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(parent: 9f08890) | patch
x86/xen/time: set pvclock flags on xen_time_init()
authorJoao Martins <joao.m.martins@oracle.com>
Wed, 8 Nov 2017 17:19:56 +0000 (17:19 +0000)
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>
Wed, 8 Nov 2017 21:33:14 +0000 (16:33 -0500)
commitb888808093113ae7d63d213272d01fea4b8329ed
treee580648ce8a0fa9ec3820102855c32403313df5btree | snapshot
parent9f08890ab906abaf9d4c1bad8111755cbd302260commit | diff
x86/xen/time: set pvclock flags on xen_time_init()

Specifically check for PVCLOCK_TSC_STABLE_BIT and if this bit is set,
then set it too on pvclock flags. This allows Xen clocksource to use it
and thus speeding up xen_clocksource_read() callers (i.e. sched_clock())

Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
arch/x86/xen/time.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)