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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 19:47:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 19:47:50 -0700
commit56847d857cb0c3ee78c22ce776a26f88d9ffd4d4 (patch)
treea85bcf204a53e45d26f6a3984f16ddd525eef3e7 /arch
parent191a712090bb8a10e6f129360eeed2d68f3d4c9a (diff)
parent8d564368a9a3197f43e56dadf4a18c5738849f94 (diff)
downloadlinux-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 'arch')
-rw-r--r--arch/arm/kernel/early_printk.c17
-rw-r--r--arch/blackfin/kernel/early_printk.c2
-rw-r--r--arch/microblaze/kernel/early_printk.c26
-rw-r--r--arch/mips/kernel/early_printk.c12
-rw-r--r--arch/powerpc/kernel/udbg.c6
-rw-r--r--arch/sh/kernel/sh_bios.c4
-rw-r--r--arch/tile/kernel/early_printk.c27
-rw-r--r--arch/um/kernel/early_printk.c8
-rw-r--r--arch/unicore32/kernel/early_printk.c12
-rw-r--r--arch/x86/kernel/early_printk.c21
-rw-r--r--arch/x86/mm/pageattr-test.c5
11 files changed, 35 insertions, 105 deletions
diff --git a/arch/arm/kernel/early_printk.c b/arch/arm/kernel/early_printk.c
index 85aa2b292692..43076536965c 100644
--- a/arch/arm/kernel/early_printk.c
+++ b/arch/arm/kernel/early_printk.c
@@ -29,28 +29,17 @@ static void early_console_write(struct console *con, const char *s, unsigned n)
early_write(s, n);
}
-static struct console early_console = {
+static struct console early_console_dev = {
.name = "earlycon",
.write = early_console_write,
.flags = CON_PRINTBUFFER | CON_BOOT,
.index = -1,
};
-asmlinkage void early_printk(const char *fmt, ...)
-{
- char buf[512];
- int n;
- va_list ap;
-
- va_start(ap, fmt);
- n = vscnprintf(buf, sizeof(buf), fmt, ap);
- early_write(buf, n);
- va_end(ap);
-}
-
static int __init setup_early_printk(char *buf)
{
- register_console(&early_console);
+ early_console = &early_console_dev;
+ register_console(&early_console_dev);
return 0;
}
diff --git a/arch/blackfin/kernel/early_printk.c b/arch/blackfin/kernel/early_printk.c
index 84ed8375113c..61fbd2de993d 100644
--- a/arch/blackfin/kernel/early_printk.c
+++ b/arch/blackfin/kernel/early_printk.c
@@ -25,8 +25,6 @@ extern struct console *bfin_earlyserial_init(unsigned int port,
extern struct console *bfin_jc_early_init(void);
#endif
-static struct console *early_console;
-
/* Default console */
#define DEFAULT_PORT 0
#define DEFAULT_CFLAG CS8|B57600
diff --git a/arch/microblaze/kernel/early_printk.c b/arch/microblaze/kernel/early_printk.c
index 60dcacc68038..365f2d53f1b2 100644
--- a/arch/microblaze/kernel/early_printk.c
+++ b/arch/microblaze/kernel/early_printk.c
@@ -21,7 +21,6 @@
#include <asm/setup.h>
#include <asm/prom.h>
-static u32 early_console_initialized;
static u32 base_addr;
#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
@@ -109,27 +108,11 @@ static struct console early_serial_uart16550_console = {
};
#endif /* CONFIG_SERIAL_8250_CONSOLE */
-static struct console *early_console;
-
-void early_printk(const char *fmt, ...)
-{
- char buf[512];
- int n;
- va_list ap;
-
- if (early_console_initialized) {
- va_start(ap, fmt);
- n = vscnprintf(buf, 512, fmt, ap);
- early_console->write(early_console, buf, n);
- va_end(ap);
- }
-}
-
int __init setup_early_printk(char *opt)
{
int version = 0;
- if (early_console_initialized)
+ if (early_console)
return 1;
base_addr = of_early_console(&version);
@@ -159,7 +142,6 @@ int __init setup_early_printk(char *opt)
}
register_console(early_console);
- early_console_initialized = 1;
return 0;
}
return 1;
@@ -169,7 +151,7 @@ int __init setup_early_printk(char *opt)
* only for early console because of performance degression */
void __init remap_early_printk(void)
{
- if (!early_console_initialized || !early_console)
+ if (!early_console)
return;
pr_info("early_printk_console remapping from 0x%x to ", base_addr);
base_addr = (u32) ioremap(base_addr, PAGE_SIZE);
@@ -194,9 +176,9 @@ void __init remap_early_printk(void)
void __init disable_early_printk(void)
{
- if (!early_console_initialized || !early_console)
+ if (!early_console)
return;
pr_warn("disabling early console\n");
unregister_console(early_console);
- early_console_initialized = 0;
+ early_console = NULL;
}
diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c
index 9e6440eaa455..505cb77d1280 100644
--- a/arch/mips/kernel/early_printk.c
+++ b/arch/mips/kernel/early_printk.c
@@ -7,7 +7,9 @@
* Copyright (C) 2007 MIPS Technologies, Inc.
