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-rw-r--r--arch/arm/kernel/entry-armv.S1
-rw-r--r--arch/arm/mach-imx/gpc.c6
-rw-r--r--arch/arm/mm/mmu.c21
-rw-r--r--arch/arm64/kernel/sleep.S10
-rw-r--r--arch/arm64/mm/dump.c6
-rw-r--r--arch/arm64/mm/numa.c2
-rw-r--r--arch/parisc/include/uapi/asm/errno.h4
-rw-r--r--arch/parisc/kernel/processor.c8
-rw-r--r--arch/parisc/kernel/time.c12
-rw-r--r--arch/s390/boot/compressed/head.S11
-rw-r--r--arch/s390/configs/default_defconfig2
-rw-r--r--arch/s390/configs/gcov_defconfig2
-rw-r--r--arch/s390/configs/performance_defconfig2
-rw-r--r--arch/s390/crypto/crc32-vx.c6
-rw-r--r--arch/s390/defconfig2
-rw-r--r--arch/s390/kernel/head.S4
-rw-r--r--arch/s390/lib/string.c16
-rw-r--r--arch/s390/mm/pageattr.c2
-rw-r--r--arch/x86/power/hibernate_64.c2
19 files changed, 67 insertions, 52 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index bc5f507..9f157e7 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -295,6 +295,7 @@ __und_svc_fault:
bl __und_fault
__und_svc_finish:
+ get_thread_info tsk
ldr r5, [sp, #S_PSR] @ Get SVC cpsr
svc_exit r5 @ return from exception
UNWIND(.fnend )
diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index fd87205..0df062d 100644
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -271,6 +271,12 @@ static int __init imx_gpc_init(struct device_node *node,
for (i = 0; i < IMR_NUM; i++)
writel_relaxed(~0, gpc_base + GPC_IMR1 + i * 4);
+ /*
+ * Clear the OF_POPULATED flag set in of_irq_init so that
+ * later the GPC power domain driver will not be skipped.
+ */
+ of_node_clear_flag(node, OF_POPULATED);
+
return 0;
}
IRQCHIP_DECLARE(imx_gpc, "fsl,imx6q-gpc", imx_gpc_init);
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 62f4d01..6344913 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -728,7 +728,8 @@ static void *__init late_alloc(unsigned long sz)
{
void *ptr = (void *)__get_free_pages(PGALLOC_GFP, get_order(sz));
- BUG_ON(!ptr);
+ if (!ptr || !pgtable_page_ctor(virt_to_page(ptr)))
+ BUG();
return ptr;
}
@@ -1155,10 +1156,19 @@ void __init sanity_check_meminfo(void)
{
phys_addr_t memblock_limit = 0;
int highmem = 0;
- phys_addr_t vmalloc_limit = __pa(vmalloc_min - 1) + 1;
+ u64 vmalloc_limit;
struct memblock_region *reg;
bool should_use_highmem = false;
+ /*
+ * Let's use our own (unoptimized) equivalent of __pa() that is
+ * not affected by wrap-arounds when sizeof(phys_addr_t) == 4.
+ * The result is used as the upper bound on physical memory address
+ * and may itself be outside the valid range for which phys_addr_t
+ * and therefore __pa() is defined.
