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-rw-r--r--arch/arm/kernel/entry-header.S13
-rw-r--r--arch/arm/kernel/perf_event.c10
-rw-r--r--arch/arm/kernel/setup.c7
-rw-r--r--arch/arm64/Makefile1
-rw-r--r--arch/arm64/boot/dts/Makefile2
-rw-r--r--arch/arm64/mm/dump.c1
-rw-r--r--arch/avr32/kernel/module.c13
-rw-r--r--arch/cris/kernel/module.c2
-rw-r--r--arch/ia64/kernel/module.c6
-rw-r--r--arch/mips/net/bpf_jit.c2
-rw-r--r--arch/nios2/kernel/module.c2
-rw-r--r--arch/nios2/kernel/signal.c2
-rw-r--r--arch/parisc/kernel/module.c6
-rw-r--r--arch/powerpc/crypto/sha1.c1
-rw-r--r--arch/powerpc/net/bpf_jit_comp.c2
-rw-r--r--arch/s390/kernel/module.c10
-rw-r--r--arch/s390/net/bpf_jit.S28
-rw-r--r--arch/s390/net/bpf_jit_comp.c9
-rw-r--r--arch/sparc/net/bpf_jit_comp.c4
-rw-r--r--arch/tile/kernel/module.c4
-rw-r--r--arch/x86/crypto/sha-mb/sha1_mb.c2
-rw-r--r--arch/x86/kernel/ftrace.c2
22 files changed, 60 insertions, 69 deletions
diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
index 4176df721bf0..1a0045abead7 100644
--- a/arch/arm/kernel/entry-header.S
+++ b/arch/arm/kernel/entry-header.S
@@ -253,21 +253,22 @@
.endm
.macro restore_user_regs, fast = 0, offset = 0
- ldr r1, [sp, #\offset + S_PSR] @ get calling cpsr
- ldr lr, [sp, #\offset + S_PC]! @ get pc
+ mov r2, sp
+ ldr r1, [r2, #\offset + S_PSR] @ get calling cpsr
+ ldr lr, [r2, #\offset + S_PC]! @ get pc
msr spsr_cxsf, r1 @ save in spsr_svc
#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_32v6K)
@ We must avoid clrex due to Cortex-A15 erratum #830321
- strex r1, r2, [sp] @ clear the exclusive monitor
+ strex r1, r2, [r2] @ clear the exclusive monitor
#endif
.if \fast
- ldmdb sp, {r1 - lr}^ @ get calling r1 - lr
+ ldmdb r2, {r1 - lr}^ @ get calling r1 - lr
.else
- ldmdb sp, {r0 - lr}^ @ get calling r0 - lr
+ ldmdb r2, {r0 - lr}^ @ get calling r0 - lr
.endif
mov r0, r0 @ ARMv5T and earlier require a nop
@ after ldm {}^
- add sp, sp, #S_FRAME_SIZE - S_PC
+ add sp, sp, #\offset + S_FRAME_SIZE
movs pc, lr @ return & move spsr_svc into cpsr
.endm
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index f7c65adaa428..557e128e4df0 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -116,8 +116,14 @@ int armpmu_event_set_period(struct perf_event *event)
ret = 1;
}
- if (left > (s64)armpmu->max_period)
- left = armpmu->max_period;
+ /*
+ * Limit the maximum period to prevent the counter value
+ * from overtaking the one we are about to program. In
+ * effect we are reducing max_period to account for
+ * interrupt latency (and we are being very conservative).
+ */
+ if (left > (armpmu->max_period >> 1))
+ left = armpmu->max_period >> 1;
local64_set(&hwc->prev_count, (u64)-left);
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 715ae19bc7c8..e55408e96559 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -657,10 +657,13 @@ int __init arm_add_memory(u64 start, u64 size)
/*
* Ensure that start/size are aligned to a page boundary.
- * Size is appropriately rounded down, start is rounded up.
+ * Size is rounded down, start is rounded up.
