[PATCH v12 08/16] arm64/kexec: Add core kexec support
panand at redhat.com
Tue Dec 15 23:18:04 PST 2015
On 15/12/2015:04:14:30 PM, Geoff Levand wrote:
> On Tue, 2015-12-15 at 18:29 +0000, Will Deacon wrote:
> > > +> > > > * Copy arm64_relocate_new_kernel to the reboot_code_buffer for use
> > > +> > > > * after the kernel is shut down.
> > > +> > > > */
> > > +> > > > memcpy(reboot_code_buffer, arm64_relocate_new_kernel,
> > > +> > > > > > arm64_relocate_new_kernel_size);
> > At which point does the I-cache get invalidated for this?
> I'll add a call to flush_icache_range() for reboot_code_buffer. I
> think that should do it.
We execute arm64_relocate_new_kernel() code with I-cache disabled. So, do we
really need to invalidate I-cache?
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