Re: swsusp: fix suspending with mysqld

[Andrew Morton]

Pavel Machek <pavel@xxxxxx> wrote:
>
> mysqld does signal calls in pretty tight loop, and swsusp is not able
> to stop processes in such case. This should fix it. Please apply,
>
> ...
> @@ -2260,6 +2259,8 @@
>  			ret = -EINTR;
>  	}
>  
> +	if (current->flags & PF_FREEZE)
> +		refrigerator(1);
>  	return ret;
>  }

This seems hacky, and arbitrary.  I mean, why add this in
sys_rt_sigtimedwait()?  Because that is the syscall which mysql appears to
use?  What if a different application were to be using a different syscall?
Do we add a refrigerator() call there too?

Or am I missing something?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/