*/
- size -= start & ~PAGE_MASK;
aligned_start = PAGE_ALIGN(start);
+ if (aligned_start > start + size)
+ size = 0;
+ else
+ size -= aligned_start - start;
#ifndef CONFIG_ARCH_PHYS_ADDR_T_64BIT
if (aligned_start > ULONG_MAX) {
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 1c43cec971b5..066688863920 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -85,6 +85,7 @@ vdso_install:
# We use MRPROPER_FILES and CLEAN_FILES now
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
+ $(Q)$(MAKE) $(clean)=$(boot)/dts
define archhelp
echo '* Image.gz - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)'
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 3b8d427c3985..c62b0f4d9ef6 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -3,6 +3,4 @@ dts-dirs += apm
dts-dirs += arm
dts-dirs += cavium
-always := $(dtb-y)
subdir-y := $(dts-dirs)
-clean-files := *.dtb
diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c
index cf33f33333cc..d54dc9ac4b70 100644
--- a/arch/arm64/mm/dump.c
+++ b/arch/arm64/mm/dump.c
@@ -15,6 +15,7 @@
*/
#include <linux/debugfs.h>
#include <linux/fs.h>
+#include <linux/io.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
diff --git a/arch/avr32/kernel/module.c b/arch/avr32/kernel/module.c
index 2c9412908024..164efa009e5b 100644
--- a/arch/avr32/kernel/module.c
+++ b/arch/avr32/kernel/module.c
@@ -19,12 +19,10 @@
#include <linux/moduleloader.h>
#include <linux/vmalloc.h>
-void module_free(struct module *mod, void *module_region)
+void module_arch_freeing_init(struct module *mod)
{
vfree(mod->arch.syminfo);
mod->arch.syminfo = NULL;
-
- vfree(module_region);
}
static inline int check_rela(Elf32_Rela *rela, struct module *module,
@@ -291,12 +289,3 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
return ret;
}
-
-int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
- struct module *module)
-{
- vfree(module->arch.syminfo);
- module->arch.syminfo = NULL;
-
- return 0;
-}
diff --git a/arch/cris/kernel/module.c b/arch/cris/kernel/module.c
index 51123f985eb5..af04cb6b6dc9 100644
--- a/arch/cris/kernel/module.c
+++ b/arch/cris/kernel/module.c
@@ -36,7 +36,7 @@ void *module_alloc(unsigned long size)
}
/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
+void module_memfree(void *module_region)
{
kfree(module_region);
}
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 24603be24c14..29754aae5177 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -305,14 +305,12 @@ plt_target (struct plt_entry *plt)
#endif /* !USE_BRL */
void
-module_free (struct module *mod, void *module_region)
+module_arch_freeing_init (struct module *mod)
{
- if (mod && mod->arch.init_unw_table &&
- module_region == mod->module_init) {
+ if (mod->arch.init_unw_table) {
unw_remove_unwind_table(mod->arch.init_unw_table);
mod->arch.init_unw_table = NULL;
}
- vfree(module_region);
}
/* Have we already seen one of these relocations? */
diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c
index 9fd6834a2172..5d6139390bf8 100644
--- a/arch/mips/net/bpf_jit.c
+++ b/arch/mips/net/bpf_jit.c
@@ -1388,7 +1388,7 @@ out:
void bpf_jit_free(struct bpf_prog *fp)
{
if (fp->jited)
- module_free(NULL, fp->bpf_func);
+ module_memfree(fp->bpf_func);
bpf_prog_unlock_free(fp);
}
diff --git a/arch/nios2/kernel/module.c b/arch/nios2/kernel/module.c
index cc924a38f22a..e2e3f13f98d5 100644
--- a/arch/nios2/kernel/module.c
+++ b/arch/nios2/kernel/module.c
@@ -36,7 +36,7 @@ void *module_alloc(unsigned long size)
}
/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
+void module_memfree(void *module_region)
{
kfree(module_region);
}
diff --git a/arch/nios2/kernel/signal.c b/arch/nios2/kernel/signal.c
index f9d27883a714..2d0ea25be171 100644
--- a/arch/nios2/kernel/signal.c
