Re: Linux 3.0.92

From: Greg KH
Date: Tue Aug 20 2013 - 11:56:05 EST

diff --git a/Makefile b/Makefile
index ab2f30a..a846aa8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 0
-SUBLEVEL = 91
+SUBLEVEL = 92
EXTRAVERSION =
NAME = Sneaky Weasel

diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index bfa706f..99a6ed7 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -45,8 +45,13 @@
#define L2X0_CLEAN_INV_LINE_PA 0x7F0
#define L2X0_CLEAN_INV_LINE_IDX 0x7F8
#define L2X0_CLEAN_INV_WAY 0x7FC
-#define L2X0_LOCKDOWN_WAY_D 0x900
-#define L2X0_LOCKDOWN_WAY_I 0x904
+/*
+ * The lockdown registers repeat 8 times for L310, the L210 has only one
+ * D and one I lockdown register at 0x0900 and 0x0904.
+ */
+#define L2X0_LOCKDOWN_WAY_D_BASE 0x900
+#define L2X0_LOCKDOWN_WAY_I_BASE 0x904
+#define L2X0_LOCKDOWN_STRIDE 0x08
#define L2X0_TEST_OPERATION 0xF00
#define L2X0_LINE_DATA 0xF10
#define L2X0_LINE_TAG 0xF30
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 44c0867..9ecfdb5 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -277,6 +277,25 @@ static void l2x0_disable(void)
spin_unlock_irqrestore(&l2x0_lock, flags);
}

+static void __init l2x0_unlock(__u32 cache_id)
+{
+ int lockregs;
+ int i;
+
+ if (cache_id == L2X0_CACHE_ID_PART_L310)
+ lockregs = 8;
+ else
+ /* L210 and unknown types */
+ lockregs = 1;
+
+ for (i = 0; i < lockregs; i++) {
+ writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_D_BASE +
+ i * L2X0_LOCKDOWN_STRIDE);
+ writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_I_BASE +
+ i * L2X0_LOCKDOWN_STRIDE);
+ }
+}
+
void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
{
__u32 aux;
@@ -328,6 +347,8 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
* accessing the below registers will fault.
*/
if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & 1)) {
+ /* Make sure that I&D is not locked down when starting */
+ l2x0_unlock(cache_id);

/* l2x0 controller is disabled */
writel_relaxed(aux, l2x0_base + L2X0_AUX_CTRL);
diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S
index a6990cb..a68b983 100644
--- a/arch/cris/kernel/vmlinux.lds.S
+++ b/arch/cris/kernel/vmlinux.lds.S
@@ -52,6 +52,7 @@ SECTIONS

EXCEPTION_TABLE(4)

+ _sdata = .;
RODATA

. = ALIGN (4);
diff --git a/arch/m68k/emu/natfeat.c b/arch/m68k/emu/natfeat.c
index 2291a7d..fa277ae 100644
--- a/arch/m68k/emu/natfeat.c
+++ b/arch/m68k/emu/natfeat.c
@@ -18,9 +18,11 @@
#include <asm/machdep.h>
#include <asm/natfeat.h>

+extern long nf_get_id2(const char *feature_name);
+
asm("\n"
-" .global nf_get_id,nf_call\n"
-"nf_get_id:\n"
+" .global nf_get_id2,nf_call\n"
+"nf_get_id2:\n"
" .short 0x7300\n"
" rts\n"
"nf_call:\n"
@@ -29,12 +31,25 @@ asm("\n"
"1: moveq.l #0,%d0\n"
" rts\n"
" .section __ex_table,\"a\"\n"
-" .long nf_get_id,1b\n"
+" .long nf_get_id2,1b\n"
" .long nf_call,1b\n"
" .previous");
-EXPORT_SYMBOL_GPL(nf_get_id);
EXPORT_SYMBOL_GPL(nf_call);

