xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'locking/urgent' into locking/core, to pick up fixes

Browse Source 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2016-09-22 15:21:48 +02:00
parent c907420fda 9bf6ffdabd
commit 7cf0f1426a
1354 changed files with 15093 additions and 8173 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/include/asm/apic.h
View File

@@ -135,6 +135,7 @@ extern void init_apic_mappings(void);
void register_lapic_address(unsigned long address);
extern void setup_boot_APIC_clock(void);
extern void setup_secondary_APIC_clock(void);
extern void lapic_update_tsc_freq(void);
extern int APIC_init_uniprocessor(void);
#ifdef CONFIG_X86_64
@@ -170,6 +171,7 @@ static inline void init_apic_mappings(void) { }
static inline void disable_local_APIC(void) { }
# define setup_boot_APIC_clock x86_init_noop
# define setup_secondary_APIC_clock x86_init_noop
static inline void lapic_update_tsc_freq(void) { }
#endif /* !CONFIG_X86_LOCAL_APIC */
#ifdef CONFIG_X86_X2APIC

4
arch/x86/include/asm/hardirq.h
View File

@@ -22,10 +22,6 @@ typedef struct {
#ifdef CONFIG_SMP
unsigned int irq_resched_count;
unsigned int irq_call_count;
/*
* irq_tlb_count is double-counted in irq_call_count, so it must be
* subtracted from irq_call_count when displaying irq_call_count
*/
unsigned int irq_tlb_count;
#endif
#ifdef CONFIG_X86_THERMAL_VECTOR

4
arch/x86/include/asm/init.h
View File

@@ -5,10 +5,10 @@ struct x86_mapping_info {
void *(*alloc_pgt_page)(void *); /* allocate buf for page table */
void *context; /* context for alloc_pgt_page */
unsigned long pmd_flag; /* page flag for PMD entry */
bool kernel_mapping; /* kernel mapping or ident mapping */
unsigned long offset; /* ident mapping offset */
};
int kernel_ident_mapping_init(struct x86_mapping_info *info, pgd_t *pgd_page,
unsigned long addr, unsigned long end);
unsigned long pstart, unsigned long pend);
#endif /* _ASM_X86_INIT_H */

4
arch/x86/include/asm/pgtable_64.h
View File

@@ -145,7 +145,7 @@ static inline int pgd_large(pgd_t pgd) { return 0; }
*
* | ... | 11| 10| 9|8|7|6|5| 4| 3|2|1|0| <- bit number
* | ... |SW3|SW2|SW1|G|L|D|A|CD|WT|U|W|P| <- bit names
* | OFFSET (14->63) | TYPE (10-13) |0|X|X|X| X| X|X|X|0| <- swp entry
* | OFFSET (14->63) | TYPE (9-13) |0|X|X|X| X| X|X|X|0| <- swp entry
*
* G (8) is aliased and used as a PROT_NONE indicator for
* !present ptes. We need to start storing swap entries above
@@ -156,7 +156,7 @@ static inline int pgd_large(pgd_t pgd) { return 0; }
#define SWP_TYPE_FIRST_BIT (_PAGE_BIT_PROTNONE + 1)
#define SWP_TYPE_BITS 5
/* Place the offset above the type: */
#define SWP_OFFSET_FIRST_BIT (SWP_TYPE_FIRST_BIT + SWP_TYPE_BITS + 1)
#define SWP_OFFSET_FIRST_BIT (SWP_TYPE_FIRST_BIT + SWP_TYPE_BITS)
#define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS)

10
arch/x86/include/asm/realmode.h
View File

@@ -58,7 +58,15 @@ extern unsigned char boot_gdt[];
extern unsigned char secondary_startup_64[];
#endif
static inline size_t real_mode_size_needed(void)
{
if (real_mode_header)
return 0; /* already allocated. */
return ALIGN(real_mode_blob_end - real_mode_blob, PAGE_SIZE);
}
void set_real_mode_mem(phys_addr_t mem, size_t size);
void reserve_real_mode(void);
void setup_real_mode(void);
#endif /* _ARCH_X86_REALMODE_H */

7
arch/x86/include/asm/tlbflush.h
View File

@@ -135,7 +135,14 @@ static inline void cr4_set_bits_and_update_boot(unsigned long mask)
static inline void __native_flush_tlb(void)
{
/*
* If current->mm == NULL then we borrow a mm which may change during a
* task switch and therefore we must not be preempted while we write CR3
* back:
*/
preempt_disable();
native_write_cr3(native_read_cr3());
preempt_enable();
}
static inline void __native_flush_tlb_global_irq_disabled(void)

