Re: [PATCH v3] powerpc/xmon: add read-only mode

2019-04-15 Thread Andrew Donnellan
On 15/4/19 10:19 am, Christopher M. Riedl wrote: Operations which write to memory and special purpose registers should be restricted on systems with integrity guarantees (such as Secure Boot) and, optionally, to avoid self-destructive behaviors. Add a config option, XMON_DEFAULT_RO_MODE, to set

Re: [PATCH v3] powerpc/xmon: add read-only mode

2019-04-14 Thread Oliver
On Mon, Apr 15, 2019 at 10:17 AM Christopher M. Riedl wrote: > > Operations which write to memory and special purpose registers should be > restricted on systems with integrity guarantees (such as Secure Boot) > and, optionally, to avoid self-destructive behaviors. > > Add a config option, XMON_DE

[PATCH v3] powerpc/xmon: add read-only mode

2019-04-14 Thread Christopher M. Riedl
Operations which write to memory and special purpose registers should be restricted on systems with integrity guarantees (such as Secure Boot) and, optionally, to avoid self-destructive behaviors. Add a config option, XMON_DEFAULT_RO_MODE, to set default xmon behavior. The kernel cmdline options x