+long nf_get_id(const char *feature_name)
+{
+ /* feature_name may be in vmalloc()ed memory, so make a copy */
+ char name_copy[32];
+ size_t n;
+
+ n = strlcpy(name_copy, feature_name, sizeof(name_copy));
+ if (n >= sizeof(name_copy))
+ return 0;
+
+ return nf_get_id2(name_copy);
+}
+EXPORT_SYMBOL_GPL(nf_get_id);
+
void nfprint(const char *fmt, ...)
{
static char buf[256];
diff --git a/arch/m68k/include/asm/div64.h b/arch/m68k/include/asm/div64.h
index edb6614..7558032 100644
--- a/arch/m68k/include/asm/div64.h
+++ b/arch/m68k/include/asm/div64.h
@@ -13,16 +13,17 @@
unsigned long long n64; \
} __n; \
unsigned long __rem, __upper; \
+ unsigned long __base = (base); \
\
__n.n64 = (n); \
if ((__upper = __n.n32[0])) { \
asm ("divul.l %2,%1:%0" \
- : "=d" (__n.n32[0]), "=d" (__upper) \
- : "d" (base), "0" (__n.n32[0])); \
+ : "=d" (__n.n32[0]), "=d" (__upper) \
+ : "d" (__base), "0" (__n.n32[0])); \
} \
asm ("divu.l %2,%1:%0" \
- : "=d" (__n.n32[1]), "=d" (__rem) \
- : "d" (base), "1" (__upper), "0" (__n.n32[1])); \
+ : "=d" (__n.n32[1]), "=d" (__rem) \
+ : "d" (__base), "1" (__upper), "0" (__n.n32[1])); \
(n) = __n.n64; \
__rem; \
})
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index b7212b6..f1b5251 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -67,7 +67,7 @@ LDFLAGS_vmlinux-yy := -Bstatic
LDFLAGS_vmlinux-$(CONFIG_PPC64)$(CONFIG_RELOCATABLE) := -pie
LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-yy)

-CFLAGS-$(CONFIG_PPC64) := -mminimal-toc -mtraceback=none -mcall-aixdesc
+CFLAGS-$(CONFIG_PPC64) := -mminimal-toc -mtraceback=no -mcall-aixdesc
CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 -mmultiple
KBUILD_CPPFLAGS += -Iarch/$(ARCH)
KBUILD_AFLAGS += -Iarch/$(ARCH)
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index a3fc437..4961516 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -40,7 +40,7 @@ lib-$(CONFIG_SPARC64) += copy_in_user.o user_fixup.o memmove.o
lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o

obj-y += iomap.o
-obj-$(CONFIG_SPARC32) += atomic32.o
+obj-$(CONFIG_SPARC32) += atomic32.o ucmpdi2.o
obj-y += ksyms.o
obj-$(CONFIG_SPARC64) += PeeCeeI.o
obj-y += usercopy.o
diff --git a/arch/sparc/lib/ucmpdi2.c b/arch/sparc/lib/ucmpdi2.c
new file mode 100644
index 0000000..1e06ed5
--- /dev/null
+++ b/arch/sparc/lib/ucmpdi2.c
@@ -0,0 +1,19 @@
+#include <linux/module.h>
+#include "libgcc.h"
+
+word_type __ucmpdi2(unsigned long long a, unsigned long long b)
+{
+ const DWunion au = {.ll = a};
+ const DWunion bu = {.ll = b};
+
+ if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
+ return 0;
+ else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
+ return 2;
+ if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
+ return 0;
+ else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
+ return 2;
+ return 1;
+}
+EXPORT_SYMBOL(__ucmpdi2);
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index f88ad63..8659cd9 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -100,6 +100,12 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x04d8, 0x000c), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },

+ /* CarrolTouch 4000U */
+ { USB_DEVICE(0x04e7, 0x0009), .driver_info = USB_QUIRK_RESET_RESUME },
+
+ /* CarrolTouch 4500U */
+ { USB_DEVICE(0x04e7, 0x0030), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* Samsung Android phone modem - ID conflict with SPH-I500 */
{ USB_DEVICE(0x04e8, 0x6601), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 703d1fa..267dff9 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -97,6 +97,7 @@ struct urbtracker {
struct list_head urblist_entry;
struct kref ref_count;
struct urb *urb;
+ struct usb_ctrlrequest *setup;
};

enum mos7715_pp_modes {
@@ -279,6 +280,7 @@ static void destroy_urbtracker(struct kref *kref)
struct mos7715_parport *mos_parport = urbtrack->mos_parport;
dbg("%s called", __func__);
usb_free_urb(urbtrack->urb);
+ kfree(urbtrack->setup);
kfree(urbtrack);
kref_put(&mos_parport->ref_count, destroy_mos_parport);
}
@@ -363,7 +365,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
struct urbtracker *urbtrack;
int ret_val;
unsigned long flags;
- struct usb_ctrlrequest setup;
struct usb_serial *serial = mos_parport->serial;
struct usb_device *usbdev = serial->dev;
dbg("%s called", __func__);
@@ -382,14 +383,20 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
kfree(urbtrack);
return -ENOMEM;
}
- setup.bRequestType = (__u8)0x40;
- setup.bRequest = (__u8)0x0e;
- setup.wValue = get_reg_value(reg, dummy);
- setup.wIndex = get_reg_index(reg);
- setup.wLength = 0;
+ urbtrack->setup = kmalloc(sizeof(*urbtrack->setup), GFP_KERNEL);
+ if (!urbtrack->setup) {
+ usb_free_urb(urbtrack->urb);
+ kfree(urbtrack);
+ return -ENOMEM;
+ }
+ urbtrack->setup->bRequestType = (__u8)0x40;
+ urbtrack->setup->bRequest = (__u8)0x0e;
+ urbtrack->setup->wValue = get_reg_value(reg, dummy);
+ urbtrack->setup->wIndex = get_reg_index(reg);
+ urbtrack->setup->wLength = 0;
usb_fill_control_urb(urbtrack->urb, usbdev,
usb_sndctrlpipe(usbdev, 0),
- (unsigned char *)&setup,
+ (unsigned char *)urbtrack->setup,
NULL, 0, async_complete, urbtrack);
kref_init(&urbtrack->ref_count);
INIT_LIST_HEAD(&urbtrack->urblist_entry);
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 59225ef..db70f1b 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -313,6 +313,17 @@ static inline unsigned hstate_index_to_shift(unsigned index)
return hstates[index].order + PAGE_SHIFT;
}

