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From:   Baoquan He <bhe@redhat.com>
To:     linux-kernel@vger.kernel.org
Cc:     kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org,
        linux-s390@vger.kernel.org, akpm@linux-foundation.org,
        ignat@cloudflare.com, eric_devolder@yahoo.com,
        Baoquan He <bhe@redhat.com>
Subject: [PATCH 3/3] s390/Kconfig: drop select of KEXEC
Date:   Thu, 23 Nov 2023 15:36:52 +0800
Message-ID: <20231123073652.507034-4-bhe@redhat.com>
In-Reply-To: <20231123073652.507034-1-bhe@redhat.com>
References: <20231123073652.507034-1-bhe@redhat.com>
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No proof is found to require that S390 architecture has to select
KEXEC. At least from my testing at below, dropping select of KEXEC won't
impact anything.

===testing 1===
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_CRASH_DUMP=y
===

===testing 2===
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_KEXEC_FILE=y
CONFIG_CRASH_DUMP=y
===

So drop the select of KEXEC now.

Signed-off-by: Baoquan He <bhe@redhat.com>
---
 arch/s390/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 3bec98d20283..1aec2e692dca 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -217,7 +217,6 @@ config S390
 	select HAVE_VIRT_CPU_ACCOUNTING_IDLE
 	select IOMMU_HELPER		if PCI
 	select IOMMU_SUPPORT		if PCI
-	select KEXEC
 	select MMU_GATHER_MERGE_VMAS
 	select MMU_GATHER_NO_GATHER
 	select MMU_GATHER_RCU_TABLE_FREE
-- 
2.41.0