9 files changed, 42 insertions, 33 deletions

diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c
index 6b0a2b6fed6a..0974c0ecc594 100644
--- a/arch/frv/kernel/signal.c
+++ b/arch/frv/kernel/signal.c
@@ -527,7 +527,7 @@ static void do_signal(void)
 
 no_signal:
         /* Did we come from a system call? */
-        if (__frame->syscallno >= 0) {
+        if (__frame->syscallno != -1) {
                 /* Restart the system call - no handlers present */
                 switch (__frame->gr8) {
                 case -ERESTARTNOHAND:
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index b940424f8ccc..0dc7e3cbeffa 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -37,7 +37,6 @@ config SUPERH32
         select HAVE_FTRACE_MCOUNT_RECORD
         select HAVE_DYNAMIC_FTRACE
         select HAVE_FUNCTION_TRACE_MCOUNT_TEST
-        select HAVE_FTRACE_SYSCALLS
         select HAVE_FUNCTION_GRAPH_TRACER
         select HAVE_ARCH_KGDB
         select ARCH_HIBERNATION_POSSIBLE if MMU
diff --git a/arch/sh/boards/mach-landisk/gio.c b/arch/sh/boards/mach-landisk/gio.c
index 25cdf7358000..528013188196 100644
--- a/arch/sh/boards/mach-landisk/gio.c
+++ b/arch/sh/boards/mach-landisk/gio.c
@@ -14,7 +14,6 @@
  */
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/smp_lock.h>
 #include <linux/kdev_t.h>
 #include <linux/cdev.h>
 #include <linux/fs.h>
@@ -35,7 +34,7 @@ static int gio_open(struct inode *inode, struct file *filp)
         int minor;
         int ret = -ENOENT;
 
-        lock_kernel();
+        preempt_disable();
         minor = MINOR(inode->i_rdev);
         if (minor < DEVCOUNT) {
                 if (openCnt > 0) {
@@ -45,7 +44,7 @@ static int gio_open(struct inode *inode, struct file *filp)
                         ret = 0;
                 }
         }
-        unlock_kernel();
+        preempt_enable();
         return ret;
 }
 
@@ -60,8 +59,7 @@ static int gio_close(struct inode *inode, struct file *filp)
         return 0;
 }
 
-static int gio_ioctl(struct inode *inode, struct file *filp,
-                             unsigned int cmd, unsigned long arg)
+static long gio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
         unsigned int data;
         static unsigned int addr = 0;
@@ -129,7 +127,7 @@ static const struct file_operations gio_fops = {
         .owner = THIS_MODULE,
         .open = gio_open,       /* open */
         .release = gio_close,   /* release */
-        .ioctl = gio_ioctl,     /* ioctl */
+        .unlocked_ioctl = gio_ioctl,
 };
 
 static int __init gio_init(void)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index a98c7d8984fa..519e2d16cd06 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -26,7 +26,7 @@
 #define MAX_DCACHE_PAGES        64      /* XXX: Tune for ways */
 #define MAX_ICACHE_PAGES        32
 
-static void __flush_cache_4096(unsigned long addr, unsigned long phys,
+static void __flush_cache_one(unsigned long addr, unsigned long phys,
                                unsigned long exec_offset);
 
 /*
@@ -89,8 +89,7 @@ static void __uses_jump_to_uncached sh4_flush_icache_range(void *args)
         local_irq_restore(flags);
 }
 
-static inline void flush_cache_4096(unsigned long start,
-                                    unsigned long phys)
+static inline void flush_cache_one(unsigned long start, unsigned long phys)
 {
         unsigned long flags, exec_offset = 0;
 
@@ -103,8 +102,7 @@ static inline void flush_cache_4096(unsigned long start,
                 exec_offset = 0x20000000;
 
         local_irq_save(flags);
-        __flush_cache_4096(start | SH_CACHE_ASSOC,
-                           P1SEGADDR(phys), exec_offset);
+        __flush_cache_one(start | SH_CACHE_ASSOC, P1SEGADDR(phys), exec_offset);
         local_irq_restore(flags);
 }
 
