Re: [PATCH v2 1/4] udmabuf: cancel mmap page fault, direct map it

2024-08-22 Thread Christian König
Am 12.08.24 um 04:49 schrieb Huan Yang: 在 2024/8/10 9:28, Kasireddy, Vivek 写道: [Some people who received this message don't often get email from vivek.kasire...@intel.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] Hi Huan, The current udmabuf mmap uses

Re: [PATCH v2 1/4] udmabuf: cancel mmap page fault, direct map it

2024-08-11 Thread Huan Yang
在 2024/8/10 9:28, Kasireddy, Vivek 写道: [Some people who received this message don't often get email from vivek.kasire...@intel.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] Hi Huan, The current udmabuf mmap uses a page fault mechanism to populate the v

RE: [PATCH v2 1/4] udmabuf: cancel mmap page fault, direct map it

2024-08-09 Thread Kasireddy, Vivek
Hi Huan, > > The current udmabuf mmap uses a page fault mechanism to populate the > vma. > > However, the current udmabuf has already obtained and pinned the folio > upon completion of the creation.This means that the physical memory has > already been acquired, rather than being accessed dynami

[PATCH v2 1/4] udmabuf: cancel mmap page fault, direct map it

2024-08-04 Thread Huan Yang
The current udmabuf mmap uses a page fault mechanism to populate the vma. However, the current udmabuf has already obtained and pinned the folio upon completion of the creation.This means that the physical memory has already been acquired, rather than being accessed dynamically. The current page f