linux-kernel - [PATCH v2 01/22] liveupdate: Export symbols needed by modules

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Message-ID: <20260129212510.967611-2-dmatlack@google.com>
Date: Thu, 29 Jan 2026 21:24:48 +0000
From: David Matlack <dmatlack@...gle.com>
To: Alex Williamson <alex@...zbot.org>
Cc: Adithya Jayachandran <ajayachandra@...dia.com>, Alexander Graf <graf@...zon.com>, 
	Alex Mastro <amastro@...com>, Alistair Popple <apopple@...dia.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, Ankit Agrawal <ankita@...dia.com>, 
	Bjorn Helgaas <bhelgaas@...gle.com>, Chris Li <chrisl@...nel.org>, 
	David Matlack <dmatlack@...gle.com>, David Rientjes <rientjes@...gle.com>, 
	Jacob Pan <jacob.pan@...ux.microsoft.com>, Jason Gunthorpe <jgg@...dia.com>, 
	Jason Gunthorpe <jgg@...pe.ca>, Jonathan Corbet <corbet@....net>, Josh Hilke <jrhilke@...gle.com>, 
	Kevin Tian <kevin.tian@...el.com>, kexec@...ts.infradead.org, kvm@...r.kernel.org, 
	Leon Romanovsky <leon@...nel.org>, Leon Romanovsky <leonro@...dia.com>, linux-doc@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
	linux-mm@...ck.org, linux-pci@...r.kernel.org, Lukas Wunner <lukas@...ner.de>, 
	"Michał Winiarski" <michal.winiarski@...el.com>, Mike Rapoport <rppt@...nel.org>, 
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	"Thomas Hellström" <thomas.hellstrom@...ux.intel.com>, Tomita Moeko <tomitamoeko@...il.com>, 
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	William Tu <witu@...dia.com>, Yi Liu <yi.l.liu@...el.com>, Zhu Yanjun <yanjun.zhu@...ux.dev>
Subject: [PATCH v2 01/22] liveupdate: Export symbols needed by modules

Export liveupdate_enabled(), liveupdate_register_file_handler(), and
liveupdate_unregister_file_handler(). All of these will be used by
vfio-pci in a subsequent commit, which can be built as a module.

Signed-off-by: David Matlack <dmatlack@...gle.com>
---
 kernel/liveupdate/luo_core.c | 1 +
 kernel/liveupdate/luo_file.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/kernel/liveupdate/luo_core.c b/kernel/liveupdate/luo_core.c
index dda7bb57d421..59d7793d9444 100644
--- a/kernel/liveupdate/luo_core.c
+++ b/kernel/liveupdate/luo_core.c
@@ -255,6 +255,7 @@ bool liveupdate_enabled(void)
 {
 	return luo_global.enabled;
 }
+EXPORT_SYMBOL_GPL(liveupdate_enabled);
 
 /**
  * DOC: LUO ioctl Interface
diff --git a/kernel/liveupdate/luo_file.c b/kernel/liveupdate/luo_file.c
index 35d2a8b1a0df..32759e846bc9 100644
--- a/kernel/liveupdate/luo_file.c
+++ b/kernel/liveupdate/luo_file.c
@@ -872,6 +872,7 @@ int liveupdate_register_file_handler(struct liveupdate_file_handler *fh)
 	luo_session_resume();
 	return err;
 }
+EXPORT_SYMBOL_GPL(liveupdate_register_file_handler);
 
 /**
  * liveupdate_unregister_file_handler - Unregister a liveupdate file handler
@@ -917,3 +918,4 @@ int liveupdate_unregister_file_handler(struct liveupdate_file_handler *fh)
 	liveupdate_test_register(fh);
 	return err;
 }
+EXPORT_SYMBOL_GPL(liveupdate_unregister_file_handler);
-- 
2.53.0.rc1.225.gd81095ad13-goog