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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 19:47:50 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 19:47:50 -0700 |
commit | 56847d857cb0c3ee78c22ce776a26f88d9ffd4d4 (patch) | |
tree | a85bcf204a53e45d26f6a3984f16ddd525eef3e7 /kernel | |
parent | 191a712090bb8a10e6f129360eeed2d68f3d4c9a (diff) | |
parent | 8d564368a9a3197f43e56dadf4a18c5738849f94 (diff) | |
download | linux-56847d857cb0c3ee78c22ce776a26f88d9ffd4d4.tar.bz2 |
Merge branch 'akpm' (incoming from Andrew)
Merge second batch of fixes from Andrew Morton:
- various misc bits
- some printk updates
- a new "SRAM" driver.
- MAINTAINERS updates
- the backlight driver queue
- checkpatch updates
- a few init/ changes
- a huge number of drivers/rtc changes
- fatfs updates
- some lib/idr.c work
- some renaming of the random driver interfaces
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (285 commits)
net: rename random32 to prandom
net/core: remove duplicate statements by do-while loop
net/core: rename random32() to prandom_u32()
net/netfilter: rename random32() to prandom_u32()
net/sched: rename random32() to prandom_u32()
net/sunrpc: rename random32() to prandom_u32()
scsi: rename random32() to prandom_u32()
lguest: rename random32() to prandom_u32()
uwb: rename random32() to prandom_u32()
video/uvesafb: rename random32() to prandom_u32()
mmc: rename random32() to prandom_u32()
drbd: rename random32() to prandom_u32()
kernel/: rename random32() to prandom_u32()
mm/: rename random32() to prandom_u32()
lib/: rename random32() to prandom_u32()
x86: rename random32() to prandom_u32()
x86: pageattr-test: remove srandom32 call
uuid: use prandom_bytes()
raid6test: use prandom_bytes()
sctp: convert sctp_assoc_set_id() to use idr_alloc_cyclic()
...
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/printk.c | 35 | ||||
-rw-r--r-- | kernel/rcutree.c | 2 | ||||
-rw-r--r-- | kernel/test_kprobes.c | 2 |
3 files changed, 28 insertions, 11 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index abbdd9e2ac82..376914e2869d 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -49,13 +49,6 @@ #define CREATE_TRACE_POINTS #include <trace/events/printk.h> -/* - * Architectures can override it: - */ -void asmlinkage __attribute__((weak)) early_printk(const char *fmt, ...) -{ -} - /* printk's without a loglevel use this.. */ #define DEFAULT_MESSAGE_LOGLEVEL CONFIG_DEFAULT_MESSAGE_LOGLEVEL @@ -608,7 +601,8 @@ static unsigned int devkmsg_poll(struct file *file, poll_table *wait) /* return error when data has vanished underneath us */ if (user->seq < log_first_seq) ret = POLLIN|POLLRDNORM|POLLERR|POLLPRI; - ret = POLLIN|POLLRDNORM; + else + ret = POLLIN|POLLRDNORM; } raw_spin_unlock_irq(&logbuf_lock); @@ -1265,7 +1259,7 @@ static void call_console_drivers(int level, const char *text, size_t len) { struct console *con; - trace_console(text, 0, len, len); + trace_console(text, len); if (level >= console_loglevel && !ignore_loglevel) return; @@ -1723,6 +1717,29 @@ static size_t cont_print_text(char *text, size_t size) { return 0; } #endif /* CONFIG_PRINTK */ +#ifdef CONFIG_EARLY_PRINTK +struct console *early_console; + +void early_vprintk(const char *fmt, va_list ap) +{ + if (early_console) { + char buf[512]; + int n = vscnprintf(buf, sizeof(buf), fmt, ap); + + early_console->write(early_console, buf, n); + } +} + +asmlinkage void early_printk(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + early_vprintk(fmt, ap); + va_end(ap); +} +#endif + static int __add_preferred_console(char *name, int idx, char *options, char *brl_options) { diff --git a/kernel/rcutree.c b/kernel/rcutree.c index 5b8ad827fd86..2f8530bc4b17 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -1319,7 +1319,7 @@ static int rcu_gp_init(struct rcu_state *rsp) rnp->grphi, rnp->qsmask); raw_spin_unlock_irq(&rnp->lock); #ifdef CONFIG_PROVE_RCU_DELAY - if ((random32() % (rcu_num_nodes * 8)) == 0) + if ((prandom_u32() % (rcu_num_nodes * 8)) == 0) schedule_timeout_uninterruptible(2); #endif /* #ifdef CONFIG_PROVE_RCU_DELAY */ cond_resched(); diff --git a/kernel/test_kprobes.c b/kernel/test_kprobes.c index f8b11a283171..12d6ebbfdd83 100644 --- a/kernel/test_kprobes.c +++ b/kernel/test_kprobes.c @@ -365,7 +365,7 @@ int init_test_probes(void) target2 = kprobe_target2; do { - rand1 = random32(); + rand1 = prandom_u32(); } while (rand1 <= div_factor); printk(KERN_INFO "Kprobe smoke test started\n"); |