dd925 ] irq_exit() is always called on async stack. Therefore select HAVE_IRQ_EXIT_ON_IRQ_STACK and get a tiny optimization in invoke_softirq(). Signed-off-by: Heiko Carstens Signed-off-by: Sasha Levin --- arch/s390/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 4a2a12be04c9..dc5c3e6fd200 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -154,6 +154,7 @@ config S390 select HAVE_FUTEX_CMPXCHG if FUTEX select HAVE_GCC_PLUGINS select HAVE_GENERIC_VDSO + select HAVE_IRQ_EXIT_ON_IRQ_STACK select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZ4 -- 2.30.2