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[PATCH 1/3] x86/spec-ctrl: Honour spec-ctrl=0 for unpriv-mmio sub-option
- To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Fri, 8 Jul 2022 17:19:32 +0100
- Authentication-results: esa5.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>
- Delivery-date: Fri, 08 Jul 2022 16:20:18 +0000
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This was an oversight from when unpriv-mmio was introduced.
Fixes: 8c24b70fedcb ("x86/spec-ctrl: Add spec-ctrl=unpriv-mmio")
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>
---
xen/arch/x86/spec_ctrl.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/xen/arch/x86/spec_ctrl.c b/xen/arch/x86/spec_ctrl.c
index 7a4550db8318..ba64a09048be 100644
--- a/xen/arch/x86/spec_ctrl.c
+++ b/xen/arch/x86/spec_ctrl.c
@@ -122,6 +122,7 @@ static int __init cf_check parse_spec_ctrl(const char *s)
opt_l1d_flush = 0;
opt_branch_harden = false;
opt_srb_lock = 0;
+ opt_unpriv_mmio = false;
}
else if ( val > 0 )
rc = -EINVAL;
--
2.11.0
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