Dear all, so the ia64 removal happened despite the efforts - not only from us - to keep it alive in Linux. That is a - sad - fact now. There was no real breakage for ia64 in the kernel that I know of since [db3e33d] was merged five months ago and _if it ain't broke, don't fix it_. Well, it's really broken now. We built upon what others had accomplished before in the kernel and outside of the kernel. We started to take care of existing problems (glibc, gcc) and others also did their part in getting things fixed for ia64 (grub). We gathered people around us that have both the required machines and the interest to help out. And despite what others claim, we are users of this architecture and continue to be and we are not alone. We simply tried to take care of the architecture in and outside of kernel space with the assumption that this was what was needed to keep an architecture alive. But apparently that was either not good enough, not wanted or simply not enough to prevent its removal. At the moment I am out of ideas what other options there are, actually I'm really puzzled here. Because what we tried to accomplish, isn't that what you want for Linux: to arouse people's interest in working on the kernel and ecosytem? Well, you were successful with that for ia64, but removed it anyhow. So I ask the simple question: What needs to be done to get ia64 back into Linux? All the best, Frank [db3e33d]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=db3e33dd8bd956f165436afdbdbf1c653fb3c8e6 On 02.11.23 00:50, Arnd Bergmann wrote:
The following changes since commit a0334bf78b95532cec54f56b53e8ae1bfe7e1ca1: acpi: Provide ia64 dummy implementation of acpi_proc_quirk_mwait_check() (2023-09-11 08:13:17 +0000) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git tags/asm-generic-6.7 for you to fetch changes up to 550087a0ba91eb001c139f563a193b1e9ef5a8dd: hexagon: Remove unusable symbols from the ptrace.h uapi (2023-10-25 15:54:24 +0200) ---------------------------------------------------------------- asm-generic updates for v6.7 The ia64 architecture gets its well-earned retirement as planned, now that there is one last (mostly) working release that will be maintained as an LTS kernel. The architecture specific system call tables are updated for the added map_shadow_stack() syscall and to remove references to the long-gone sys_lookup_dcookie() syscall. ---------------------------------------------------------------- Note that the ia64 removal has a number of conflicts against modified files from other pull requests. It might help to pull this a few days later, after most of the other ones are already there. Andy Shevchenko (1): asm-generic: Fix spelling of architecture 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 Arnd Bergmann (1): Merge tag 'tag-remove-ia64' of git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux into asm-generic Sohil Mehta (2): syscalls: Cleanup references to sys_lookup_dcookie() arch: Reserve map_shadow_stack() syscall number for all architectures Thomas Huth (1): hexagon: Remove unusable symbols from the ptrace.h uapi Documentation/ABI/testing/sysfs-devices-system-cpu | 3 - .../ABI/testing/sysfs-firmware-dmi-entries | 2 +- Documentation/admin-guide/kdump/kdump.rst | 37 +- Documentation/admin-guide/kdump/vmcoreinfo.rst | 30 - Documentation/admin-guide/kernel-parameters.txt | 8 +- Documentation/admin-guide/mm/memory-hotplug.rst | 2 +- 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