[xen stable-4.18] x86/spec-ctrl: Add SRSO whitepaper URL

[patchbot@xxxxxxx]

commit 40bfa9dd57f1efdd0f0dc974e80a438d9db90874
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Thu Nov 23 12:13:31 2023 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Nov 23 12:13:31 2023 +0100

    x86/spec-ctrl: Add SRSO whitepaper URL
    
    ... now that it exists in public.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: 78a86b26868c12ae1cc3dd2a8bb9aa5eebaa41fd
    master date: 2023-11-07 17:47:34 +0000
---
 xen/arch/x86/spec_ctrl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xen/arch/x86/spec_ctrl.c b/xen/arch/x86/spec_ctrl.c
index 6fd7d44ce4..a8d8af22f6 100644
--- a/xen/arch/x86/spec_ctrl.c
+++ b/xen/arch/x86/spec_ctrl.c
@@ -903,6 +903,9 @@ static bool __init should_use_eager_fpu(void)
     }
 }
 
+/*
+ * 
https://www.amd.com/content/dam/amd/en/documents/corporate/cr/speculative-return-stack-overflow-whitepaper.pdf
+ */
 static void __init srso_calculations(bool hw_smt_enabled)
 {
     if ( !(boot_cpu_data.x86_vendor &
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.18