+++ b/arch/nios2/kernel/signal.c
@@ -200,7 +200,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
/* Set up to return from userspace; jump to fixed address sigreturn
trampoline on kuser page. */
- regs->ra = (unsigned long) (0x1040);
+ regs->ra = (unsigned long) (0x1044);
/* Set up registers for signal handler */
regs->sp = (unsigned long) frame;
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index 50dfafc3f2c1..5822e8e200e6 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -298,14 +298,10 @@ static inline unsigned long count_stubs(const Elf_Rela *rela, unsigned long n)
}
#endif
-
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
+void module_arch_freeing_init(struct module *mod)
{
kfree(mod->arch.section);
mod->arch.section = NULL;
-
- vfree(module_region);
}
/* Additional bytes needed in front of individual sections */
diff --git a/arch/powerpc/crypto/sha1.c b/arch/powerpc/crypto/sha1.c
index d3feba5a275f..c154cebc1041 100644
--- a/arch/powerpc/crypto/sha1.c
+++ b/arch/powerpc/crypto/sha1.c
@@ -154,4 +154,5 @@ module_exit(sha1_powerpc_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");
+MODULE_ALIAS_CRYPTO("sha1");
MODULE_ALIAS_CRYPTO("sha1-powerpc");
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index 1ca125b9c226..d1916b577f2c 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -699,7 +699,7 @@ out:
void bpf_jit_free(struct bpf_prog *fp)
{
if (fp->jited)
- module_free(NULL, fp->bpf_func);
+ module_memfree(fp->bpf_func);
bpf_prog_unlock_free(fp);
}
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index b89b59158b95..409d152585be 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -55,14 +55,10 @@ void *module_alloc(unsigned long size)
}
#endif
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
+void module_arch_freeing_init(struct module *mod)
{
- if (mod) {
- vfree(mod->arch.syminfo);
- mod->arch.syminfo = NULL;
- }
- vfree(module_region);
+ vfree(mod->arch.syminfo);
+ mod->arch.syminfo = NULL;
}
static void check_rela(Elf_Rela *rela, struct module *me)
diff --git a/arch/s390/net/bpf_jit.S b/arch/s390/net/bpf_jit.S
index 7e45d13816c1..ba44c9f55346 100644
--- a/arch/s390/net/bpf_jit.S
+++ b/arch/s390/net/bpf_jit.S
@@ -22,8 +22,8 @@
* skb_copy_bits takes 4 parameters:
* %r2 = skb pointer
* %r3 = offset into skb data
- * %r4 = length to copy
- * %r5 = pointer to temp buffer
+ * %r4 = pointer to temp buffer
+ * %r5 = length to copy
*/
#define SKBDATA %r8
@@ -44,8 +44,9 @@ ENTRY(sk_load_word)
sk_load_word_slow:
lgr %r9,%r2 # save %r2
- lhi %r4,4 # 4 bytes
- la %r5,160(%r15) # pointer to temp buffer
+ lgr %r3,%r1 # offset
+ la %r4,160(%r15) # pointer to temp buffer
+ lghi %r5,4 # 4 bytes
brasl %r14,skb_copy_bits # get data from skb
l %r5,160(%r15) # load result from temp buffer
ltgr %r2,%r2 # set cc to (%r2 != 0)
@@ -69,8 +70,9 @@ ENTRY(sk_load_half)
sk_load_half_slow:
lgr %r9,%r2 # save %r2
- lhi %r4,2 # 2 bytes
- la %r5,162(%r15) # pointer to temp buffer
+ lgr %r3,%r1 # offset
+ la %r4,162(%r15) # pointer to temp buffer
+ lghi %r5,2 # 2 bytes
brasl %r14,skb_copy_bits # get data from skb
xc 160(2,%r15),160(%r15)
l %r5,160(%r15) # load result from temp buffer
@@ -95,8 +97,9 @@ ENTRY(sk_load_byte)
sk_load_byte_slow:
lgr %r9,%r2 # save %r2
- lhi %r4,1 # 1 bytes
- la %r5,163(%r15) # pointer to temp buffer
+ lgr %r3,%r1 # offset
+ la %r4,163(%r15) # pointer to temp buffer
+ lghi %r5,1 # 1 byte
brasl %r14,skb_copy_bits # get data from skb
xc 160(3,%r15),160(%r15)
l %r5,160(%r15) # load result from temp buffer
@@ -104,11 +107,11 @@ sk_load_byte_slow:
lgr %r2,%r9 # restore %r2
br %r8
- /* A = (*(u8 *)(skb->data+K) & 0xf) << 2 */
+ /* X = (*(u8 *)(skb->data+K) & 0xf) << 2 */
ENTRY(sk_load_byte_msh)
llgfr %r1,%r3 # extend offset
clr %r11,%r3 # hlen < offset ?