* written by Ralf Baechle (ralf@linux-mips.org)
*/
+#include <linux/kernel.h>
#include <linux/console.h>
+#include <linux/printk.h>
#include <linux/init.h>
#include <asm/setup.h>
@@ -24,20 +26,18 @@ static void early_console_write(struct console *con, const char *s, unsigned n)
}
}
-static struct console early_console = {
+static struct console early_console_prom = {
.name = "early",
.write = early_console_write,
.flags = CON_PRINTBUFFER | CON_BOOT,
.index = -1
};
-static int early_console_initialized __initdata;
-
void __init setup_early_printk(void)
{
- if (early_console_initialized)
+ if (early_console)
return;
- early_console_initialized = 1;
+ early_console = &early_console_prom;
- register_console(&early_console);
+ register_console(&early_console_prom);
}
diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c
index f9748498fe58..13b867093499 100644
--- a/arch/powerpc/kernel/udbg.c
+++ b/arch/powerpc/kernel/udbg.c
@@ -156,15 +156,13 @@ static struct console udbg_console = {
.index = 0,
};
-static int early_console_initialized;
-
/*
* Called by setup_system after ppc_md->probe and ppc_md->early_init.
* Call it again after setting udbg_putc in ppc_md->setup_arch.
*/
void __init register_early_udbg_console(void)
{
- if (early_console_initialized)
+ if (early_console)
return;
if (!udbg_putc)
@@ -174,7 +172,7 @@ void __init register_early_udbg_console(void)
printk(KERN_INFO "early console immortal !\n");
udbg_console.flags &= ~CON_BOOT;
}
- early_console_initialized = 1;
+ early_console = &udbg_console;
register_console(&udbg_console);
}
diff --git a/arch/sh/kernel/sh_bios.c b/arch/sh/kernel/sh_bios.c
index 47475cca068a..fe584e516964 100644
--- a/arch/sh/kernel/sh_bios.c
+++ b/arch/sh/kernel/sh_bios.c
@@ -104,6 +104,7 @@ void sh_bios_vbr_reload(void)
);
}
+#ifdef CONFIG_EARLY_PRINTK
/*
* Print a string through the BIOS
*/
@@ -144,8 +145,6 @@ static struct console bios_console = {
.index = -1,
};
-static struct console *early_console;
-
static int __init setup_early_printk(char *buf)
{
int keep_early = 0;
@@ -170,3 +169,4 @@ static int __init setup_early_printk(char *buf)
return 0;
}
early_param("earlyprintk", setup_early_printk);
+#endif
diff --git a/arch/tile/kernel/early_printk.c b/arch/tile/kernel/early_printk.c
index afb9c9a0d887..34d72a151bf3 100644
--- a/arch/tile/kernel/early_printk.c
+++ b/arch/tile/kernel/early_printk.c
@@ -17,6 +17,7 @@
#include <linux/init.h>
#include <linux/string.h>
#include <linux/irqflags.h>
+#include <linux/printk.h>
#include <asm/setup.h>
#include <hv/hypervisor.h>
@@ -33,25 +34,8 @@ static struct console early_hv_console = {
};
/* Direct interface for emergencies */
-static struct console *early_console = &early_hv_console;
-static int early_console_initialized;
static int early_console_complete;
-static void early_vprintk(const char *fmt, va_list ap)
-{
- char buf[512];
- int n = vscnprintf(buf, sizeof(buf), fmt, ap);
- early_console->write(early_console, buf, n);
-}
-
-void early_printk(const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
- early_vprintk(fmt, ap);
- va_end(ap);
-}
-
void early_panic(const char *fmt, ...)
