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(parent: a0dcdc4) | 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)
commitc724210eec1d6cd20dad2ba37953e69131e62bc4
tree932db5da142dc5bc5a354bbf0b301b7919e67d8ftree | snapshot
parenta0dcdc4ca64230a6d4a2738a96d502ae7293732ccommit | 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
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