Subject: [PATCH v24 0/9] arm64: add kdump support

From: [email-masked] (Marc Zyngier)
Date: Tue, 6 Sep 2016 17:42:00 +0100

On 06/09/16 17:15, Manish Jaggi wrote:
> 
>>> In my setup the GICD_CTRL[RWP] bit is not cleared in the
>>> crashkernels' distributor init function.
>>
>> Which instance is failing? The initial one (just after the initial
>> disable)? Or the one called from gic_dist_config()?
>>
> In crash kernel, when the GICD_CTRL is set to 0x0, RWP is not getting clear.
> And is never cleared for any subsequent writes.

That's weird. It means writes are still pending, and never drained. What
happens if you put a dsb(sy) in the wait_for_rwp() loop?

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...