Re: [PATCH v2 1/3] hvc_xen: add earlycon support

2016-02-25 Thread Boris Ostrovsky
On 02/25/2016 07:10 AM, Stefano Stabellini wrote: Introduce EARLYCON support in hvc_xen, useful for early debugging on arm and arm64, where xen early_printk is not available. It is different from xenboot_write_console on x86 in two ways: - it does not return if !xen_pv_domain(), not only becaus

[PATCH v2 1/3] hvc_xen: add earlycon support

2016-02-25 Thread Stefano Stabellini
Introduce EARLYCON support in hvc_xen, useful for early debugging on arm and arm64, where xen early_printk is not available. It is different from xenboot_write_console on x86 in two ways: - it does not return if !xen_pv_domain(), not only because ARM guests are xen_hvm_domain(), but also becaus