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 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 9BBB1C47422 for ; Wed, 24 Jan 2024 05:13:58 +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=uZC4DLpFzZBSbbAm0bFXPhMSK69hia1DMZvIYN0scL0=; b=ZuUWgbN/d8W5wt KJGoeNzwbbwgvZYescmLMdihVrygRcg8SNjRJCY/6g0pBr4yJqi4DbB8c+Lj0WCX5DDbKnqqq8fAJ jk1XjQruBVxT4YLcT0jLVpQnMwBuV5wlflw0jdhbYvuJwtoPi7macCyD/OhOqOu3GDSQp/pX9yuCr PqJurpGVDn3XzP31pOLRRqlX28A69Y3hwPAY7GyM+Q8C9VmIdmcV3zVA9ctP7fAvPvE2W1/EsEOKH RiGq2sk8Lruc7yB/FHZzFxJdBMPt1oG4J525swwBYN7NiBbZQRhNCUnaiIUA/ad+WpKVzUguspNw3 30LRtTg5T/QRXzS4i7Ag==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rSVaG-001WmI-2T; Wed, 24 Jan 2024 05:13:56 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rSVaF-001Wkq-1Q for kexec@bombadil.infradead.org; Wed, 24 Jan 2024 05:13:55 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:Content-type :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Sender:Reply-To:Content-ID:Content-Description; bh=idAf8C8vEaEPhamo8i8Q+7QtJLmbWmmoc+K4mQqU0s4=; b=IEyKlkUF1a52OkSVSAxL+Is0p5 D86xpongBFHxiizB3TnxJdtLSkIAYJ3J2wSwKLTYoiN2quKPRVvDXloS+lP3In3/pqMeRCjHNVKlE lgR/0QRVAuEpzPE/QWbM8NG0IG/YwrQdb20hlzZ3y7FdV5PZ3E2ePjmguvjmxdzfjyHFyT/o6J8yB k4J74FQSPI+QPhSLL1Xzq4ZF87FM8XWL/8fQrtQz23EfhMu4l3WRWHYefguZDIHmlyq4ez2pk2F85 OcwsyuF9R3QciMqjtqDJ1jot1ZF8sizNYksm+OAHjg5yKwvxeKY9IP1GP7GcacpJdCFBybECbws+p 7c2kZkfw==; Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by desiato.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rSVaA-00000004FEM-3DOy for kexec@lists.infradead.org; Wed, 24 Jan 2024 05:13:53 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706073225; 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=idAf8C8vEaEPhamo8i8Q+7QtJLmbWmmoc+K4mQqU0s4=; b=XfIfF580qNkTbpJdqyRrdHKIN1krMboeXWsGEwWkCTMz35k8ING/Grq9Z7w8ubHeUT9q49 riRB4N7sntsK/gNRzjMMDamusuejObSXUZ/WsmIDkaUJ2u/q67xRf9z1PM8BSnI+lUhOp6 i5rsdvF/HClzbI74EIloyfd5wyKhAOw= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706073226; 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=idAf8C8vEaEPhamo8i8Q+7QtJLmbWmmoc+K4mQqU0s4=; b=cmDB7FFlTDfyJ21q/mM4jIlxLB27dLRgVefWN1YZ1BebTtnO1Jp04x/MUHucku5rdjss1w vOjkYEkTewFl0W6Yajge2O+Qi1CvzqhwVW8eGT6u5FrdDWdJ8m8iyRf6c/G0o6z82JGqo4 I2nqOvooi7b8kcmSBaD7coB0uSio+WU= 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-101-ttLakTbNM3uB_a-svY1mPA-1; Wed, 24 Jan 2024 00:13:41 -0500 X-MC-Unique: ttLakTbNM3uB_a-svY1mPA-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 A8E4738212D7; Wed, 24 Jan 2024 05:13:40 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.116.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id 18A5F1C060AF; Wed, 24 Jan 2024 05:13:34 +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 05/14] crash: clean up kdump related config items Date: Wed, 24 Jan 2024 13:12:45 +0800 Message-ID: <20240124051254.67105-6-bhe@redhat.com> In-Reply-To: <20240124051254.67105-1-bhe@redhat.com> References: <20240124051254.67105-1-bhe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240124_051351_042424_AFBFA5D0 X-CRM114-Status: