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[PATCH for-4.17] x86/spec-ctrl: Fill in whitepaper URL
- To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Mon, 14 Nov 2022 21:43:58 +0000
- Authentication-results: esa1.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Henry Wang <Henry.Wang@xxxxxxx>
- Delivery-date: Mon, 14 Nov 2022 21:44:09 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
... now that we a link available.
Fixes: 9deaf2d932f0 ("x86/spec-ctrl: Enable Zen2 chickenbit")
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Jan Beulich <JBeulich@xxxxxxxx>
CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
CC: Wei Liu <wl@xxxxxxx>
CC: Henry Wang <Henry.Wang@xxxxxxx>
For 4.17(?) Seeing if I can sneak it in as just a documentation change,
seeing as there are others outstanding. If not, it can go into 4.18 and get
backported.
---
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 05d72c6501ee..af46d7119bbe 100644
--- a/xen/arch/x86/cpu/amd.c
+++ b/xen/arch/x86/cpu/amd.c
@@ -827,7 +827,7 @@ void amd_set_ssbd(bool enable)
* 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
--
2.11.0
|
