diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/debug/debug_core.c | 5 | ||||
| -rw-r--r-- | kernel/debug/debug_core.h | 2 | ||||
| -rw-r--r-- | kernel/hung_task.c | 6 | ||||
| -rw-r--r-- | kernel/sysctl.c | 7 |
4 files changed, 12 insertions, 8 deletions
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c index 7d2f35e5df2f..334b3980ffc1 100644 --- a/kernel/debug/debug_core.c +++ b/kernel/debug/debug_core.c @@ -736,7 +736,8 @@ int kgdb_nmicallback(int cpu, void *regs) return 1; } -int kgdb_nmicallin(int cpu, int trapnr, void *regs, atomic_t *send_ready) +int kgdb_nmicallin(int cpu, int trapnr, void *regs, int err_code, + atomic_t *send_ready) { #ifdef CONFIG_SMP if (!kgdb_io_ready(0) || !send_ready) @@ -750,7 +751,7 @@ int kgdb_nmicallin(int cpu, int trapnr, void *regs, atomic_t *send_ready) ks->cpu = cpu; ks->ex_vector = trapnr; ks->signo = SIGTRAP; - ks->err_code = KGDB_KDB_REASON_SYSTEM_NMI; + ks->err_code = err_code; ks->linux_regs = regs; ks->send_ready = send_ready; kgdb_cpu_enter(ks, regs, DCPU_WANT_MASTER); diff --git a/kernel/debug/debug_core.h b/kernel/debug/debug_core.h index 572aa4f5677c..127d9bc49fb4 100644 --- a/kernel/debug/debug_core.h +++ b/kernel/debug/debug_core.h @@ -75,13 +75,11 @@ extern int kdb_stub(struct kgdb_state *ks); extern int kdb_parse(const char *cmdstr); extern int kdb_common_init_state(struct kgdb_state *ks); extern int kdb_common_deinit_state(void); -#define KGDB_KDB_REASON_SYSTEM_NMI KDB_REASON_SYSTEM_NMI #else /* ! CONFIG_KGDB_KDB */ static inline int kdb_stub(struct kgdb_state *ks) { return DBG_PASS_EVENT; } -#define KGDB_KDB_REASON_SYSTEM_NMI 0 #endif /* CONFIG_KGDB_KDB */ #endif /* _DEBUG_CORE_H_ */ diff --git a/kernel/hung_task.c b/kernel/hung_task.c index 9328b80eaf14..0b9c169d577f 100644 --- a/kernel/hung_task.c +++ b/kernel/hung_task.c @@ -37,7 +37,7 @@ int __read_mostly sysctl_hung_task_check_count = PID_MAX_LIMIT; */ unsigned long __read_mostly sysctl_hung_task_timeout_secs = CONFIG_DEFAULT_HUNG_TASK_TIMEOUT; -unsigned long __read_mostly sysctl_hung_task_warnings = 10; +int __read_mostly sysctl_hung_task_warnings = 10; static int __read_mostly did_panic; @@ -98,7 +98,9 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout) if (!sysctl_hung_task_warnings) return; - sysctl_hung_task_warnings--; + + if (sysctl_hung_task_warnings > 0) + sysctl_hung_task_warnings--; /* * Ok, the task did not get scheduled for more than 2 minutes, diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 096db7452cbd..49e13e1f8fe6 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -121,6 +121,8 @@ extern int blk_iopoll_enabled; static int sixty = 60; #endif +static int __maybe_unused neg_one = -1; + static int zero; static int __maybe_unused one = 1; static int __maybe_unused two = 2; @@ -997,9 +999,10 @@ static struct ctl_table kern_table[] = { { .procname = "hung_task_warnings", .data = &sysctl_hung_task_warnings, - .maxlen = sizeof(unsigned long), + .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_doulongvec_minmax, + .proc_handler = proc_dointvec_minmax, + .extra1 = &neg_one, }, #endif #ifdef CONFIG_COMPAT |