Hi Marc, On 2020/3/11 17:12, Marc Zyngier wrote: > Zhenyu, > > On 2020-03-11 02:53, Zhenyu Ye wrote: >> ARMv8.4-TTL provides the TTL field in tlbi instruction to indicate >> the level of translation table walk holding the leaf entry for the >> address that is being invalidated. Hardware can use this information >> to determine if there was a risk of splintering. >> >> This set of patches adds TTL field to __TLBI_ADDR, and uses >> Architecture-specific MM context to pass the TTL value to tlb interface. >> >> The default value of TTL is 0, which will not have any impact on the >> TLB maintenance instructions. The last patch trys to use TTL field in >> some obviously tlb-flush interface. > > I have already posted some support for ARMv8.4-TTL as part of my NV series [1], > patches 62, 67, 68 and 69. This only deals with Stage-2 translation so far. > If you intend to add Stage-1, please build on top of what I have already posted > (I can extract the patches on a separate branch if you want). > > Thanks, > > M. > > [1] https://lore.kernel.org/linux-arm-kernel/20200211174938.27809-1-maz@xxxxxxxxxx/ I have sent the PATCH v2 on 2020-03-12 [1]. Do you have any suggestion for my code? Is it appropriate to post my code based on your branch? Looking forward to your suggestions. Thanks, zhenyu [1] https://lkml.org/lkml/2020/3/12/2
