freebsd-dev/sys/x86
Adam Fenn 652ae7b114 x86: cpufunc: Add rdtsc_ordered()
Add a variant of 'rdtsc()' that performs the ordered version of 'rdtsc'
appropriate for the invoking x86 variant.

Also, expose the 'lfence'-ed and 'mfence'-ed 'rdtsc()' variants needed
by 'rdtsc_ordered()' for general use.

Sponsored by:	Juniper Networks, Inc.
Sponsored by:	Klara, Inc.
Reviewed by:	kib
Differential Revision:	https://reviews.freebsd.org/D31416
2021-08-14 15:57:53 +03:00
..
acpica Disable x2APIC for SandyBridge laptops with Samsung BIOS 2021-06-03 22:47:31 +03:00
bios smbios: Move smbios driver out from x86 machdep code 2021-02-23 21:17:09 +00:00
conf Use envvar rather than nonstandard hint. lines 2020-09-23 19:18:53 +00:00
cpufreq hwpstate_intel: don't unconditionally print the error message 2020-11-29 01:43:04 +00:00
include x86: cpufunc: Add rdtsc_ordered() 2021-08-14 15:57:53 +03:00
iommu Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights 2021-08-08 10:42:24 -04:00
isa amd64: Add MD bits for KMSAN 2021-08-10 21:27:53 -04:00
linux Drop "All rights reserved" from my copyright statements. 2021-07-20 10:05:50 +03:00
pci x86: clean up empty lines in .c and .h files 2020-09-01 21:23:59 +00:00
x86 x86: cpufunc: Add rdtsc_ordered() 2021-08-14 15:57:53 +03:00
xen xen: introduce xen_has_percpu_evtchn() 2021-07-28 17:27:05 +02:00