From: Pasha Tatashin <pasha.tatashin@soleen.com>
To: akpm@linux-foundation.org, pasha.tatashin@soleen.com,
rppt@kernel.org, graf@amazon.com, linux-kernel@vger.kernel.org,
kexec@lists.infradead.org, linux-mm@kvack.org,
pratyush@kernel.org
Subject: [PATCH] lib/test_kho: Check if KHO is enabled
Date: Thu, 6 Nov 2025 17:06:35 -0500 [thread overview]
Message-ID: <20251106220635.2608494-1-pasha.tatashin@soleen.com> (raw)
We must check whether KHO is enabled prior to issuing KHO commands,
otherwise KHO internal data structures are not initialized.
Fixes: b753522bed0b ("kho: add test for kexec handover")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202511061629.e242724-lkp@intel.com
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
---
lib/test_kho.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lib/test_kho.c b/lib/test_kho.c
index 025ea251a186..85b60d87a50a 100644
--- a/lib/test_kho.c
+++ b/lib/test_kho.c
@@ -315,6 +315,9 @@ static int __init kho_test_init(void)
phys_addr_t fdt_phys;
int err;
+ if (!kho_is_enabled())
+ return 0;
+
err = kho_retrieve_subtree(KHO_TEST_FDT, &fdt_phys);
if (!err)
return kho_test_restore(fdt_phys);
--
2.51.2.1041.gc1ab5b90ca-goog
next reply other threads:[~2025-11-06 22:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-06 22:06 Pasha Tatashin [this message]
2025-11-07 10:24 ` Pratyush Yadav
2025-11-07 11:15 ` Pasha Tatashin
2025-11-07 16:07 ` Pratyush Yadav
2025-11-09 7:31 ` Mike Rapoport
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