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anolis: crypto: ccp: use time_after() instead of time_before() to checks schedule condition 

ANBZ: #22926

Used time_before(jiffies, last_je) in psp_mutex_lock_timeout()
which yields CPU too early.

Fixed to time_after(jiffies, last_je + msecs_to_jiffies(100))
for proper 100ms wait.

Signed-off-by: xiongmengbiao <xiongmengbiao@hygon.cn>
Reviewed-by: Guixin Liu <kanie@linux.alibaba.com>
Link: https://gitee.com/anolis/cloud-kernel/pulls/5532
This commit is contained in:
xiongmengbiao 2025-07-02 11:36:30 +08:00 committed by 小龙
parent 7fc3abd8b2
commit 71a37bdc5f
1 changed files with 3 additions and 3 deletions
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6
drivers/crypto/ccp/psp-dev.c
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@ -84,7 +84,7 @@ int psp_mutex_lock_timeout(struct psp_mutex *mutex, uint64_t ms)
int ret = 0;
unsigned long je, last_je;
last_je = jiffies + msecs_to_jiffies(100);
last_je = jiffies;
je = jiffies + msecs_to_jiffies(ms);
do {
if (psp_mutex_trylock(mutex)) {
@ -93,9 +93,9 @@ int psp_mutex_lock_timeout(struct psp_mutex *mutex, uint64_t ms)
}
// avoid triggering soft lockup warning
if (time_before(jiffies, last_je)) {
if (time_after(jiffies, last_je + msecs_to_jiffies(100))) {
schedule();
last_je = jiffies + msecs_to_jiffies(100);
last_je = jiffies;
}
} while ((ms == 0) || time_before(jiffies, je));