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hyperv-fixes-4.20-rc6 

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Merge tag 'hyperv-fixes-4.20-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux into char-misc-linus

Sasha writes:

hyperv-fixes-4.20-rc6

* tag 'hyperv-fixes-4.20-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels
  x86, hyperv: remove PCI dependency
This commit is contained in:
Greg Kroah-Hartman 2018-12-14 15:36:56 +01:00
parent cb4f131e1f fc96df16a1
commit 55449af1a1
2 changed files with 21 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/hv/Kconfig
View File

@ -4,7 +4,7 @@ menu "Microsoft Hyper-V guest support"
config HYPERV
tristate "Microsoft Hyper-V client drivers"
depends on X86 && ACPI && PCI && X86_LOCAL_APIC && HYPERVISOR_GUEST
depends on X86 && ACPI && X86_LOCAL_APIC && HYPERVISOR_GUEST
select PARAVIRT
help
Select this option to run Linux as a Hyper-V client operating

20
drivers/hv/vmbus_drv.c
View File

@ -316,6 +316,8 @@ static ssize_t out_intr_mask_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.current_interrupt_mask);
}
@ -329,6 +331,8 @@ static ssize_t out_read_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.current_read_index);
}
@ -343,6 +347,8 @@ static ssize_t out_write_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.current_write_index);
}
@ -357,6 +363,8 @@ static ssize_t out_read_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.bytes_avail_toread);
}
@ -371,6 +379,8 @@ static ssize_t out_write_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.bytes_avail_towrite);
}
@ -384,6 +394,8 @@ static ssize_t in_intr_mask_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.current_interrupt_mask);
}
@ -397,6 +409,8 @@ static ssize_t in_read_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.current_read_index);
}
@ -410,6 +424,8 @@ static ssize_t in_write_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.current_write_index);
}
@ -424,6 +440,8 @@ static ssize_t in_read_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.bytes_avail_toread);
}
@ -438,6 +456,8 @@ static ssize_t in_write_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.bytes_avail_towrite);
}