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(unknown []) by gzga-smtp-mtada-g0-3 (Coremail) with SMTP id _____wCHZLl0tY1ptkijLg--.48890S4; Thu, 12 Feb 2026 19:11:53 +0800 (CST) From: ranxiaokai627@163.com To: graf@amazon.com, rppt@kernel.org, pasha.tatashin@soleen.com, pratyush@kernel.org, akpm@linux-foundation.org Cc: kexec@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, ran.xiaokai@zte.com.cn, ranxiaokai627@163.com Subject: [PATCH v3 2/2] kho: remove unnecessary WARN_ON(err) in kho_populate() Date: Thu, 12 Feb 2026 11:11:46 +0000 Message-ID: <20260212111146.210086-3-ranxiaokai627@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260212111146.210086-1-ranxiaokai627@163.com> References: <20260212111146.210086-1-ranxiaokai627@163.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wCHZLl0tY1ptkijLg--.48890S4 X-Coremail-Antispam: 1Uf129KBjvdXoWrtw1xXw17Cw4DGFW8XF4Dtwb_yoWDKrc_WF 4xtw1vkr4qvrn0vr1Yk39avFWrKw40qFyqv3W3JFyxt3W5tayj9a9xZr4DAFnxW34vkryD Arn0grZ8tr4fWjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xRAJ5rDUUUUU== X-Originating-IP: [218.203.227.87] X-CM-SenderInfo: xudq5x5drntxqwsxqiywtou0bp/xtbC7RlJlWmNtXkzNQAA3G X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 584AE1C0003 X-Stat-Signature: 4xczfwayqemnz7qtxb8ckxiimupdj3r5 X-Rspam-User: X-HE-Tag: 1770894741-687550 X-HE-Meta: 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 v8kvX/Xp 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Ran Xiaokai The following pr_warn() provides detailed error and location information, WARN_ON(err) adds no additional debugging value, so remove the redundant WARN_ON() call. Signed-off-by: Ran Xiaokai Reviewed-by: Pratyush Yadav Reviewed-by: Pasha Tatashin --- kernel/liveupdate/kexec_handover.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/liveupdate/kexec_handover.c b/kernel/liveupdate/kexec_handover.c index af82d8862dd7..95601623b4d6 100644 --- a/kernel/liveupdate/kexec_handover.c +++ b/kernel/liveupdate/kexec_handover.c @@ -1507,7 +1507,7 @@ void __init kho_populate(phys_addr_t fdt_phys, u64 fdt_len, memblock_add(area->addr, size); err = memblock_mark_kho_scratch(area->addr, size); - if (WARN_ON(err)) { + if (err) { pr_warn("failed to mark the scratch region 0x%pa+0x%pa: %pe", &area->addr, &size, ERR_PTR(err)); goto unmap_scratch; -- 2.25.1