diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-17 08:58:04 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-17 08:58:04 -0700 |
commit | 57a8ec387e1441ea5e1232bc0749fb99a8cba7e7 (patch) | |
tree | b5fb03fc6bc5754de8b5b1f8b0e4f36d67c8315c /arch | |
parent | 0a8ad0ffa4d80a544f6cbff703bf6394339afcdf (diff) | |
parent | 43e11fa2d1d3b6e35629fa556eb7d571edba2010 (diff) |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"VM:
- z3fold fixes and enhancements by Henry Burns and Vitaly Wool
- more accurate reclaimed slab caches calculations by Yafang Shao
- fix MAP_UNINITIALIZED UAPI symbol to not depend on config, by
Christoph Hellwig
- !CONFIG_MMU fixes by Christoph Hellwig
- new novmcoredd parameter to omit device dumps from vmcore, by
Kairui Song
- new test_meminit module for testing heap and pagealloc
initialization, by Alexander Potapenko
- ioremap improvements for huge mappings, by Anshuman Khandual
- generalize kprobe page fault handling, by Anshuman Khandual
- device-dax hotplug fixes and improvements, by Pavel Tatashin
- enable synchronous DAX fault on powerpc, by Aneesh Kumar K.V
- add pte_devmap() support for arm64, by Robin Murphy
- unify locked_vm accounting with a helper, by Daniel Jordan
- several misc fixes
core/lib:
- new typeof_member() macro including some users, by Alexey Dobriyan
- make BIT() and GENMASK() available in asm, by Masahiro Yamada
- changed LIST_POISON2 on x86_64 to 0xdead000000000122 for better
code generation, by Alexey Dobriyan
- rbtree code size optimizations, by Michel Lespinasse
- convert struct pid count to refcount_t, by Joel Fernandes
get_maintainer.pl:
- add --no-moderated switch to skip moderated ML's, by Joe Perches
misc:
- ptrace PTRACE_GET_SYSCALL_INFO interface
- coda updates
- gdb scripts, various"
[ Using merge message suggestion from Vlastimil Babka, with some editing - Linus ]
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (100 commits)
fs/select.c: use struct_size() in kmalloc()
mm: add account_locked_vm utility function
arm64: mm: implement pte_devmap support
mm: introduce ARCH_HAS_PTE_DEVMAP
mm: clean up is_device_*_page() definitions
mm/mmap: move common defines to mman-common.h
mm: move MAP_SYNC to asm-generic/mman-common.h
device-dax: "Hotremove" persistent memory that is used like normal RAM
mm/hotplug: make remove_memory() interface usable
device-dax: fix memory and resource leak if hotplug fails
include/linux/lz4.h: fix spelling and copy-paste errors in documentation
ipc/mqueue.c: only perform resource calculation if user valid
include/asm-generic/bug.h: fix "cut here" for WARN_ON for __WARN_TAINT architectures
scripts/gdb: add helpers to find and list devices
scripts/gdb: add lx-genpd-summary command
drivers/pps/pps.c: clear offset flags in PPS_SETPARAMS ioctl
kernel/pid.c: convert struct pid count to refcount_t
drivers/rapidio/devices/rio_mport_cdev.c: NUL terminate some strings
select: shift restore_saved_sigmask_unless() into poll_select_copy_remaining()
select: change do_poll() to return -ERESTARTNOHAND rather than -EINTR
...
