Re: [PATCH v2 08/11] lib: add support for device coherent type in test_hmm

2022-01-04 Thread Liam Howlett
* Alex Sierra [211206 14:00]: > Device Coherent type uses device memory that is coherently accesible by > the CPU. This could be shown as SP (special purpose) memory range > at the BIOS-e820 memory enumeration. If no SP memory is supported in > system, this could be faked by setting

[PATCH v2 08/11] lib: add support for device coherent type in test_hmm

2021-12-06 Thread Alex Sierra
Device Coherent type uses device memory that is coherently accesible by the CPU. This could be shown as SP (special purpose) memory range at the BIOS-e820 memory enumeration. If no SP memory is supported in system, this could be faked by setting CONFIG_EFI_FAKE_MEMMAP. Currently, test_hmm only