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-rw-r--r--lib/Kconfig.debug12
-rw-r--r--lib/Makefile6
-rw-r--r--lib/asn1_decoder.c2
-rw-r--r--lib/bitmap.c2
-rw-r--r--lib/cpumask.c2
-rw-r--r--lib/earlycpio.c145
-rw-r--r--lib/mpi/longlong.h19
7 files changed, 174 insertions, 14 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 28e9d6c98941..e458782f3c52 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -972,7 +972,7 @@ config RCU_CPU_STALL_TIMEOUT
int "RCU CPU stall timeout in seconds"
depends on TREE_RCU || TREE_PREEMPT_RCU
range 3 300
- default 60
+ default 21
help
If a given RCU grace period extends more than the specified
number of seconds, a CPU stall warning is printed. If the
@@ -1115,7 +1115,7 @@ config NOTIFIER_ERROR_INJECTION
depends on DEBUG_KERNEL
select DEBUG_FS
help
- This option provides the ability to inject artifical errors to
+ This option provides the ability to inject artificial errors to
specified notifier chain callbacks. It is useful to test the error
handling of notifier call chain failures.
@@ -1126,7 +1126,7 @@ config CPU_NOTIFIER_ERROR_INJECT
depends on HOTPLUG_CPU && NOTIFIER_ERROR_INJECTION
help
This option provides a kernel module that can be used to test
- the error handling of the cpu notifiers by injecting artifical
+ the error handling of the cpu notifiers by injecting artificial
errors to CPU notifier chain callbacks. It is controlled through
debugfs interface under /sys/kernel/debug/notifier-error-inject/cpu
@@ -1150,7 +1150,7 @@ config PM_NOTIFIER_ERROR_INJECT
depends on PM && NOTIFIER_ERROR_INJECTION
default m if PM_DEBUG
help
- This option provides the ability to inject artifical errors to
+ This option provides the ability to inject artificial errors to
PM notifier chain callbacks. It is controlled through debugfs
interface /sys/kernel/debug/notifier-error-inject/pm
@@ -1173,7 +1173,7 @@ config MEMORY_NOTIFIER_ERROR_INJECT
tristate "Memory hotplug notifier error injection module"
depends on MEMORY_HOTPLUG_SPARSE && NOTIFIER_ERROR_INJECTION
help
- This option provides the ability to inject artifical errors to
+ This option provides the ability to inject artificial errors to
memory hotplug notifier chain callbacks. It is controlled through
debugfs interface under /sys/kernel/debug/notifier-error-inject/memory
@@ -1196,7 +1196,7 @@ config PSERIES_RECONFIG_NOTIFIER_ERROR_INJECT
tristate "pSeries reconfig notifier error injection module"
depends on PPC_PSERIES && NOTIFIER_ERROR_INJECTION
help
- This option provides the ability to inject artifical errors to
+ This option provides the ability to inject artificial errors to
pSeries reconfig notifier chain callbacks. It is controlled
through debugfs interface under
/sys/kernel/debug/notifier-error-inject/pSeries-reconfig/
diff --git a/lib/Makefile b/lib/Makefile
index 821a16229111..e2152fa7ff4d 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -12,7 +12,8 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \
idr.o int_sqrt.o extable.o \
sha1.o md5.o irq_regs.o reciprocal_div.o argv_split.o \
proportions.o flex_proportions.o prio_heap.o ratelimit.o show_mem.o \
- is_single_threaded.o plist.o decompress.o
+ is_single_threaded.o plist.o decompress.o kobject_uevent.o \
+ earlycpio.o
lib-$(CONFIG_MMU) += ioremap.o
lib-$(CONFIG_SMP) += cpumask.o
@@ -31,7 +32,6 @@ CFLAGS_kobject.o += -DDEBUG
CFLAGS_kobject_uevent.o += -DDEBUG
endif
-lib-$(CONFIG_HOTPLUG) += kobject_uevent.o
obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
@@ -163,7 +163,7 @@ $(obj)/crc32table.h: $(obj)/gen_crc32table
#
obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
-$(obj)/oid_registry.c: $(obj)/oid_registry_data.c
+$(obj)/oid_registry.o: $(obj)/oid_registry_data.c
$(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
$(src)/build_OID_registry
diff --git a/lib/asn1_decoder.c b/lib/asn1_decoder.c
index de2c8b5a715b..5293d2433029 100644
--- a/lib/asn1_decoder.c
+++ b/lib/asn1_decoder.c
@@ -91,7 +91,7 @@ next_tag:
/* Extract the length */
len = data[dp++];
- if (len < 0x7f) {
+ if (len <= 0x7f) {
dp += len;
goto next_tag;
}
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 06fdfa1aeba7..06f7e4fe8d2d 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -353,7 +353,7 @@ again:
EXPORT_SYMBOL(bitmap_find_next_zero_area);
/*
- * Bitmap printing & parsing functions: first version by Bill Irwin,
+ * Bitmap printing & parsing functions: first version by Nadia Yvette Chambers,
* second version by Paul Jackson, third by Joe Korty.
*/
diff --git a/lib/cpumask.c b/lib/cpumask.c
index 402a54ac35cb..d327b87c99b7 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -161,6 +161,6 @@ EXPORT_SYMBOL(free_cpumask_var);
*/
void __init free_bootmem_cpumask_var(cpumask_var_t mask)
{
- free_bootmem((unsigned long)mask, cpumask_size());
+ free_bootmem(__pa(mask), cpumask_size());
}
#endif
diff --git a/lib/earlycpio.c b/lib/earlycpio.c
new file mode 100644
index 000000000000..8078ef49cb79
--- /dev/null
+++ b/lib/earlycpio.c
@@ -0,0 +1,145 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2012 Intel Corporation; author H. Peter Anvin
+ *
+ * This file is part of the Linux kernel, and is made available
+ * under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * earlycpio.c
+ *
+ * Find a specific cpio member; must precede any compressed content.
