Messages in this thread | | | Date | Wed, 13 Oct 2021 07:34:43 +0200 | Subject | Re: [patch 16/31] x86/fpu: Replace KVMs homebrewn FPU copy to user | From | Paolo Bonzini <> |
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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
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