On 6/8/23 16:48, Simon Horman wrote:
> On Mon, Jun 05, 2023 at 03:39:02PM +0200, Eelco Chaudron wrote:
>> Make the read of the current seq->value atomic, i.e., not needing to
>> acquire the global mutex when reading it. On 64-bit systems, this
>> incurs no overhead, and it will avoid the mutex and potentially
>> a system call.
>>
>> For incrementing the value followed by waking up the threads, we are
>> still taking the mutex, so the current behavior is not changing. The
>> seq_read() behavior is already defined as, "Returns seq's current
>> sequence number (which could change immediately)". So the change
>> should not impact the current behavior.
>>
>> Signed-off-by: Eelco Chaudron <[email protected]>
> 
> Reviewed-by: Simon Horman <[email protected]>
> 

Applied.  Thanks!

Best regards, Ilya Maximets.
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