+ * This is used to locate data items in the initramfs used by the
+ * kernel itself during early boot (before the main initramfs is
+ * decompressed.) It is the responsibility of the initramfs creator
+ * to ensure that these items are uncompressed at the head of the
+ * blob. Depending on the boot loader or package tool that may be a
+ * separate file or part of the same file.
+ */
+
+#include <linux/earlycpio.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+enum cpio_fields {
+ C_MAGIC,
+ C_INO,
+ C_MODE,
+ C_UID,
+ C_GID,
+ C_NLINK,
+ C_MTIME,
+ C_FILESIZE,
+ C_MAJ,
+ C_MIN,
+ C_RMAJ,
+ C_RMIN,
+ C_NAMESIZE,
+ C_CHKSUM,
+ C_NFIELDS
+};
+
+/**
+ * cpio_data find_cpio_data - Search for files in an uncompressed cpio
+ * @path: The directory to search for, including a slash at the end
+ * @data: Pointer to the the cpio archive or a header inside
+ * @len: Remaining length of the cpio based on data pointer
+ * @offset: When a matching file is found, this is the offset to the
+ * beginning of the cpio. It can be used to iterate through
+ * the cpio to find all files inside of a directory path
+ *
+ * @return: struct cpio_data containing the address, length and
+ * filename (with the directory path cut off) of the found file.
+ * If you search for a filename and not for files in a directory,
+ * pass the absolute path of the filename in the cpio and make sure
+ * the match returned an empty filename string.
+ */
+
+struct cpio_data __cpuinit find_cpio_data(const char *path, void *data,
+ size_t len, long *offset)
+{
+ const size_t cpio_header_len = 8*C_NFIELDS - 2;
+ struct cpio_data cd = { NULL, 0, "" };
+ const char *p, *dptr, *nptr;
+ unsigned int ch[C_NFIELDS], *chp, v;
+ unsigned char c, x;
+ size_t mypathsize = strlen(path);
+ int i, j;
+
+ p = data;
+
+ while (len > cpio_header_len) {
+ if (!*p) {
+ /* All cpio headers need to be 4-byte aligned */
+ p += 4;
+ len -= 4;
+ continue;
+ }
+
+ j = 6; /* The magic field is only 6 characters */
+ chp = ch;
+ for (i = C_NFIELDS; i; i--) {
+ v = 0;
+ while (j--) {
+ v <<= 4;
+ c = *p++;
+
+ x = c - '0';
+ if (x < 10) {
+ v += x;
+ continue;
+ }
+
+ x = (c | 0x20) - 'a';
+ if (x < 6) {
+ v += x + 10;
+ continue;
+ }
+
+ goto quit; /* Invalid hexadecimal */
+ }
+ *chp++ = v;
+ j = 8; /* All other fields are 8 characters */
+ }
+
+ if ((ch[C_MAGIC] - 0x070701) > 1)
+ goto quit; /* Invalid magic */
+
+ len -= cpio_header_len;
+
+ dptr = PTR_ALIGN(p + ch[C_NAMESIZE], 4);
+ nptr = PTR_ALIGN(dptr + ch[C_FILESIZE], 4);
+
+ if (nptr > p + len || dptr < p || nptr < dptr)
+ goto quit; /* Buffer overrun */
+
+ if ((ch[C_MODE] & 0170000) == 0100000 &&
+ ch[C_NAMESIZE] >= mypathsize &&
+ !memcmp(p, path, mypathsize)) {
+ *offset = (long)nptr - (long)data;
+ if (ch[C_NAMESIZE] - mypathsize >= MAX_CPIO_FILE_NAME) {
+ pr_warn(
+ "File %s exceeding MAX_CPIO_FILE_NAME [%d]\n",
+ p, MAX_CPIO_FILE_NAME);
+ }
+ strlcpy(cd.name, p + mypathsize, MAX_CPIO_FILE_NAME);
+
+ cd.data = (void *)dptr;
+ cd.size = ch[C_FILESIZE];
+ return cd; /* Found it! */
+ }
+ len -= (nptr - p);
+ p = nptr;
+ }
+
+quit:
+ return cd;
+}
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index 678ce4f1e124..095ab157a521 100644
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -641,7 +641,14 @@ do { \
************** MIPS *****************
***************************************/
#if defined(__mips__) && W_TYPE_SIZE == 32
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4
+#define umul_ppmm(w1, w0, u, v) \
+do { \
+ UDItype __ll = (UDItype)(u) * (v); \
+ w1 = __ll >> 32; \
+ w0 = __ll; \
+} while (0)
+#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("multu %2,%3" \
: "=l" ((USItype)(w0)), \
@@ -666,7 +673,15 @@ do { \
************** MIPS/64 **************
***************************************/
#if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4
+#define umul_ppmm(w1, w0, u, v) \
+do { \
+ typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \
+ __ll_UTItype __ll = (__ll_UTItype)(u) * (v); \
+ w1 = __ll >> 64; \
+ w0 = __ll; \
+} while (0)
+#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("dmultu %2,%3" \
: "=l" ((UDItype)(w0)), \