]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commitcd9ddaaf321b2d6dcaf1f19df332952540cacb6d
tree932db5da142dc5bc5a354bbf0b301b7919e67d8f
parent80b2d47f70ccd2a60c3e607ab0470ddb354d8917
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