X86_MATCH_FEATURE(9)

✨ NAME ✨

okay so X86_MATCH_FEATURE is literally the macro for matching a CPU feature 🎯 and yes bestie, this whole page is from the Kernel API Manual — the X86_MATCH_FEATURE(9) one, mwah 💋.

🌸 SYNOPSIS 🌸

no cap, it's this exact vibe:

X86_MATCH_FEATURE (feature , data );

💅 ARGUMENTS 💅

• feature — a X86_FEATURE bit. that's the feature you're matching, periodt ✨
• data — driver specific data or NULL. the internal storage format is unsigned long, and the supplied value, pointer etc. is casted to unsigned long internally 🫶

🦋 SEE ALSO 🦋

the kernel file is ./arch/x86/include/asm/cpu_device_id.h — that's where this lives, iykyk 👑

also go peek at these besties:

• X86_MATCH_CPU(9)
• X86_MATCH_VENDOR_FAM_FEATURE(9)
• X86_MATCH_VENDOR_FEATURE(9)
• X86_MATCH_VENDOR_FAM_MODEL(9)
• X86_MATCH_VENDOR_FAM(9)
• X86_MATCH_VFM(9)
• X86_MATCH_VFM_STEPS(9)
• X86_MATCH_VFM_FEATURE(9)
• X86_MATCH_VFM_CPU_TYPE(9)

xoxo 💋 your source/version is ./arch/x86/include/asm and the date is October 2026 — that's the footer energy, bestie 🎀