x86: Inline TSC reads in timekeeping

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Avoid the overhead of the indirect call for a single instruction to read
the TSC.

Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260224163429.741886362@kernel.org

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Thomas Gleixner 2026-02-24 17:36:24 +01:00 • committed by Peter Zijlstra

parent 2e27beeb66

commit b27801189f

3 changed files with 16 additions and 0 deletions

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1

arch/x86/Kconfig

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14

arch/x86/include/asm/clock_inlined.h

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1

arch/x86/kernel/tsc.c

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