On 6/6/22 06:05, Peter Maydell wrote:
/*
  * There is a range of kernels between kernel commit 73433762fcae
  * and f81cb2c3ad41 which have a bug where the kernel doesn't expose
  * SYS_ID_AA64ZFR0_EL1 via the ONE_REG API unless the VM has enabled
  * SVE support, so we only read it here, rather than together with all
  * the other ID registers earlier.
  */

Thanks for the wording.  And looking at those two commits makes it all make 
sense.


r~

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