resolve_kernel

ktstr::kernel_path

Function resolve_kernel 

Source 
pub fn resolve_kernel(kernel_dir: Option<&str>) -> Option<PathBuf>
Expand description

Resolve a kernel source/build directory.

kernel_dir: value of KTSTR_KERNEL env var (if set).

Search order:

  1. kernel_dir parameter (from env var)
  2. ./linux (workspace-local build tree)
  3. ../linux (sibling directory)
  4. /lib/modules/{release}/build (installed kernel headers)

Returns the directory path if a kernel tree is found.