+ */
+ vmalloc_limit = (u64)(uintptr_t)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET;
+
for_each_memblock(memory, reg) {
phys_addr_t block_start = reg->base;
phys_addr_t block_end = reg->base + reg->size;
@@ -1183,10 +1193,11 @@ void __init sanity_check_meminfo(void)
if (reg->size > size_limit) {
phys_addr_t overlap_size = reg->size - size_limit;
- pr_notice("Truncating RAM at %pa-%pa to -%pa",
- &block_start, &block_end, &vmalloc_limit);
- memblock_remove(vmalloc_limit, overlap_size);
+ pr_notice("Truncating RAM at %pa-%pa",
+ &block_start, &block_end);
block_end = vmalloc_limit;
+ pr_cont(" to -%pa", &block_end);
+ memblock_remove(vmalloc_limit, overlap_size);
should_use_highmem = true;
}
}
diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index 9a3aec9..ccf79d8 100644
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -101,12 +101,20 @@ ENTRY(cpu_resume)
bl el2_setup // if in EL2 drop to EL1 cleanly
/* enable the MMU early - so we can access sleep_save_stash by va */
adr_l lr, __enable_mmu /* __cpu_setup will return here */
- ldr x27, =_cpu_resume /* __enable_mmu will branch here */
+ adr_l x27, _resume_switched /* __enable_mmu will branch here */
adrp x25, idmap_pg_dir
adrp x26, swapper_pg_dir
b __cpu_setup
ENDPROC(cpu_resume)
+ .pushsection ".idmap.text", "ax"
+_resume_switched:
+ ldr x8, =_cpu_resume
+ br x8
+ENDPROC(_resume_switched)
+ .ltorg
+ .popsection
+
ENTRY(_cpu_resume)
mrs x1, mpidr_el1
adrp x8, mpidr_hash
diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c
index f94b80e..9c3e75d 100644
--- a/arch/arm64/mm/dump.c
+++ b/arch/arm64/mm/dump.c
@@ -242,7 +242,7 @@ static void note_page(struct pg_state *st, unsigned long addr, unsigned level,
static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start)
{
- pte_t *pte = pte_offset_kernel(pmd, 0);
+ pte_t *pte = pte_offset_kernel(pmd, 0UL);
unsigned long addr;
unsigned i;
@@ -254,7 +254,7 @@ static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start)
static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
{
- pmd_t *pmd = pmd_offset(pud, 0);
+ pmd_t *pmd = pmd_offset(pud, 0UL);
unsigned long addr;
unsigned i;
@@ -271,7 +271,7 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start)
{
- pud_t *pud = pud_offset(pgd, 0);
+ pud_t *pud = pud_offset(pgd, 0UL);
unsigned long addr;
unsigned i;
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index c7fe3ec..5bb15ea 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -23,6 +23,8 @@
#include <linux/module.h>
#include <linux/of.h>
+#include <asm/acpi.h>
+
struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL(node_data);
nodemask_t numa_nodes_parsed __initdata;
diff --git a/arch/parisc/include/uapi/asm/errno.h b/arch/parisc/include/uapi/asm/errno.h
index c0ae625..274d5bc 100644
--- a/arch/parisc/include/uapi/asm/errno.h
+++ b/arch/parisc/include/uapi/asm/errno.h
@@ -97,10 +97,10 @@
#define ENOTCONN 235 /* Transport endpoint is not connected */
#define ESHUTDOWN 236 /* Cannot send after transport endpoint shutdown */
#define ETOOMANYREFS 237 /* Too many references: cannot splice */
-#define EREFUSED ECONNREFUSED /* for HP's NFS apparently */
#define ETIMEDOUT 238 /* Connection timed out */
#define ECONNREFUSED 239 /* Connection refused */
-#define EREMOTERELEASE 240 /* Remote peer released connection */
+#define EREFUSED ECONNREFUSED /* for HP's NFS apparently */
+#define EREMOTERELEASE 240 /* Remote peer released connection */
#define EHOSTDOWN 241 /* Host is down */
#define EHOSTUNREACH 242 /* No route to host */
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index 5adc339..0c2a94a 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -51,8 +51,6 @@ EXPORT_SYMBOL(_parisc_requires_coherency);
DEFINE_PER_CPU(struct cpuinfo_parisc, cpu_data);
-extern int update_cr16_clocksource(void); /* from time.c */
-
/*
** PARISC CPU driver - claim "device" and initialize CPU data structures.
**
@@ -228,12 +226,6 @@ static int processor_probe(struct parisc_device *dev)
}
#endif
- /* If we've registered more than one cpu,
- * we'll use the jiffies clocksource since cr16
- * is not synchronized between CPUs.
