xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
複製 0
程式碼 問題管理 合併請求 Actions Packages Projects 版本發佈 Wiki Activity

Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

瀏覽代碼 
Pull locking fixes from Ingo Molnar:

 - Change the new refcount_t warnings from WARN() to WARN_ONCE()

 - two ww_mutex fixes

 - plus a new lockdep self-consistency check for a bug that triggered in
   practice

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/ww_mutex: Adjust the lock number for stress test
  locking/lockdep: Add nest_lock integrity test
  locking/ww_mutex: Replace cpu_relax() with cond_resched() for tests
  locking/refcounts: Change WARN() to WARN_ONCE()
This commit is contained in:
Linus Torvalds
2017-03-07 14:33:11 -08:00
父節點 26db8f9924 857811a371
當前提交 500e1af252
共有 3 個文件被更改，包括 19 次插入 和 12 次删除
Download Patch File Download Diff File Expand all files Collapse all files

14
lib/refcount.c
查看文件

@@ -58,7 +58,7 @@ bool refcount_add_not_zero(unsigned int i, refcount_t *r)
val = old;
}
WARN(new == UINT_MAX, "refcount_t: saturated; leaking memory.\n");
WARN_ONCE(new == UINT_MAX, "refcount_t: saturated; leaking memory.\n");
return true;
}
@@ -66,7 +66,7 @@ EXPORT_SYMBOL_GPL(refcount_add_not_zero);
void refcount_add(unsigned int i, refcount_t *r)
{
WARN(!refcount_add_not_zero(i, r), "refcount_t: addition on 0; use-after-free.\n");
WARN_ONCE(!refcount_add_not_zero(i, r), "refcount_t: addition on 0; use-after-free.\n");
}
EXPORT_SYMBOL_GPL(refcount_add);
@@ -97,7 +97,7 @@ bool refcount_inc_not_zero(refcount_t *r)
val = old;
}
WARN(new == UINT_MAX, "refcount_t: saturated; leaking memory.\n");
WARN_ONCE(new == UINT_MAX, "refcount_t: saturated; leaking memory.\n");
return true;
}
@@ -111,7 +111,7 @@ EXPORT_SYMBOL_GPL(refcount_inc_not_zero);
*/
void refcount_inc(refcount_t *r)
{
WARN(!refcount_inc_not_zero(r), "refcount_t: increment on 0; use-after-free.\n");
WARN_ONCE(!refcount_inc_not_zero(r), "refcount_t: increment on 0; use-after-free.\n");
}
EXPORT_SYMBOL_GPL(refcount_inc);
@@ -125,7 +125,7 @@ bool refcount_sub_and_test(unsigned int i, refcount_t *r)
new = val - i;
if (new > val) {
WARN(new > val, "refcount_t: underflow; use-after-free.\n");
WARN_ONCE(new > val, "refcount_t: underflow; use-after-free.\n");
return false;
}
@@ -164,7 +164,7 @@ EXPORT_SYMBOL_GPL(refcount_dec_and_test);
void refcount_dec(refcount_t *r)
{
WARN(refcount_dec_and_test(r), "refcount_t: decrement hit 0; leaking memory.\n");
WARN_ONCE(refcount_dec_and_test(r), "refcount_t: decrement hit 0; leaking memory.\n");
}
EXPORT_SYMBOL_GPL(refcount_dec);
@@ -204,7 +204,7 @@ bool refcount_dec_not_one(refcount_t *r)
new = val - 1;
if (new > val) {
WARN(new > val, "refcount_t: underflow; use-after-free.\n");
WARN_ONCE(new > val, "refcount_t: underflow; use-after-free.\n");
return true;
}