Re: [PATCH 4/5] drm/msm: Use separate ASID for each set of pgtables

2022-08-22 Thread Robin Murphy
On 2022-08-22 14:52, Robin Murphy wrote: On 2022-08-21 19:19, Rob Clark wrote: From: Rob Clark Optimize TLB invalidation by using different ASID for each set of pgtables.  There can be scenarios where multiple processes end up with the same ASID (such as >256 processes using the GPU), but

Re: [PATCH 4/5] drm/msm: Use separate ASID for each set of pgtables

2022-08-22 Thread Robin Murphy
On 2022-08-21 19:19, Rob Clark wrote: From: Rob Clark Optimize TLB invalidation by using different ASID for each set of pgtables. There can be scenarios where multiple processes end up with the same ASID (such as >256 processes using the GPU), but this is harmless, it will only result in some

[PATCH 4/5] drm/msm: Use separate ASID for each set of pgtables

2022-08-21 Thread Rob Clark
From: Rob Clark Optimize TLB invalidation by using different ASID for each set of pgtables. There can be scenarios where multiple processes end up with the same ASID (such as >256 processes using the GPU), but this is harmless, it will only result in some over-invalidation (but less