Merge branch 'linus' into tracing/core

Merge reason: merge latest tracing fixes to avoid conflicts in
              kernel/trace/trace_events_filter.c with upcoming change

Signed-off-by: Ingo Molnar <mingo@elte.hu>

15 files changed, 73 insertions, 40 deletions

diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index 81937a5dc77c..2d81af3974a0 100644
--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -151,11 +151,11 @@ extern pte_t *pkmap_page_table;
 
 void __native_set_fixmap(enum fixed_addresses idx, pte_t pte);
 void native_set_fixmap(enum fixed_addresses idx,
-                       unsigned long phys, pgprot_t flags);
+                       phys_addr_t phys, pgprot_t flags);
 
 #ifndef CONFIG_PARAVIRT
 static inline void __set_fixmap(enum fixed_addresses idx,
-                                unsigned long phys, pgprot_t flags)
+                                phys_addr_t phys, pgprot_t flags)
 {
         native_set_fixmap(idx, phys, flags);
 }
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index e5383e3d2f8c..73739322b6d0 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -193,8 +193,10 @@ extern void __iomem *ioremap_wc(resource_size_t offset, unsigned long size);
  */
 extern void early_ioremap_init(void);
 extern void early_ioremap_reset(void);
-extern void __iomem *early_ioremap(unsigned long offset, unsigned long size);
-extern void __iomem *early_memremap(unsigned long offset, unsigned long size);
+extern void __iomem *early_ioremap(resource_size_t phys_addr,
+                                   unsigned long size);
+extern void __iomem *early_memremap(resource_size_t phys_addr,
+                                    unsigned long size);
 extern void early_iounmap(void __iomem *addr, unsigned long size);
 
 #define IO_SPACE_LIMIT 0xffff
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 7727aa8b7dda..378e3691c08c 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -347,7 +347,7 @@ struct pv_mmu_ops {
         /* Sometimes the physical address is a pfn, and sometimes its
            an mfn.  We can tell which is which from the index. */
         void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx,
-                           unsigned long phys, pgprot_t flags);
+                           phys_addr_t phys, pgprot_t flags);
 };
 
 struct raw_spinlock;
@@ -1432,7 +1432,7 @@ static inline void arch_leave_lazy_mmu_mode(void)
 void arch_flush_lazy_mmu_mode(void);
 
 static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
-                                unsigned long phys, pgprot_t flags)
+                                phys_addr_t phys, pgprot_t flags)
 {
         pv_mmu_ops.set_fixmap(idx, phys, flags);
 }
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 34c52370f2fe..fcf4d92e7e04 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -352,6 +352,11 @@ struct i387_soft_struct {
         u32                     entry_eip;
 };
 
+struct ymmh_struct {
+        /* 16 * 16 bytes for each YMMH-reg = 256 bytes */
+        u32 ymmh_space[64];
+};
+
 struct xsave_hdr_struct {
         u64 xstate_bv;
         u64 reserved1[2];
@@ -361,6 +366,7 @@ struct xsave_hdr_struct {
 struct xsave_struct {
         struct i387_fxsave_struct i387;
         struct xsave_hdr_struct xsave_hdr;
+        struct ymmh_struct ymmh;
         /* new processor state extensions will go here */
 } __attribute__ ((packed, aligned (64)));
 
diff --git a/arch/x86/include/asm/sigcontext.h b/arch/x86/include/asm/sigcontext.h
index ec666491aaa4..72e5a4491661 100644
--- a/arch/x86/include/asm/sigcontext.h
+++ b/arch/x86/include/asm/sigcontext.h
@@ -269,6 +269,11 @@ struct _xsave_hdr {
         __u64 reserved2[5];
 };
 
