[Xen-devel] [OSSTEST PATCH 55/62] make-flight: shadow test: Disable kpti in guests

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

Since Spectre/Meltdown, shadow has been a lot slower, especially with
KPTI in the guest.  Empirically, too slow (with the kernel from Debian
stretch).

CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 make-flight | 1 +
 1 file changed, 1 insertion(+)

diff --git a/make-flight b/make-flight
index 151b1435..1e3ebd5c 100755
--- a/make-flight
+++ b/make-flight
@@ -493,6 +493,7 @@ do_shadow_tests () {
             $debian_runvars all_hostflags=$most_hostflags
 
   do_hvm_debian_test_one debianhvm xl seabios false '' -shadow \
+                         all_guest_linux_boot_append=nopti \
                          "xen_boot_append=hap=false"
 }
 
-- 
2.11.0


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