Diffstat (limited to 'arch')
44 files changed, 255 insertions, 409 deletions
diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h index ccf9d65166bb..af2c0063dc75 100644 --- a/arch/alpha/include/asm/io.h +++ b/arch/alpha/include/asm/io.h @@ -93,11 +93,6 @@ static inline void * phys_to_virt(unsigned long address) #define page_to_phys(page) page_to_pa(page) -static inline dma_addr_t __deprecated isa_page_to_bus(struct page *page) -{ - return page_to_phys(page); -} - /* Maximum PIO space address supported? */ #define IO_SPACE_LIMIT 0xffff diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h index da446180f17b..1d87c18a2976 100644 --- a/arch/arc/include/asm/pgtable.h +++ b/arch/arc/include/asm/pgtable.h @@ -32,7 +32,7 @@ #ifndef _ASM_ARC_PGTABLE_H #define _ASM_ARC_PGTABLE_H -#include <linux/const.h> +#include <linux/bits.h> #define __ARCH_USE_5LEVEL_HACK #include <asm-generic/pgtable-nopmd.h> #include <asm/page.h> @@ -215,11 +215,11 @@ #define BITS_FOR_PTE (PGDIR_SHIFT - PAGE_SHIFT) #define BITS_FOR_PGD (32 - PGDIR_SHIFT) -#define PGDIR_SIZE _BITUL(PGDIR_SHIFT) /* vaddr span, not PDG sz */ +#define PGDIR_SIZE BIT(PGDIR_SHIFT) /* vaddr span, not PDG sz */ #define PGDIR_MASK (~(PGDIR_SIZE-1)) -#define PTRS_PER_PTE _BITUL(BITS_FOR_PTE) -#define PTRS_PER_PGD _BITUL(BITS_FOR_PGD) +#define PTRS_PER_PTE BIT(BITS_FOR_PTE) +#define PTRS_PER_PGD BIT(BITS_FOR_PGD) /* * Number of entries a user land program use. diff --git a/arch/arc/plat-eznps/include/plat/ctop.h b/arch/arc/plat-eznps/include/plat/ctop.h index 309a994f64f0..a4a61531c7fb 100644 --- a/arch/arc/plat-eznps/include/plat/ctop.h +++ b/arch/arc/plat-eznps/include/plat/ctop.h @@ -10,6 +10,7 @@ #error "Incorrect ctop.h include" #endif +#include <linux/bits.h> #include <linux/types.h> #include <soc/nps/common.h> @@ -51,19 +52,19 @@ #define CTOP_INST_AXOR_DI_R2_R2_R3 0x4A664C06 /* Do not use D$ for address in 2G-3G */ -#define HW_COMPLY_KRN_NOT_D_CACHED _BITUL(28) +#define HW_COMPLY_KRN_NOT_D_CACHED BIT(28) #define NPS_MSU_EN_CFG 0x80 #define NPS_CRG_BLKID 0x480 -#define NPS_CRG_SYNC_BIT _BITUL(0) +#define NPS_CRG_SYNC_BIT BIT(0) #define NPS_GIM_BLKID 0x5C0 /* GIM registers and fields*/ -#define NPS_GIM_UART_LINE _BITUL(7) -#define NPS_GIM_DBG_LAN_EAST_TX_DONE_LINE _BITUL(10) -#define NPS_GIM_DBG_LAN_EAST_RX_RDY_LINE _BITUL(11) -#define NPS_GIM_DBG_LAN_WEST_TX_DONE_LINE _BITUL(25) -#define NPS_GIM_DBG_LAN_WEST_RX_RDY_LINE _BITUL(26) +#define NPS_GIM_UART_LINE BIT(7) +#define NPS_GIM_DBG_LAN_EAST_TX_DONE_LINE BIT(10) +#define NPS_GIM_DBG_LAN_EAST_RX_RDY_LINE BIT(11) +#define NPS_GIM_DBG_LAN_WEST_TX_DONE_LINE BIT(25) +#define NPS_GIM_DBG_LAN_WEST_RX_RDY_LINE BIT(26) #ifndef __ASSEMBLY__ /* Functional registers definition */ diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index f11c35cf0b74..7a0596fcb2e7 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -30,7 +30,6 @@ * ISA I/O bus memory addresses are 1:1 with the physical address. */ #define isa_virt_to_bus virt_to_phys -#define isa_page_to_bus page_to_phys #define isa_bus_to_virt phys_to_virt /* diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 0e417233dad7..890eeaac3cbb 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -27,28 +27,6 @@ #ifdef CONFIG_MMU -#ifdef CONFIG_KPROBES -static inline int notify_page_fault(struct pt_regs *regs, unsigned int fsr) -{ - int ret = 0; - - if (!user_mode(regs)) { - /* kprobe_running() needs smp_processor_id() */ - preempt_disable(); - if (kprobe_running() && kprobe_fault_handler(regs, fsr)) - ret = 1; - preempt_enable(); - } - - return ret; -} -#else -static inline int notify_page_fault(struct pt_regs *regs, unsigned int fsr) -{ - return 0; -} -#endif - /* * This is useful to dump out the page tables associated with * 'addr' in mm 'mm'. @@ -265,7 +243,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) vm_fault_t fault; unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; - if (notify_page_fault(regs, fsr)) + if (kprobe_page_fault(regs, fsr)) return 0; tsk = current; diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 86f81b5afd95..e1ea69994e0f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -24,6 +24,7 @@ config ARM64 select ARCH_HAS_KCOV select ARCH_HAS_KEEPINITRD select ARCH_HAS_MEMBARRIER_SYNC_CORE + select ARCH_HAS_PTE_DEVMAP select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_SETUP_DMA_OPS select ARCH_HAS_SET_DIRECT_MAP diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h index f318258a14be..92d2e9f28f28 100644 --- a/arch/arm64/include/asm/pgtable-prot.h +++ b/arch/arm64/include/asm/pgtable-prot.h @@ -16,6 +16,7 @@ #define PTE_WRITE (PTE_DBM) /* same as DBM (51) */ #define PTE_DIRTY (_AT(pteval_t, 1) << 55) #define PTE_SPECIAL (_AT(pteval_t, 1) << 56) +#define PTE_DEVMAP (_AT(pteval_t, 1) << 57) #define PTE_PROT_NONE (_AT(pteval_t, 1) << 58) /* only when !PTE_VALID */ #ifndef __ASSEMBLY__ diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 3052381baaeb..87a4b2ddc1a1 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -79,6 +79,7 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; #define pte_write(pte) (!!(pte_val(pte) & PTE_WRITE)) #define pte_user_exec(pte) (!(pte_val(pte) & PTE_UXN)) #define pte_cont(pte) (!!(pte_val(pte) & PTE_CONT)) +#define pte_devmap(pte) (!!(pte_val(pte) & PTE_DEVMAP)) #define pte_cont_addr_end(addr, end) \ ({ unsigned long __boundary = ((addr) + CONT_PTE_SIZE) & CONT_PTE_MASK; \ @@ -206,6 +207,11 @@ static inline pmd_t pmd_mkcont(pmd_t pmd) return __pmd(pmd_val(pmd) | PMD_SECT_CONT); } +static inline pte_t pte_mkdevmap(pte_t pte) +{ + return set_pte_bit(pte, __pgprot(PTE_DEVMAP)); +} + static inline void set_pte(pte_t *ptep, pte_t pte) { WRITE_ONCE(*ptep, pte); @@ -388,6 +394,11 @@ static inline int pmd_protnone(pmd_t pmd) #define pmd_mkhuge(pmd) (__pmd(pmd_val(pmd) & ~PMD_TABLE_BIT)) +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +#define pmd_devmap(pmd) pte_devmap(pmd_pte(pmd)) +#endif +#define pmd_mkdevmap(pmd) pte_pmd(pte_mkdevmap(pmd_pte(pmd))) + #define __pmd_to_phys(pmd) __pte_to_phys(pmd_pte(pmd)) #define __phys_to_pmd_val(phys) __phys_to_pte_val(phys) #define pmd_pfn(pmd) ((__pmd_to_phys(pmd) & PMD_MASK) >> PAGE_SHIFT) @@ -673,6 +684,16 @@ static inline int pmdp_set_access_flags(struct vm_area_struct *vma, { return ptep_set_access_flags(vma, address, (pte_t *)pmdp, pmd_pte(entry), dirty); } + +static inline int pud_devmap(pud_t pud) +{ + return 0; +} + +static inline int pgd_devmap(pgd_t pgd) +{ + return 0; +} #endif /* diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index a7522fca1105..06ebcfef73df 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -9,7 +9,7 @@ #ifndef __ASM_SYSREG_H #define __ASM_SYSREG_H -#include <linux/const.h> +#include <linux/bits.h> #include <linux/stringify.h> /* @@ -478,31 +478,31 @@ #define SYS_CNTV_CVAL_EL02 sys_reg(3, 5, 14, 3, 2) /* Common SCTLR_ELx flags. */ -#define SCTLR_ELx_DSSBS (_BITUL(44)) -#define SCTLR_ELx_ENIA (_BITUL(31)) -#define SCTLR_ELx_ENIB (_BITUL(30)) -#define SCTLR_ELx_ENDA (_BITUL(27)) -#define SCTLR_ELx_EE (_BITUL(25)) -#define SCTLR_ELx_IESB (_BITUL(21)) -#define SCTLR_ELx_WXN (_BITUL(19)) -#define SCTLR_ELx_ENDB (_BITUL(13)) -#define SCTLR_ELx_I (_BITUL(12)) -#define SCTLR_ELx_SA (_BITUL(3)) -#define SCTLR_ELx_C (_BITUL(2)) -#define SCTLR_ELx_A (_BITUL(1)) -#define SCTLR_ELx_M (_BITUL(0)) +#define SCTLR_ELx_DSSBS (BIT(44)) +#define SCTLR_ELx_ENIA (BIT(31)) +#define SCTLR_ELx_ENIB (BIT(30)) +#define SCTLR_ELx_ENDA (BIT(27)) +#define SCTLR_ELx_EE (BIT(25)) +#define SCTLR_ELx_IESB (BIT(21)) +#define SCTLR_ELx_WXN (BIT(19)) +#define SCTLR_ELx_ENDB (BIT(13)) +#define SCTLR_ELx_I (BIT(12)) +#define SCTLR_ELx_SA (BIT(3)) +#define SCTLR_ELx_C (BIT(2)) +#define SCTLR_ELx_A (BIT(1)) +#define SCTLR_ELx_M (BIT(0)) #define SCTLR_ELx_FLAGS (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | \ SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB) /* SCTLR_EL2 specific flags. */ -#define SCTLR_EL2_RES1 ((_BITUL(4)) | (_BITUL(5)) | (_BITUL(11)) | (_BITUL(16)) | \ - (_BITUL(18)) | (_BITUL(22)) | (_BITUL(23)) | (_BITUL(28)) | \ - (_BITUL(29))) -#define SCTLR_EL2_RES0 ((_BITUL(6)) | (_BITUL(7)) | (_BITUL(8)) | (_BITUL(9)) | \ - (_BITUL(10)) | (_BITUL(13)) | (_BITUL(14)) | (_BITUL(15)) | \ - (_BITUL(17)) | (_BITUL(20)) | (_BITUL(24)) | (_BITUL(26)) | \ - (_BITUL(27)) | (_BITUL(30)) | (_BITUL(31)) | \ +#define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \ + (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \ + (BIT(29))) +#define SCTLR_EL2_RES0 ((BIT(6)) | (BIT(7)) | (BIT(8)) | (BIT(9)) | \ + (BIT(10)) | (BIT(13)) | (BIT(14)) | (BIT(15)) | \ + (BIT(17)) | (BIT(20)) | (BIT(24)) | (BIT(26)) | \ + (BIT(27)) | (BIT(30)) | (BIT(31)) | \ (0xffffefffUL << 32)) #ifdef CONFIG_CPU_BIG_ENDIAN @@ -524,23 +524,23 @@ #endif /* SCTLR_EL1 specific flags. */ -#define SCTLR_EL1_UCI (_BITUL(26)) -#define SCTLR_EL1_E0E (_BITUL(24)) -#define SCTLR_EL1_SPAN (_BITUL(23)) -#define SCTLR_EL1_NTWE (_BITUL(18)) -#define SCTLR_EL1_NTWI (_BITUL(16)) -#define SCTLR_EL1_UCT (_BITUL(15)) -#define SCTLR_EL1_DZE (_BITUL(14)) -#define SCTLR_EL1_UMA (_BITUL(9)) -#define SCTLR_EL1_SED (_BITUL(8)) -#define SCTLR_EL1_ITD (_BITUL(7)) -#define SCTLR_EL1_CP15BEN (_BITUL(5)) -#define SCTLR_EL1_SA0 (_BITUL(4)) - -#define SCTLR_EL1_RES1 ((_BITUL(11)) | (_BITUL(20)) | (_BITUL(22)) | (_BITUL(28)) | \ - (_BITUL(29))) -#define SCTLR_EL1_RES0 ((_BITUL(6)) | (_BITUL(10)) | (_BITUL(13)) | (_BITUL(17)) | \ - (_BITUL(27)) | (_BITUL(30)) | (_BITUL(31)) | \ +#define SCTLR_EL1_UCI (BIT(26)) +#define SCTLR_EL1_E0E (BIT(24)) +#define SCTLR_EL1_SPAN (BIT(23)) +#define SCTLR_EL1_NTWE (BIT(18)) +#define SCTLR_EL1_NTWI (BIT(16)) +#define SCTLR_EL1_UCT (BIT(15)) +#define SCTLR_EL1_DZE (BIT(14)) +#define SCTLR_EL1_UMA (BIT(9)) +#define SCTLR_EL1_SED (BIT(8)) +#define SCTLR_EL1_ITD (BIT(7)) +#define SCTLR_EL1_CP15BEN (BIT(5)) +#define SCTLR_EL1_SA0 (BIT(4)) + +#define SCTLR_EL1_RES1 ((BIT(11)) | (BIT(20)) | (BIT(22)) | (BIT(28)) | \ + (BIT(29))) +#define SCTLR_EL1_RES0 ((BIT(6)) | (BIT(10)) | (BIT(13)) | (BIT(17)) | \ + (BIT(27)) | (BIT(30)) | (BIT(31)) | \ (0xffffefffUL << 32)) #ifdef CONFIG_CPU_BIG_ENDIAN @@ -756,13 +756,13 @@ #define ZCR_ELx_LEN_SIZE 9 #define ZCR_ELx_LEN_MASK 0x1ff -#define CPACR_EL1_ZEN_EL1EN (_BITUL(16)) /* enable EL1 access */ -#define CPACR_EL1_ZEN_EL0EN (_BITUL(17)) /* enable EL0 access, if EL1EN set */ +#define CPACR_EL1_ZEN_EL1EN (BIT(16)) /* enable EL1 access */ +#define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */ #define CPACR_EL1_ZEN (CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN) /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */ -#define SYS_MPIDR_SAFE_VAL (_BITUL(31)) +#define SYS_MPIDR_SAFE_VAL (BIT(31)) #ifdef __ASSEMBLY__ diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index c8c61b1eb479..9568c116ac7f 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -59,28 +59,6 @@ static inline const struct fault_info *esr_to_debug_fault_info(unsigned int esr) return debug_fault_info + DBG_ESR_EVT(esr); } -#ifdef CONFIG_KPROBES -static inline int notify_page_fault(struct pt_regs *regs, unsigned int esr) -{ - int ret = 0; - - /* kprobe_running() needs smp_processor_id() */ - if (!user_mode(regs)) { - preempt_disable(); - if (kprobe_running() && kprobe_fault_handler(regs, esr)) - ret = 1; - preempt_enable(); - } - - return ret; -} -#else -static inline int notify_page_fault(struct pt_regs *regs, unsigned int esr) -{ - return 0; -} -#endif - static void data_abort_decode(unsigned int esr) { pr_alert("Data abort info:\n"); @@ -434,7 +412,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr, unsigned long vm_flags = VM_READ | VM_WRITE; unsigned int mm_flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; - if (notify_page_fault(regs, esr)) + if (kprobe_page_fault(regs, esr)) return 0; /* diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 1b49c08dfa2b..e661469cabdd 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -942,6 +942,11 @@ void *__init fixmap_remap_fdt(phys_addr_t dt_phys) return dt_virt; } +int __init arch_ioremap_p4d_supported(void) +{ + return 0; +} + int __init arch_ioremap_pud_supported(void) { /* diff --git a/arch/hexagon/include/asm/syscall.h b/arch/hexagon/include/asm/syscall.h index 4f054b1ddef5..f6e454f18038 100644 --- a/arch/hexagon/include/asm/syscall.h +++ b/arch/hexagon/include/asm/syscall.h @@ -9,6 +9,8 @@ #define _ASM_HEXAGON_SYSCALL_H #include <uapi/linux/audit.h> +#include <linux/err.h> +#include <asm/ptrace.h> typedef long (*syscall_fn)(unsigned long, unsigned long, unsigned long, unsigned long, @@ -31,6 +33,18 @@ static inline void syscall_get_arguments(struct task_struct *task, memcpy(args, &(®s->r00)[0], 6 * sizeof(args[0])); } +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + return IS_ERR_VALUE(regs->r00) ? regs->r00 : 0; +} + +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->r00; +} + static inline int syscall_get_arch(struct task_struct *task) { return AUDIT_ARCH_HEXAGON; diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index 3c3a283d3172..c2f299fe9e04 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -21,28 +21,6 @@ extern int die(char *, struct pt_regs *, long); -#ifdef CONFIG_KPROBES -static inline int notify_page_fault(struct