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-rw-r--r--include/asm-generic/5level-fixup.h21
-rw-r--r--include/asm-generic/Kbuild2
-rw-r--r--include/asm-generic/bug.h55
-rw-r--r--include/asm-generic/div64.h22
-rw-r--r--include/asm-generic/error-injection.h6
-rw-r--r--include/asm-generic/export.h15
-rw-r--r--include/asm-generic/io.h9
-rw-r--r--include/asm-generic/mshyperv.h1
-rw-r--r--include/asm-generic/pgalloc.h13
-rw-r--r--include/asm-generic/pgtable.h7
-rw-r--r--include/asm-generic/preempt.h4
11 files changed, 77 insertions, 78 deletions
diff --git a/include/asm-generic/5level-fixup.h b/include/asm-generic/5level-fixup.h
index bb6cb347018c..f6947da70d71 100644
--- a/include/asm-generic/5level-fixup.h
+++ b/include/asm-generic/5level-fixup.h
@@ -19,9 +19,24 @@
#define p4d_alloc(mm, pgd, address) (pgd)
#define p4d_offset(pgd, start) (pgd)
-#define p4d_none(p4d) 0
-#define p4d_bad(p4d) 0
-#define p4d_present(p4d) 1
+
+#ifndef __ASSEMBLY__
+static inline int p4d_none(p4d_t p4d)
+{
+ return 0;
+}
+
+static inline int p4d_bad(p4d_t p4d)
+{
+ return 0;
+}
+
+static inline int p4d_present(p4d_t p4d)
+{
+ return 1;
+}
+#endif
+
#define p4d_ERROR(p4d) do { } while (0)
#define p4d_clear(p4d) pgd_clear(p4d)
#define p4d_val(p4d) pgd_val(p4d)
diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild
index 6f4536d70b8e..adff14fcb8e4 100644
--- a/include/asm-generic/Kbuild
+++ b/include/asm-generic/Kbuild
@@ -3,3 +3,5 @@
# asm headers that all architectures except um should have
# (This file is not included when SRCARCH=um since UML borrows several
# asm headers from the host architecutre.)
+
+mandatory-y += simd.h
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index aa6c093d9ce9..384b5c835ced 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -10,6 +10,7 @@
#define BUGFLAG_WARNING (1 << 0)
#define BUGFLAG_ONCE (1 << 1)
#define BUGFLAG_DONE (1 << 2)
+#define BUGFLAG_NO_CUT_HERE (1 << 3) /* CUT_HERE already sent */
#define BUGFLAG_TAINT(taint) ((taint) << 8)
#define BUG_GET_TAINT(bug) ((bug)->flags >> 8)
#endif
@@ -61,18 +62,6 @@ struct bug_entry {
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
#endif
-#ifdef __WARN_FLAGS
-#define __WARN_TAINT(taint) __WARN_FLAGS(BUGFLAG_TAINT(taint))
-#define __WARN_ONCE_TAINT(taint) __WARN_FLAGS(BUGFLAG_ONCE|BUGFLAG_TAINT(taint))
-
-#define WARN_ON_ONCE(condition) ({ \
- int __ret_warn_on = !!(condition); \
- if (unlikely(__ret_warn_on)) \
- __WARN_ONCE_TAINT(TAINT_WARN); \
- unlikely(__ret_warn_on); \
-})
-#endif
-
/*
* WARN(), WARN_ON(), WARN_ON_ONCE, and so on can be used to report
* significant kernel issues that need prompt attention if they should ever
@@ -89,27 +78,27 @@ struct bug_entry {
*
* Use the versions with printk format strings to provide better diagnostics.