+pgoff_t __basepage_index(struct page *page);
+
+/* Return page->index in PAGE_SIZE units */
+static inline pgoff_t basepage_index(struct page *page)
+{
+ if (!PageCompound(page))
+ return page->index;
+
+ return __basepage_index(page);
+}
+
#else
struct hstate {};
#define alloc_huge_page_node(h, nid) NULL
@@ -331,6 +342,11 @@ static inline unsigned int pages_per_huge_page(struct hstate *h)
return 1;
}
#define hstate_index_to_shift(index) 0
+
+static inline pgoff_t basepage_index(struct page *page)
+{
+ return page->index;
+}
#endif

#endif /* _LINUX_HUGETLB_H */
diff --git a/kernel/futex.c b/kernel/futex.c
index 91691e9..5c305c0 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -60,6 +60,7 @@
#include <linux/pid.h>
#include <linux/nsproxy.h>
#include <linux/ptrace.h>
+#include <linux/hugetlb.h>

#include <asm/futex.h>

@@ -363,7 +364,7 @@ again:
} else {
key->both.offset |= FUT_OFF_INODE; /* inode-based key */
key->shared.inode = page_head->mapping->host;
- key->shared.pgoff = page_head->index;
+ key->shared.pgoff = basepage_index(page);
}

get_futex_key_refs(key);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index a3498eb..6fdad25 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -602,6 +602,23 @@ int PageHuge(struct page *page)

EXPORT_SYMBOL_GPL(PageHuge);

+pgoff_t __basepage_index(struct page *page)
+{
+ struct page *page_head = compound_head(page);
+ pgoff_t index = page_index(page_head);
+ unsigned long compound_idx;
+
+ if (!PageHuge(page_head))
+ return page_index(page);
+
+ if (compound_order(page_head) >= MAX_ORDER)
+ compound_idx = page_to_pfn(page) - page_to_pfn(page_head);
+ else
+ compound_idx = page - page_head;
+
+ return (index << compound_order(page_head)) + compound_idx;
+}
+
static struct page *alloc_fresh_huge_page_node(struct hstate *h, int nid)
{
struct page *page;
diff --git a/mm/nommu.c b/mm/nommu.c
index 1692fef..9242924 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1826,6 +1826,16 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,
}
EXPORT_SYMBOL(remap_pfn_range);

+int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len)
+{
+ unsigned long pfn = start >> PAGE_SHIFT;
+ unsigned long vm_len = vma->vm_end - vma->vm_start;
+
+ pfn += vma->vm_pgoff;
+ return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot);
+}
+EXPORT_SYMBOL(vm_iomap_memory);
+
int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
unsigned long pgoff)
{
diff --git a/net/key/af_key.c b/net/key/af_key.c
index d040880..020a602 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2687,6 +2687,7 @@ static int key_notify_policy_flush(const struct km_event *c)
hdr->sadb_msg_pid = c->pid;
hdr->sadb_msg_version = PF_KEY_V2;
hdr->sadb_msg_errno = (uint8_t) 0;
+ hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC;
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
hdr->sadb_msg_reserved = 0;
pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 874f8ff..409dd40 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -700,6 +700,10 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)
struct net *net = sock_net(skb->sk);
int chains_to_skip = cb->args[0];
int fams_to_skip = cb->args[1];
+ bool need_locking = chains_to_skip || fams_to_skip;
+
+ if (need_locking)
+ genl_lock();

for (i = chains_to_skip; i < GENL_FAM_TAB_SIZE; i++) {
n = 0;
@@ -721,6 +725,9 @@ errout:
cb->args[0] = i;
cb->args[1] = n;

+ if (need_locking)
+ genl_unlock();
+
return skb->len;
}

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