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H A Dcpu_switch.Sa9262f49 Sat Mar 16 11:12:02 GMT 2019 Konstantin Belousov <kib@FreeBSD.org> amd64: rewrite cpu_switch.S fragment to reload tss.rsp0 on context switch.

New code avoids jumps.

Reviewed by: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D19514
a9262f49 Sat Mar 16 11:12:02 GMT 2019 Konstantin Belousov <kib@FreeBSD.org> amd64: rewrite cpu_switch.S fragment to reload tss.rsp0 on context switch.

New code avoids jumps.

Reviewed by: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D19514
a9262f49 Sat Mar 16 11:12:02 GMT 2019 Konstantin Belousov <kib@FreeBSD.org> amd64: rewrite cpu_switch.S fragment to reload tss.rsp0 on context switch.

New code avoids jumps.

Reviewed by: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D19514
a9262f49 Sat Mar 16 11:12:02 GMT 2019 Konstantin Belousov <kib@FreeBSD.org> amd64: rewrite cpu_switch.S fragment to reload tss.rsp0 on context switch.

New code avoids jumps.

Reviewed by: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D19514
a9262f49 Sat Mar 16 11:12:02 GMT 2019 Konstantin Belousov <kib@FreeBSD.org> amd64: rewrite cpu_switch.S fragment to reload tss.rsp0 on context switch.

New code avoids jumps.

Reviewed by: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D19514
a9262f49 Sat Mar 16 11:12:02 GMT 2019 Konstantin Belousov <kib@FreeBSD.org> amd64: rewrite cpu_switch.S fragment to reload tss.rsp0 on context switch.

New code avoids jumps.

Reviewed by: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D19514
a9262f49 Sat Mar 16 11:12:02 GMT 2019 Konstantin Belousov <kib@FreeBSD.org> amd64: rewrite cpu_switch.S fragment to reload tss.rsp0 on context switch.

New code avoids jumps.

Reviewed by: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D19514