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authorThomas Gleixner <tglx@linutronix.de>2018-07-19 23:11:52 +0200
committerThomas Gleixner <tglx@linutronix.de>2018-07-19 23:11:52 +0200
commit73ab603f44149ff48889d5109ea9ab64bf38cc69 (patch)
tree9550d8fb31ddf6dffedf1f602ed44769e529c1d3 /arch/x86/include/asm/mshyperv.h
parent41afb1dfad4d6af0c716746f6a15f3230482955c (diff)
parentfb7d1bcf1602b46f37ada72178516c01a250e434 (diff)
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Merge branch 'linus' into x86/timers
Pick up upstream changes to avoid conflicts
Diffstat (limited to 'arch/x86/include/asm/mshyperv.h')
-rw-r--r--arch/x86/include/asm/mshyperv.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 3cd14311edfa..5a7375ed5f7c 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -9,6 +9,8 @@
#include <asm/hyperv-tlfs.h>
#include <asm/nospec-branch.h>
+#define VP_INVAL U32_MAX
+
struct ms_hyperv_info {
u32 features;
u32 misc_features;
@@ -20,7 +22,6 @@ struct ms_hyperv_info {
extern struct ms_hyperv_info ms_hyperv;
-
/*
* Generate the guest ID.
*/
@@ -281,6 +282,8 @@ static inline int cpumask_to_vpset(struct hv_vpset *vpset,
*/
for_each_cpu(cpu, cpus) {
vcpu = hv_cpu_number_to_vp_number(cpu);
+ if (vcpu == VP_INVAL)
+ return -1;
vcpu_bank = vcpu / 64;
vcpu_offset = vcpu % 64;
__set_bit(vcpu_offset, (unsigned long *)