Re: [Xen-devel] [PATCH] xen: arm: X-Gene Storm check GIC DIST address for EOI quirk

[Christoffer Dall <christoffer.dall@xxxxxxxxxx>]

Hi Pranav,

On Mon, Apr 06, 2015 at 02:24:01PM +0530, Pranavkumar Sawargaonkar wrote:
> In old X-Gene Storm firmware and DT, secure mode addresses have been
> mentioned in GICv2 node. In this case maintenance interrupt is used
> instead of EOI HW method.
> 
> This patch checks the GIC Distributor Base Address to enable EOI quirk
> for old firmware.
> 
> Ref:
> http://lists.xen.org/archives/html/xen-devel/2014-07/msg01263.html
> 
> Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@xxxxxxxxxx>

I have tested this on the m400 cluster and can confirm that it prevents
the issue with ab trashing the machine:

Tested-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>

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