UNSURE ( 8.19 ) X-CRM114-Notice: Please train this message. X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org By splitting CRASH_RESERVE and VMCORE_INFO out from CRASH_CORE, cleaning up the dependency of FA_DMUMP on CRASH_DUMP, and moving crash codes from kexec_core.c to crash_core.c, now we can rearrange CRASH_DUMP to depend on KEXEC_CORE, and make CRASH_DUMP select CRASH_RESERVE and VMCORE_INFO. KEXEC_CORE won't select CRASH_RESERVE and VMCORE_INFO any more because KEXEC_CORE enables codes which allocate control pages, copy kexec/kdump segments, and prepare for switching. These codes are shared by both kexec reboot and crash dumping. Doing this makes codes and the corresponding config items more logical (the right item depends on or is selected by the left item). PROC_KCORE -----------> VMCORE_INFO |----------> VMCORE_INFO FA_DUMP----| |----------> CRASH_RESERVE ---->VMCORE_INFO / |---->CRASH_RESERVE KEXEC --| /| |--> KEXEC_CORE--> CRASH_DUMP-->/-|---->PROC_VMCORE KEXEC_FILE --| \ | \---->CRASH_HOTPLUG KEXEC --| |--> KEXEC_CORE--> kexec reboot KEXEC_FILE --| Signed-off-by: Baoquan He --- kernel/Kconfig.kexec | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/kernel/Kconfig.kexec b/kernel/Kconfig.kexec index 8faf27043432..6c34e63c88ff 100644 --- a/kernel/Kconfig.kexec +++ b/kernel/Kconfig.kexec @@ -9,8 +9,6 @@ config VMCORE_INFO bool config KEXEC_CORE - select VMCORE_INFO - select CRASH_RESERVE bool config KEXEC_ELF @@ -99,8 +97,11 @@ config KEXEC_JUMP config CRASH_DUMP bool "kernel crash dumps" + default y depends on ARCH_SUPPORTS_CRASH_DUMP - select KEXEC_CORE + depends on KEXEC_CORE + select VMCORE_INFO + select CRASH_RESERVE help Generate crash dump after being started by kexec. This should be normally only set in special crash dump kernels -- 2.41.0 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec From mboxrd@z Thu Jan 1 00:00:00 1970 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 B4FA1F514 for ; Wed, 24 Jan 2024 05:13:47 +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=1706073229; cv=none; b=WfCZXFa/gr+yBNZ/i+2CrQS3VpIGyvh8zsxiWKLy/amQhFm0CUz1d2oFYlVuoPM1L5X6K7tnr+sfa9M7ZcWCYUVyScgDnPkpb1/6Q9OPamGtGkT2NKfZE4q2tR8/bgg31KaxSzDhJ6gXzFL0XaS8ejGxJz1zzkJDwQMD7j4GSqY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706073229; c=relaxed/simple; bh=hFskVw87Sdr8raPjNAxR5rfjJTmG9iVV6lVF91D6qJA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-type; b=m8KkL6Uc5UtoNX8PjFTZyFVtMtm0crJr+EsOuUJuQzTs7kp1wR9pbbtq4Me61cA2IRGMWsPZO3hFGz8SnRmFyNyIBiY4ij58S2+HXUcXt7Up9AuQ92VzAhOKN9q9SeQc/NzyN1dXl5pzTIshzAjksV/ANMyNxbTMPGhqzLZQDf0= 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=cmDB7FFl; 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="cmDB7FFl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706073226; 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=idAf8C8vEaEPhamo8i8Q+7QtJLmbWmmoc+K4mQqU0s4=; b=cmDB7FFlTDfyJ21q/mM4jIlxLB27dLRgVefWN1YZ1BebTtnO1Jp04x/MUHucku5rdjss1w vOjkYEkTewFl0W6Yajge2O+Qi1CvzqhwVW8eGT6u5FrdDWdJ8m8iyRf6c/G0o6z82JGqo4 I2nqOvooi7b8kcmSBaD7coB0uSio+WU= 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-101-ttLakTbNM3uB_a-svY1mPA-1; Wed, 24 Jan 2024 00:13:41 -0500 X-MC-Unique: ttLakTbNM3uB_a-svY1mPA-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 A8E4738212D7; Wed, 24 Jan 2024 05:13:40 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.116.