Am Tue, 28 Feb 2017 10:19:49 +0100
schrieb Jan Kiszka <[email protected]>:

> On 2017-02-27 16:40, Henning Schild wrote:
> > We used to unmap the firmware image right after "jailhouse disable".
> > Change that and keep the firmware mapped until we exit the module or
> > restart jailhouse. This way we can look into the firmware that just
> > ran.
> > 
> > This will be used by later patches.
> > 
> > Signed-off-by: Henning Schild <[email protected]>
> > 
> > diff --git a/driver/main.c b/driver/main.c
> > --- a/driver/main.c
> > +++ b/driver/main.c
> > @@ -393,7 +393,9 @@  
> 
> Your git (or hg) is misconfigured, lacking -p for diffs. Makes review
> hard.

hg, thanks fixed.

> >  #ifdef JAILHOUSE_BORROW_ROOT_PT
> >     remap_addr = JAILHOUSE_BASE;
> >  #endif
> > -   /* Map physical memory region reserved for Jailhouse. */
> > +   /* Map physical memory region reserved for Jailhouse. And
> > unmap
> > +    * the old one if it is not the first "jailhouse enable"
> > */  
> 
> In the right order
> please describe. ;)
> 
> > +   jailhouse_firmware_free();
> >     hypervisor_mem = jailhouse_ioremap(hv_mem->phys_start,
> > remap_addr, hv_mem->size);
> >     if (!hypervisor_mem) {
> > @@ -608,8 +610,6 @@
> >  
> >     update_last_console();
> >  
> > -   jailhouse_firmware_free();
> > -
> >     jailhouse_cell_delete_root();
> >     jailhouse_enabled = false;
> >     module_put(THIS_MODULE);
> > @@ -832,6 +832,7 @@
> >     unregister_reboot_notifier(&jailhouse_shutdown_nb);
> >     misc_deregister(&jailhouse_misc_dev);
> >     jailhouse_sysfs_exit(jailhouse_dev);
> > +   jailhouse_firmware_free();
> >     jailhouse_pci_unregister();
> >     root_device_unregister(jailhouse_dev);
> >  }
> >   
> 
> Jan
> 

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