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| author | Olaf Hering <olh@suse.de> | 2005-08-04 19:26:42 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-08-29 10:53:37 +1000 |
| commit | b13cfd173f73c3f6f9a307b7b6e64d45fbd756b2 (patch) | |
| tree | 47d9a6ab54c4b068e3300d026c4402c14f53d384 /arch/ppc64/xmon | |
| parent | bef5686229810709091fb6e505071f4aa41e3760 (diff) | |
| download | linux-stable-b13cfd173f73c3f6f9a307b7b6e64d45fbd756b2.tar.gz linux-stable-b13cfd173f73c3f6f9a307b7b6e64d45fbd756b2.tar.bz2 linux-stable-b13cfd173f73c3f6f9a307b7b6e64d45fbd756b2.zip | |
[PATCH] ppc64: allow xmon=off
If both CONFIG_XMON and CONFIG_XMON_DEFAULT is enabled in the .config,
there is no way to disable xmon again. setup_system calls first xmon_init,
later parse_early_param. So a new 'xmon=off' cmdline option will do the right
thing.
Signed-off-by: Olaf Hering <olh@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc64/xmon')
| -rw-r--r-- | arch/ppc64/xmon/start.c | 2 | ||||
| -rw-r--r-- | arch/ppc64/xmon/xmon.c | 28 |
2 files changed, 20 insertions, 10 deletions
diff --git a/arch/ppc64/xmon/start.c b/arch/ppc64/xmon/start.c index a9265bcc79b2..f86b584acd76 100644 --- a/arch/ppc64/xmon/start.c +++ b/arch/ppc64/xmon/start.c @@ -27,7 +27,7 @@ static void sysrq_handle_xmon(int key, struct pt_regs *pt_regs, struct tty_struct *tty) { /* ensure xmon is enabled */ - xmon_init(); + xmon_init(1); debugger(pt_regs); } diff --git a/arch/ppc64/xmon/xmon.c b/arch/ppc64/xmon/xmon.c index 05539439e6bc..45908b10acd3 100644 --- a/arch/ppc64/xmon/xmon.c +++ b/arch/ppc64/xmon/xmon.c @@ -2496,15 +2496,25 @@ static void dump_stab(void) } } -void xmon_init(void) -{ - __debugger = xmon; - __debugger_ipi = xmon_ipi; - __debugger_bpt = xmon_bpt; - __debugger_sstep = xmon_sstep; - __debugger_iabr_match = xmon_iabr_match; - __debugger_dabr_match = xmon_dabr_match; - __debugger_fault_handler = xmon_fault_handler; +void xmon_init(int enable) +{ + if (enable) { + __debugger = xmon; + __debugger_ipi = xmon_ipi; + __debugger_bpt = xmon_bpt; + __debugger_sstep = xmon_sstep; + __debugger_iabr_match = xmon_iabr_match; + __debugger_dabr_match = xmon_dabr_match; + __debugger_fault_handler = xmon_fault_handler; + } else { + __debugger = NULL; + __debugger_ipi = NULL; + __debugger_bpt = NULL; + __debugger_sstep = NULL; + __debugger_iabr_match = NULL; + __debugger_dabr_match = NULL; + __debugger_fault_handler = NULL; + } } void dump_segments(void) |