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authorJiri Kosina <jkosina@suse.cz>2022-01-10 09:49:13 +0100
committerJiri Kosina <jkosina@suse.cz>2022-01-10 09:49:13 +0100
commit8a2094d679d921d104d3296528d4fa419702ce1c (patch)
tree5feeb2f8b94eb3632109b778276ccd1007486770 /kernel/locking/lockdep.c
parent3809fe479861194e310c23ed48b010c7c0f72d22 (diff)
parentb60d3c803d7603432a08aeaf988aff53b3a5ec64 (diff)
Merge branch 'for-5.17/core' into for-linus
- support for USI style pens (Tero Kristo, Mika Westerberg) - quirk for devices that need inverted X/Y axes (Alistair Francis) - small core code cleanups and deduplication (Benjamin Tissoires)
Diffstat (limited to 'kernel/locking/lockdep.c')
-rw-r--r--kernel/locking/lockdep.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 7096384dc60f..2270ec68f10a 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -788,6 +788,21 @@ static int very_verbose(struct lock_class *class)
* Is this the address of a static object:
*/
#ifdef __KERNEL__
+/*
+ * Check if an address is part of freed initmem. After initmem is freed,
+ * memory can be allocated from it, and such allocations would then have
+ * addresses within the range [_stext, _end].
+ */
+#ifndef arch_is_kernel_initmem_freed
+static int arch_is_kernel_initmem_freed(unsigned long addr)
+{
+ if (system_state < SYSTEM_FREEING_INITMEM)
+ return 0;
+
+ return init_section_contains((void *)addr, 1);
+}
+#endif
+
static int static_obj(const void *obj)
{
unsigned long start = (unsigned long) &_stext,
@@ -803,9 +818,6 @@ static int static_obj(const void *obj)
if ((addr >= start) && (addr < end))
return 1;
- if (arch_is_kernel_data(addr))
- return 1;
-
/*
* in-kernel percpu var?
*/