diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2007-11-14 23:15:08 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2007-11-14 23:15:08 +0000 |
| commit | 9c5b472170b595834279af8e026480e31a29c6e1 (patch) | |
| tree | 6e70f3a06442b10f2dae573f82ccd4e17d6dcf31 /sys/arch/m88k | |
| parent | 0b1934a687cb1171e0301196758c6c296bdedd18 (diff) | |
Cache curcpu() value into a local variable when it is used more than once in
a function, so that it does not get reloaded from cr17 every time.
Diffstat (limited to 'sys/arch/m88k')
| -rw-r--r-- | sys/arch/m88k/m88k/db_interface.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sys/arch/m88k/m88k/db_interface.c b/sys/arch/m88k/m88k/db_interface.c index 7db78c45ae3..03b7f6309b6 100644 --- a/sys/arch/m88k/m88k/db_interface.c +++ b/sys/arch/m88k/m88k/db_interface.c @@ -1,4 +1,4 @@ -/* $OpenBSD: db_interface.c,v 1.10 2007/11/14 23:12:46 miod Exp $ */ +/* $OpenBSD: db_interface.c,v 1.11 2007/11/14 23:15:03 miod Exp $ */ /* * Mach Operating System * Copyright (c) 1993-1991 Carnegie Mellon University @@ -389,8 +389,9 @@ m88k_db_trap(type, frame) int type; struct trapframe *frame; { - if (get_psr() & PSR_IND) - db_printf("WARNING: entered debugger with interrupts disabled\n"); +#ifdef MULTIPROCESSOR + struct cpu_info *ci = curcpu(); +#endif switch(type) { case T_KDB_BREAK: @@ -408,9 +409,9 @@ m88k_db_trap(type, frame) } #ifdef MULTIPROCESSOR - curcpu()->ci_ddb_state = CI_DDB_ENTERDDB; + ci->ci_ddb_state = CI_DDB_ENTERDDB; __mp_lock(&ddb_mp_lock); - curcpu()->ci_ddb_state = CI_DDB_INDDB; + ci->ci_ddb_state = CI_DDB_INDDB; ddb_mp_nextcpu = (cpuid_t)-1; m88k_broadcast_ipi(CI_IPI_DDB); /* pause other processors */ #endif @@ -424,7 +425,7 @@ m88k_db_trap(type, frame) frame->tf_regs = ddb_regs; #ifdef MULTIPROCESSOR - curcpu()->ci_ddb_state = CI_DDB_RUNNING; + ci->ci_ddb_state = CI_DDB_RUNNING; __mp_release_all(&ddb_mp_lock); #endif } |