79
arch/x86/include/asm/uaccess.h
View File

@@ -433,7 +433,11 @@ do { \
#define __get_user_asm_ex(x, addr, itype, rtype, ltype) \
asm volatile("1: mov"itype" %1,%"rtype"0\n" \
"2:\n" \
_ASM_EXTABLE_EX(1b, 2b) \
".section .fixup,\"ax\"\n" \
"3:xor"itype" %"rtype"0,%"rtype"0\n" \
" jmp 2b\n" \
".previous\n" \
_ASM_EXTABLE_EX(1b, 3b) \
: ltype(x) : "m" (__m(addr)))
#define __put_user_nocheck(x, ptr, size) \
@@ -697,44 +701,15 @@ unsigned long __must_check _copy_from_user(void *to, const void __user *from,
unsigned long __must_check _copy_to_user(void __user *to, const void *from,
unsigned n);
#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
# define copy_user_diag __compiletime_error
#else
# define copy_user_diag __compiletime_warning
#endif
extern void __compiletime_error("usercopy buffer size is too small")
__bad_copy_user(void);
extern void copy_user_diag("copy_from_user() buffer size is too small")
copy_from_user_overflow(void);
extern void copy_user_diag("copy_to_user() buffer size is too small")
copy_to_user_overflow(void) __asm__("copy_from_user_overflow");
#undef copy_user_diag
#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
extern void
__compiletime_warning("copy_from_user() buffer size is not provably correct")
__copy_from_user_overflow(void) __asm__("copy_from_user_overflow");
#define __copy_from_user_overflow(size, count) __copy_from_user_overflow()
extern void
__compiletime_warning("copy_to_user() buffer size is not provably correct")
__copy_to_user_overflow(void) __asm__("copy_from_user_overflow");
#define __copy_to_user_overflow(size, count) __copy_to_user_overflow()
#else
static inline void
__copy_from_user_overflow(int size, unsigned long count)
static inline void copy_user_overflow(int size, unsigned long count)
{
WARN(1, "Buffer overflow detected (%d < %lu)!\n", size, count);
}
#define __copy_to_user_overflow __copy_from_user_overflow
#endif
static inline unsigned long __must_check
static __always_inline unsigned long __must_check
copy_from_user(void *to, const void __user *from, unsigned long n)
{
int sz = __compiletime_object_size(to);
@@ -743,36 +718,18 @@ copy_from_user(void *to, const void __user *from, unsigned long n)
kasan_check_write(to, n);
/*
* While we would like to have the compiler do the checking for us
* even in the non-constant size case, any false positives there are
* a problem (especially when DEBUG_STRICT_USER_COPY_CHECKS, but even
* without - the [hopefully] dangerous looking nature of the warning
* would make people go look at the respecitive call sites over and
* over again just to find that there's no problem).
*
* And there are cases where it's just not realistic for the compiler
* to prove the count to be in range. For example when multiple call
* sites of a helper function - perhaps in different source files -
* all doing proper range checking, yet the helper function not doing
* so again.
*
* Therefore limit the compile time checking to the constant size
* case, and do only runtime checking for non-constant sizes.
*/
if (likely(sz < 0 || sz >= n)) {
check_object_size(to, n, false);
n = _copy_from_user(to, from, n);
} else if (__builtin_constant_p(n))
copy_from_user_overflow();
} else if (!__builtin_constant_p(n))
copy_user_overflow(sz, n);
else
__copy_from_user_overflow(sz, n);
__bad_copy_user();
return n;
}
static inline unsigned long __must_check
static __always_inline unsigned long __must_check
copy_to_user(void __user *to, const void *from, unsigned long n)
{
int sz = __compiletime_object_size(from);
@@ -781,21 +738,17 @@ copy_to_user(void __user *to, const void *from, unsigned long n)
might_fault();
/* See the comment in copy_from_user() above. */
if (likely(sz < 0 || sz >= n)) {
check_object_size(from, n, true);
n = _copy_to_user(to, from, n);
} else if (__builtin_constant_p(n))
copy_to_user_overflow();
} else if (!__builtin_constant_p(n))
copy_user_overflow(sz, n);
else
__copy_to_user_overflow(sz, n);
__bad_copy_user();
return n;
}
#undef __copy_from_user_overflow
#undef __copy_to_user_overflow
/*
* We rely on the nested NMI work to allow atomic faults from the NMI path; the
* nested NMI paths are careful to preserve CR2.

5
arch/x86/include/asm/uv/bios.h
View File

@@ -79,7 +79,7 @@ struct uv_gam_range_entry {
u16 nasid; /* HNasid */
u16 sockid; /* Socket ID, high bits of APIC ID */
u16 pnode; /* Index to MMR and GRU spaces */
u32 pxm; /* ACPI proximity domain number */
u32 unused2;
u32 limit; /* PA bits 56:26 (UV_GAM_RANGE_SHFT) */
};
@@ -88,7 +88,8 @@ struct uv_gam_range_entry {
#define UV_SYSTAB_VERSION_UV4 0x400 /* UV4 BIOS base version */
#define UV_SYSTAB_VERSION_UV4_1 0x401 /* + gpa_shift */
#define UV_SYSTAB_VERSION_UV4_2 0x402 /* + TYPE_NVRAM/WINDOW/MBOX */
#define UV_SYSTAB_VERSION_UV4_LATEST UV_SYSTAB_VERSION_UV4_2
#define UV_SYSTAB_VERSION_UV4_3 0x403 /* - GAM Range PXM Value */
#define UV_SYSTAB_VERSION_UV4_LATEST UV_SYSTAB_VERSION_UV4_3
#define UV_SYSTAB_TYPE_UNUSED 0 /* End of table (offset == 0) */
#define UV_SYSTAB_TYPE_GAM_PARAMS 1 /* GAM PARAM conversions */