- */
- update_cr16_clocksource();
-
return 0;
}
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 505cf1a..4b0b963 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -221,18 +221,6 @@ static struct clocksource clocksource_cr16 = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
-int update_cr16_clocksource(void)
-{
- /* since the cr16 cycle counters are not synchronized across CPUs,
- we'll check if we should switch to a safe clocksource: */
- if (clocksource_cr16.rating != 0 && num_online_cpus() > 1) {
- clocksource_change_rating(&clocksource_cr16, 0);
- return 1;
- }
-
- return 0;
-}
-
void __init start_cpu_itimer(void)
{
unsigned int cpu = smp_processor_id();
diff --git a/arch/s390/boot/compressed/head.S b/arch/s390/boot/compressed/head.S
index f86a4ee..28c4f96 100644
--- a/arch/s390/boot/compressed/head.S
+++ b/arch/s390/boot/compressed/head.S
@@ -21,16 +21,21 @@ ENTRY(startup_continue)
lg %r15,.Lstack-.LPG1(%r13)
aghi %r15,-160
brasl %r14,decompress_kernel
- # setup registers for memory mover & branch to target
+ # Set up registers for memory mover. We move the decompressed image to
+ # 0x11000, starting at offset 0x11000 in the decompressed image so
+ # that code living at 0x11000 in the image will end up at 0x11000 in
+ # memory.
lgr %r4,%r2
lg %r2,.Loffset-.LPG1(%r13)
la %r4,0(%r2,%r4)
lg %r3,.Lmvsize-.LPG1(%r13)
lgr %r5,%r3
- # move the memory mover someplace safe
+ # Move the memory mover someplace safe so it doesn't overwrite itself.
la %r1,0x200
mvc 0(mover_end-mover,%r1),mover-.LPG1(%r13)
- # decompress image is started at 0x11000
+ # When the memory mover is done we pass control to
+ # arch/s390/kernel/head64.S:startup_continue which lives at 0x11000 in
+ # the decompressed image.
lgr %r6,%r2
br %r1
mover:
diff --git a/arch/s390/configs/default_defconfig b/arch/s390/configs/default_defconfig
index 889ea34..26e0c7f 100644
--- a/arch/s390/configs/default_defconfig
+++ b/arch/s390/configs/default_defconfig
@@ -678,7 +678,7 @@ CONFIG_CRYPTO_SHA512_S390=m
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
-CONFIG_CRYPTO_CRC32_S390=m
+CONFIG_CRYPTO_CRC32_S390=y
CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m
CONFIG_X509_CERTIFICATE_PARSER=m
diff --git a/arch/s390/configs/gcov_defconfig b/arch/s390/configs/gcov_defconfig
index 1bcfd76..24879da 100644
--- a/arch/s390/configs/gcov_defconfig
+++ b/arch/s390/configs/gcov_defconfig
@@ -616,7 +616,7 @@ CONFIG_CRYPTO_SHA512_S390=m
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
-CONFIG_CRYPTO_CRC32_S390=m
+CONFIG_CRYPTO_CRC32_S390=y
CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m
CONFIG_X509_CERTIFICATE_PARSER=m
diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig
index 13ff090..a5c1e5f 100644
--- a/arch/s390/configs/performance_defconfig
+++ b/arch/s390/configs/performance_defconfig
@@ -615,7 +615,7 @@ CONFIG_CRYPTO_SHA512_S390=m
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
-CONFIG_CRYPTO_CRC32_S390=m
+CONFIG_CRYPTO_CRC32_S390=y
CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m
CONFIG_X509_CERTIFICATE_PARSER=m
diff --git a/arch/s390/crypto/crc32-vx.c b/arch/s390/crypto/crc32-vx.c
index 577ae1d..2bad9d8 100644
--- a/arch/s390/crypto/crc32-vx.c
+++ b/arch/s390/crypto/crc32-vx.c
@@ -51,6 +51,9 @@ u32 crc32c_le_vgfm_16(u32 crc, unsigned char const *buf, size_t size);
struct kernel_fpu vxstate; \
unsigned long prealign, aligned, remaining; \
\
+ if (datalen < VX_MIN_LEN + VX_ALIGN_MASK) \
+ return ___crc32_sw(crc, data, datalen); \
+ \
if ((unsigned long)data & VX_ALIGN_MASK) { \
prealign = VX_ALIGNMENT - \
((unsigned long)data & VX_ALIGN_MASK); \
@@ -59,9 +62,6 @@ u32 crc32c_le_vgfm_16(u32 crc, unsigned char const *buf, size_t size);
data = (void *)((unsigned long)data + prealign); \
} \
\
- if (datalen < VX_MIN_LEN) \
- return ___crc32_sw(crc, data, datalen); \
- \
aligned = datalen & ~VX_ALIGN_MASK; \
remaining = datalen & VX_ALIGN_MASK; \
\
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index ccccebe..73610f2 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -234,7 +234,7 @@ CONFIG_CRYPTO_SHA256_S390=m
CONFIG_CRYPTO_SHA512_S390=m
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
-CONFIG_CRYPTO_CRC32_S390=m
+CONFIG_CRYPTO_CRC32_S390=y
CONFIG_CRC7=m
# CONFIG_XZ_DEC_X86 is not set
# CONFIG_XZ_DEC_POWERPC is not set
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index 56e4d82..4431905 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -309,7 +309,9 @@ ENTRY(startup_kdump)
l %r15,.Lstack-.LPG0(%r13)
ahi %r15,-STACK_FRAME_OVERHEAD
brasl %r14,verify_facilities
- /* Continue with startup code in head64.S */
+# For uncompressed images, continue in
+# arch/s390/kernel/head64.S. For compressed images, continue in
+# arch/s390/boot/compressed/head.S.