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id 18A5F1C060AF; Wed, 24 Jan 2024 05:13:34 +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 05/14] crash: clean up kdump related config items Date: Wed, 24 Jan 2024 13:12:45 +0800 Message-ID: <20240124051254.67105-6-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-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 By splitting CRASH_RESERVE and VMCORE_INFO out from CRASH_CORE, cleaning up the dependency of FA_DMUMP on CRASH_DUMP, and moving crash codes from kexec_core.c to crash_core.c, now we can rearrange CRASH_DUMP to depend on KEXEC_CORE, and make CRASH_DUMP select CRASH_RESERVE and VMCORE_INFO. KEXEC_CORE won't select CRASH_RESERVE and VMCORE_INFO any more because KEXEC_CORE enables codes which allocate control pages, copy kexec/kdump segments, and prepare for switching. These codes are shared by both kexec reboot and crash dumping. Doing this makes codes and the corresponding config items more logical (the right item depends on or is selected by the left item). PROC_KCORE -----------> VMCORE_INFO |----------> VMCORE_INFO FA_DUMP----| |----------> CRASH_RESERVE ---->VMCORE_INFO / |---->CRASH_RESERVE KEXEC --| /| |--> KEXEC_CORE--> CRASH_DUMP-->/-|---->PROC_VMCORE KEXEC_FILE --| \ | \---->CRASH_HOTPLUG KEXEC --| |--> KEXEC_CORE--> kexec reboot KEXEC_FILE --| Signed-off-by: Baoquan He --- kernel/Kconfig.kexec | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/kernel/Kconfig.kexec b/kernel/Kconfig.kexec index 8faf27043432..6c34e63c88ff 100644 --- a/kernel/Kconfig.kexec +++ b/kernel/Kconfig.kexec @@ -9,8 +9,6 @@ config VMCORE_INFO bool config KEXEC_CORE - select VMCORE_INFO - select CRASH_RESERVE bool config KEXEC_ELF @@ -99,8 +97,11 @@ config KEXEC_JUMP config CRASH_DUMP bool "kernel crash dumps" + default y depends on ARCH_SUPPORTS_CRASH_DUMP - select KEXEC_CORE + depends on KEXEC_CORE + select VMCORE_INFO + select CRASH_RESERVE help Generate crash dump after being started by kexec. This should be normally only set in special crash dump kernels -- 2.41.0 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 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 3DA7EC46CD2 for ; Wed, 24 Jan 2024 05:14:07 +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=Gha7cCn8aqLvVzJsPie+gat87zqV+fPBZtoGtkAyVF4=; b=KYbCftKK7KK1Zp X02AUIYMEd5lwn03GZhON8ZCleRznPbmItaoYn2JLb/LRSIBB79VORxL+AZT8UGJXC79etaebRoFN yDUGPsutiDInYn8WmpcQx6EGkCT0Au8JLitgwdp1hgdCN6JW9RhFeEs+8AGzoQcT4aMsCvbdSsH4g KG74ikQIlA/uEjcWJetcuayGtHFcQnL1FhuIS9dw/6r5Zh8h9PoZ0MK2oUxROJ8nePy72jl0MImWf q2pmzu1vyQKTSifub0eLuRKLaKE5pjYAleM/BH/qn1WieWy2ZpoXceqJLPUbGssKIaOMJHaa5mOKE 7UJcXOEX+WmRJGXnIVJg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rSVaI-001WnJ-09; Wed, 24 Jan 