{
va_list ap;
@@ -69,14 +53,13 @@ static int __initdata keep_early;
static int __init setup_early_printk(char *str)
{
- if (early_console_initialized)
+ if (early_console)
return 1;
if (str != NULL && strncmp(str, "keep", 4) == 0)
keep_early = 1;
early_console = &early_hv_console;
- early_console_initialized = 1;
register_console(early_console);
return 0;
@@ -85,12 +68,12 @@ static int __init setup_early_printk(char *str)
void __init disable_early_printk(void)
{
early_console_complete = 1;
- if (!early_console_initialized || !early_console)
+ if (!early_console)
return;
if (!keep_early) {
early_printk("disabling early console\n");
unregister_console(early_console);
- early_console_initialized = 0;
+ early_console = NULL;
} else {
early_printk("keeping early console\n");
}
@@ -98,7 +81,7 @@ void __init disable_early_printk(void)
void warn_early_printk(void)
{
- if (early_console_complete || early_console_initialized)
+ if (early_console_complete || early_console)
return;
early_printk("\
Machine shutting down before console output is fully initialized.\n\
diff --git a/arch/um/kernel/early_printk.c b/arch/um/kernel/early_printk.c
index 49480f092456..4a0800bc37b2 100644
--- a/arch/um/kernel/early_printk.c
+++ b/arch/um/kernel/early_printk.c
@@ -16,7 +16,7 @@ static void early_console_write(struct console *con, const char *s, unsigned int
um_early_printk(s, n);
}
-static struct console early_console = {
+static struct console early_console_dev = {
.name = "earlycon",
.write = early_console_write,
.flags = CON_BOOT,
@@ -25,8 +25,10 @@ static struct console early_console = {
static int __init setup_early_printk(char *buf)
{
- register_console(&early_console);
-
+ if (!early_console) {
+ early_console = &early_console_dev;
+ register_console(&early_console_dev);
+ }
return 0;
}
diff --git a/arch/unicore32/kernel/early_printk.c b/arch/unicore32/kernel/early_printk.c
index 3922255f1fa8..9be0d5d02a9a 100644
--- a/arch/unicore32/kernel/early_printk.c
+++ b/arch/unicore32/kernel/early_printk.c
@@ -33,21 +33,17 @@ static struct console early_ocd_console = {
.index = -1,
};
-/* Direct interface for emergencies */
-static struct console *early_console = &early_ocd_console;
-
-static int __initdata keep_early;
-
static int __init setup_early_printk(char *buf)
{
- if (!buf)
+ int keep_early;
+
+ if (!buf || early_console)
return 0;
if (strstr(buf, "keep"))
keep_early = 1;
- if (!strncmp(buf, "ocd", 3))
- early_console = &early_ocd_console;
+ early_console = &early_ocd_console;
if (keep_early)
early_console->flags &= ~CON_BOOT;
diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index 9b9f18b49918..d15f575a861b 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -169,25 +169,9 @@ static struct console early_serial_console = {
.index = -1,
};
-/* Direct interface for emergencies */
-static struct console *early_console = &early_vga_console;
-static int __initdata early_console_initialized;
-
-asmlinkage void early_printk(const char *fmt, ...)
-{
- char buf[512];
- int n;
- va_list ap;
-
- va_start(ap, fmt);
- n = vscnprintf(buf, sizeof(buf), fmt, ap);
- early_console->write(early_console, buf, n);
- va_end(ap);
-}
-
static inline void early_console_register(struct console *con, int keep_early)
{
- if (early_console->index != -1) {
+ if (con->index != -1) {
printk(KERN_CRIT "ERROR: earlyprintk= %s already used\n",
con->name);
return;
@@ -207,9 +191,8 @@ static int __init setup_early_printk(char *buf)
if (!buf)
return 0;
- if (early_console_initialized)
+ if (early_console)
return 0;
- early_console_initialized = 1;
keep = (strstr(buf, "keep") != NULL);
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index 0e38951e65eb..d0b1773d9d2e 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -130,13 +130,12 @@ static int pageattr_test(void)
}
failed += print_split(&sa);
- srandom32(100);
for (i = 0; i < NTEST; i++) {
- unsigned long pfn = random32() % max_pfn_mapped;
+ unsigned long pfn = prandom_u32() % max_pfn_mapped;
addr[i] = (unsigned long)__va(pfn << PAGE_SHIFT);
- len[i] = random32() % 100;
+ len[i] = prandom_u32() % 100;
len[i] = min_t(unsigned long, len[i], max_pfn_mapped - pfn - 1);
if (len[i] == 0)