*/
-#ifndef __WARN_TAINT
-extern __printf(3, 4)
-void warn_slowpath_fmt(const char *file, const int line,
- const char *fmt, ...);
+#ifndef __WARN_FLAGS
extern __printf(4, 5)
-void warn_slowpath_fmt_taint(const char *file, const int line, unsigned taint,
- const char *fmt, ...);
-extern void warn_slowpath_null(const char *file, const int line);
-#define WANT_WARN_ON_SLOWPATH
-#define __WARN() warn_slowpath_null(__FILE__, __LINE__)
-#define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg)
-#define __WARN_printf_taint(taint, arg...) \
- warn_slowpath_fmt_taint(__FILE__, __LINE__, taint, arg)
+void warn_slowpath_fmt(const char *file, const int line, unsigned taint,
+ const char *fmt, ...);
+#define __WARN() __WARN_printf(TAINT_WARN, NULL)
+#define __WARN_printf(taint, arg...) \
+ warn_slowpath_fmt(__FILE__, __LINE__, taint, arg)
#else
extern __printf(1, 2) void __warn_printk(const char *fmt, ...);
-#define __WARN() do { \
- printk(KERN_WARNING CUT_HERE); __WARN_TAINT(TAINT_WARN); \
-} while (0)
-#define __WARN_printf(arg...) __WARN_printf_taint(TAINT_WARN, arg)
-#define __WARN_printf_taint(taint, arg...) \
- do { __warn_printk(arg); __WARN_TAINT(taint); } while (0)
+#define __WARN() __WARN_FLAGS(BUGFLAG_TAINT(TAINT_WARN))
+#define __WARN_printf(taint, arg...) do { \
+ __warn_printk(arg); \
+ __WARN_FLAGS(BUGFLAG_NO_CUT_HERE | BUGFLAG_TAINT(taint));\
+ } while (0)
+#define WARN_ON_ONCE(condition) ({ \
+ int __ret_warn_on = !!(condition); \
+ if (unlikely(__ret_warn_on)) \
+ __WARN_FLAGS(BUGFLAG_ONCE | \
+ BUGFLAG_TAINT(TAINT_WARN)); \
+ unlikely(__ret_warn_on); \
+})
#endif
/* used internally by panic.c */
@@ -132,7 +121,7 @@ void __warn(const char *file, int line, void *caller, unsigned taint,
#define WARN(condition, format...) ({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
- __WARN_printf(format); \
+ __WARN_printf(TAINT_WARN, format); \
unlikely(__ret_warn_on); \
})
#endif
@@ -140,7 +129,7 @@ void __warn(const char *file, int line, void *caller, unsigned taint,
#define WARN_TAINT(condition, taint, format...) ({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
- __WARN_printf_taint(taint, format); \
+ __WARN_printf(taint, format); \
unlikely(__ret_warn_on); \
})
@@ -185,7 +174,7 @@ void __warn(const char *file, int line, void *caller, unsigned taint,
#endif
#ifndef HAVE_ARCH_BUG_ON
-#define BUG_ON(condition) do { if (condition) BUG(); } while (0)
+#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
#endif
#ifndef HAVE_ARCH_WARN_ON
diff --git a/include/asm-generic/div64.h b/include/asm-generic/div64.h
index dc9726fdac8f..a3b98c86f077 100644
--- a/include/asm-generic/div64.h
+++ b/include/asm-generic/div64.h
@@ -28,12 +28,12 @@
/**
* do_div - returns 2 values: calculate remainder and update new dividend
- * @n: pointer to uint64_t dividend (will be updated)
+ * @n: uint64_t dividend (will be updated)
* @base: uint32_t divisor
*
* Summary:
- * ``uint32_t remainder = *n % base;``
- * ``*n = *n / base;``
+ * ``uint32_t remainder = n % base;``
+ * ``n = n / base;``
*
* Return: (uint32_t)remainder
*
@@ -178,7 +178,8 @@ static inline uint64_t __arch_xprod_64(const uint64_t m, uint64_t n, bool bias)
uint32_t m_hi = m >> 32;
uint32_t n_lo = n;
uint32_t n_hi = n >> 32;
- uint64_t res, tmp;
+ uint64_t res;
+ uint32_t res_lo, res_hi, tmp;
if (!bias) {
res = ((uint64_t)m_lo * n_lo) >> 32;
@@ -187,8 +188,9 @@ static inline uint64_t __arch_xprod_64(const uint64_t m, uint64_t n, bool bias)
res = (m + (uint64_t)m_lo * n_lo) >> 32;
} else {
res = m + (uint64_t)m_lo * n_lo;
- tmp = (res < m) ? (1ULL << 32) : 0;
- res = (res >> 32) + tmp;
+ res_lo = res >> 32;
