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xen-devel
[Xen-devel] RE: fix some bugs of WinPv driver WDM version
Applied. Thanks.
> -----Original Message-----
> From: Wayne Gong [mailto:wayne.gong@xxxxxxxxxx]
> Sent: Monday, 7 July 2008 16:27
> To: James Harper; Andy Grover; Yansu Li; xen-devel@xxxxxxxxxxxxxxxxxxx
> Cc: Kurt Hackel
> Subject: fix some bugs of WinPv driver WDM version
>
> Hello james,
>
> Since I don't have privilege to push WinPv driver code to Xen main
> upstream, I will send to a patch when push some change to our own
> repository every time.
> In this patch, fix the following bugs:
>
> 1. [XenHide] If we destroy a running vm and reboot it, the boot up
> information may larger than 200 bytes. So change the buffer length to
300.
> 2. [XenHide] Hide a qeme scsi device.
> 3. [XenPci] From xen 3.1.3 on, each vm can get 32 grant table frames.
In
> x86 platform, call an hypercall to query the max grant table frames.
Set
> NR_GRANT_FRAMES to in AMD64 platform since HYPERVISOR_grant_table_op
is
> not supported in AMD64 platform.
> 4. [XenVbd] Store each block device mode (read only or writable?) and
set
> MODE_DSP_WRITE_PROTECT in ModeSense header parameter. This can protect
> write operation to a read only block device. (*Note* : This approach
will
> be ineffective to a NTFS volume in Win2k.)
>
> Best regards,
> Wayne
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