jg startup_continue
.Lstack:
diff --git a/arch/s390/lib/string.c b/arch/s390/lib/string.c
index e390bbb..48352bf 100644
--- a/arch/s390/lib/string.c
+++ b/arch/s390/lib/string.c
@@ -237,11 +237,10 @@ char * strrchr(const char * s, int c)
EXPORT_SYMBOL(strrchr);
static inline int clcle(const char *s1, unsigned long l1,
- const char *s2, unsigned long l2,
- int *diff)
+ const char *s2, unsigned long l2)
{
register unsigned long r2 asm("2") = (unsigned long) s1;
- register unsigned long r3 asm("3") = (unsigned long) l2;
+ register unsigned long r3 asm("3") = (unsigned long) l1;
register unsigned long r4 asm("4") = (unsigned long) s2;
register unsigned long r5 asm("5") = (unsigned long) l2;
int cc;
@@ -252,7 +251,6 @@ static inline int clcle(const char *s1, unsigned long l1,
" srl %0,28"
: "=&d" (cc), "+a" (r2), "+a" (r3),
"+a" (r4), "+a" (r5) : : "cc");
- *diff = *(char *)r2 - *(char *)r4;
return cc;
}
@@ -270,9 +268,9 @@ char * strstr(const char * s1,const char * s2)
return (char *) s1;
l1 = __strend(s1) - s1;
while (l1-- >= l2) {
- int cc, dummy;
+ int cc;
- cc = clcle(s1, l1, s2, l2, &dummy);
+ cc = clcle(s1, l2, s2, l2);
if (!cc)
return (char *) s1;
s1++;
@@ -313,11 +311,11 @@ EXPORT_SYMBOL(memchr);
*/
int memcmp(const void *cs, const void *ct, size_t n)
{
- int ret, diff;
+ int ret;
- ret = clcle(cs, n, ct, n, &diff);
+ ret = clcle(cs, n, ct, n);
if (ret)
- ret = diff;
+ ret = ret == 1 ? -1 : 1;
return ret;
}
EXPORT_SYMBOL(memcmp);
diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c
index 7104ffb..af7cf28c 100644
--- a/arch/s390/mm/pageattr.c
+++ b/arch/s390/mm/pageattr.c
@@ -252,6 +252,8 @@ static int change_page_attr(unsigned long addr, unsigned long end,
int rc = -EINVAL;
pgd_t *pgdp;
+ if (addr == end)
+ return 0;
if (end >= MODULES_END)
return -EINVAL;
mutex_lock(&cpa_mutex);
diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c
index a3e3ccc..9634557 100644
--- a/arch/x86/power/hibernate_64.c
+++ b/arch/x86/power/hibernate_64.c
@@ -113,7 +113,7 @@ static int set_up_temporary_mappings(void)
return result;
}
- temp_level4_pgt = (unsigned long)pgd - __PAGE_OFFSET;
+ temp_level4_pgt = __pa(pgd);
return 0;
}
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