The IA64 port of Linux has no maintainer, and according to a report from its only remaining user [0], it has been broken for a month and nobody cares. Given that keeping a complex but unused architecture alive uses up valuable developer bandwidth, let's just get rid of it. This supersedes my patch proposing to mark it as 'dead', which received no replies from anyone that wants to keep it alive. [1] [0] https://www.spinics.net/lists/linux-ia64/msg21926.html [1] https://lore.kernel.org/all/20230128122904.1345120-1-ardb@xxxxxxxxxx/ Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: Arnd Bergmann <arnd@xxxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Cc: Jessica Clarke <jrtc27@xxxxxxxxxx> Cc: John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Cc: Marc Zyngier <maz@xxxxxxxxxx> Cc: Guenter Roeck <linux@xxxxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: linux-ia64@xxxxxxxxxxxxxxx Ard Biesheuvel (5): arch: Remove Itanium (IA-64) architecture kernel: Drop IA64 support from sig_fault handlers Documentation: Drop IA64 from feature descriptions lib/raid6: Drop IA64 support Documentation: Drop or replace remaining mentions of IA64 Documentation/ABI/testing/sysfs-devices-system-cpu | 3 - Documentation/ABI/testing/sysfs-firmware-dmi-entries | 2 +- Documentation/admin-guide/kdump/kdump.rst | 37 +- 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