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(parent: 11a48a5) | patch
x86/vdso: Mark the TSC clocksource path likely
authorThomas Gleixner <tglx@linutronix.de>
Fri, 7 Feb 2020 12:38:48 +0000 (13:38 +0100)
committerThomas Gleixner <tglx@linutronix.de>
Mon, 17 Feb 2020 13:40:19 +0000 (14:40 +0100)
commit50e818715821b89c7abac90a97721f106e893d83
tree932db5da142dc5bc5a354bbf0b301b7919e67d8ftree | snapshot
parent11a48a5a18c63fd7621bb050228cebf13566e4d8commit | diff
x86/vdso: Mark the TSC clocksource path likely

Jumping out of line for the TSC clcoksource read is creating awful
code. TSC is likely to be the clocksource at least on bare metal and the PV
interfaces are sufficiently more work that the jump over the TSC read is
just in the noise.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lkml.kernel.org/r/20200207124402.328922847@linutronix.de
arch/x86/include/asm/vdso/gettimeofday.h diff | blob | history
Domain: System / Kernel;