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-rw-r--r--drivers/misc/kgdbts.c8
-rw-r--r--include/linux/timekeeping.h1
-rw-r--r--kernel/debug/kdb/kdb_bp.c4
-rw-r--r--kernel/debug/kdb/kdb_main.c89
-rw-r--r--kernel/debug/kdb/kdb_support.c4
-rw-r--r--kernel/time/timekeeping_internal.h2
6 files changed, 51 insertions, 57 deletions
diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index 24108bf..6193270 100644
--- a/drivers/misc/kgdbts.c
+++ b/drivers/misc/kgdbts.c
@@ -400,10 +400,14 @@ static void skip_back_repeat_test(char *arg)
int go_back = simple_strtol(arg, NULL, 10);
repeat_test--;
- if (repeat_test <= 0)
+ if (repeat_test <= 0) {
ts.idx++;
- else
+ } else {
+ if (repeat_test % 100 == 0)
+ v1printk("kgdbts:RUN ... %d remaining\n", repeat_test);
+
ts.idx -= go_back;
+ }
fill_get_buf(ts.tst[ts.idx].get);
}
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 82c219d..9737fbe 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -31,6 +31,7 @@ struct timespec64 get_monotonic_coarse64(void);
extern void getrawmonotonic64(struct timespec64 *ts);
extern void ktime_get_ts64(struct timespec64 *ts);
extern time64_t ktime_get_seconds(void);
+extern time64_t __ktime_get_real_seconds(void);
extern time64_t ktime_get_real_seconds(void);
extern void ktime_get_active_ts64(struct timespec64 *ts);
diff --git a/kernel/debug/kdb/kdb_bp.c b/kernel/debug/kdb/kdb_bp.c
index 90ff129..62c301a 100644
--- a/kernel/debug/kdb/kdb_bp.c
+++ b/kernel/debug/kdb/kdb_bp.c
@@ -242,11 +242,11 @@ static void kdb_printbp(kdb_bp_t *bp, int i)
kdb_symbol_print(bp->bp_addr, NULL, KDB_SP_DEFAULT);
if (bp->bp_enabled)
- kdb_printf("\n is enabled");
+ kdb_printf("\n is enabled ");
else
kdb_printf("\n is disabled");
- kdb_printf("\taddr at %016lx, hardtype=%d installed=%d\n",
+ kdb_printf(" addr at %016lx, hardtype=%d installed=%d\n",
bp->bp_addr, bp->bp_type, bp->bp_installed);
kdb_printf("\n");
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index dbb0781..e405677 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1150,6 +1150,16 @@ void kdb_set_current_task(struct task_struct *p)
kdb_current_regs = NULL;
}
+static void drop_newline(char *buf)
+{
+ size_t len = strlen(buf);
+
+ if (len == 0)
+ return;
+ if (*(buf + len - 1) == '\n')
+ *(buf + len - 1) = '\0';
+}
+
/*
* kdb_local - The main code for kdb. This routine is invoked on a
* specific processor, it is not global. The main kdb() routine
@@ -1327,6 +1337,7 @@ do_full_getstr:
cmdptr = cmd_head;
diag = kdb_parse(cmdbuf);
if (diag == KDB_NOTFOUND) {
+ drop_newline(cmdbuf);
kdb_printf("Unknown kdb command: '%s'\n", cmdbuf);
diag = 0;
}
@@ -1566,6 +1577,7 @@ static int kdb_md(int argc, const char **argv)
int symbolic = 0;
int valid = 0;
int phys = 0;
+ int raw = 0;
kdbgetintenv("MDCOUNT", &mdcount);
kdbgetintenv("RADIX", &radix);
@@ -1575,9 +1587,10 @@ static int kdb_md(int argc, const char **argv)
repeat = mdcount * 16 / bytesperword;
if (strcmp(argv[0], "mdr") == 0) {
- if (argc != 2)
+ if (argc == 2 || (argc == 0 && last_addr != 0))
+ valid = raw = 1;
+ else
return KDB_ARGCOUNT;
- valid = 1;
} else if (isdigit(argv[0][2])) {
bytesperword = (int)(argv[0][2] - '0');
if (bytesperword == 0) {
@@ -1613,7 +1626,10 @@ static int kdb_md(int argc, const char **argv)
radix = last_radix;
bytesperword = last_bytesperword;
repeat = last_repeat;
- mdcount = ((repeat * bytesperword) + 15) / 16;
+ if (raw)
+ mdcount = repeat;
+ else
+ mdcount = ((repeat * bytesperword) + 15) / 16;
}
if (argc) {
@@ -1630,7 +1646,10 @@ static int kdb_md(int argc, const char **argv)
diag = kdbgetularg(argv[nextarg], &val);
if (!diag) {
mdcount = (int) val;
- repeat = mdcount * 16 / bytesperword;
+ if (raw)
+ repeat = mdcount;
+ else
+ repeat = mdcount * 16 / bytesperword;
}
}
if (argc >= nextarg+1) {
@@ -1640,8 +1659,15 @@ static int kdb_md(int argc, const char **argv)
