Re: [PATCH] [AARCH64] Add support for new control bits CTR_EL0.DIC and CTR_EL0.IDC

2019-09-03 Thread Shaokun Zhang
Hi Kyrill, On 2019/9/2 22:31, Kyrill Tkachov wrote: > Hi Shaokun > > On 8/31/19 8:12 AM, Shaokun Zhang wrote: >> The DCache clean & ICache invalidation requirements for instructions >> to be data coherence are discoverable through new fields in CTR_EL0. >> Let's support the two bits if they are e

Re: [PATCH] [AARCH64] Add support for new control bits CTR_EL0.DIC and CTR_EL0.IDC

2019-09-03 Thread Shaokun Zhang
Hi Kyrill, On 2019/9/2 22:24, Kyrill Tkachov wrote: > Hi Shaokun, > > On 8/31/19 8:12 AM, Shaokun Zhang wrote: >> The DCache clean & ICache invalidation requirements for instructions >> to be data coherence are discoverable through new fields in CTR_EL0. >> Let's support the two bits if they are

Re: [PATCH] [AARCH64] Add support for new control bits CTR_EL0.DIC and CTR_EL0.IDC

2019-09-02 Thread Kyrill Tkachov
Hi Shaokun On 8/31/19 8:12 AM, Shaokun Zhang wrote: The DCache clean & ICache invalidation requirements for instructions to be data coherence are discoverable through new fields in CTR_EL0. Let's support the two bits if they are enabled, the CPU core will not execute the unnecessary DCache clean

Re: [PATCH] [AARCH64] Add support for new control bits CTR_EL0.DIC and CTR_EL0.IDC

2019-09-02 Thread Kyrill Tkachov
Hi Shaokun, On 8/31/19 8:12 AM, Shaokun Zhang wrote: The DCache clean & ICache invalidation requirements for instructions to be data coherence are discoverable through new fields in CTR_EL0. Let's support the two bits if they are enabled, the CPU core will not execute the unnecessary DCache clea

[PATCH] [AARCH64] Add support for new control bits CTR_EL0.DIC and CTR_EL0.IDC

2019-08-31 Thread Shaokun Zhang
The DCache clean & ICache invalidation requirements for instructions to be data coherence are discoverable through new fields in CTR_EL0. Let's support the two bits if they are enabled, the CPU core will not execute the unnecessary DCache clean or Icache Invalidation instructions. 2019-08-31 Shao