2024 05:13:58 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rSVaF-001Wkn-1Q for linux-riscv@bombadil.infradead.org; Wed, 24 Jan 2024 05:13:55 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:Content-type :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Sender:Reply-To:Content-ID:Content-Description; bh=idAf8C8vEaEPhamo8i8Q+7QtJLmbWmmoc+K4mQqU0s4=; b=IEyKlkUF1a52OkSVSAxL+Is0p5 D86xpongBFHxiizB3TnxJdtLSkIAYJ3J2wSwKLTYoiN2quKPRVvDXloS+lP3In3/pqMeRCjHNVKlE lgR/0QRVAuEpzPE/QWbM8NG0IG/YwrQdb20hlzZ3y7FdV5PZ3E2ePjmguvjmxdzfjyHFyT/o6J8yB k4J74FQSPI+QPhSLL1Xzq4ZF87FM8XWL/8fQrtQz23EfhMu4l3WRWHYefguZDIHmlyq4ez2pk2F85 OcwsyuF9R3QciMqjtqDJ1jot1ZF8sizNYksm+OAHjg5yKwvxeKY9IP1GP7GcacpJdCFBybECbws+p 7c2kZkfw==; Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by desiato.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rSVaA-00000004FEL-3lqi for linux-riscv@lists.infradead.org; Wed, 24 Jan 2024 05:13:53 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706073225; 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=idAf8C8vEaEPhamo8i8Q+7QtJLmbWmmoc+K4mQqU0s4=; b=XfIfF580qNkTbpJdqyRrdHKIN1krMboeXWsGEwWkCTMz35k8ING/Grq9Z7w8ubHeUT9q49 riRB4N7sntsK/gNRzjMMDamusuejObSXUZ/WsmIDkaUJ2u/q67xRf9z1PM8BSnI+lUhOp6 i5rsdvF/HClzbI74EIloyfd5wyKhAOw= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706073226; 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=idAf8C8vEaEPhamo8i8Q+7QtJLmbWmmoc+K4mQqU0s4=; b=cmDB7FFlTDfyJ21q/mM4jIlxLB27dLRgVefWN1YZ1BebTtnO1Jp04x/MUHucku5rdjss1w vOjkYEkTewFl0W6Yajge2O+Qi1CvzqhwVW8eGT6u5FrdDWdJ8m8iyRf6c/G0o6z82JGqo4 I2nqOvooi7b8kcmSBaD7coB0uSio+WU= 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-101-ttLakTbNM3uB_a-svY1mPA-1; Wed, 24 Jan 2024 00:13:41 -0500 X-MC-Unique: ttLakTbNM3uB_a-svY1mPA-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 A8E4738212D7; Wed, 24 Jan 2024 05:13:40 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.116.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id 18A5F1C060AF; Wed, 24 Jan 2024 05:13:34 +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 05/14] crash: clean up kdump related config items Date: Wed, 24 Jan 2024 13:12:45 +0800 Message-ID: <20240124051254.67105-6-bhe@redhat.com> In-Reply-To: <20240124051254.67105-1-bhe@redhat.com> References: <20240124051254.67105-1-bhe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240124_051351_097458_1A1778B5 X-CRM114-Status: UNSURE ( 7.92 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org By splitting CRASH_RESERVE and VMCORE_INFO out from CRASH_CORE, cleaning up the dependency of FA_DMUMP on CRASH_DUMP, and moving crash codes from kexec_core.c to crash_core.c, now we can rearrange CRASH_DUMP to depend on KEXEC_CORE, and make CRASH_DUMP select CRASH_RESERVE and VMCORE_INFO. KEXEC_CORE won't select CRASH_RESERVE and VMCORE_INFO any more because KEXEC_CORE enables codes which allocate control pages, copy kexec/kdump segments, and prepare for switching. These codes are shared by both kexec reboot and crash dumping. Doing this makes codes and the corresponding config items more