}
}
- if (strcmp(argv[0], "mdr") == 0)
- return kdb_mdr(addr, mdcount);
+ if (strcmp(argv[0], "mdr") == 0) {
+ int ret;
+ last_addr = addr;
+ ret = kdb_mdr(addr, mdcount);
+ last_addr += mdcount;
+ last_repeat = mdcount;
+ last_bytesperword = bytesperword; // to make REPEAT happy
+ return ret;
+ }
switch (radix) {
case 10:
@@ -2473,41 +2499,6 @@ static int kdb_kill(int argc, const char **argv)
return 0;
}
-struct kdb_tm {
- int tm_sec; /* seconds */
- int tm_min; /* minutes */
- int tm_hour; /* hours */
- int tm_mday; /* day of the month */
- int tm_mon; /* month */
- int tm_year; /* year */
-};
-
-static void kdb_gmtime(struct timespec *tv, struct kdb_tm *tm)
-{
- /* This will work from 1970-2099, 2100 is not a leap year */
- static int mon_day[] = { 31, 29, 31, 30, 31, 30, 31,
- 31, 30, 31, 30, 31 };
- memset(tm, 0, sizeof(*tm));
- tm->tm_sec = tv->tv_sec % (24 * 60 * 60);
- tm->tm_mday = tv->tv_sec / (24 * 60 * 60) +
- (2 * 365 + 1); /* shift base from 1970 to 1968 */
- tm->tm_min = tm->tm_sec / 60 % 60;
- tm->tm_hour = tm->tm_sec / 60 / 60;
- tm->tm_sec = tm->tm_sec % 60;
- tm->tm_year = 68 + 4*(tm->tm_mday / (4*365+1));
- tm->tm_mday %= (4*365+1);
- mon_day[1] = 29;
- while (tm->tm_mday >= mon_day[tm->tm_mon]) {
- tm->tm_mday -= mon_day[tm->tm_mon];
- if (++tm->tm_mon == 12) {
- tm->tm_mon = 0;
- ++tm->tm_year;
- mon_day[1] = 28;
- }
- }
- ++tm->tm_mday;
-}
-
/*
* Most of this code has been lifted from kernel/timer.c::sys_sysinfo().
* I cannot call that code directly from kdb, it has an unconditional
@@ -2515,10 +2506,10 @@ static void kdb_gmtime(struct timespec *tv, struct kdb_tm *tm)
*/
static void kdb_sysinfo(struct sysinfo *val)
{
- struct timespec uptime;
- ktime_get_ts(&uptime);
+ u64 uptime = ktime_get_mono_fast_ns();
+
memset(val, 0, sizeof(*val));
- val->uptime = uptime.tv_sec;
+ val->uptime = div_u64(uptime, NSEC_PER_SEC);
val->loads[0] = avenrun[0];
val->loads[1] = avenrun[1];
val->loads[2] = avenrun[2];
@@ -2533,8 +2524,8 @@ static void kdb_sysinfo(struct sysinfo *val)
*/
static int kdb_summary(int argc, const char **argv)
{
- struct timespec now;
- struct kdb_tm tm;
+ time64_t now;
+ struct tm tm;
struct sysinfo val;
if (argc)
@@ -2548,9 +2539,9 @@ static int kdb_summary(int argc, const char **argv)
kdb_printf("domainname %s\n", init_uts_ns.name.domainname);
kdb_printf("ccversion %s\n", __stringify(CCVERSION));
- now = __current_kernel_time();
- kdb_gmtime(&now, &tm);
- kdb_printf("date %04d-%02d-%02d %02d:%02d:%02d "
+ now = __ktime_get_real_seconds();
+ time64_to_tm(now, 0, &tm);
+ kdb_printf("date %04ld-%02d-%02d %02d:%02d:%02d "
"tz_minuteswest %d\n",
1900+tm.tm_year, tm.tm_mon+1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec,
diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c
index d35cc2d..990b3cc 100644
--- a/kernel/debug/kdb/kdb_support.c
+++ b/kernel/debug/kdb/kdb_support.c
@@ -129,13 +129,13 @@ int kdbnearsym(unsigned long addr, kdb_symtab_t *symtab)
}
if (i >= ARRAY_SIZE(kdb_name_table)) {
debug_kfree(kdb_name_table[0]);
- memcpy(kdb_name_table, kdb_name_table+1,
+ memmove(kdb_name_table, kdb_name_table+1,
sizeof(kdb_name_table[0]) *
(ARRAY_SIZE(kdb_name_table)-1));
} else {
debug_kfree(knt1);
knt1 = kdb_name_table[i];
- memcpy(kdb_name_table+i, kdb_name_table+i+1,
+ memmove(kdb_name_table+i, kdb_name_table+i+1,
sizeof(kdb_name_table[0]) *
(ARRAY_SIZE(kdb_name_table)-i-1));
}
diff --git a/kernel/time/timekeeping_internal.h b/kernel/time/timekeeping_internal.h
index fdbeeb0..cf5c082 100644
--- a/kernel/time/timekeeping_internal.h
+++ b/kernel/time/timekeeping_internal.h
@@ -31,6 +31,4 @@ static inline u64 clocksource_delta(u64 now, u64 last, u64 mask)
}
#endif
-extern time64_t __ktime_get_real_seconds(void);
-
#endif /* _TIMEKEEPING_INTERNAL_H */
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