From: Jan Beulich Date: Fri, 20 Nov 2020 07:28:27 +0000 (+0100) Subject: SVM: avoid UB in intercept mask definitions X-Git-Tag: archive/raspbian/4.16.0+51-g0941d6cb-1+rpi1~2^2~42^2~1396 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=dee7d981b99435b6c37126821af7826bd9a9d36c;p=xen.git 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 Acked-by: Andrew Cooper --- 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