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liveupdate: remove liveupdate_test_unregister() 

Now that file handler unregistration automatically unregisters all
associated file handlers (FLBs), the liveupdate_test_unregister() function
is no longer needed.  Remove it along with its usages and declarations.

Link: https://lore.kernel.org/20260327033335.696621-9-pasha.tatashin@soleen.com
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Pratyush Yadav (Google) <pratyush@kernel.org>
Cc: David Matlack <dmatlack@google.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Samiullah Khawaja <skhawaja@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
master
Pasha Tatashin 2026-03-27 03:33:32 +00:00 committed by Andrew Morton
parent 5ee1c7d641
commit 074488008d
3 changed files with 0 additions and 22 deletions
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2
kernel/liveupdate/luo_file.c
View File

@ -926,8 +926,6 @@ int liveupdate_unregister_file_handler(struct liveupdate_file_handler *fh)
if (!liveupdate_enabled())
return -EOPNOTSUPP;
liveupdate_test_unregister(fh);
guard(rwsem_write)(&luo_register_rwlock);
luo_flb_unregister_all(fh);
list_del(&ACCESS_PRIVATE(fh, list));

2
kernel/liveupdate/luo_internal.h
View File

@ -110,10 +110,8 @@ void luo_flb_serialize(void);
#ifdef CONFIG_LIVEUPDATE_TEST
void liveupdate_test_register(struct liveupdate_file_handler *fh);
void liveupdate_test_unregister(struct liveupdate_file_handler *fh);
#else
static inline void liveupdate_test_register(struct liveupdate_file_handler *fh) { }
static inline void liveupdate_test_unregister(struct liveupdate_file_handler *fh) { }
#endif
#endif /* _LINUX_LUO_INTERNAL_H */

18
lib/tests/liveupdate.c
View File

@ -135,24 +135,6 @@ void liveupdate_test_register(struct liveupdate_file_handler *fh)
TEST_NFLBS, fh->compatible);
}
void liveupdate_test_unregister(struct liveupdate_file_handler *fh)
{
int err, i;
for (i = 0; i < TEST_NFLBS; i++) {
struct liveupdate_flb *flb = &test_flbs[i];
err = liveupdate_unregister_flb(fh, flb);
if (err) {
pr_err("Failed to unregister %s %pe\n",
flb->compatible, ERR_PTR(err));
}
}
pr_info("Unregistered %d FLBs from file handler: [%s]\n",
TEST_NFLBS, fh->compatible);
}
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Pasha Tatashin <pasha.tatashin@soleen.com>");
MODULE_DESCRIPTION("In-kernel test for LUO mechanism");