[xen stable-4.16] x86/spec-ctrl: Fill in whitepaper URL

[patchbot@xxxxxxx]

commit 43a5ce211ba55a34579519066c1be939549db319
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Mon Nov 28 11:45:21 2022 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Nov 28 11:45:21 2022 +0100

    x86/spec-ctrl: Fill in whitepaper URL
    
    ... now that we a link available.
    
    Fixes: 9deaf2d932f0 ("x86/spec-ctrl: Enable Zen2 chickenbit")
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: 764146ed8a7a44034c3efe658333993ca250d69a
    master date: 2022-11-16 12:54:08 +0000
---
 xen/arch/x86/cpu/amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/cpu/amd.c b/xen/arch/x86/cpu/amd.c
index 9635eee619..08e3e1e8a2 100644
--- a/xen/arch/x86/cpu/amd.c
+++ b/xen/arch/x86/cpu/amd.c
@@ -735,7 +735,7 @@ void amd_init_ssbd(const struct cpuinfo_x86 *c)
  * On Zen2 we offer this chicken (bit) on the altar of Speculation.
  *
  * Refer to the AMD Branch Type Confusion whitepaper:
- * https://XXX
+ * 
https://www.amd.com/system/files/documents/technical-guidance-for-mitigating-branch-type-confusion.pdf
  *
  * Setting this unnamed bit supposedly causes prediction information on
  * non-branch instructions to be ignored.  It is to be set unilaterally in
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.16