+struct _ymmh_state {
+        /* 16 * 16 bytes for each YMMH-reg */
+        __u32 ymmh_space[64];
+};
+
 /*
  * Extended state pointed by the fpstate pointer in the sigcontext.
  * In addition to the fpstate, information encoded in the xstate_hdr
@@ -278,6 +283,7 @@ struct _xsave_hdr {
 struct _xstate {
         struct _fpstate fpstate;
         struct _xsave_hdr xstate_hdr;
+        struct _ymmh_state ymmh;
         /* new processor state extensions go here */
 };
 
diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
index 08e9a1ac07a9..727acc152344 100644
--- a/arch/x86/include/asm/xsave.h
+++ b/arch/x86/include/asm/xsave.h
@@ -7,6 +7,7 @@
 
 #define XSTATE_FP       0x1
 #define XSTATE_SSE      0x2
+#define XSTATE_YMM      0x4
 
 #define XSTATE_FPSSE    (XSTATE_FP | XSTATE_SSE)
 
@@ -15,7 +16,7 @@
 /*
  * These are the features that the OS can handle currently.
  */
-#define XCNTXT_MASK     (XSTATE_FP | XSTATE_SSE)
+#define XCNTXT_MASK     (XSTATE_FP | XSTATE_SSE | XSTATE_YMM)
 
 #ifdef CONFIG_X86_64
 #define REX_PREFIX      "0x48, "
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 767fe7e46d68..a2789e42e162 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2524,7 +2524,6 @@ static void irq_complete_move(struct irq_desc **descp)
 static inline void irq_complete_move(struct irq_desc **descp) {}
 #endif
 
-#ifdef CONFIG_X86_X2APIC
 static void __eoi_ioapic_irq(unsigned int irq, struct irq_cfg *cfg)
 {
         int apic, pin;
@@ -2558,6 +2557,7 @@ eoi_ioapic_irq(struct irq_desc *desc)
         spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
+#ifdef CONFIG_X86_X2APIC
 static void ack_x2apic_level(unsigned int irq)
 {
         struct irq_desc *desc = irq_to_desc(irq);
@@ -2634,6 +2634,9 @@ static void ack_apic_level(unsigned int irq)
          */
         ack_APIC_irq();
 
+        if (irq_remapped(irq))
+                eoi_ioapic_irq(desc);
+
         /* Now we can move and renable the irq */
         if (unlikely(do_unmask_irq)) {
                 /* Only migrate the irq if the ack has been received.
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 9d3af380c6bd..3e3cd3db7a0c 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -153,7 +153,8 @@ struct drv_cmd {
         u32 val;
 };
 
-static long do_drv_read(void *_cmd)
+/* Called via smp_call_function_single(), on the target CPU */
+static void do_drv_read(void *_cmd)
 {
         struct drv_cmd *cmd = _cmd;
         u32 h;
@@ -170,10 +171,10 @@ static long do_drv_read(void *_cmd)
         default:
                 break;
         }
-        return 0;
 }
 
-static long do_drv_write(void *_cmd)
+/* Called via smp_call_function_many(), on the target CPUs */
+static void do_drv_write(void *_cmd)
 {
         struct drv_cmd *cmd = _cmd;
         u32 lo, hi;
@@ -192,23 +193,18 @@ static long do_drv_write(void *_cmd)
         default:
                 break;
         }
-        return 0;
 }
 
 static void drv_read(struct drv_cmd *cmd)
 {
         cmd->val = 0;
 
-        work_on_cpu(cpumask_any(cmd->mask), do_drv_read, cmd);
+        smp_call_function_single(cpumask_any(cmd->mask), do_drv_read, cmd, 1);
 }
 
 static void drv_write(struct drv_cmd *cmd)
 {
-        unsigned int i;
-
-        for_each_cpu(i, cmd->mask) {
-                work_on_cpu(i, do_drv_write, cmd);
-        }
+        smp_call_function_many(cmd->mask, do_drv_write, cmd, 1);
 }
 
 static u32 get_cur_val(const struct cpumask *mask)
@@ -252,15 +248,13 @@ struct perf_pair {
         } aperf, mperf;
 };
 
