Re: [PATCH v2 1/1] iommu/arm-smmu-v3: eliminate a potential memory corruption on Hi16xx soc

2018-10-29 Thread Leizhen (ThunderTown)
On 2018/10/30 1:59, Will Deacon wrote: > On Sat, Oct 20, 2018 at 03:36:54PM +0800, Zhen Lei wrote: >> The standard GITS_TRANSLATER register in ITS is only 4 bytes, but >> Hisilicon expands the next 4 bytes to carry some IMPDEF information. That >> means, total 8 bytes data will be written to

Re: [PATCH v2 1/1] iommu/arm-smmu-v3: eliminate a potential memory corruption on Hi16xx soc

2018-10-29 Thread Leizhen (ThunderTown)
On 2018/10/30 1:59, Will Deacon wrote: > On Sat, Oct 20, 2018 at 03:36:54PM +0800, Zhen Lei wrote: >> The standard GITS_TRANSLATER register in ITS is only 4 bytes, but >> Hisilicon expands the next 4 bytes to carry some IMPDEF information. That >> means, total 8 bytes data will be written to