logical (the right item depends on or is selected by the left item). PROC_KCORE -----------> VMCORE_INFO |----------> VMCORE_INFO FA_DUMP----| |----------> CRASH_RESERVE ---->VMCORE_INFO / |---->CRASH_RESERVE KEXEC --| /| |--> KEXEC_CORE--> CRASH_DUMP-->/-|---->PROC_VMCORE KEXEC_FILE --| \ | \---->CRASH_HOTPLUG KEXEC --| |--> KEXEC_CORE--> kexec reboot KEXEC_FILE --| Signed-off-by: Baoquan He --- kernel/Kconfig.kexec | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/kernel/Kconfig.kexec b/kernel/Kconfig.kexec index 8faf27043432..6c34e63c88ff 100644 --- a/kernel/Kconfig.kexec +++ b/kernel/Kconfig.kexec @@ -9,8 +9,6 @@ config VMCORE_INFO bool config KEXEC_CORE - select VMCORE_INFO - select CRASH_RESERVE bool config KEXEC_ELF @@ -99,8 +97,11 @@ config KEXEC_JUMP config CRASH_DUMP bool "kernel crash dumps" + default y depends on ARCH_SUPPORTS_CRASH_DUMP - select KEXEC_CORE + depends on KEXEC_CORE + select VMCORE_INFO + select CRASH_RESERVE help Generate crash dump after being started by kexec. This should be normally only set in special crash dump kernels -- 2.41.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 CFBD1C46CD2 for ; Wed, 24 Jan 2024 05:18:08 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=XfIfF580; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=XfIfF580; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4TKXKW38mdz3dBY for ; Wed, 24 Jan 2024 16:18:07 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=XfIfF580; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=XfIfF580; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=redhat.com (client-ip=170.10.129.124; helo=us-smtp-delivery-124.mimecast.com; envelope-from=bhe@redhat.com; receiver=lists.ozlabs.org) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 lists.ozlabs.org (Postfix) with ESMTPS id 4TKXDW6dN6z3cSN for ; Wed, 24 Jan 2024 16:13:47 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706073225; 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=idAf8C8vEaEPhamo8i8Q+7QtJLmbWmmoc+K4mQqU0s4=; b=XfIfF580qNkTbpJdqyRrdHKIN1krMboeXWsGEwWkCTMz35k8ING/Grq9Z7w8ubHeUT9q49 riRB4N7sntsK/gNRzjMMDamusuejObSXUZ/WsmIDkaUJ2u/q67xRf9z1PM8BSnI+lUhOp6 i5rsdvF/HClzbI74EIloyfd5wyKhAOw= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706073225; 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=idAf8C8vEaEPhamo8i8Q+7QtJLmbWmmoc+K4mQqU0s4=; b=XfIfF580qNkTbpJdqyRrdHKIN1krMboeXWsGEwWkCTMz35k8ING/Grq9Z7w8ubHeUT9q49 riRB4N7sntsK/gNRzjMMDamusuejObSXUZ/WsmIDkaUJ2u/q67xRf9z1PM8BSnI+lUhOp6 i5rsdvF/HClzbI74EIloyfd5wyKhAOw= 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-101-ttLakTbNM3uB_a-svY1mPA-1; Wed, 24 Jan 2024 00:13:41 -0500 X-MC-Unique: ttLakTbNM3uB_a-svY1mPA-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 A8E4738212D7; Wed, 24 Jan 2024 05:13:40 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.116.