[Xen-changelog] [xen master] Revert "tools/libxc: disable x2APIC when using nested virtualization"

[patchbot@xxxxxxx]

commit a1a357fcf5e7e2f49dfc45a138c15f504ae1b481
Author:     Roger Pau Monné <roger.pau@xxxxxxxxxx>
AuthorDate: Wed Feb 5 13:51:19 2020 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Feb 5 13:51:19 2020 +0100

    Revert "tools/libxc: disable x2APIC when using nested virtualization"
    
    This reverts commit 7b3c5b70a32303b46d0d051e695f18d72cce5ed0 and
    re-enables the usage of x2APIC with nested virtualization.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Wei Liu <wl@xxxxxxx>
---
 tools/libxc/xc_cpuid_x86.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/tools/libxc/xc_cpuid_x86.c b/tools/libxc/xc_cpuid_x86.c
index ac38c1406e..2540aa1e1c 100644
--- a/tools/libxc/xc_cpuid_x86.c
+++ b/tools/libxc/xc_cpuid_x86.c
@@ -653,17 +653,6 @@ int xc_cpuid_apply_policy(xc_interface *xch, uint32_t 
domid,
         p->extd.itsc = true;
         p->basic.vmx = true;
         p->extd.svm = true;
-
-        /*
-         * BODGE: don't announce x2APIC mode when using nested virtualization,
-         * as it doesn't work properly. This should be removed once the
-         * underlying bug(s) are fixed.
-         */
-        rc = xc_hvm_param_get(xch, domid, HVM_PARAM_NESTEDHVM, &val);
-        if ( rc )
-            goto out;
-        if ( val )
-            p->basic.x2apic = false;
     }
 
     rc = x86_cpuid_copy_to_buffer(p, leaves, &nr_leaves);
--
generated by git-patchbot for /home/xen/git/xen.git#master

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