On 24/11/2020 17:44, Stefano Stabellini wrote:
On Tue, 24 Nov 2020, Rahul Singh wrote:
On 24 Nov 2020, at 11:12 am, Bertrand Marquis <[email protected]> wrote:
On the Cortex A55, TLB entries can be allocated by a speculative AT
instruction. If this is happening during a guest context switch with an
inconsistent page table state in the guest, TLBs with wrong values might
be allocated.
The ARM64_WORKAROUND_AT_SPECULATE workaround is used as for erratum
1165522 on Cortex A76 or Neoverse N1.
This change is also introducing the MIDR identifier for the Cortex-A55.
Signed-off-by: Bertrand Marquis <[email protected]>
Reviewed-by: Rahul Singh <[email protected]>
Reviewed-by: Stefano Stabellini <[email protected]>
Acked-by: Julien Grall <[email protected]>
And committed.
Cheers,
--
Julien Grall
