[Xen-changelog] [xen master] x86: allow disabling the emulated VGA

[patchbot@xxxxxxx]

commit 4d81504ff449010daf69d930ebcd2d23b19a1cda
Author:     Roger Pau Monné <roger.pau@xxxxxxxxxx>
AuthorDate: Tue Nov 10 12:07:32 2015 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Nov 10 12:07:32 2015 +0100

    x86: allow disabling the emulated VGA

    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/hvm/stdvga.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/xen/arch/x86/hvm/stdvga.c b/xen/arch/x86/hvm/stdvga.c
index 86c94d2..bd23b52 100644
--- a/xen/arch/x86/hvm/stdvga.c
+++ b/xen/arch/x86/hvm/stdvga.c
@@ -578,6 +578,9 @@ void stdvga_init(struct domain *d)
     struct page_info *pg;
     unsigned int i;

+    if ( !has_vvga(d) )
+        return;
+
     memset(s, 0, sizeof(*s));
     spin_lock_init(&s->lock);

@@ -615,6 +618,9 @@ void stdvga_deinit(struct domain *d)
     struct hvm_hw_stdvga *s = &d->arch.hvm_domain.stdvga;
     int i;

+    if ( !has_vvga(d) )
+        return;
+
     for ( i = 0; i != ARRAY_SIZE(s->vram_page); i++ )
     {
         if ( s->vram_page[i] == NULL )
--
generated by git-patchbot for /home/xen/git/xen.git#master

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