Re: [Xen-devel] 2.6.30 dom0 Xen patches

[Jun Koi <junkoi2004@xxxxxxxxx>]

On Sat, Jul 18, 2009 at 6:14 AM, Boris Derzhavets<bderzhavets@xxxxxxxxx> wrote:
>   Seems to work nice Solaris 10 U7 (64-bit) HVM DomU  loads
> pretty fast  with PV drivers at Xen 3.4.1-rc7 Ubuntu 9.04 Dom0 with
> 2.6.30.1 xenified via rebased patch set V.3
>
>   I believe V.2 should be considered as deprecated due to recent message
> from Jan Beulich :-
>

So where to get the final perfect patch? I would like to try that with 3.4.1

Thanks,
J



>>>> Boris Derzhavets <bderzhavets@xxxxxxxxx> 17.07.09 14:57 >>>
>>Fix patch set before applying.
>
> The second hunk is at best bogus: arch_probe_nr_irqs() only gets
> referenced from a code section that's inside CONFIG_SPARSE_IRQ, and
> when that option is selected, you'll have a duplicate symbol definition
> issue between the arch_probe_nr_irqs() in arch/x86/kernel/apic/io_apic.c
> and the one in drivers/xen/core/evtchn.c. Additionally, simply enabling
> the function in arch/x86/kernel/apic/io_apic.c does not do, as it may
> leave you with insufficient space for dynamic IRQs (which is why I
> cloned it into a properly working function in drivers/xen/core/evtchn.c).
>
> Jan
>
> --- On Fri, 7/17/09, Andrew Lyon <andrew.lyon@xxxxxxxxx> wrote:
>
> From: Andrew Lyon <andrew.lyon@xxxxxxxxx>
> Subject: Re: [Xen-devel] 2.6.30 dom0 Xen patches
> To: "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
> Cc: "Jan Beulich" <JBeulich@xxxxxxxxxx>
> Date: Friday, July 17, 2009, 2:11 PM
>
>> As I don't expect to get the stuff I have pushed out before our tree gets
>> switched to 2.6.31-rc, I'll attach the whole patch set as it is after
>> fixing the
>> !ia32-emulation problem you pointed out.
>
> I have rebased the 2.6.30 Xen patches
> (xen-patches-2.6.30-20090703.tb2) that Jan Beulich was kind enough to
> send to me before openSUSE switch their tree to 2.6.31-git etc, the
> new files are available at
> http://code.google.com/p/gentoo-xen-kernel/downloads/list
>
> xen-sources-2.6.30-r2.ebuild
> xen-patches-2.6.30-3.tar.bz2
>
> Non-Gentoo users can simply apply the patches to 2.6.30.1 in numeric order.
>
> As usual I did not include patches that are for backwards
> compatibility, suse specific features, experimental features (eg
> tmem), or that require patches to Xen itself.
>
> Note that James Harper's gplpv driver for networking (xennet.sys) does
> not work with 2.6.30, he has given me a patch which works around the
> problem but you will need to recompile the drivers yourself, the patch
> is:
>
> diff -r 36221c314d54 xennet/xennet_common.c
> --- a/xennet/xennet_common.c    Wed Jul 15 20:05:36 2009 +1000
> +++ b/xennet/xennet_common.c    Fri Jul 17 23:53:12 2009 +1000
> @@ -181,6 +181,12 @@
>       return PARSE_TOO_SMALL;
>           }
>             }
>             +
>             +  if ((ULONG)XN_HDR_SIZE + pi->ip4_length > pi->total_length)
>             +  {
>             +    KdPrint((__DRIVER_NAME "     XN_HDR_SIZE + ip4_length
> (%d) > total_length (%d)\n", XN_HDR_SIZE + pi->ip4_length,
> pi->total_length));
>             +    return PARSE_UNKNOWN_TYPE;
>             +  }
>
>               pi->tcp_length = pi->ip4_length - pi->ip4_header_length
> - pi->tcp_header_length;
>                 pi->tcp_remaining = pi->tcp_length;
>
>
> Andy
>
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>

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