4 ms·
Is Linux actually dependent on the firmware's PCIe probe? You can have the kernel do probe and enumeration if you want. (Outside of the process of getting into
by Teknoman117 4y ago
Is Linux actually dependent on the firmware's PCIe probe? You can have the kernel do probe and enumeration if you want.
(Outside of the process of getting into the kernel. Most x86 users are going to be booting off of storage that's behind PCIe somehow.)
Edit - for clarity, I mean calling back into firmware after boot for PCIe functionality.
- convolvatron 4y agooh no, my recollection was that at least at the time, linux used the apci pci traversal to start driver discovery instead of doing its own. obviously after that it assumes complete control of the device tree.