From: Qiang Ma <maqianga@uniontech.com>
To: akpm@linux-foundation.org, bhe@redhat.com
Cc: kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
Qiang Ma <maqianga@uniontech.com>,
kernel test robot <lkp@intel.com>
Subject: [PATCH v3 3/3] kexec: print out debugging message if required for kexec_load
Date: Wed, 26 Nov 2025 16:44:27 +0800 [thread overview]
Message-ID: <20251126084427.3222212-4-maqianga@uniontech.com> (raw)
In-Reply-To: <20251126084427.3222212-1-maqianga@uniontech.com>
The commit a85ee18c7900 ("kexec_file: print out debugging message
if required") has added general code printing in kexec_file_load(),
but not in kexec_load().
As a result, when using '-d' for the kexec_load interface,
print nothing in the kernel space.
And print out type/start/head of kimage and flags to help debug.
Signed-off-by: Qiang Ma <maqianga@uniontech.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202510310332.6XrLe70K-lkp@intel.com/
---
kernel/kexec.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/kexec.c b/kernel/kexec.c
index f6c58c767eb0..37e4ac8af9f3 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -166,6 +166,9 @@ static int do_kexec_load(unsigned long entry, unsigned long nr_segments,
if (ret)
goto out;
+ kexec_dprintk("kexec_load: type:%u, start:0x%lx head:0x%lx flags:0x%lx\n",
+ image->type, image->start, image->head, flags);
+
/* Install the new kernel and uninstall the old */
image = xchg(dest_image, image);
--
2.20.1
next prev parent reply other threads:[~2025-11-26 8:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-26 8:44 [PATCH v3 0/3] " Qiang Ma
2025-11-26 8:44 ` [PATCH v3 1/3] kexec: Fix uninitialized struct kimage *image pointer Qiang Ma
2025-11-26 8:44 ` [PATCH v3 2/3] kexec: add kexec flag to control debug printing Qiang Ma
2025-11-26 8:44 ` Qiang Ma [this message]
2025-11-27 1:47 ` [PATCH v3 0/3] kexec: print out debugging message if required for kexec_load Baoquan He
2025-11-27 2:04 ` Qiang Ma
2025-11-27 2:36 ` Baoquan He
2025-11-27 3:00 ` Qiang Ma
2025-11-27 3:55 ` Baoquan He
2025-11-27 6:59 ` Qiang Ma
2025-11-27 12:01 ` Sourabh Jain
2025-11-27 15:30 ` Baoquan He
2025-11-28 9:41 ` Sourabh Jain
2025-11-30 2:56 ` Baoquan He
2025-12-04 12:18 ` Sourabh Jain
2025-12-05 9:20 ` Qiang Ma
2025-12-09 0:45 ` Baoquan He
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