diff options
| author | Jan Beulich <jbeulich@suse.com> | 2020-11-20 08:28:11 +0100 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2020-11-20 08:28:11 +0100 |
| commit | bebb49125fd305ae7814d7d4fcc05a85cc2a21e0 (patch) | |
| tree | f606ad8c00f73374d5e3104ffde6e3554873a908 /xen | |
| parent | 318a9175d5b145ab5b6a1f26b8312a88f9fb4d94 (diff) | |
x86/nmi: avoid UB for P4-era watchdogs
Found by looking for patterns similar to the one Julien did spot in
pci_vtd_quirks().
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
Diffstat (limited to 'xen')
| -rw-r--r-- | xen/arch/x86/nmi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xen/arch/x86/nmi.c b/xen/arch/x86/nmi.c index 014524486f..ab94a96c4d 100644 --- a/xen/arch/x86/nmi.c +++ b/xen/arch/x86/nmi.c @@ -132,7 +132,7 @@ int nmi_active; #define P4_ESCR_EVENT_SELECT(N) ((N)<<25) #define P4_CCCR_OVF_PMI0 (1<<26) #define P4_CCCR_OVF_PMI1 (1<<27) -#define P4_CCCR_OVF (1<<31) +#define P4_CCCR_OVF (1u << 31) #define P4_CCCR_THRESHOLD(N) ((N)<<20) #define P4_CCCR_COMPLEMENT (1<<19) #define P4_CCCR_COMPARE (1<<18) |