Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Eric DeVolder <eric.devolder@oracle.com>
To:     linux@armlinux.org.uk, catalin.marinas@arm.com, will@kernel.org,
        chenhuacai@kernel.org, geert@linux-m68k.org,
        tsbogend@alpha.franken.de, James.Bottomley@HansenPartnership.com,
        deller@gmx.de, ysato@users.sourceforge.jp, dalias@libc.org,
        glaubitz@physik.fu-berlin.de, tglx@linutronix.de, mingo@redhat.com,
        bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-ia64@vger.kernel.org, loongarch@lists.linux.dev,
        linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
        linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
        linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
        linux-sh@vger.kernel.org
Cc:     kernel@xen0n.name, mpe@ellerman.id.au, npiggin@gmail.com,
        christophe.leroy@csgroup.eu, paul.walmsley@sifive.com,
        palmer@dabbelt.com, aou@eecs.berkeley.edu, hca@linux.ibm.com,
        gor@linux.ibm.com, agordeev@linux.ibm.com,
        borntraeger@linux.ibm.com, svens@linux.ibm.com, hpa@zytor.com,
        keescook@chromium.org, paulmck@kernel.org, peterz@infradead.org,
        frederic@kernel.org, akpm@linux-foundation.org, ardb@kernel.org,
        samitolvanen@google.com, juerg.haefliger@canonical.com,
        arnd@arndb.de, rmk+kernel@armlinux.org.uk,
        linus.walleij@linaro.org, sebastian.reichel@collabora.com,
        rppt@kernel.org, kirill.shutemov@linux.intel.com,
        anshuman.khandual@arm.com, ziy@nvidia.com, masahiroy@kernel.org,
        ndesaulniers@google.com, mhiramat@kernel.org, ojeda@kernel.org,
        thunder.leizhen@huawei.com, xin3.li@intel.com, tj@kernel.org,
        gregkh@linuxfoundation.org, tsi@tuyoix.net, bhe@redhat.com,
        hbathini@linux.ibm.com, sourabhjain@linux.ibm.com,
        eric.devolder@oracle.com, boris.ostrovsky@oracle.com,
        konrad.wilk@oracle.com
Subject: [PATCH v4 08/13] mips/kexec: refactor for kernel/Kconfig.kexec
Date:   Wed,  5 Jul 2023 10:19:59 -0400
Message-Id: <20230705142004.3605799-9-eric.devolder@oracle.com>
In-Reply-To: <20230705142004.3605799-1-eric.devolder@oracle.com>
References: <20230705142004.3605799-1-eric.devolder@oracle.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?oD+AcmD5X5XZ3D+a4km3Lt2qnwaMIA6EDlk0HYKZx5BxMztb0c/AycAnKfzC?=
 =?us-ascii?Q?INahayT0W/GF7sypG1dvmmy+bK60fveH9lSOJvAdmYD7PYUoN0+S3zufGqs3?=
 =?us-ascii?Q?k10DQhBkyKTwtDoZcUXs6VUUyPs/86yHYugpUzEnuODzMw6PqVXBwlAlQANz?=
 =?us-ascii?Q?NEzRuruwuEmxfzAn/fMgWeZ4XeXHBCqC+yDPR9yAUrrPv0xkQJf825gCjC46?=
 =?us-ascii?Q?cM4mcIWHOyQTJ1AmXNJxWIPVT6LyYwIPeHKWHsXIKqizNmFl7G31Vydaiyzu?=
