在 2024/11/19 4:48, Kuniyuki Iwashima 写道:
> From: liqiang <liqiang64@xxxxxxxxxx>
> Date: Mon, 18 Nov 2024 21:21:47 +0800
>> @@ -596,10 +632,26 @@ static struct smc_buf_desc *smc_llc_get_next_rmb(struct smc_link_group *lgr,
>> static struct smc_buf_desc *smc_llc_get_first_rmb(struct smc_link_group *lgr,
>> int *buf_lst)
>> {
>> - *buf_lst = 0;
>> + smc_llc_lock_in_turn(lgr->rmbs_lock, buf_lst, SMC_LLC_INTURN_LOCK_INIT);
>> return smc_llc_get_next_rmb(lgr, buf_lst, NULL);
>> }
>>
>> +static inline void smc_llc_bufs_wrlock_all(struct rw_semaphore *lock, int nums)
>> +{
>> + int i = 0;
>> +
>> + for (; i < nums; i++)
>> + down_write(&lock[i]);
>
> LOCKDEP will complain here. You may want to test with
> CONFIG_PROVE_LOCKING=y
Thanks for your reply, other implementations should be considered here.
>
>
>> +}
>> +
>> +static inline void smc_llc_bufs_wrunlock_all(struct rw_semaphore *lock, int nums)
>> +{
>> + int i = 0;
>> +
>> + for (; i < nums; i++)
>> + up_write(&lock[i]);
>> +}
>> +
>> static int smc_llc_fill_ext_v2(struct smc_llc_msg_add_link_v2_ext *ext,
>> struct smc_link *link, struct smc_link *link_new)
>> {
>
--
Cheers,
Li Qiang
