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: 13523894 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 5783455C11 for ; Fri, 19 Jan 2024 14:54:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705676043; cv=none; b=ZTdcw/szV393uHq+d6MuMN7/S8+/MHyMHF0lUmfVGcdz+8FO7LYvkesipnyfCgAJOAgjX8jPYRzqT44e/84KxbTgCZyWJgCOSAq2M7LnyWZZBjFOutY7fe6Bw36VYUHQTEpBhzteNpI/UWRaOtq+tjFJ8OiGkuAXkVq/6TfJNOU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705676043; c=relaxed/simple; bh=rpUH0q7+qhjgM4ADyrT0mqsrvcjN/GEMuVc7I8p0QC0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-type; b=A1u9ShpSgnMqCKtsupd1dps2R5lJ/4C+8D4rpjFThUTCT0cTkP1DP2Kt52q+bsnco+7nWc20qkL17PBPms6jC4dcNvaW6KI+CwFW19/DKeJaTKF9lKxmkHvlj2QO7dKbRXhX/6adcPOxVkmdaJueDGZj+uAJwmth+4FIyKnbR5U= 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=L0ImHIRm; arc=none smtp.client-ip=170.10.133.124 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="L0ImHIRm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1705676041; 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=L0ImHIRmUs5BWSvCM0O9feFAwDohIbWdRQ3HetPYcBS+LOnBh+CN3yH5lLD1hCr94sZTal Vj7OuQA2BDqWxvTHqBa+xwHkqH1Fd390nqagX2GNyMAhwoYGXolnoIEmKjxn2s1rhZvn5q zAQCzNbGgwGKl4UcHYxQO5cfB1fAwMg= 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> Precedence: bulk X-Mailing-List: linux-mips@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 10.11.54.5 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