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| author | Thomas Gleixner <tglx@linutronix.de> | 2018-07-06 13:35:56 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-07-06 13:35:56 +0300 |
| commit | 8f63e9230decb06ea9068feaf0845c0eb39ab890 (patch) | |
| tree | a45cee821404ab0c7f7164e20c2f40f5e34ac16b /arch/x86/include/asm/mshyperv.h | |
| parent | 58ec5e9c9044bd7e1c0bcc6ad822b2e909f49732 (diff) | |
| parent | 1268ed0c474a5c8f165ef386f3310521b5e00e27 (diff) | |
| download | linux-8f63e9230decb06ea9068feaf0845c0eb39ab890.tar.xz | |
Merge branch 'x86/urgent' into x86/hyperv
Integrate the upstream bug fix to resolve the resulting conflict in
__send_ipi_mask().
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/include/asm/mshyperv.h')
| -rw-r--r-- | arch/x86/include/asm/mshyperv.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index da25642940d3..19886fef1dfc 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. */ @@ -315,6 +316,8 @@ 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 *) |