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Linux kernel to drop x32 hybrid mode by 2027

By PulseAugur Editorial · [2 sources] ·

Linux developers are proposing to remove the x32 ABI, a hybrid 32-bit/64-bit mode, from the Linux kernel by 2027. Introduced in 2012, this mode aimed to optimize memory usage for 64-bit applications by using 32-bit pointers while retaining 64-bit registers. However, it saw limited adoption due to added complexity, a 4GB memory limit per process, and insufficient performance gains over standard 64-bit operation. The mode was also exclusive to Linux, never being ported to other major operating systems. AI

RANK_REASON Discussion of a technical feature removal from an operating system kernel. [lever_c_demoted from research: ic=2 ai=0.1]

Read on Tom's Hardware →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Linux kernel to drop x32 hybrid mode by 2027

COVERAGE [2]

  1. Tom's Hardware TIER_1 English(EN) · Aaron Klotz ·

    Linux prepares to axe legacy x32 hybrid mode — hybrid 32-bit/64-bit mode faces complete removal by 2027 due to low adoption

    Linux developers are discussing removing x32 ABI from the Linux kernel; a hybrid x32/64-bit mode that was never widely adopted by software developers.

  2. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    Linux prepares to axe legacy x32 hybrid mode — hybrid 32-bit/64-bit mode faces complete removal by 2027 due to low adoption Linux developers are discussing remo

    Linux prepares to axe legacy x32 hybrid mode — hybrid 32-bit/64-bit mode faces complete removal by 2027 due to low adoption Linux developers are discussing removing x32 ABI from the Linux kernel; a hybrid x32/64-bit mode that was never widely adopted by software developers. https…

    LINKS tomshardware.com/…/linux-developers-are-l…

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