+ res_hi = (res_lo < m_hi);
+ res = res_lo | ((uint64_t)res_hi << 32);
}
if (!(m & ((1ULL << 63) | (1ULL << 31)))) {
@@ -197,10 +199,12 @@ static inline uint64_t __arch_xprod_64(const uint64_t m, uint64_t n, bool bias)
res += (uint64_t)m_hi * n_lo;
res >>= 32;
} else {
- tmp = res += (uint64_t)m_lo * n_hi;
+ res += (uint64_t)m_lo * n_hi;
+ tmp = res >> 32;
res += (uint64_t)m_hi * n_lo;
- tmp = (res < tmp) ? (1ULL << 32) : 0;
- res = (res >> 32) + tmp;
+ res_lo = res >> 32;
+ res_hi = (res_lo < tmp);
+ res = res_lo | ((uint64_t)res_hi << 32);
}
res += (uint64_t)m_hi * n_hi;
diff --git a/include/asm-generic/error-injection.h b/include/asm-generic/error-injection.h
index 95a159a4137f..80ca61058dd2 100644
--- a/include/asm-generic/error-injection.h
+++ b/include/asm-generic/error-injection.h
@@ -16,6 +16,8 @@ struct error_injection_entry {
int etype;
};
+struct pt_regs;
+
#ifdef CONFIG_FUNCTION_ERROR_INJECTION
/*
* Whitelist ganerating macro. Specify functions which can be
@@ -28,8 +30,12 @@ static struct error_injection_entry __used \
.addr = (unsigned long)fname, \
.etype = EI_ETYPE_##_etype, \
};
+
+void override_function_with_return(struct pt_regs *regs);
#else
#define ALLOW_ERROR_INJECTION(fname, _etype)
+
+static inline void override_function_with_return(struct pt_regs *regs) { }
#endif
#endif
diff --git a/include/asm-generic/export.h b/include/asm-generic/export.h
index 294d6ae785d4..fa577978fbbd 100644
--- a/include/asm-generic/export.h
+++ b/include/asm-generic/export.h
@@ -4,26 +4,24 @@
#ifndef KSYM_FUNC
#define KSYM_FUNC(x) x
#endif
-#ifdef CONFIG_64BIT
-#ifndef KSYM_ALIGN
+#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
+#define KSYM_ALIGN 4
+#elif defined(CONFIG_64BIT)
#define KSYM_ALIGN 8
-#endif
#else
-#ifndef KSYM_ALIGN
#define KSYM_ALIGN 4
#endif
-#endif
#ifndef KCRC_ALIGN
#define KCRC_ALIGN 4
#endif
.macro __put, val, name
#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
- .long \val - ., \name - .
+ .long \val - ., \name - ., 0
#elif defined(CONFIG_64BIT)
- .quad \val, \name
+ .quad \val, \name, 0
#else
- .long \val, \name
+ .long \val, \name, 0
#endif
.endm
@@ -57,7 +55,6 @@ __kcrctab_\name:
#endif
#endif
.endm
-#undef __put
#if defined(CONFIG_TRIM_UNUSED_KSYMS)
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index b83e2802c969..d02806513670 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -963,15 +963,6 @@ static inline void __iomem *ioremap(phys_addr_t offset, size_t size)
}
#endif
-#ifndef __ioremap
-#define __ioremap __ioremap
-static inline void __iomem *__ioremap(phys_addr_t offset, size_t size,
- unsigned long flags)
-{
- return ioremap(offset, size);
-}
-#endif
-
#ifndef iounmap
#define iounmap iounmap
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index 0becb7d9704d..18d8e2d8210f 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -167,6 +167,7 @@ void hyperv_report_panic(struct pt_regs *regs, long err);
void hyperv_report_panic_msg(phys_addr_t pa, size_t size);
bool hv_is_hyperv_initialized(void);
void hyperv_cleanup(void);
+void hv_setup_sched_clock(void *sched_clock);
#else /* CONFIG_HYPERV */
static inline bool hv_is_hyperv_initialized(void) { return false; }
static inline void hyperv_cleanup(void) {}
diff --git a/include/asm-generic/pgalloc.h b/include/asm-generic/pgalloc.h
index 8476175c07e7..73f7421413cb 100644
--- a/include/asm-generic/pgalloc.h
+++ b/include/asm-generic/pgalloc.h
@@ -49,7 +49,7 @@ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
* @mm: the mm_struct of the current context
* @gfp: GFP flags to use for the allocation
*
- * Allocates a page and runs the pgtable_page_ctor().