-
-static long read_measured_perf_ctrs(void *_cur)
+/* Called via smp_call_function_single(), on the target CPU */
+static void read_measured_perf_ctrs(void *_cur)
 {
         struct perf_pair *cur = _cur;
 
         rdmsr(MSR_IA32_APERF, cur->aperf.split.lo, cur->aperf.split.hi);
         rdmsr(MSR_IA32_MPERF, cur->mperf.split.lo, cur->mperf.split.hi);
-
-        return 0;
 }
 
 /*
@@ -283,7 +277,7 @@ static unsigned int get_measured_perf(struct cpufreq_policy *policy,
         unsigned int perf_percent;
         unsigned int retval;
 
-        if (!work_on_cpu(cpu, read_measured_perf_ctrs, &readin))
+        if (smp_call_function_single(cpu, read_measured_perf_ctrs, &cur, 1))
                 return 0;
 
         cur.aperf.whole = readin.aperf.whole -
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index dce99dca6cf8..70fd7e414c15 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -679,7 +679,7 @@ void __init get_smp_config(void)
         __get_smp_config(0);
 }
 
-static void smp_reserve_bootmem(struct mpf_intel *mpf)
+static void __init smp_reserve_bootmem(struct mpf_intel *mpf)
 {
         unsigned long size = get_mpc_size(mpf->physptr);
 #ifdef CONFIG_X86_32
@@ -838,7 +838,7 @@ static int  __init get_MP_intsrc_index(struct mpc_intsrc *m)
 
 static struct mpc_intsrc __initdata *m_spare[SPARE_SLOT_NUM];
 
-static void check_irq_src(struct mpc_intsrc *m, int *nr_m_spare)
+static void __init check_irq_src(struct mpc_intsrc *m, int *nr_m_spare)
 {
         int i;
 
@@ -866,7 +866,8 @@ static void check_irq_src(struct mpc_intsrc *m, int *nr_m_spare)
         }
 }
 #else /* CONFIG_X86_IO_APIC */
-static inline void check_irq_src(struct mpc_intsrc *m, int *nr_m_spare) {}
+static
+inline void __init check_irq_src(struct mpc_intsrc *m, int *nr_m_spare) {}
 #endif /* CONFIG_X86_IO_APIC */
 
 static int check_slot(unsigned long mpc_new_phys, unsigned long mpc_new_length,
diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index 2b54fe002e94..0a5b04aa98f1 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -324,7 +324,7 @@ void __ref xsave_cntxt_init(void)
         }
 
         /*
-         * for now OS knows only about FP/SSE
+         * Support only the state known to OS.
          */
         pcntxt_mask = pcntxt_mask & XCNTXT_MASK;
         xsave_init();
diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c
index be54176e9eb2..6340cef6798a 100644
--- a/arch/x86/mm/gup.c
+++ b/arch/x86/mm/gup.c
@@ -219,6 +219,22 @@ static int gup_pud_range(pgd_t pgd, unsigned long addr, unsigned long end,
         return 1;
 }
 
+/**
+ * get_user_pages_fast() - pin user pages in memory
+ * @start:      starting user address
+ * @nr_pages:   number of pages from start to pin
+ * @write:      whether pages will be written to
+ * @pages:      array that receives pointers to the pages pinned.
+ *              Should be at least nr_pages long.
+ *
+ * Attempt to pin user pages in memory without taking mm->mmap_sem.
+ * If not successful, it will fall back to taking the lock and
+ * calling get_user_pages().
+ *
+ * Returns number of pages pinned. This may be fewer than the number
+ * requested. If nr_pages is 0 or negative, returns 0. If no pages
+ * were pinned, returns -errno.
+ */
 int get_user_pages_fast(unsigned long start, int nr_pages, int write,
                         struct page **pages)
 {
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 0dfa09d69e80..09daebfdb11c 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -547,7 +547,7 @@ void __init early_ioremap_reset(void)
 }
 
