diff options
Diffstat (limited to 'arch/x86')
90 files changed, 2886 insertions, 395 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 78fe57dcfc56..6a47bb22657f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -72,6 +72,7 @@ config X86 select USE_GENERIC_SMP_HELPERS if SMP select HAVE_BPF_JIT if (X86_64 && NET) select CLKEVT_I8253 + select ARCH_HAVE_NMI_SAFE_CMPXCHG config INSTRUCTION_DECODER def_bool (KPROBES || PERF_EVENTS) @@ -1905,7 +1906,7 @@ config PCI_BIOS # x86-64 doesn't support PCI BIOS access from long mode so always go direct. config PCI_DIRECT def_bool y - depends on PCI && (X86_64 || (PCI_GODIRECT || PCI_GOANY || PCI_GOOLPC)) + depends on PCI && (X86_64 || (PCI_GODIRECT || PCI_GOANY || PCI_GOOLPC || PCI_GOMMCONFIG)) config PCI_MMCONFIG def_bool y @@ -2024,11 +2025,44 @@ config OLPC Add support for detecting the unique features of the OLPC XO hardware. -config OLPC_XO1 - tristate "OLPC XO-1 support" - depends on OLPC && MFD_CS5535 - ---help--- - Add support for non-essential features of the OLPC XO-1 laptop. +config OLPC_XO1_PM + bool "OLPC XO-1 Power Management" + depends on OLPC && MFD_CS5535 && PM_SLEEP + select MFD_CORE + ---help--- + Add support for poweroff and suspend of the OLPC XO-1 laptop. + +config OLPC_XO1_RTC + bool "OLPC XO-1 Real Time Clock" + depends on OLPC_XO1_PM && RTC_DRV_CMOS + ---help--- + Add support for the XO-1 real time clock, which can be used as a + programmable wakeup source. + +config OLPC_XO1_SCI + bool "OLPC XO-1 SCI extras" + depends on OLPC && OLPC_XO1_PM + select POWER_SUPPLY + select GPIO_CS5535 + select MFD_CORE + ---help--- + Add support for SCI-based features of the OLPC XO-1 laptop: + - EC-driven system wakeups + - Power button + - Ebook switch + - Lid switch + - AC adapter status updates + - Battery status updates + +config OLPC_XO15_SCI + bool "OLPC XO-1.5 SCI extras" + depends on OLPC && ACPI + select POWER_SUPPLY + ---help--- + Add support for SCI-based features of the OLPC XO-1.5 laptop: + - EC-driven system wakeups + - AC adapter status updates + - Battery status updates endif # X86_32 diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index a0e866d233ee..54edb207ff3a 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -672,7 +672,7 @@ ia32_sys_call_table: .quad sys32_vm86_warning /* vm86 */ .quad quiet_ni_syscall /* query_module */ .quad sys_poll - .quad compat_sys_nfsservctl + .quad quiet_ni_syscall /* old nfsservctl */ .quad sys_setresgid16 /* 170 */ .quad sys_getresgid16 .quad sys_prctl diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c index 5852519b2d0f..f6f5c53dc903 100644 --- a/arch/x86/ia32/sys_ia32.c +++ b/arch/x86/ia32/sys_ia32.c @@ -43,7 +43,7 @@ #include <asm/mman.h> #include <asm/types.h> #include <asm/uaccess.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/vgtod.h> #include <asm/sys_ia32.h> diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 4a0b7c7e2cce..7b3ca8324b69 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -8,7 +8,7 @@ #include <asm/cpufeature.h> #include <asm/processor.h> #include <asm/apicdef.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/fixmap.h> #include <asm/mpspec.h> #include <asm/system.h> diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h index 952a826ac4e5..10572e309ab2 100644 --- a/arch/x86/include/asm/atomic.h +++ b/arch/x86/include/asm/atomic.h @@ -221,15 +221,15 @@ static inline int atomic_xchg(atomic_t *v, int new) } /** - * atomic_add_unless - add unless the number is already a given value + * __atomic_add_unless - add unless the number is already a given value * @v: pointer of type atomic_t * @a: the amount to add to v... * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as @v was not already @u. - * Returns non-zero if @v was not @u, and zero otherwise. + * Returns the old value of @v. */ -static inline int atomic_add_unless(atomic_t *v, int a, int u) +static inline int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; c = atomic_read(v); @@ -241,10 +241,9 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) break; c = old; } - return c != (u); + return c; } -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) /* * atomic_dec_if_positive - decrement by 1 if old value positive @@ -319,5 +318,4 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2) # include "atomic64_64.h" #endif -#include <asm-generic/atomic-long.h> #endif /* _ASM_X86_ATOMIC_H */ diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h index 2a934aa19a43..24098aafce0d 100644 --- a/arch/x86/include/asm/atomic64_32.h +++ b/arch/x86/include/asm/atomic64_32.h @@ -263,7 +263,7 @@ static inline int atomic64_add_negative(long long i, atomic64_t *v) * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as it was not @u. - * Returns non-zero if @v was not @u, and zero otherwise. + * Returns the old value of @v. */ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u) { diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h index 49fd1ea22951..017594d403f6 100644 --- a/arch/x86/include/asm/atomic64_64.h +++ b/arch/x86/include/asm/atomic64_64.h @@ -202,7 +202,7 @@ static inline long atomic64_xchg(atomic64_t *v, long new) * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as it was not @u. - * Returns non-zero if @v was not @u, and zero otherwise. + * Returns the old value of @v. */ static inline int atomic64_add_unless(atomic64_t *v, long a, long u) { diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index 69d58131bc8e..1775d6e5920e 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -458,10 +458,7 @@ static inline int fls(int x) #include <asm-generic/bitops/le.h> -#define ext2_set_bit_atomic(lock, nr, addr) \ - test_and_set_bit((nr), (unsigned long *)(addr)) -#define ext2_clear_bit_atomic(lock, nr, addr) \ - test_and_clear_bit((nr), (unsigned long *)(addr)) +#include <asm-generic/bitops/ext2-atomic-setbit.h> #endif /* __KERNEL__ */ #endif /* _ASM_X86_BITOPS_H */ diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index 7b439d9aea2a..41935fadfdfc 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -27,8 +27,8 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in desc->base2 = (info->base_addr & 0xff000000) >> 24; /* - * Don't allow setting of the lm bit. It is useless anyway - * because 64bit system calls require __USER_CS: + * Don't allow setting of the lm bit. It would confuse + * user_64bit_mode and would get overridden by sysret anyway. */ desc->l = 0; } diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index 13f5504c76c0..09199052060f 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -21,7 +21,7 @@ #include <linux/profile.h> #include <linux/smp.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/irq.h> #include <asm/sections.h> diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index d02804d650c4..d8e8eefbe24c 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -40,8 +40,6 @@ #include <linux/compiler.h> #include <asm/page.h> -#include <xen/xen.h> - #define build_mmio_read(name, size, type, reg, barrier) \ static inline type name(const volatile void __iomem *addr) \ { type ret; asm volatile("mov" size " %1,%0":reg (ret) \ @@ -334,6 +332,7 @@ extern void fixup_early_ioremap(void); extern bool is_early_ioremap_ptep(pte_t *ptep); #ifdef CONFIG_XEN +#include <xen/xen.h> struct bio_vec; extern bool xen_biovec_phys_mergeable(const struct bio_vec *vec1, diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h index f9a320984a10..7e50f06393aa 100644 --- a/arch/x86/include/asm/irq_vectors.h +++ b/arch/x86/include/asm/irq_vectors.h @@ -17,7 +17,6 @@ * Vectors 0 ... 31 : system traps and exceptions - hardcoded events * Vectors 32 ... 127 : device interrupts * Vector 128 : legacy int80 syscall interface - * Vector 204 : legacy x86_64 vsyscall emulation * Vectors 129 ... INVALIDATE_TLB_VECTOR_START-1 except 204 : device interrupts * Vectors INVALIDATE_TLB_VECTOR_START ... 255 : special interrupts * @@ -51,9 +50,6 @@ #ifdef CONFIG_X86_32 # define SYSCALL_VECTOR 0x80 #endif -#ifdef CONFIG_X86_64 -# define VSYSCALL_EMU_VECTOR 0xcc -#endif /* * Vectors 0x30-0x3f are used for ISA interrupts. diff --git a/arch/x86/include/asm/kdebug.h b/arch/x86/include/asm/kdebug.h index fe2cc6e105fa..d73f1571bde7 100644 --- a/arch/x86/include/asm/kdebug.h +++ b/arch/x86/include/asm/kdebug.h @@ -28,7 +28,6 @@ extern void show_registers(struct pt_regs *regs); extern void show_trace(struct task_struct *t, struct pt_regs *regs, unsigned long *sp, unsigned long bp); extern void __show_regs(struct pt_regs *regs, int all); -extern void show_regs(struct pt_regs *regs); extern unsigned long oops_begin(void); extern void oops_end(unsigned long, struct pt_regs *, int signr); #ifdef CONFIG_KEXEC diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h index 2e9972468a5d..9cdae5d47e8f 100644 --- a/arch/x86/include/asm/local.h +++ b/arch/x86/include/asm/local.h @@ -4,7 +4,7 @@ #include <linux/percpu.h> #include <asm/system.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/asm.h> typedef struct { diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 716b48af7863..c9321f34e55b 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -124,7 +124,7 @@ extern struct atomic_notifier_head x86_mce_decoder_chain; #include <linux/percpu.h> #include <linux/init.h> -#include <asm/atomic.h> +#include <linux/atomic.h> extern int mce_disabled; extern int mce_p5_enabled; diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index 8b5393ec1080..69021528b43c 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -2,7 +2,7 @@ #define _ASM_X86_MMU_CONTEXT_H #include <asm/desc.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/pgalloc.h> #include <asm/tlbflush.h> #include <asm/paravirt.h> diff --git a/arch/x86/include/asm/olpc.h b/arch/x86/include/asm/olpc.h index 5ca6801b75f3..87bdbca72f94 100644 --- a/arch/x86/include/asm/olpc.h +++ b/arch/x86/include/asm/olpc.h @@ -13,6 +13,7 @@ struct olpc_platform_t { #define OLPC_F_PRESENT 0x01 #define OLPC_F_DCON 0x02 +#define OLPC_F_EC_WIDE_SCI 0x04 #ifdef CONFIG_OLPC @@ -62,6 +63,13 @@ static inline int olpc_board_at_least(uint32_t rev) return olpc_platform_info.boardrev >= rev; } +extern void olpc_ec_wakeup_set(u16 value); +extern void olpc_ec_wakeup_clear(u16 value); +extern bool olpc_ec_wakeup_available(void); + +extern int olpc_ec_mask_write(u16 bits); +extern int olpc_ec_sci_query(u16 *sci_value); + #else static inline int machine_is_olpc(void) @@ -74,6 +82,20 @@ static inline int olpc_has_dcon(void) return 0; } +static inline void olpc_ec_wakeup_set(u16 value) { } +static inline void olpc_ec_wakeup_clear(u16 value) { } + +static inline bool olpc_ec_wakeup_available(void) |