KVM: SVM: Load %gs earlier if CONFIG_X86_32_LAZY_GS=n

KVM: SVM: Load %gs earlier if CONFIG_X86_32_LAZY_GS=n

With CONFIG_CC_STACKPROTECTOR, we need a valid %gs at all times, so disable
lazy reload and do an eager reload immediately after the vmexit.

Reported-by: IVAN ANGELOV <ivangotoy@gmail.com>
Acked-By: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
(cherry picked from commit 831ca6093ca486060721f5c3c74f97b10f3172b9)
BugLink: http://bugs.launchpad.net/bugs/729085
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>