+ * Allocates a page and runs the pgtable_pte_page_ctor().
*
* This function is intended for architectures that need
* anything beyond simple page allocation or must have custom GFP flags.
@@ -63,7 +63,7 @@ static inline pgtable_t __pte_alloc_one(struct mm_struct *mm, gfp_t gfp)
pte = alloc_page(gfp);
if (!pte)
return NULL;
- if (!pgtable_page_ctor(pte)) {
+ if (!pgtable_pte_page_ctor(pte)) {
__free_page(pte);
return NULL;
}
@@ -76,7 +76,7 @@ static inline pgtable_t __pte_alloc_one(struct mm_struct *mm, gfp_t gfp)
* pte_alloc_one - allocate a page for PTE-level user page table
* @mm: the mm_struct of the current context
*
- * Allocates a page and runs the pgtable_page_ctor().
+ * Allocates a page and runs the pgtable_pte_page_ctor().
*
* Return: `struct page` initialized as page table or %NULL on error
*/
@@ -98,15 +98,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
*/
static inline void pte_free(struct mm_struct *mm, struct page *pte_page)
{
- pgtable_page_dtor(pte_page);
+ pgtable_pte_page_dtor(pte_page);
__free_page(pte_page);
}
-#else /* CONFIG_MMU */
-
-/* This is enough for a nommu architecture */
-#define check_pgt_cache() do { } while (0)
-
#endif /* CONFIG_MMU */
#endif /* __ASM_GENERIC_PGALLOC_H */
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 75d9d68a6de7..818691846c90 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -1002,9 +1002,8 @@ static inline int pmd_none_or_trans_huge_or_clear_bad(pmd_t *pmd)
* need this). If THP is not enabled, the pmd can't go away under the
* code even if MADV_DONTNEED runs, but if THP is enabled we need to
* run a pmd_trans_unstable before walking the ptes after
- * split_huge_page_pmd returns (because it may have run when the pmd
- * become null, but then a page fault can map in a THP and not a
- * regular page).
+ * split_huge_pmd returns (because it may have run when the pmd become
+ * null, but then a page fault can map in a THP and not a regular page).
*/
static inline int pmd_trans_unstable(pmd_t *pmd)
{
@@ -1126,7 +1125,7 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
static inline void init_espfix_bsp(void) { }
#endif
-extern void __init pgd_cache_init(void);
+extern void __init pgtable_cache_init(void);
#ifndef __HAVE_ARCH_PFN_MODIFY_ALLOWED
static inline bool pfn_modify_allowed(unsigned long pfn, pgprot_t prot)
diff --git a/include/asm-generic/preempt.h b/include/asm-generic/preempt.h
index c3046c920063..d683f5e6d791 100644
--- a/include/asm-generic/preempt.h
+++ b/include/asm-generic/preempt.h
@@ -78,11 +78,11 @@ static __always_inline bool should_resched(int preempt_offset)
tif_need_resched());
}
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
extern asmlinkage void preempt_schedule(void);
#define __preempt_schedule() preempt_schedule()
extern asmlinkage void preempt_schedule_notrace(void);
#define __preempt_schedule_notrace() preempt_schedule_notrace()
-#endif /* CONFIG_PREEMPT */
+#endif /* CONFIG_PREEMPTION */
#endif /* __ASM_PREEMPT_H */
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