 static void __init __early_set_fixmap(enum fixed_addresses idx,
-                                   unsigned long phys, pgprot_t flags)
+                                      phys_addr_t phys, pgprot_t flags)
 {
         unsigned long addr = __fix_to_virt(idx);
         pte_t *pte;
@@ -566,7 +566,7 @@ static void __init __early_set_fixmap(enum fixed_addresses idx,
 }
 
 static inline void __init early_set_fixmap(enum fixed_addresses idx,
-                                           unsigned long phys, pgprot_t prot)
+                                           phys_addr_t phys, pgprot_t prot)
 {
         if (after_paging_init)
                 __set_fixmap(idx, phys, prot);
@@ -607,9 +607,10 @@ static int __init check_early_ioremap_leak(void)
 late_initcall(check_early_ioremap_leak);
 
 static void __init __iomem *
-__early_ioremap(unsigned long phys_addr, unsigned long size, pgprot_t prot)
+__early_ioremap(resource_size_t phys_addr, unsigned long size, pgprot_t prot)
 {
-        unsigned long offset, last_addr;
+        unsigned long offset;
+        resource_size_t last_addr;
         unsigned int nrpages;
         enum fixed_addresses idx0, idx;
         int i, slot;
@@ -625,15 +626,15 @@ __early_ioremap(unsigned long phys_addr, unsigned long size, pgprot_t prot)
         }
 
         if (slot < 0) {
-                printk(KERN_INFO "early_iomap(%08lx, %08lx) not found slot\n",
-                         phys_addr, size);
+                printk(KERN_INFO "early_iomap(%08llx, %08lx) not found slot\n",
+                         (u64)phys_addr, size);
                 WARN_ON(1);
                 return NULL;
         }
 
         if (early_ioremap_debug) {
-                printk(KERN_INFO "early_ioremap(%08lx, %08lx) [%d] => ",
-                       phys_addr, size, slot);
+                printk(KERN_INFO "early_ioremap(%08llx, %08lx) [%d] => ",
+                       (u64)phys_addr, size, slot);
                 dump_stack();
         }
 
@@ -680,13 +681,15 @@ __early_ioremap(unsigned long phys_addr, unsigned long size, pgprot_t prot)
 }
 
 /* Remap an IO device */
-void __init __iomem *early_ioremap(unsigned long phys_addr, unsigned long size)
+void __init __iomem *
+early_ioremap(resource_size_t phys_addr, unsigned long size)
 {
         return __early_ioremap(phys_addr, size, PAGE_KERNEL_IO);
 }
 
 /* Remap memory */
-void __init __iomem *early_memremap(unsigned long phys_addr, unsigned long size)
+void __init __iomem *
+early_memremap(resource_size_t phys_addr, unsigned long size)
 {
         return __early_ioremap(phys_addr, size, PAGE_KERNEL);
 }
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 640339ee4fb2..c009a241d562 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -31,7 +31,7 @@
 #ifdef CONFIG_X86_PAT
 int __read_mostly pat_enabled = 1;
 
-void __cpuinit pat_disable(const char *reason)
+static inline void pat_disable(const char *reason)
 {
         pat_enabled = 0;
         printk(KERN_INFO "%s\n", reason);
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 5b7c7c8464fe..7aa03a5389f5 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -345,7 +345,8 @@ void __native_set_fixmap(enum fixed_addresses idx, pte_t pte)
         fixmaps_set++;
 }
 
-void native_set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t flags)
+void native_set_fixmap(enum fixed_addresses idx, phys_addr_t phys,
+                       pgprot_t flags)
 {
         __native_set_fixmap(idx, pfn_pte(phys >> PAGE_SHIFT, flags));
 }
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index db3802fb7b84..2a81838a9ab7 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1750,7 +1750,7 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
 }
 #endif  /* CONFIG_X86_64 */
 
-static void xen_set_fixmap(unsigned idx, unsigned long phys, pgprot_t prot)
+static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
 {
         pte_t pte;