[xen staging] SVM: avoid UB in intercept mask definitions

[patchbot@xxxxxxx]

commit dee7d981b99435b6c37126821af7826bd9a9d36c
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Fri Nov 20 08:28:27 2020 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Nov 20 08:28:27 2020 +0100

    SVM: avoid UB in intercept mask definitions
    
    Found by looking for patterns similar to the one Julien did spot in
    pci_vtd_quirks().
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/include/asm-x86/hvm/svm/vmcb.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/xen/include/asm-x86/hvm/svm/vmcb.h 
b/xen/include/asm-x86/hvm/svm/vmcb.h
index c4fda389b3..0b03a8f076 100644
--- a/xen/include/asm-x86/hvm/svm/vmcb.h
+++ b/xen/include/asm-x86/hvm/svm/vmcb.h
@@ -55,7 +55,7 @@ enum GenericIntercept1bits
     GENERAL1_INTERCEPT_MSR_PROT      = 1 << 28,
     GENERAL1_INTERCEPT_TASK_SWITCH   = 1 << 29,
     GENERAL1_INTERCEPT_FERR_FREEZE   = 1 << 30,
-    GENERAL1_INTERCEPT_SHUTDOWN_EVT  = 1 << 31
+    GENERAL1_INTERCEPT_SHUTDOWN_EVT  = 1u << 31
 };
 
 /* general 2 intercepts */
@@ -112,7 +112,7 @@ enum CRInterceptBits
     CR_INTERCEPT_CR12_WRITE = 1 << 28,
     CR_INTERCEPT_CR13_WRITE = 1 << 29,
     CR_INTERCEPT_CR14_WRITE = 1 << 30,
-    CR_INTERCEPT_CR15_WRITE = 1 << 31,
+    CR_INTERCEPT_CR15_WRITE = 1u << 31,
 };
 
 
@@ -150,7 +150,7 @@ enum DRInterceptBits
     DR_INTERCEPT_DR12_WRITE = 1 << 28,
     DR_INTERCEPT_DR13_WRITE = 1 << 29,
     DR_INTERCEPT_DR14_WRITE = 1 << 30,
-    DR_INTERCEPT_DR15_WRITE = 1 << 31,
+    DR_INTERCEPT_DR15_WRITE = 1u << 31,
 };
 
 enum VMEXIT_EXITCODE
--
generated by git-patchbot for /home/xen/git/xen.git#staging