Re: [PATCH 1/1] Drivers: hv: Implement the file copy service

From: Dan Carpenter
Date: Thu Jan 09 2014 - 15:09:54 EST


We've had this discussion before where you urge me to trust the host...

Problem: This code is racy.
Solution: The host will only send one message at a time.

Now I have to audit the user space code on the host and I don't feel
like doing that so you win.

I wish we had a better way to do IPC. If kdbus were ready, that might
have worked for this, and it's a better solution because both sender and
reciever code will be written in a less trusting way.

regards,
dan carpenter

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