diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/4level-fixup.h | 4 | ||||
| -rw-r--r-- | include/asm-generic/Kbuild | 15 | ||||
| -rw-r--r-- | include/asm-generic/Kbuild.asm | 38 | ||||
| -rw-r--r-- | include/asm-generic/audit_change_attr.h | 4 | ||||
| -rw-r--r-- | include/asm-generic/audit_dir_write.h | 4 | ||||
| -rw-r--r-- | include/asm-generic/bug.h | 32 | ||||
| -rw-r--r-- | include/asm-generic/libata-portmap.h | 12 | ||||
| -rw-r--r-- | include/asm-generic/percpu.h | 4 | ||||
| -rw-r--r-- | include/asm-generic/pgtable-nopmd.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/pgtable-nopud.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/pgtable.h | 40 | ||||
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 9 |
12 files changed, 124 insertions, 42 deletions
diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h index 68c6fea994d9..7b88d3931e34 100644 --- a/include/asm-generic/4level-fixup.h +++ b/include/asm-generic/4level-fixup.h @@ -21,6 +21,10 @@ #define pud_present(pud) 1 #define pud_ERROR(pud) do { } while (0) #define pud_clear(pud) pgd_clear(pud) +#define pud_val(pud) pgd_val(pud) +#define pud_populate(mm, pud, pmd) pgd_populate(mm, pud, pmd) +#define pud_page(pud) pgd_page(pud) +#define pud_page_vaddr(pud) pgd_page_vaddr(pud) #undef pud_free_tlb #define pud_free_tlb(tlb, x) do { } while (0) diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index 70594b275a6e..3c06be381701 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -1,3 +1,12 @@ -header-y += atomic.h errno-base.h errno.h fcntl.h ioctl.h ipc.h mman.h \ - signal.h statfs.h -unifdef-y := resource.h siginfo.h +header-y += atomic.h +header-y += errno-base.h +header-y += errno.h +header-y += fcntl.h +header-y += ioctl.h +header-y += ipc.h +header-y += mman.h +header-y += signal.h +header-y += statfs.h + +unifdef-y += resource.h +unifdef-y += siginfo.h diff --git a/include/asm-generic/Kbuild.asm b/include/asm-generic/Kbuild.asm index c00de6028fa8..a84c3d88a189 100644 --- a/include/asm-generic/Kbuild.asm +++ b/include/asm-generic/Kbuild.asm @@ -1,8 +1,34 @@ -unifdef-y += a.out.h auxvec.h byteorder.h errno.h fcntl.h ioctl.h \ - ioctls.h ipcbuf.h mman.h msgbuf.h param.h poll.h \ - posix_types.h ptrace.h resource.h sembuf.h shmbuf.h shmparam.h \ - sigcontext.h siginfo.h signal.h socket.h sockios.h stat.h \ - statfs.h termbits.h termios.h types.h unistd.h user.h +unifdef-y += a.out.h +unifdef-y += auxvec.h +unifdef-y += byteorder.h +unifdef-y += errno.h +unifdef-y += fcntl.h +unifdef-y += ioctl.h +unifdef-y += ioctls.h +unifdef-y += ipcbuf.h +unifdef-y += mman.h +unifdef-y += msgbuf.h +unifdef-y += param.h +unifdef-y += poll.h +unifdef-y += posix_types.h +unifdef-y += ptrace.h +unifdef-y += resource.h +unifdef-y += sembuf.h +unifdef-y += shmbuf.h +unifdef-y += sigcontext.h +unifdef-y += siginfo.h +unifdef-y += signal.h +unifdef-y += socket.h +unifdef-y += sockios.h +unifdef-y += stat.h +unifdef-y += statfs.h +unifdef-y += termbits.h +unifdef-y += termios.h +unifdef-y += types.h +unifdef-y += unistd.h +unifdef-y += user.h # These probably shouldn't be exported -unifdef-y += elf.h page.h +unifdef-y += shmparam.h +unifdef-y += elf.h +unifdef-y += page.h diff --git a/include/asm-generic/audit_change_attr.h b/include/asm-generic/audit_change_attr.h index cb05bf69745a..50764550a60c 100644 --- a/include/asm-generic/audit_change_attr.h +++ b/include/asm-generic/audit_change_attr.h @@ -1,16 +1,20 @@ __NR_chmod, __NR_fchmod, +#ifdef __NR_chown __NR_chown, __NR_fchown, __NR_lchown, +#endif __NR_setxattr, __NR_lsetxattr, __NR_fsetxattr, __NR_removexattr, __NR_lremovexattr, __NR_fremovexattr, +#ifdef __NR_fchownat __NR_fchownat, __NR_fchmodat, +#endif #ifdef __NR_chown32 __NR_chown32, __NR_fchown32, diff --git a/include/asm-generic/audit_dir_write.h b/include/asm-generic/audit_dir_write.h index 161a7a58fbab..6621bd82cbe8 100644 --- a/include/asm-generic/audit_dir_write.h +++ b/include/asm-generic/audit_dir_write.h @@ -1,14 +1,18 @@ __NR_rename, __NR_mkdir, __NR_rmdir, +#ifdef __NR_creat __NR_creat, +#endif __NR_link, __NR_unlink, __NR_symlink, __NR_mknod, +#ifdef __NR_mkdirat __NR_mkdirat, __NR_mknodat, __NR_unlinkat, __NR_renameat, __NR_linkat, __NR_symlinkat, +#endif diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 8ceab7bcd8b4..a5250895155e 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -16,12 +16,15 @@ #endif #ifndef HAVE_ARCH_WARN_ON -#define WARN_ON(condition) do { \ - if (unlikely((condition)!