- jle sk_load_byte_slow
+ jle sk_load_byte_msh_slow
lhi %r12,0
ic %r12,0(%r1,%r10) # get byte from skb
nill %r12,0x0f
@@ -118,8 +121,9 @@ ENTRY(sk_load_byte_msh)
sk_load_byte_msh_slow:
lgr %r9,%r2 # save %r2
- lhi %r4,2 # 2 bytes
- la %r5,162(%r15) # pointer to temp buffer
+ lgr %r3,%r1 # offset
+ la %r4,163(%r15) # pointer to temp buffer
+ lghi %r5,1 # 1 byte
brasl %r14,skb_copy_bits # get data from skb
xc 160(3,%r15),160(%r15)
l %r12,160(%r15) # load result from temp buffer
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 524496d47ef5..bbd1981cc150 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -448,15 +448,12 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter,
mask = 0x800000; /* je */
kbranch: /* Emit compare if the branch targets are different */
if (filter->jt != filter->jf) {
- if (K <= 16383)
- /* chi %r5,<K> */
- EMIT4_IMM(0xa75e0000, K);
- else if (test_facility(21))
+ if (test_facility(21))
/* clfi %r5,<K> */
EMIT6_IMM(0xc25f0000, K);
else
- /* c %r5,<d(K)>(%r13) */
- EMIT4_DISP(0x5950d000, EMIT_CONST(K));
+ /* cl %r5,<d(K)>(%r13) */
+ EMIT4_DISP(0x5550d000, EMIT_CONST(K));
}
branch: if (filter->jt == filter->jf) {
if (filter->jt == 0)
diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c
index f33e7c7a3bf7..7931eeeb649a 100644
--- a/arch/sparc/net/bpf_jit_comp.c
+++ b/arch/sparc/net/bpf_jit_comp.c
@@ -776,7 +776,7 @@ cond_branch: f_offset = addrs[i + filter[i].jf];
if (unlikely(proglen + ilen > oldproglen)) {
pr_err("bpb_jit_compile fatal error\n");
kfree(addrs);
- module_free(NULL, image);
+ module_memfree(image);
return;
}
memcpy(image + proglen, temp, ilen);
@@ -822,7 +822,7 @@ out:
void bpf_jit_free(struct bpf_prog *fp)
{
if (fp->jited)
- module_free(NULL, fp->bpf_func);
+ module_memfree(fp->bpf_func);
bpf_prog_unlock_free(fp);
}
diff --git a/arch/tile/kernel/module.c b/arch/tile/kernel/module.c
index 96447c9160a0..2305084c9b93 100644
--- a/arch/tile/kernel/module.c
+++ b/arch/tile/kernel/module.c
@@ -74,7 +74,7 @@ error:
/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
+void module_memfree(void *module_region)
{
vfree(module_region);
@@ -83,7 +83,7 @@ void module_free(struct module *mod, void *module_region)
0, 0, 0, NULL, NULL, 0);
/*
- * FIXME: If module_region == mod->module_init, trim exception
+ * FIXME: Add module_arch_freeing_init to trim exception
* table entries.
*/
}
diff --git a/arch/x86/crypto/sha-mb/sha1_mb.c b/arch/x86/crypto/sha-mb/sha1_mb.c
index a225a5ca1037..fd9f6b035b16 100644
--- a/arch/x86/crypto/sha-mb/sha1_mb.c
+++ b/arch/x86/crypto/sha-mb/sha1_mb.c
@@ -931,4 +931,4 @@ module_exit(sha1_mb_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, multi buffer accelerated");
-MODULE_ALIAS("sha1");
+MODULE_ALIAS_CRYPTO("sha1");
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 2142376dc8c6..8b7b0a51e742 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -674,7 +674,7 @@ static inline void *alloc_tramp(unsigned long size)
}
static inline void tramp_free(void *tramp)
{
- module_free(NULL, tramp);
+ module_memfree(tramp);
}
#else
/* Trampolines can only be created if modules are supported */