@@ -129,8 +127,8 @@ static void sh4_flush_dcache_page(void *arg)
 
                 /* Loop all the D-cache */
                 n = boot_cpu_data.dcache.n_aliases;
-                for (i = 0; i < n; i++, addr += 4096)
-                        flush_cache_4096(addr, phys);
+                for (i = 0; i < n; i++, addr += PAGE_SIZE)
+                        flush_cache_one(addr, phys);
         }
 
         wmb();
@@ -318,11 +316,11 @@ static void sh4_flush_cache_page(void *args)
         /* We only need to flush D-cache when we have alias */
         if ((address^phys) & alias_mask) {
                 /* Loop 4K of the D-cache */
-                flush_cache_4096(
+                flush_cache_one(
                         CACHE_OC_ADDRESS_ARRAY | (address & alias_mask),
                         phys);
                 /* Loop another 4K of the D-cache */
-                flush_cache_4096(
+                flush_cache_one(
                         CACHE_OC_ADDRESS_ARRAY | (phys & alias_mask),
                         phys);
         }
@@ -337,7 +335,7 @@ static void sh4_flush_cache_page(void *args)
                  * kernel has never executed the code through its identity
                  * translation.
                  */
-                flush_cache_4096(
+                flush_cache_one(
                         CACHE_IC_ADDRESS_ARRAY | (address & alias_mask),
                         phys);
         }
@@ -393,7 +391,7 @@ static void sh4_flush_cache_range(void *args)
 }
 
 /**
- * __flush_cache_4096
+ * __flush_cache_one
  *
  * @addr:  address in memory mapped cache array
  * @phys:  P1 address to flush (has to match tags if addr has 'A' bit
@@ -406,7 +404,7 @@ static void sh4_flush_cache_range(void *args)
  * operation (purge/write-back) is selected by the lower 2 bits of
  * 'phys'.
  */
-static void __flush_cache_4096(unsigned long addr, unsigned long phys,
+static void __flush_cache_one(unsigned long addr, unsigned long phys,
                                unsigned long exec_offset)
 {
         int way_count;
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 5e1091be9dc4..a2dc7f9ecc51 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -265,6 +265,8 @@ static void __init emit_cache_params(void)
 
 void __init cpu_cache_init(void)
 {
+        unsigned int cache_disabled = !(__raw_readl(CCR) & CCR_CACHE_ENABLE);
+
         compute_alias(&boot_cpu_data.icache);
         compute_alias(&boot_cpu_data.dcache);
         compute_alias(&boot_cpu_data.scache);
@@ -273,6 +275,13 @@ void __init cpu_cache_init(void)
         __flush_purge_region            = noop__flush_region;
         __flush_invalidate_region       = noop__flush_region;
 
+        /*
+         * No flushing is necessary in the disabled cache case so we can
+         * just keep the noop functions in local_flush_..() and __flush_..()
+         */
+        if (unlikely(cache_disabled))
+                goto skip;
+
         if (boot_cpu_data.family == CPU_FAMILY_SH2) {
                 extern void __weak sh2_cache_init(void);
 
@@ -312,5 +321,6 @@ void __init cpu_cache_init(void)
                 sh5_cache_init();
         }
 
+skip:
         emit_cache_params();
 }
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index 585edebe12cf..49c552c060e9 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -82,7 +82,7 @@ static int aes_set_key_common(struct crypto_tfm *tfm, void *raw_ctx,
                 return -EINVAL;
         }
 
-        if (irq_fpu_usable())
+        if (!irq_fpu_usable())
                 err = crypto_aes_expand_key(ctx, in_key, key_len);
         else {
                 kernel_fpu_begin();
@@ -103,7 +103,7 @@ static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
 {
         struct crypto_aes_ctx *ctx = aes_ctx(crypto_tfm_ctx(tfm));
 
