lkml.org 
[lkml]   [2022]   [Jan]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
Subject[PATCH] x86: add additional EPT bit definitions
From
From: Michael Pratt <mpratt@google.com>

Used in gvisor for EPT support.

Tested: Builds cleanly
Signed-off-by: Ayush Ranjan <ayushranjan@google.com>
Signed-off-by: Michael Pratt <mpratt@google.com>
---
arch/x86/include/asm/vmx.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index 0ffaa3156a4e..c77ad687cdf7 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -496,7 +496,9 @@ enum vmcs_field {
#define VMX_EPT_WRITABLE_MASK 0x2ull
#define VMX_EPT_EXECUTABLE_MASK 0x4ull
#define VMX_EPT_IPAT_BIT (1ull << 6)
-#define VMX_EPT_ACCESS_BIT (1ull << 8)
+#define VMX_EPT_PSE_BIT (1ull << 7)
+#define VMX_EPT_ACCESS_SHIFT 8
+#define VMX_EPT_ACCESS_BIT (1ull << VMX_EPT_ACCESS_SHIFT)
#define VMX_EPT_DIRTY_BIT (1ull << 9)
#define VMX_EPT_RWX_MASK (VMX_EPT_READABLE_MASK | \
VMX_EPT_WRITABLE_MASK | \
--
2.35.0.rc0.227.g00780c9af4-goog
\
 
 \ /
  Last update: 2022-01-23 20:55    [W:0.093 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site