From patchwork Thu Nov 23 07:36:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoquan He X-Patchwork-Id: 13465885 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 71D6BC61D97 for ; Thu, 23 Nov 2023 07:37:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/4UF5B79yqr3lFexNp0WzR5ILkquy1RrdOG7JKIj7q4=; b=jrn0YZ6tsSjjtN 5fgx4h4Vw3kr18ie/2Z06XaIJIlSX48NuCpGCPvx/OQjEsT+LOh1U0W2kC17k0GtiCTviGS0Aojq3 PszQHvcJVGm+hHdVzd1/z1IcmTA9AvLMsUJbwxQn0237NHyiMIcrR3AniGJUtvozBC0zIHYnJma6h m8pLNJKO++gLtmRKLRpOOpw54h04yNIB+Cmwjxlf7a4yUGThS+RyIBvaeIn7wY+rHIIZ0FApY//4X E0YmbTQlJBkV3STgrZeVSEVtYtyjhpTzF/ibgcSQIDwrf+DBkO6AN3Jj9lDBu6HsT7Nsx3ih32BgE yCQgSDzF8eDvF5iSxVuA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r64H4-0043Qw-1n; Thu, 23 Nov 2023 07:37:22 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r64Gw-0043NL-2E for linux-arm-kernel@lists.infradead.org; Thu, 23 Nov 2023 07:37:16 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1700725033; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wTxZp7IAJ5tqHMXIk6EvW9Wy4WUO6cPHf5Pu383zIf4=; b=HMLsRAmrtvLK6FJwHF6RLemj0xevTlhWOG28BzgfiTtMNhHj/HmJF3I5BwrkAT0TSq9Z/K h1wzcDct5VKZHaj4gvYkvmMYxda+itiWntc0qWZSWp7LS7jPJsm2WV2UUto1MWNBzGz7Ua lrlTIUHQmuLx111WE0wA1VkdncUTCE4= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-195-agVDURNePc2VBZtr2xZy6w-1; Thu, 23 Nov 2023 02:37:10 -0500 X-MC-Unique: agVDURNePc2VBZtr2xZy6w-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1885228EA6F3; Thu, 23 Nov 2023 07:37:10 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.112.97]) by smtp.corp.redhat.com (Postfix) with ESMTP id F2F6B492BFA; Thu, 23 Nov 2023 07:37:06 +0000 (UTC) From: Baoquan He To: linux-kernel@vger.kernel.org Cc: kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, akpm@linux-foundation.org, ignat@cloudflare.com, eric_devolder@yahoo.com, Baoquan He Subject: [PATCH 3/3] s390/Kconfig: drop select of KEXEC Date: Thu, 23 Nov 2023 15:36:52 +0800 Message-ID: <20231123073652.507034-4-bhe@redhat.com> In-Reply-To: <20231123073652.507034-1-bhe@redhat.com> References: <20231123073652.507034-1-bhe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231122_233714_794280_6D03CB54 X-CRM114-Status: UNSURE ( 8.48 ) X-CRM114-Notice: Please train this message. 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 No proof is found to require that S390 architecture has to select KEXEC. At least from my testing at below, dropping select of KEXEC won't impact anything. ===testing 1=== CONFIG_CRASH_CORE=y CONFIG_KEXEC_CORE=y CONFIG_CRASH_DUMP=y === ===testing 2=== CONFIG_CRASH_CORE=y CONFIG_KEXEC_CORE=y CONFIG_KEXEC_FILE=y CONFIG_CRASH_DUMP=y === So drop the select of KEXEC now. Signed-off-by: Baoquan He --- arch/s390/Kconfig | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 3bec98d20283..1aec2e692dca 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -217,7 +217,6 @@ config S390 select HAVE_VIRT_CPU_ACCOUNTING_IDLE select IOMMU_HELPER if PCI select IOMMU_SUPPORT if PCI - select KEXEC select MMU_GATHER_MERGE_VMAS select MMU_GATHER_NO_GATHER select MMU_GATHER_RCU_TABLE_FREE