Subject: [PATCH 08/16] arm64/kexec: Add core kexec support

From: [email-masked] (Pratyush Anand)
Date: Fri, 23 Oct 2015 12:59:50 +0530

On 20/10/2015:10:19:25 AM, Geoff Levand wrote:
> Hi,
> 
> On Tue, 2015-10-20 at 14:26 +0530, Pratyush Anand wrote:
> > On 19/10/2015:11:38:53 PM, Geoff Levand wrote:
> > > +static void soft_restart(unsigned long addr)
> > > +{
> > > +> > 	> > setup_mm_for_reboot();
> > > +> > 	> > cpu_soft_restart(virt_to_phys(cpu_reset), addr,
> > > +> > 	> > 	> > is_hyp_mode_available());
> > 
> > So now we do not flush cache for any memory region. Shouldn't we still flush
> > at least kernel and purgatory segments. 
> 
> Relevant pages of the kexec list are flushed in the code following the comment
> 'Invalidate dest page to PoC' of the arm64_relocate_new_kernel routine:
> 
>  The dcache is turned off
>  The page is invalidated to PoC
>  The new page is written

Thanks for clarifying it.

I tested your kexec-v10.2 with mustang.

Tested-by: Pratyush Anand <[email-masked]>