-        if (irq_fpu_usable())
+        if (!irq_fpu_usable())
                 crypto_aes_encrypt_x86(ctx, dst, src);
         else {
                 kernel_fpu_begin();
@@ -116,7 +116,7 @@ static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
 {
         struct crypto_aes_ctx *ctx = aes_ctx(crypto_tfm_ctx(tfm));
 
-        if (irq_fpu_usable())
+        if (!irq_fpu_usable())
                 crypto_aes_decrypt_x86(ctx, dst, src);
         else {
                 kernel_fpu_begin();
@@ -342,7 +342,7 @@ static int ablk_encrypt(struct ablkcipher_request *req)
         struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
         struct async_aes_ctx *ctx = crypto_ablkcipher_ctx(tfm);
 
-        if (irq_fpu_usable()) {
+        if (!irq_fpu_usable()) {
                 struct ablkcipher_request *cryptd_req =
                         ablkcipher_request_ctx(req);
                 memcpy(cryptd_req, req, sizeof(*req));
@@ -363,7 +363,7 @@ static int ablk_decrypt(struct ablkcipher_request *req)
         struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
         struct async_aes_ctx *ctx = crypto_ablkcipher_ctx(tfm);
 
-        if (irq_fpu_usable()) {
+        if (!irq_fpu_usable()) {
                 struct ablkcipher_request *cryptd_req =
                         ablkcipher_request_ctx(req);
                 memcpy(cryptd_req, req, sizeof(*req));
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 82ad523b4901..144e7f60b5e2 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -116,7 +116,7 @@ static s64 __kpit_elapsed(struct kvm *kvm)
          * itself with the initial count and continues counting
          * from there.
          */
-        remaining = hrtimer_expires_remaining(&ps->pit_timer.timer);
+        remaining = hrtimer_get_remaining(&ps->pit_timer.timer);
         elapsed = ps->pit_timer.period - ktime_to_ns(remaining);
         elapsed = mod_64(elapsed, ps->pit_timer.period);
 
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 7024224f0fc8..23c217692ea9 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -521,7 +521,7 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic)
         if (apic_get_reg(apic, APIC_TMICT) == 0)
                 return 0;
 
-        remaining = hrtimer_expires_remaining(&apic->lapic_timer.timer);
+        remaining = hrtimer_get_remaining(&apic->lapic_timer.timer);
         if (ktime_to_ns(remaining) < 0)
                 remaining = ktime_set(0, 0);
 
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 685a4ffac8e6..818b92ad82cf 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -748,7 +748,8 @@ static int rmap_write_protect(struct kvm *kvm, u64 gfn)
         return write_protected;
 }
 
-static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp, u64 data)
+static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
+                           unsigned long data)
 {
         u64 *spte;
         int need_tlb_flush = 0;
@@ -763,7 +764,8 @@ static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp, u64 data)
         return need_tlb_flush;
 }
 
-static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp, u64 data)
+static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp,
+                             unsigned long data)
 {
         int need_flush = 0;
         u64 *spte, new_spte;
@@ -799,9 +801,10 @@ static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp, u64 data)
         return 0;
 }
 
-static int kvm_handle_hva(struct kvm *kvm, unsigned long hva, u64 data,
+static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
+                          unsigned long data,
                           int (*handler)(struct kvm *kvm, unsigned long *rmapp,
-                                         u64 data))
+                                         unsigned long data))
 {
         int i, j;
         int retval = 0;
@@ -846,10 +849,11 @@ int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
 
 void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte)
 {
-        kvm_handle_hva(kvm, hva, (u64)&pte, kvm_set_pte_rmapp);
+        kvm_handle_hva(kvm, hva, (unsigned long)&pte, kvm_set_pte_rmapp);
 }
 
-static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp, u64 data)
+static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
+                         unsigned long data)
 {
         u64 *spte;
         int young = 0;