[Bug 267028] kernel panics when booting with both (zfs,ko or vboxnetflt,ko or acpi_wmi.ko) and amdgpu.ko

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267028

--- Comment #126 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Mark Millard from comment #125)

Picking the drm-515-kmod one: it looks like the source 
file referenced needs to include the content of the
file providing the #define :

/usr/main-src/sys/compat/linuxkpi/common/include/linux/preempt.h:#define       
in_interrupt() \


There are overall, some other uses:

drm-kmod//drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:     if (r < 1 &&
in_interrupt())
drm-kmod//drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c:      if (r < 1 &&
(amdgpu_in_reset(adev) || in_interrupt()))
drm-kmod//drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c:      if (r < 1 &&
(amdgpu_in_reset(adev) || in_interrupt()))
drm-kmod//drivers/gpu/drm/drm_cache.c:  if (WARN_ON(in_interrupt())) {
drm-kmod//drivers/gpu/drm/drm_cache.c:  WARN_ON(in_interrupt());

I have not checked if any others of those do get preempt.h
already.

amd64 might be working via header pollution in some way
that aarch64 does not?

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