e1bda8b1d47da ("core: Add hypercall to write to debug console)
introduced debug output for inmates through the hypervisor via
hypercalls.Add corresponding documentation by shamelessly copying text from the commit message. Signed-off-by: Ralf Ramsauer <[email protected]> --- Documentation/debug-output.md | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/debug-output.md b/Documentation/debug-output.md index 8a1ab09681..d68ed5cb35 100644 --- a/Documentation/debug-output.md +++ b/Documentation/debug-output.md @@ -103,7 +103,12 @@ their output driver according to their settings in mach/debug.h. | con-clock_reg | Clock Register | | | | con-gate_nr | Clock Gate Nr | | | -All architectures support the empty con-type "none". +All architectures support the empty con-type "none" and "JAILHOUSE". The +"JAILHOUSE" console type uses the hypervisor's debug output via hypercalls. +Only invocations from cells which have the explicit permission via the +configuration flag JAILHOUSE_CELL_DEBUG_CONSOLE are executed. The default +remains off, and the administrator is expected to grant this permission only +temporarily while debugging a specific cell. Similar to the hypervisor configuration, a zero value for con-divider will skip initialisation of the UART interface. -- 2.11.0 -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
