On 12/10/21 19:47, Thomas Gleixner wrote:
The memset(guest_xsave, 0, sizeof(struct kvm_xsave)) also is not reproduced, you can make it unconditional for simplicity; this is not a fast path.Duh, I should have mentioned that in the changelog. The buffer is allocated with kzalloc() soe the memset is redundant, right?
Yes, I always confuse the __user pointers with the temporary ones that are allocated in the callers.
Paolo