diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 15 | ||||
| -rw-r--r-- | lib/sbitmap.c | 4 |
2 files changed, 17 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index bc8faa4509e1..7315f643817a 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -573,6 +573,21 @@ config VMLINUX_MAP pieces of code get eliminated with CONFIG_LD_DEAD_CODE_DATA_ELIMINATION. +config BUILTIN_MODULE_RANGES + bool "Generate address range information for builtin modules" + depends on !LTO + depends on VMLINUX_MAP + help + When modules are built into the kernel, there will be no module name + associated with its symbols in /proc/kallsyms. Tracers may want to + identify symbols by module name and symbol name regardless of whether + the module is configured as loadable or not. + + This option generates modules.builtin.ranges in the build tree with + offset ranges (per ELF section) for the module(s) they belong to. + It also records an anchor symbol to determine the load address of the + section. + config DEBUG_FORCE_WEAK_PER_CPU bool "Force weak per-cpu definitions" depends on DEBUG_KERNEL diff --git a/lib/sbitmap.c b/lib/sbitmap.c index 5e2e93307f0d..d3412984170c 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c @@ -65,7 +65,7 @@ static inline bool sbitmap_deferred_clear(struct sbitmap_word *map, { unsigned long mask, word_mask; - guard(spinlock_irqsave)(&map->swap_lock); + guard(raw_spinlock_irqsave)(&map->swap_lock); if (!map->cleared) { if (depth == 0) @@ -136,7 +136,7 @@ int sbitmap_init_node(struct sbitmap *sb, unsigned int depth, int shift, } for (i = 0; i < sb->map_nr; i++) - spin_lock_init(&sb->map[i].swap_lock); + raw_spin_lock_init(&sb->map[i].swap_lock); return 0; } |