leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Hello, Linus.

Browse Source 
One "int -> atomic_t" conversion patch for suppressing KCSAN's warning.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
 iQIcBAABAgAGBQJeL7ThAAoJEEJfEo0MZPUqXxsP/3wht/gXCor+j8qnaGmNBlvA
 CXSmF/1Q0YkqbHDMGw+mtL1a372lb7uBWm2DVXsYXxAf5V5/ua9vfefCa8VSP/+x
 iVKF4yr0ddKXEDAuRKn+hsrN+UB3pYEvFy8DhfOgc8aSmNsrSEp42FyX0lV2MHuR
 VJoPjw4fr3pupxiSqLZUY8dXMvoO7vzfS9c01la+MJDCa9/Qqo7NakeszA24yPEt
 Cfz9zw6oui8PhYkEm+3rBTB3o1fInUYW1CBu7vS63GD07Mtmq9nWXzSnkQYFxngb
 kzqt7WNYPYKyOj+6BOi9b+BS7C7WKqsnoIlUotYvIhG5CxovUEr+6aQdo52HGMMq
 nG7ruDkBTBfNyLsYlQVP2mgZuYkFYeKsG2/Fwomt8wj99s0XbPlbyyF0fMaH/kU4
 qszsyG3Szps7oPHV6Pvi+aX3N3DOos3Qq7S22O2QjtwheEMUfdZUzjmuLp0T1hX3
 QSjBwMLDShF+dA2jvSuLOOyjHFAd+ZCkdyYZfVFbwIzraRoS8a+umArjnFbrWn9/
 xZ5Ts9M3sG/m7zNh0ULx3r3g9djTg37643LMM6smyYxBjx92ZT8ojjXi8fBf/uwB
 TpkzF1muEsdtqAcpTLX8y+iAMYlFR3m5nUzNKZGJgOFsSaA6+dOUso1ErsWf/vHO
 hwbWvuoWVSnhO+lA9I4+
 =ygGl
 -----END PGP SIGNATURE-----

Merge tag 'tomoyo-pr-20200128' of git://git.osdn.net/gitroot/tomoyo/tomoyo-test1

Pull tomoyo update from Tetsuo Handa:
 "One 'int' -> 'atomic_t' conversion patch to suppress KCSAN's warning"

* tag 'tomoyo-pr-20200128' of git://git.osdn.net/gitroot/tomoyo/tomoyo-test1:
  tomoyo: Use atomic_t for statistics counter
This commit is contained in:
Linus Torvalds 2020-01-28 18:49:23 -08:00
commit 2cf64d7cb2
1 changed files with 4 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
security/tomoyo/common.c
View File

@ -2322,9 +2322,9 @@ static const char * const tomoyo_memory_headers[TOMOYO_MAX_MEMORY_STAT] = {
[TOMOYO_MEMORY_QUERY] = "query message:",
};
/* Timestamp counter for last updated. */
static unsigned int tomoyo_stat_updated[TOMOYO_MAX_POLICY_STAT];
/* Counter for number of updates. */
static atomic_t tomoyo_stat_updated[TOMOYO_MAX_POLICY_STAT];
/* Timestamp counter for last updated. */
static time64_t tomoyo_stat_modified[TOMOYO_MAX_POLICY_STAT];
/**
@ -2336,10 +2336,7 @@ static time64_t tomoyo_stat_modified[TOMOYO_MAX_POLICY_STAT];
*/
void tomoyo_update_stat(const u8 index)
{
/*
* I don't use atomic operations because race condition is not fatal.
*/
tomoyo_stat_updated[index]++;
atomic_inc(&tomoyo_stat_updated[index]);
tomoyo_stat_modified[index] = ktime_get_real_seconds();
}
@ -2360,7 +2357,7 @@ static void tomoyo_read_stat(struct tomoyo_io_buffer *head)
for (i = 0; i < TOMOYO_MAX_POLICY_STAT; i++) {
tomoyo_io_printf(head, "Policy %-30s %10u",
tomoyo_policy_headers[i],
tomoyo_stat_updated[i]);
atomic_read(&tomoyo_stat_updated[i]));
if (tomoyo_stat_modified[i]) {
struct tomoyo_time stamp;