Re: [PATCH] KVM: arm64/sve: Ensure SVE is trapped after guest exit

On Tue, Jan 21, 2025 at 10:00:26AM +0000, Mark Rutland wrote:

There is a period of time after returning from a KVM_RUN ioctl where
userspace may use SVE without trapping, but the kernel can unexpectedly
discard the live SVE state. Eric Auger has observed this causing QEMU
crashes where SVE is used by memmove():

Reviewed-by: Mark Brown <broonie@kernel.org>