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authorSiluxsept <ronny.horn.rh@gmail.com>2024-02-06 04:37:40 +0100
committerSiluxsept <ronny.horn.rh@gmail.com>2024-02-06 04:38:56 +0100
commit8e8137ac800bdc27181743ec73d0e90e28b4e8af (patch)
tree7e2fbc9d9e305e46414c21d08eeaeb1d56ccb0f0 /kernel/trace/ftrace.c
parent9c2f9bfc860f0cd6f2d3320b5f72a0f4adf24b25 (diff)
merge branch lineage-20 into t13.0t13.0
https: //github.com/LineageOS/android_kernel_google_redbull Change-Id: I4a450eb794cc99abf711ad3b5b82946092be84ba
Diffstat (limited to 'kernel/trace/ftrace.c')
-rw-r--r--kernel/trace/ftrace.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index cbaea3f8f90a..3f5f26173d33 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1332,6 +1332,7 @@ static int ftrace_add_mod(struct trace_array *tr,
if (!ftrace_mod)
return -ENOMEM;
+ INIT_LIST_HEAD(&ftrace_mod->list);
ftrace_mod->func = kstrdup(func, GFP_KERNEL);
ftrace_mod->module = kstrdup(module, GFP_KERNEL);
ftrace_mod->enable = enable;
@@ -3034,7 +3035,7 @@ static int ftrace_allocate_records(struct ftrace_page *pg, int count)
/* if we can't allocate this size, try something smaller */
if (!order)
return -ENOMEM;
- order >>= 1;
+ order--;
goto again;
}
@@ -5055,8 +5056,12 @@ int ftrace_regex_release(struct inode *inode, struct file *file)
if (filter_hash) {
orig_hash = &iter->ops->func_hash->filter_hash;
- if (iter->tr && !list_empty(&iter->tr->mod_trace))
- iter->hash->flags |= FTRACE_HASH_FL_MOD;
+ if (iter->tr) {
+ if (list_empty(&iter->tr->mod_trace))
+ iter->hash->flags &= ~FTRACE_HASH_FL_MOD;
+ else
+ iter->hash->flags |= FTRACE_HASH_FL_MOD;
+ }
} else
orig_hash = &iter->ops->func_hash->notrace_hash;
@@ -6226,7 +6231,7 @@ void __init ftrace_init(void)
}
pr_info("ftrace: allocating %ld entries in %ld pages\n",
- count, count / ENTRIES_PER_PAGE + 1);
+ count, DIV_ROUND_UP(count, ENTRIES_PER_PAGE));
last_ftrace_enabled = ftrace_enabled = 1;