=0)) { \ - printk("BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \ - dump_stack(); \ - } \ -} while (0) +#define WARN_ON(condition) ({ \ + typeof(condition) __ret_warn_on = (condition); \ + if (unlikely(__ret_warn_on)) { \ + printk("BUG: warning at %s:%d/%s()\n", __FILE__, \ + __LINE__, __FUNCTION__); \ + dump_stack(); \ + } \ + unlikely(__ret_warn_on); \ +}) #endif #else /* !CONFIG_BUG */ @@ -34,21 +37,18 @@ #endif #ifndef HAVE_ARCH_WARN_ON -#define WARN_ON(condition) do { if (condition) ; } while(0) +#define WARN_ON(condition) unlikely((condition)) #endif #endif -#define WARN_ON_ONCE(condition) \ -({ \ +#define WARN_ON_ONCE(condition) ({ \ static int __warn_once = 1; \ - int __ret = 0; \ + typeof(condition) __ret_warn_once = (condition);\ \ - if (unlikely((condition) && __warn_once)) { \ - __warn_once = 0; \ - WARN_ON(1); \ - __ret = 1; \ - } \ - __ret; \ + if (likely(__warn_once)) \ + if (WARN_ON(__ret_warn_once)) \ + __warn_once = 0; \ + unlikely(__ret_warn_once); \ }) #ifdef CONFIG_SMP diff --git a/include/asm-generic/libata-portmap.h b/include/asm-generic/libata-portmap.h new file mode 100644 index 000000000000..9202fd02d5be --- /dev/null +++ b/include/asm-generic/libata-portmap.h @@ -0,0 +1,12 @@ +#ifndef __ASM_GENERIC_LIBATA_PORTMAP_H +#define __ASM_GENERIC_LIBATA_PORTMAP_H + +#define ATA_PRIMARY_CMD 0x1F0 +#define ATA_PRIMARY_CTL 0x3F6 +#define ATA_PRIMARY_IRQ 14 + +#define ATA_SECONDARY_CMD 0x170 +#define ATA_SECONDARY_CTL 0x376 +#define ATA_SECONDARY_IRQ 15 + +#endif diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index e160e04290fb..6d45ee5472af 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -14,7 +14,9 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name /* var is in discarded region: offset to particular copy we want */ -#define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu])) +#define per_cpu(var, cpu) (*({ \ + extern int simple_indentifier_##var(void); \ + RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]); })) #define __get_cpu_var(var) per_cpu(var, smp_processor_id()) #define __raw_get_cpu_var(var) per_cpu(var, raw_smp_processor_id()) diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h index c8d53ba20e19..29ff5d84d8c3 100644 --- a/include/asm-generic/pgtable-nopmd.h +++ b/include/asm-generic/pgtable-nopmd.h @@ -47,7 +47,7 @@ static inline pmd_t * pmd_offset(pud_t * pud, unsigned long address) #define __pmd(x) ((pmd_t) { __pud(x) } ) #define pud_page(pud) (pmd_page((pmd_t){ pud })) -#define pud_page_kernel(pud) (pmd_page_kernel((pmd_t){ pud })) +#define pud_page_vaddr(pud) (pmd_page_vaddr((pmd_t){ pud })) /* * allocating and freeing a pmd is trivial: the 1-entry pmd is diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h index 82e29f0ce467..566464500558 100644 --- a/include/asm-generic/pgtable-nopud.h +++ b/include/asm-generic/pgtable-nopud.h @@ -44,7 +44,7 @@ static inline pud_t * pud_offset(pgd_t * pgd, unsigned long address) #define __pud(x) ((pud_t) { __pgd(x) } ) #define pgd_page(pgd) (pud_page((pud_t){ pgd })) -#define pgd_page_kernel(pgd) (pud_page_kernel((pud_t){ pgd })) +#define pgd_page_vaddr(pgd) (pud_page_vaddr((pud_t){ pgd })) /* * allocating and freeing a pud is trivial: the 1-entry pud is diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index c2059a3a0621..9d774d07d95b 