From patchwork Fri Jan 19 14:52:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoquan He X-Patchwork-Id: 13523933 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 A909EC47DAF for ; Fri, 19 Jan 2024 14:54:20 +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=AyFhK7STV8Tf2UeFVGjuhsysmB3Hw5jkj+8Mu/zBQ7Y=; b=dx1dGC0u+4MZ6E 8snXFj/J6nZjmyvuUA1rP3csb+URdm+smm8fH22AXMaLOCAjffL1aierGuOUkLU3ack5v2kKSy+UJ mJrRUibwbiJiLpFrZWE3dMbZTLPWyNuAd5rwvJRRzekeqmvEu5ErkDSqrLPeUGqRSFjHCf4AxXWjD 3nIHSpXjVzilEysYnVV0bGyTTB93l/ivp4MwXCdiMYTzHRTT5H/9FbN3x/mgNq8JC3hgAdS7JitrJ /AHCNvx2nrlDkpiqEmxa+LG6i5wT4WtdIkipwylxqEcOsyu7bkGKD8jF8IfGHBlvXGkLMpR55V7JG VTbzk7ie4Pux2ri+jj4g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rQqG4-005tzv-1W; Fri, 19 Jan 2024 14:54:12 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rQqFr-005tqJ-0l for linux-riscv@lists.infradead.org; Fri, 19 Jan 2024 14:54:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1705676037; 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=dlnghyw81CpGwF6moUBtvugzcbNEO3VWIFUoR7h2Ajk=; b=RBpJEJ4U00z+wSDQH4Lm6hwSIK+CxCZtkx7c7jdEQOaK5GD4klDoLCO1RsoJxs8NGumJf0 RRR72Uhb2Lu0qJPOiHNNlWV96ORidopc88QY9xa0gsMljIYwWQxG7GBadM1pEUJdnwcBbo I8/zdKI/6Kupb299wVwAB1R7q44Nb7o= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-586-pami_hTRMLW5sk65b-Os0Q-1; Fri, 19 Jan 2024 09:53:55 -0500 X-MC-Unique: pami_hTRMLW5sk65b-Os0Q-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (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 B550480007C; Fri, 19 Jan 2024 14:53:54 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.116.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id 674B951D5; Fri, 19 Jan 2024 14:53:47 +0000 (UTC) From: Baoquan He To: linux-kernel@vger.kernel.org Cc: kexec@lists.infradead.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, loongarch@lists.linux.dev, akpm@linux-foundation.org, ebiederm@xmission.com, hbathini@linux.ibm.com, piliu@redhat.com, viro@zeniv.linux.org.uk, Baoquan He Subject: [PATCH v2 08/14] ppc, crash: enforce KEXEC and KEXEC_FILE to select CRASH_DUMP Date: Fri, 19 Jan 2024 22:52:35 +0800 Message-ID: <20240119145241.769622-9-bhe@redhat.com> In-Reply-To: <20240119145241.769622-1-bhe@redhat.com> References: <20240119145241.769622-1-bhe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240119_065359_404684_D38D3DDC X-CRM114-Status: UNSURE ( 7.35 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org In PowerPC, the crash dumping and kexec reboot share code in arch_kexec_locate_mem_hole(), in which struct crash_mem is used. Here enfoce enforce KEXEC and KEXEC_FILE to select CRASH_DUMP for now. Signed-off-by: Baoquan He --- arch/powerpc/Kconfig | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 1cdb8fdd3735..fc3cd7f4bb73 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -608,6 +608,10 @@ config PPC64_SUPPORTS_MEMORY_FAILURE config ARCH_SUPPORTS_KEXEC def_bool PPC_BOOK3S || PPC_E500 || (44x && !SMP) +config ARCH_SELECTS_KEXEC + def_bool y + select CRASH_DUMP + config ARCH_SUPPORTS_KEXEC_FILE def_bool PPC64 @@ -618,6 +622,7 @@ config ARCH_SELECTS_KEXEC_FILE def_bool y depends on KEXEC_FILE select KEXEC_ELF + select CRASH_DUMP select HAVE_IMA_KEXEC if IMA config PPC64_BIG_ENDIAN_ELF_ABI_V2