 =?us-ascii?Q?GlnM6rbrjO0I+KEh63MdK3LlBhIql7FDxYyIpgi0uwuSZD+vXUTPidulYCCq?=
 =?us-ascii?Q?oqHWfzB8lQrkIKeWN88VQ+x2sRFLUMUlahnNJQkw25fBlY5UaXsBty9ERjTH?=
 =?us-ascii?Q?pm+qsO4g4HVRdL6+kT/SgPPg3LW3C10YpcvJvwZ2CVF2dR5mk+vHCjZ/QQwc?=
 =?us-ascii?Q?UbMek1s1kx81G+TqIqaJ6f0O9thPpn3y/F0Rz0qCdKhLbPfKVv0ZBAWMw79t?=
 =?us-ascii?Q?5BYp0To/k1+0EJ5v/xKxHDC/AFX1Lc3m4lFoYRZ9abcZSmLThQffir5ebuZj?=
 =?us-ascii?Q?8L7qMGLFM51pWW5RXbrD841rMjNyAQaxsI9Ko+qUpgZJNn0o8A1wnWFwjOM8?=
 =?us-ascii?Q?A01XzmjCj9kTQHt+9FKYG/1oXSDo9OPyC4YBMb2TnMlJZLJ1LnkdyCRAxSmX?=
 =?us-ascii?Q?TKxk30W18S9k/flfZp0B3C9nrcpWFkFZKquZ+6c0LG7WPGJuz4H3CPTiRBbx?=
 =?us-ascii?Q?ux80BmeCma4Tp+UVSefnrvD9oHyBc3STBIwJdRETx9lNXTDlJLFKYg2av7UF?=
 =?us-ascii?Q?fRJR4oMeQm1LxYRanCjrSNM4jFMv3nWSvsbK1MKiRTQWgDvw224AUCP5wY1O?=
 =?us-ascii?Q?lu/twkThfJac/9mv9eyXEx5YIgLYOQ8oMRAwbPoo3nCtN16kPftrSdMpJgf8?=
 =?us-ascii?Q?2ysW8Q2qH0AcoxVWdq72a/6pic1EHmxAwO9lNEyC0/mPW+pD2RqptdAeIkiL?=
 =?us-ascii?Q?mLJW3x86yDDYtfVCjdq+jFK6flNdGRsGVCkKNFlYYPXNN/LqztMwQaezhT8X?=
 =?us-ascii?Q?fx3SaLWCRF1O+I8rZ0NGXBP4Ng9Z5oDwDeEmk8+Hp0oJJOFeSdPinVN1HnYQ?=
 =?us-ascii?Q?SwIUsQkOzx2FPnhi1I4qiUmXA4JiG0gnbTaZpmCMXH3l4Yi7fbBs7QSCe7gn?=
 =?us-ascii?Q?Je/wdWQM8X0cZB7PxoO4EPAdo/vMHP1KZqVtwu/pXkc2a6DotrjfKATIKrXB?=
 =?us-ascii?Q?DscuwZK2Oav4cC1lYegOIbEkA6OfngN6Gj23GRvy6wlqNbM2C8Non8W9wU7s?=
 =?us-ascii?Q?msHwpPvUH38nts5WH0EekDFw7PzrXzqug/0DLpIF20HUPCHimXl2xUqyM4tt?=
 =?us-ascii?Q?A1PQ5wYjEonQz+djnlojBHj723Mu4yJjFIGJLtBxKfmjW0fe1ie6f6uBdwq2?=
 =?us-ascii?Q?rmX9L7yrFWvaaLcHquEUu3fSj5xb/ECm7JSWRVe/nomy5FHbayHzHhBUbFTJ?=
 =?us-ascii?Q?mvRUTpzX6Rl5UjFUoFrd6FFILp32XbVbcXRTbPuIhXv40m3+ldstuTMmgeEf?=
 =?us-ascii?Q?ws8obO3TqEPJUuMb/cljhdUxDSd7ce/6zchUyYV+pu4+gjme0KhCTUCKO3Vi?=
 =?us-ascii?Q?sQ=3D=3D?=
X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 2
X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: =?us-ascii?Q?J4ngQPyB5LSKs4+7+l0rUF84z5/tXNCegxXpR2bx/nDaeNri1CuFZjnSCr8o?=
 =?us-ascii?Q?/3wM7GduZjQBaWItf2X/WDt1bE7QCNiRwDjy3sMsiQP3K5U/7Jog8n/ITT+q?=
 =?us-ascii?Q?rlDK4DBZU2klxi6KEtQTv7R+lIRkqpLvXjLIo+sGw+Zjp0vIjm89t7b05WOJ?=
 =?us-ascii?Q?npIRE90W8GO2FM1Tyb0ox9VERWkW5YGzi6waztAiMX0IOQwgwafZJQlqT+Kc?=
 =?us-ascii?Q?Kvi8qI15vQvUhyOR3ao7CPyb3uoJAJbzlcysNJKWz/2FJh76S7MBVSUX/dRE?=
 =?us-ascii?Q?SCdRnowep2eyK5XntnOX9j9svbGTBpj8GUqXyhRwFWo6jgbiLuB4M8MmjCo+?=
 =?us-ascii?Q?eFersb57OIgNjwIDmWBRbecvHXMBgPwZWm+x+1buOA8OECmAWLu2+67aaK9R?=
 =?us-ascii?Q?IqwpQE93D+swI9UkQmBfcWBfAko7h875/iGh6ag5509oyw4D9Gtis/JkrxPG?=
 =?us-ascii?Q?/yHb2ODJimmElL1UeE6g8dBNq5rG7spSYyu+f3M6Cq6cTHOrOKWUfjr0saIE?=
 =?us-ascii?Q?k5cOZ2t2hqV4ZcXvfFt3hnK1uu5lyrPmUDdDci9EK8D+xN8PHHqDvmDd8Re3?=
