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[PATCH] x86/EPT: drop "tm" field of EPT entry
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 30 Aug 2021 16:21:45 +0200
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- Cc: Kevin Tian <kevin.tian@xxxxxxxxx>, Jun Nakajima <jun.nakajima@xxxxxxxxx>
- Delivery-date: Mon, 30 Aug 2021 14:22:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
VT-d spec 3.2 converted this bit (back) to reserved. Since there's no
use of it anywhere in the tree, simply rename it and adjust its comment.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
--- a/xen/include/asm-x86/hvm/vmx/vmx.h
+++ b/xen/include/asm-x86/hvm/vmx/vmx.h
@@ -46,8 +46,7 @@ typedef union {
mfn : 40, /* bits 51:12 - Machine physical frame number */
sa_p2mt : 6, /* bits 57:52 - Software available 2 */
access : 4, /* bits 61:58 - p2m_access_t */
- tm : 1, /* bit 62 - VT-d transient-mapping hint in
- shared EPT/VT-d usage */
+ _rsvd : 1, /* bit 62 - reserved */
suppress_ve : 1; /* bit 63 - suppress #VE */
};
u64 epte;
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