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(unknown []) by gzsmtp2 (Coremail) with SMTP id PSgvCgC3f96j94tpMZp0RA--.2981S4; Wed, 11 Feb 2026 11:29:43 +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 v2 2/2] kho: remove unnecessary WARN_ON(err) in kho_populate() Date: Wed, 11 Feb 2026 03:29:37 +0000 Message-ID: <20260211032937.208353-3-ranxiaokai627@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260211032937.208353-1-ranxiaokai627@163.com> References: <20260211032937.208353-1-ranxiaokai627@163.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:PSgvCgC3f96j94tpMZp0RA--.2981S4 X-Coremail-Antispam: 1Uf129KBjvdXoWrtw1xXw17Cw4DGFW8XF4Dtwb_yoWDKFc_WF 4xtw1Ikr4qvrn0vr1Yk39avFWrKw40qFyvv3W3XFWxt3W5tayj9393Zw4DAFn8W34qkryD Ar1kWrZ8tr4fWjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xRCHq2DUUUUU== X-Originating-IP: [117.176.243.201] X-CM-SenderInfo: xudq5x5drntxqwsxqiywtou0bp/xtbCxgdksGmL96fAXQAA36 X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: DA0604000B X-Stat-Signature: hct7zwn35mqwwcjq97wbyw9m4frbhzi5 X-Rspam-User: X-HE-Tag: 1770780605-527173 X-HE-Meta: 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 7v3U/htS 2JGFWn59Z8u/c2vdlidRM32KSdNr9iekk/1yIZdN2NQpiUa2LJUCbMYvWjvyzmaVaoUSqnYRgw80+weem6uWDAbzLDJiZcbfTklZsxl3oU+ShHg39pcR/MJTlnifcNkyPbqiNZOr1pu01KcVH1y8ykkUtDpFHad+66qfrIqVGew8yfRC/VN6plD4k35DfI3YmpuSNIxFhRuB8ZcTWIgEb0QpU4Al/A99OJp8dJC3EvPsoftEu5Ispovu0fvADLdJwgbTTfoN7TBBsyW1NnAiK9eyVkp6t+4fxsWqprrQhWRHjchPLsJPmKmLJ/ZQzsTBSMlHZXyBf4lGZpgdTDJfJUZzL5Z4bj/Pue+vOAYaWcXLDCZyYAllqerLpK4igBd3W+Q49fyA6JDouR3Ky2r6j7ttHAnZzcCKlEzTDUt9H1I1l4cFilmyC+J7KOpWuvxeR7OdgI9ZfqxeKGv7IZ/wLvylmW4W5LiVLmJOLEBiNOB02LRo= 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 3c705b08a489..eb87d23e8da6 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 err_unmap_scratch; -- 2.25.1