x86/idle: Extend ISR/C6 erratum workaround to Haswell
authorAndrew Cooper <andrew.cooper3@citrix.com>
Fri, 22 May 2020 14:46:44 +0000 (15:46 +0100)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Fri, 22 May 2020 19:04:23 +0000 (20:04 +0100)
commitb72d8870b5f68f06b083e6bfdb28f081bcb6ab3b
treed272b2affc4cdd8c1b05dd821afbddadb716225a
parent9947ddbf7053bb9111d1e478986ef18764ea8aeb
x86/idle: Extend ISR/C6 erratum workaround to Haswell

This bug was first discovered against Haswell.  It is definitely affected.

(The XenServer ticket for this bug was opened on 2013-05-30 which is coming up
on 7 years old, and predates Broadwell).

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
xen/arch/x86/acpi/cpu_idle.c