 =?us-ascii?Q?W0vAVGD4orpbIdjhFUkuGb/s10YIrZ3WPbJNOfqaE8DxAEIBKMzxaTa6lNXI?=
 =?us-ascii?Q?4HSJ9Tjzl53aUpWc0hK4e4ySqRs2qwN/T5lbzoqYzrFsfG29jaZHe5b2JsyB?=
 =?us-ascii?Q?rRwj/Yhf78O60zUssECbMjzI4/uuZzRzUSiAqTK+S2QvGJ3pcF6EGiLmnhMp?=
 =?us-ascii?Q?6cc9oY/KYTOYPrlK0z2gBeC03JdqCkMK3TS82vorODeU+cBK2MifTWqVDDqz?=
 =?us-ascii?Q?69yCQZ96aLOIEln1fx43qJFCw8EN7jzdc4Cuh2uLv5+CIjRQ2FRRCy8WpsJ2?=
 =?us-ascii?Q?Jz4bx7V7GpxBdHXtLn5TRW7BoJV0KltIg/oQrhX4EpkvJcKwDT0oJz3Yxp25?=
 =?us-ascii?Q?ETfFckBLryH609dbg4a8VmmbB63OiS2UGsVJKc2Al+sjQCAG1guBQlb5ayMn?=
 =?us-ascii?Q?lkPF1yqK6Cgy7OaItqkrnZcoUYdAta5mquBCMYX1VogYYULntFIc4SVeJVyU?=
 =?us-ascii?Q?jjNm4woIcr47nqBnNgChinJjWiqnCqhAuFg9TBhBjFUv5kKI+UNGvytVU4ZZ?=
 =?us-ascii?Q?VMFX0xlBLQOgY/XTRD96yfCSfD2RgW/y9f25ADlcuHTSVQqjM8cYWDG/7Oy2?=
 =?us-ascii?Q?IPZ47WoylEJyiglZjVRyOCV1qEpZhn0gzAbxXNsGvRmpuShwCVWdRe2FenNE?=
 =?us-ascii?Q?NpE3aPKGCzso2yudzWmTwWoNQKzfqnaMuG2dVWP/EEb/9LHuD+2ojejkhQJf?=
 =?us-ascii?Q?lNwykRq04v5xfXQlOuCZFJh39FJ3ZXdujGktFiuYzgfX+hmhMSjTxg2Z1/5M?=
 =?us-ascii?Q?xM7u7f65SThEC2AwwjDpUu2ZLznRWE6HH8ujmPynIUqG8pSE7+EzM9wx3FPe?=
 =?us-ascii?Q?s8QPze8obqwDGrt0ee9fp3hbGXRUfTJxuqbzCpNYn+1rj4yicSU3D+ROT7Za?=
 =?us-ascii?Q?x02WTiHd5/OIUkoDGO2L7R9WB2hDbrwW2FuTW6FLzBARQZNbxa7EAB49boPW?=
 =?us-ascii?Q?HqLezLzmKrOb9lwF9kkOaBbbRGc3x+EVv7KBeQKWAJsWWCJGODWcNU4pcKPc?=
 =?us-ascii?Q?YPSrfn1U2YdRldLCa/JuI39VMV1cbNOeoBvXJZ82rwxCrxChAgv2mkIYK9OL?=
 =?us-ascii?Q?x9MVjAJF8VsBnm5lyCrcmNWOWGwWaGVvKyXie7B1Prkpgqz2g4qJDgCQ+SCH?=
 =?us-ascii?Q?ZewtQEe4EZOnE6Y2uqf6jZC2oslAbUtybNn0ewAtyoi0H2QX5lq73l2nqrxD?=
X-MS-Exchange-AntiSpam-ExternalHop-MessageData-1: BkvvU9jnV1w848qsJE1ktm+cUu7m9J4FWIdSMLRffsV/3eIRRa915OGa2WWkUQF6xG+EtuMOsPTM0LKOw/fTksAWBvAEqjEHnALIrxd76csShdv0yjVZJ5vVWnUfXBRWjm6zkRktYrzWE2bKOxVlf1nmq/eAJy79ZOfV5MBGYmAM6JZ0SXfrRzwTty9s/ziocEWdngitTiija64PE1nT/4w31Ah+f4nU19GEnszdVlgp5LFzJhwxQaZzH0EaR8/UDm3PuCublIb9kqK+HO5ht4rQJFuY5CwLFTwliQawSIwwZtVxYhP0jEi0bXDUlKugEAiECLEUzwvNxHrFIuWYm+3XbbqvbHL7AT+FORl8N/W0O2ZlLTQH2yHCHERlU8BqxdB28GNPV5T81tvYIlRl0XoQAjsH1PjwitZedSFNUY5f2exoK5VWP1/F9k3zgqoo5/S4ck4aF2w1Iw==
X-OriginatorOrg: oracle.com
X-MS-Exchange-CrossTenant-Network-Message-Id: c84bcc4d-5a5d-4534-9673-08db7d6301c7
X-MS-Exchange-CrossTenant-AuthSource: CO1PR10MB4531.namprd10.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jul 2023 14:20:39.0409
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: PwA5QGeCz3IljTx6xn4IOvSlwhkBrpEfpgiJ4JtDpkv808rdj4qLOTKJfH59gc+3MXT1A8FDDLbQyX7dO0+apR43DaaFZvc9qkuPacD7SNo=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR10MB6258
X-Proofpoint-Virus-Version: vendor=baseguard
 engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26
 definitions=2023-07-05_06,2023-07-05_01,2023-05-22_02
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 bulkscore=0 suspectscore=0
 malwarescore=0 phishscore=0 mlxscore=0 spamscore=0 mlxlogscore=999
 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000
 definitions=main-2307050129
X-Proofpoint-ORIG-GUID: MDi80Kq8jWE5wPtLt8Xt8soBfT4tihYk
X-Proofpoint-GUID: MDi80Kq8jWE5wPtLt8Xt8soBfT4tihYk
X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,
        RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,
        T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no
        version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

The kexec and crash kernel options are provided in the common
kernel/Kconfig.kexec. Utilize the common options and provide
the ARCH_SUPPORTS_ and ARCH_SELECTS_ entries to recreate the
equivalent set of KEXEC and CRASH options.

Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
 arch/mips/Kconfig | 32 +++++---------------------------
 1 file changed, 5 insertions(+), 27 deletions(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index fc6fba925aea..bc8421859006 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2878,33 +2878,11 @@ config HZ
 config SCHED_HRTICK
 	def_bool HIGH_RES_TIMERS
 
-config KEXEC
-	bool "Kexec system call"
-	select KEXEC_CORE
-	help
-	  kexec is a system call that implements the ability to shutdown your
-	  current kernel, and to start another kernel.  It is like a reboot
-	  but it is independent of the system firmware.   And like a reboot
-	  you can start any kernel with it, not just Linux.
-
-	  The name comes from the similarity to the exec system call.
-
-	  It is an ongoing process to be certain the hardware in a machine
-	  is properly shutdown, so do not be surprised if this code does not
-	  initially work for you.  As of this writing the exact hardware
-	  interface is strongly in flux, so no good recommendation can be
-	  made.
-
-config CRASH_DUMP
-	bool "Kernel crash dumps"
-	help
-	  Generate crash dump after being started by kexec.
-	  This should be normally only set in special crash dump kernels
-	  which are loaded in the main kernel with kexec-tools into
-	  a specially reserved region and then later executed after
-	  a crash by kdump/kexec. The crash dump kernel must be compiled
-	  to a memory address not used by the main kernel or firmware using
-	  PHYSICAL_START.
+config ARCH_SUPPORTS_KEXEC
+	def_bool y
+
+config ARCH_SUPPORTS_CRASH_DUMP
+	def_bool y
 
 config PHYSICAL_START
 	hex "Physical address where the kernel is loaded"
-- 
2.31.1