- sys/xen/hypervisor.h:
- Remove unused helpers: MULTI_update_va_mapping, is_initial_xendomain,
is_running_on_xen
- Remove unused define CONFIG_X86_PAE
- Remove unused variable xen_start_info: note that it's used in
pcifront which is not built at all
- Remove forward declaration of HYPERVISOR_crash
- xen-os.h:
- Remove unused define CONFIG_X86_PAE
- Drop unused helpers: test_and_clear_bit, clear_bit, force_evtchn_callback
- Implement a generic version (based on ofed/include/linux/bitops.h)
of set_bit and test_bit and prefix them by xen_ to avoid any use by
other code than Xen. Note that It would be worth to investigate a
generic implementation in FreeBSD.
- Replace barrier() by __compiler_membar()
- Replace cpu_relax() by cpu_spinwait(): it's exactly the same as
rep;nop = pause
- xen/xen_intr.h:
- Move the prototype of xen_intr_handle_upcall in it: Use by all the
platform
- x86/xen/xen_intr.c:
- Use BITSET* for the enabledbits: Avoid to use custom helpers
- test_bit/set_bit has been renamed to xen_test_bit/xen_set_bit
- Don't export the variable xen_intr_pcpu
- dev/xen/blkback/blkback.c:
- Fix the string format when XBB_DEBUG is enabled: host_addr
is typed uint64_t
- dev/xen/balloon/balloon.c:
- Remove set but not used variable
- Use the correct type for frame_list: xen_pfn_t represents the frame
number on any architecture
- dev/xen/control/control.c:
- Return BUS_PROBE_WILDCARD in xs_probe: Returning 0 in a probe
callback means the driver can handle this device. If by any chance
xenstore is the first driver, every new device with the driver is
unset will use xenstore.
- dev/xen/grant-table/grant_table.c:
- Remove unused cmpxchg
- Drop unused include opt_pmap.h: Doesn't exist on ARM64 and it
doesn't contain anything required for the code on x86
- dev/xen/netfront/netfront.c:
- Use the correct type for rx_pfn_array: xen_pfn_t represents the
frame number on any architecture
- dev/xen/netback/netback.c:
- Use the correct type for gmfn: xen_pfn_t represents the frame
number on any architecture
- dev/xen/xenstore/xenstore.c:
- Return BUS_PROBE_WILDCARD in xctrl_probe: Returning 0 in a probe
callback means the driver can handle this device. If by any chance
xenstore is the first driver, every new device with the driver is
unset will use xenstore.
Note that with the changes, x86/include/xen/xen-os.h doesn't contain anymore
arch-specific code. Although, a new series will add some helpers that differ
between x86 and ARM64, so I've kept the headers for now.