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -1,6 +1,8 @@ #ifndef _ASM_GENERIC_PGTABLE_H #define _ASM_GENERIC_PGTABLE_H +#ifndef __ASSEMBLY__ + #ifndef __HAVE_ARCH_PTEP_ESTABLISH /* * Establish a new mapping: @@ -13,19 +15,11 @@ * Note: the old pte is known to not be writable, so we don't need to * worry about dirty bits etc getting lost. */ -#ifndef __HAVE_ARCH_SET_PTE_ATOMIC #define ptep_establish(__vma, __address, __ptep, __entry) \ do { \ set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry); \ flush_tlb_page(__vma, __address); \ } while (0) -#else /* __HAVE_ARCH_SET_PTE_ATOMIC */ -#define ptep_establish(__vma, __address, __ptep, __entry) \ -do { \ - set_pte_atomic(__ptep, __entry); \ - flush_tlb_page(__vma, __address); \ -} while (0) -#endif /* __HAVE_ARCH_SET_PTE_ATOMIC */ #endif #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS @@ -110,8 +104,13 @@ do { \ }) #endif -#ifndef __HAVE_ARCH_PTE_CLEAR_FULL -#define pte_clear_full(__mm, __address, __ptep, __full) \ +/* + * Some architectures may be able to avoid expensive synchronization + * primitives when modifications are made to PTE's which are already + * not present, or in the process of an address space destruction. + */ +#ifndef __HAVE_ARCH_PTE_CLEAR_NOT_PRESENT_FULL +#define pte_clear_not_present_full(__mm, __address, __ptep, __full) \ do { \ pte_clear((__mm), (__address), (__ptep)); \ } while (0) @@ -164,6 +163,26 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres #endif /* + * A facility to provide lazy MMU batching. This allows PTE updates and + * page invalidations to be delayed until a call to leave lazy MMU mode + * is issued. Some architectures may benefit from doing this, and it is + * beneficial for both shadow and direct mode hypervisors, which may batch + * the PTE updates which happen during this window. Note that using this + * interface requires that read hazards be removed from the code. A read + * hazard could result in the direct mode hypervisor case, since the actual + * write to the page tables may not yet have taken place, so reads though + * a raw PTE pointer after it has been modified are not guaranteed to be + * up to date. This mode can only be entered and left under the protection of + * the page table locks for all page tables which may be modified. In the UP + * case, this is required so that preemption is disabled, and in the SMP case, + * it must synchronize the delayed page table writes properly on other CPUs. + */ +#ifndef __HAVE_ARCH_ENTER_LAZY_MMU_MODE +#define arch_enter_lazy_mmu_mode() do {} while (0) +#define arch_leave_lazy_mmu_mode() do {} while (0) +#endif + +/* * When walking page tables, get the address of the next boundary, * or the end address of the range if that comes earlier. Although no * vma end wraps to 0, rounded up __boundary may wrap to 0 throughout. @@ -188,7 +207,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres }) #endif -#ifndef __ASSEMBLY__ /* * When walking page tables, we usually want to skip any p?d_none entries; * and any p?d_bad entries - reporting the error before resetting to none. diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index db5a3732f106..69240b52f8e1 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -118,15 +118,15 @@ __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \ *(__ksymtab_strings) \ } \ - __end_rodata = .; \ - . = ALIGN(4096); \ \ /* Built-in module parameters. */ \ __param : AT(ADDR(__param) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start___param) = .; \ *(__param) \ VMLINUX_SYMBOL(__stop___param) = .; \ - } + } \ + __end_rodata = .; \ + . = ALIGN(4096); #define SECURITY_INIT \ .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \ @@ -194,3 +194,6 @@ .stab.index 0 : { *(.stab.index) } \ .stab.indexstr 0 : { *(.stab.indexstr) } \ .comment 0 : { *(.comment) } + +#define NOTES \ + .notes : { *(.note.*) } :note |