pt_regs *regs, int trap) -{ - int ret = 0; - - if (!user_mode(regs)) { - /* kprobe_running() needs smp_processor_id() */ - preempt_disable(); - if (kprobe_running() && kprobe_fault_handler(regs, trap)) - ret = 1; - preempt_enable(); - } - - return ret; -} -#else -static inline int notify_page_fault(struct pt_regs *regs, int trap) -{ - return 0; -} -#endif - /* * Return TRUE if ADDRESS points at a page in the kernel's mapped segment * (inside region 5, on ia64) and that page is present. @@ -116,7 +94,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re /* * This is to handle the kprobes on user space access instructions */ - if (notify_page_fault(regs, TRAP_BRKPT)) + if (kprobe_page_fault(regs, TRAP_BRKPT)) return; if (user_mode(regs)) diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index 29997e42480e..1790274c27eb 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -149,8 +149,6 @@ static inline void *isa_bus_to_virt(unsigned long address) return phys_to_virt(address); } -#define isa_page_to_bus page_to_phys - /* * However PCI ones are not necessarily 1:1 and therefore these interfaces * are forbidden in portable PCI drivers. diff --git a/arch/mips/include/asm/kprobes.h b/arch/mips/include/asm/kprobes.h index 3cf8e4d5fa28..68b1e5d458cf 100644 --- a/arch/mips/include/asm/kprobes.h +++ b/arch/mips/include/asm/kprobes.h @@ -41,6 +41,7 @@ do { \ #define kretprobe_blacklist_size 0 void arch_remove_kprobe(struct kprobe *p); +int kprobe_fault_handler(struct pt_regs *regs, int trapnr); /* Architecture specific copy of original instruction*/ struct arch_specific_insn { diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h index acf80ae0a430..83bb439597d8 100644 --- a/arch/mips/include/asm/syscall.h +++ b/arch/mips/include/asm/syscall.h @@ -89,6 +89,12 @@ static inline unsigned long mips_get_syscall_arg(unsigned long *arg, unreachable(); } +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->regs[7] ? -regs->regs[2] : 0; +} + static inline long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) { diff --git a/arch/mips/kernel/kprobes.c b/arch/mips/kernel/kprobes.c index 81ba1d3c367c..6cfae2411c04 100644 --- a/arch/mips/kernel/kprobes.c +++ b/arch/mips/kernel/kprobes.c @@ -398,7 +398,7 @@ out: return 1; } -static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) +int kprobe_fault_handler(struct pt_regs *regs, int trapnr) { struct kprobe *cur = kprobe_running(); struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); diff --git a/arch/nds32/include/asm/syscall.h b/arch/nds32/include/asm/syscall.h index 899b2fb4b52f..7b5180d78e20 100644 --- a/arch/nds32/include/asm/syscall.h +++ b/arch/nds32/include/asm/syscall.h @@ -26,7 +26,8 @@ struct pt_regs; * * It's only valid to call this when @task is known to be blocked. */ -int syscall_get_nr(struct task_struct *task, struct pt_regs *regs) +static inline int +syscall_get_nr(struct task_struct *task, struct pt_regs *regs) { return regs->syscallno; } @@ -47,7 +48,8 @@ int syscall_get_nr(struct task_struct *task, struct pt_regs *regs) * system call instruction. This may not be the same as what the * register state looked like at system call entry tracing. */ -void syscall_rollback(struct task_struct *task, struct pt_regs *regs) +static inline void +syscall_rollback(struct task_struct *task, struct pt_regs *regs) { regs->uregs[0] = regs->orig_r0; } @@ -62,7 +64,8 @@ void syscall_rollback(struct task_struct *task, struct pt_regs *regs) * It's only valid to call this when @task is stopped for tracing on exit * from a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT. */ -long syscall_get_error(struct task_struct *task, struct pt_regs *regs) +static inline long +syscall_get_error(struct task_struct *task, struct pt_regs *regs) { unsigned long error = regs->uregs[0]; return IS_ERR_VALUE(error) ? error : 0; @@ -79,7 +82,8 @@ long syscall_get_error(struct task_struct *task, struct pt_regs *regs) * It's only valid to call this when @task is stopped for tracing on exit * from a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT. */ -long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) +static inline long +syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) { return regs->uregs[0]; } @@ -99,8 +103,9 @@ long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) * It's only valid to call this when @task is stopped for tracing on exit * from a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT. */ -void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, - int error, long val) +static inline void +syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, + int error, long val) { regs->uregs[0] = (long)error ? error : val; } @@ -118,8 +123,9 @@ void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, * entry to a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT. */ #define SYSCALL_MAX_ARGS 6 -void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, - unsigned long *args) +static inline void +syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, + unsigned long *args) { args[0] = regs->orig_r0; args++; @@ -138,8 +144,9 @@ void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, * It's only valid to call this when @task is stopped for tracing on * entry to a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT. */ -void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, - const unsigned long *args) +static inline void +syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, + const unsigned long *args) { regs->orig_r0 = args[0]; args++; diff --git a/arch/parisc/include/asm/syscall.h b/arch/parisc/include/asm/syscall.h index 80757e43cf2c..00b127a5e09b 100644 --- a/arch/parisc/include/asm/syscall.h +++ b/arch/parisc/include/asm/syscall.h @@ -29,6 +29,13 @@ static inline void syscall_get_arguments(struct task_struct *tsk, args[0] = regs->gr[26]; } +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + unsigned long error = regs->gr[28]; + return IS_ERR_VALUE(error) ? error : 0; +} + static inline long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) { diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index f516796dd819..d8dcd8820369 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -129,6 +129,7 @@ config PPC select ARCH_HAS_MMIOWB if PPC64 select ARCH_HAS_PHYS_TO_DMA select ARCH_HAS_PMEM_API if PPC64 + select ARCH_HAS_PTE_DEVMAP if PPC_BOOK3S_64 select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_MEMBARRIER_CALLBACKS select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC64 @@ -136,7 +137,6 @@ config PPC select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST sele |