From patchwork Wed Jan 24 05:12:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoquan He X-Patchwork-Id: 13528569 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 796F3FBF2 for ; Wed, 24 Jan 2024 05:14:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706073247; cv=none; b=aJP+pfXfH09coX5KJJvgB5MWBR9K8Lho1VvZZOA+6jVjpnL23nFyVhtKu9KWrb4hI3lXSVWO2gz7cT8XtKljBO5lxQkFIaxsmqtVs+WJ0v5E1m3gNYzlvyGAuwKIIVeIw1AGjNlV60ADaB5tJMmZ/BwO08nMFkN0wDS3JTf0tPg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706073247; c=relaxed/simple; bh=dkYTv4vv/1SoWwXXD+uudRFCP4mJqhIMMcl51qz1x/w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-type; b=KHot75TenlW+2XP1aHPNwL5zhdh/OlpP5kY7Q9LkSciRY6sHw9/yyaWsnjgDv6tXwliC6+WVrBVknEp2UAO7fJsHO14kacUN6TvXsYuqlXVRxS+WauZR/61aH/mm0pRlmISQL7JxsXGlwe5ih+JRRwVz9XaOxZOVdsowgHFDllY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=VwjXpBaE; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VwjXpBaE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706073244; 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=XGJ4xzKEBHQCL+Lx7EHmlxoam/nGU3dZpz0/i2oQX6A=; b=VwjXpBaEXdmu2UKlpmgW/lvW3R0awLWiuFr/2Y1y64HFB8STrRiakxEprD45+zCc72SscD B4TDgEHPC3QcOl0SjBFT3V/rAEZg7o6NXosbNYJlSr4fMbhTbudvafHwJEJ7hzSCBlmx5/ BHOpOgIuibRGjS4eeXNP/+HZXG7tRNQ= 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-647-mzXdjdWzM6OsVmH87hSpMw-1; Wed, 24 Jan 2024 00:14:01 -0500 X-MC-Unique: mzXdjdWzM6OsVmH87hSpMw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (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 C1D2C185A780; Wed, 24 Jan 2024 05:14:00 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.116.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id 367081C060AF; Wed, 24 Jan 2024 05:13:54 +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 linux-next v3 08/14] ppc, crash: enforce KEXEC and KEXEC_FILE to select CRASH_DUMP Date: Wed, 24 Jan 2024 13:12:48 +0800 Message-ID: <20240124051254.67105-9-bhe@redhat.com> In-Reply-To: <20240124051254.67105-1-bhe@redhat.com> References: <20240124051254.67105-1-bhe@redhat.com> Precedence: bulk X-Mailing-List: linux-sh@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 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 e66fd9923250..31f013e636e3 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