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id 18A5F1C060AF; Wed, 24 Jan 2024 05:13:34 +0000 (UTC) From: Baoquan He To: linux-kernel@vger.kernel.org Subject: [PATCH linux-next v3 05/14] crash: clean up kdump related config items Date: Wed, 24 Jan 2024 13:12:45 +0800 Message-ID: <20240124051254.67105-6-bhe@redhat.com> In-Reply-To: <20240124051254.67105-1-bhe@redhat.com> References: <20240124051254.67105-1-bhe@redhat.com> MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, Baoquan He , piliu@redhat.com, linux-sh@vger.kernel.org, x86@kernel.org, kexec@lists.infradead.org, linux-mips@vger.kernel.org, ebiederm@xmission.com, loongarch@lists.linux.dev, hbathini@linux.ibm.com, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, akpm@linux-foundation.org, linux-arm-kernel@lists.infradead.org, viro@zeniv.linux.org.uk Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" By splitting CRASH_RESERVE and VMCORE_INFO out from CRASH_CORE, cleaning up the dependency of FA_DMUMP on CRASH_DUMP, and moving crash codes from kexec_core.c to crash_core.c, now we can rearrange CRASH_DUMP to depend on KEXEC_CORE, and make CRASH_DUMP select CRASH_RESERVE and VMCORE_INFO. KEXEC_CORE won't select CRASH_RESERVE and VMCORE_INFO any more because KEXEC_CORE enables codes which allocate control pages, copy kexec/kdump segments, and prepare for switching. These codes are shared by both kexec reboot and crash dumping. Doing this makes codes and the corresponding config items more logical (the right item depends on or is selected by the left item). PROC_KCORE -----------> VMCORE_INFO |----------> VMCORE_INFO FA_DUMP----| |----------> CRASH_RESERVE ---->VMCORE_INFO / |---->CRASH_RESERVE KEXEC --| /| |--> KEXEC_CORE--> CRASH_DUMP-->/-|---->PROC_VMCORE KEXEC_FILE --| \ | \---->CRASH_HOTPLUG KEXEC --| |--> KEXEC_CORE--> kexec reboot KEXEC_FILE --| Signed-off-by: Baoquan He --- kernel/Kconfig.kexec | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/kernel/Kconfig.kexec b/kernel/Kconfig.kexec index 8faf27043432..6c34e63c88ff 100644 --- a/kernel/Kconfig.kexec +++ b/kernel/Kconfig.kexec @@ -9,8 +9,6 @@ config VMCORE_INFO bool config KEXEC_CORE - select VMCORE_INFO - select CRASH_RESERVE bool config KEXEC_ELF @@ -99,8 +97,11 @@ config KEXEC_JUMP config CRASH_DUMP bool "kernel crash dumps" + default y depends on ARCH_SUPPORTS_CRASH_DUMP - select KEXEC_CORE + depends on KEXEC_CORE + select VMCORE_INFO + select CRASH_RESERVE help Generate crash dump after being started by kexec. This should be normally only set in special crash dump kernels -- 2.41.0 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 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 74880C47422 for ; Wed, 24 Jan 2024 05:14:45 +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=ct1/hxNtS4oI7aoivGkENw38Kyjx+IFzlz+CK6Q7NhY=; b=T2ws2IGn9TLLRb Zdec8a5b951N4lrXl/nRf0g2t1wWOfyxbw9eTaDVvU0FykEqLvpYbeXFLd+2fAyHnEgLe3EVTLl6x /+BekPC3JFE9bfQB5H/6gpyGhkuCb+V7n7cVuhG3lIncmTu59WnA4gS/FbTfDNIkQGVTFLjGYi8aE nEBXHSnXJ2EQ9T7VlqccVQgwiYKEFbvLlIOO/+7nnSNW0aP7aB8bM/lJyop1Y9OVsxvetQoZiA594 HdtSSbWmZmr/F0tIAaNS6NvPbO6NEodyvpCiARn/dNqXKYUZAOBobziTiRWAMwj8V2H8Z5CU1vb02 a1gSvDcQL74qJExh4lzA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rSVab-001X3y-0e; Wed, 24 Jan 2024 05:14:17 +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 1rSVa3-001WcZ-39 for linux-arm-kernel@lists.infradead.org; Wed, 24 Jan 2024 05:14:01 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706073223; 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=idAf8C8vEaEPhamo8i8Q+7QtJLmbWmmoc+K4mQqU0s4=; b=RYx6urgmGKcwGorwTh12z2m0VpW9zZRLuCpNyJu1Aa09HxjmD4VEvUXAsK4Lj2pQ08BW7+ ppjK5X3Kpvc6ypx9h/QykHHLxPMcGlAQcGAD8rAssK8G1UToxWjB1/wyDQy6IJ72Kh/HeG mIPWkQs273uNpC3cWkphIqvkrC+OAOU= 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-101-ttLakTbNM3uB_a-svY1mPA-1; Wed, 24 Jan 2024 00:13:41 -0500 X-MC-Unique: ttLakTbNM3uB_a-svY1mPA-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 A8E4738212D7; Wed, 24 Jan 2024 05:13:40 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.116.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id 18A5F1C060AF; Wed, 24 Jan 2024 05:13:34 +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 05/14] crash: clean up kdump related config items Date: Wed, 24 Jan 2024 13:12:45 +0800 Message-ID: <20240124051254.67105-6-bhe@redhat.com> In-Reply-To: <20240124051254.67105-1-bhe@redhat.com> References: <20240124051254.67105-1-bhe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240123_211344_136593_7C28E43B X-CRM114-Status: UNSURE ( 8.99 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org By splitting CRASH_RESERVE and VMCORE_INFO out from CRASH_CORE, cleaning up the dependency of FA_DMUMP on CRASH_DUMP, and moving crash codes from kexec_core.c to crash_core.c, now we can rearrange CRASH_DUMP to depend on KEXEC_CORE, and make CRASH_DUMP select CRASH_RESERVE and VMCORE_INFO. KEXEC_CORE won't select CRASH_RESERVE and VMCORE_INFO any more because KEXEC_CORE enables codes which allocate control pages, copy kexec/kdump segments, and prepare for switching. These codes are shared by both kexec reboot and crash dumping. Doing this makes codes and the corresponding config items more logical (the right item depends on or is selected by the left item). PROC_KCORE -----------> VMCORE_INFO |----------> VMCORE_INFO FA_DUMP----| |----------> CRASH_RESERVE ---->VMCORE_INFO / |---->CRASH_RESERVE KEXEC --| /| |--> KEXEC_CORE--> CRASH_DUMP-->/-|---->PROC_VMCORE KEXEC_FILE --| \ | \---->CRASH_HOTPLUG KEXEC --| |--> KEXEC_CORE--> kexec reboot KEXEC_FILE --| Signed-off-by: Baoquan He --- kernel/Kconfig.kexec | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/kernel/Kconfig.kexec b/kernel/Kconfig.kexec index 8faf27043432..6c34e63c88ff 100644 --- a/kernel/Kconfig.kexec +++ b/kernel/Kconfig.kexec @@ -9,8 +9,6 @@ config VMCORE_INFO bool config KEXEC_CORE - select VMCORE_INFO - select CRASH_RESERVE bool config KEXEC_ELF @@ -99,8 +97,11 @@ config KEXEC_JUMP config CRASH_DUMP bool "kernel crash dumps" + default y depends on ARCH_SUPPORTS_CRASH_DUMP - select KEXEC_CORE + depends on KEXEC_CORE + select VMCORE_INFO + select CRASH_RESERVE help Generate crash dump after being started by kexec. This should be normally only set in special crash dump kernels -- 2.41.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel