diff options
author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2009-09-23 03:49:27 +0400 |
---|---|---|
committer | Anton Vorontsov <avorontsov@ru.mvista.com> | 2009-09-23 03:49:27 +0400 |
commit | f056878332a91ed984a116bad4e7d49aefff9e6e (patch) | |
tree | 572f4757c8e7811d45e0be0c2ae529c78fb63441 /arch/m32r | |
parent | 3961f7c3cf247eee5df7fabadc7a40f2deeb98f3 (diff) | |
parent | 7fa07729e439a6184bd824746d06a49cca553f15 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/power/wm97xx_battery.c
Diffstat (limited to 'arch/m32r')
-rw-r--r-- | arch/m32r/Kconfig | 6 | ||||
-rw-r--r-- | arch/m32r/include/asm/hardirq.h | 15 | ||||
-rw-r--r-- | arch/m32r/include/asm/mman.h | 18 | ||||
-rw-r--r-- | arch/m32r/include/asm/pgalloc.h | 4 | ||||
-rw-r--r-- | arch/m32r/include/asm/socket.h | 3 | ||||
-rw-r--r-- | arch/m32r/include/asm/thread_info.h | 6 | ||||
-rw-r--r-- | arch/m32r/kernel/ptrace.c | 6 | ||||
-rw-r--r-- | arch/m32r/kernel/signal.c | 8 | ||||
-rw-r--r-- | arch/m32r/kernel/smpboot.c | 2 | ||||
-rw-r--r-- | arch/m32r/kernel/time.c | 74 | ||||
-rw-r--r-- | arch/m32r/kernel/vmlinux.lds.S | 10 | ||||
-rw-r--r-- | arch/m32r/mm/init.c | 2 |
12 files changed, 35 insertions, 119 deletions
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index cabba332cc4..c41234f1b82 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -41,6 +41,12 @@ config HZ int default 100 +config GENERIC_TIME + def_bool y + +config ARCH_USES_GETTIMEOFFSET + def_bool y + source "init/Kconfig" source "kernel/Kconfig.freezer" diff --git a/arch/m32r/include/asm/hardirq.h b/arch/m32r/include/asm/hardirq.h index cb8aa762f23..4c31c0ae215 100644 --- a/arch/m32r/include/asm/hardirq.h +++ b/arch/m32r/include/asm/hardirq.h @@ -2,14 +2,7 @@ #ifndef __ASM_HARDIRQ_H #define __ASM_HARDIRQ_H -#include <linux/threads.h> -#include <linux/irq.h> - -typedef struct { - unsigned int __softirq_pending; -} ____cacheline_aligned irq_cpustat_t; - -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ +#include <asm/irq.h> #if NR_IRQS > 256 #define HARDIRQ_BITS 9 @@ -26,11 +19,7 @@ typedef struct { # error HARDIRQ_BITS is too low! #endif -static inline void ack_bad_irq(int irq) -{ - printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq); - BUG(); -} +#include <asm-generic/hardirq.h> #endif /* __ASM_HARDIRQ_H */ #endif /* __KERNEL__ */ diff --git a/arch/m32r/include/asm/mman.h b/arch/m32r/include/asm/mman.h index 04a5f40aa40..8eebf89f5ab 100644 --- a/arch/m32r/include/asm/mman.h +++ b/arch/m32r/include/asm/mman.h @@ -1,17 +1 @@ -#ifndef __M32R_MMAN_H__ -#define __M32R_MMAN_H__ - -#include <asm-generic/mman-common.h> - -#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ -#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ -#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ -#define MAP_LOCKED 0x2000 /* pages are locked */ -#define MAP_NORESERVE 0x4000 /* don't check for reservations */ -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ - -#define MCL_CURRENT 1 /* lock all current mappings */ -#define MCL_FUTURE 2 /* lock all future mappings */ - -#endif /* __M32R_MMAN_H__ */ +#include <asm-generic/mman.h> diff --git a/arch/m32r/include/asm/pgalloc.h b/arch/m32r/include/asm/pgalloc.h index f11a2b909cd..0fc73619897 100644 --- a/arch/m32r/include/asm/pgalloc.h +++ b/arch/m32r/include/asm/pgalloc.h @@ -58,7 +58,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) __free_page(pte); } -#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte)) +#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) /* * allocating and freeing a pmd is trivial: the 1-entry pmd is @@ -68,7 +68,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) #define pmd_free(mm, x) do { } while (0) -#define __pmd_free_tlb(tlb, x) do { } while (0) +#define __pmd_free_tlb(tlb, x, addr) do { } while (0) #define pgd_populate(mm, pmd, pte) BUG() #define check_pgt_cache() do { } while (0) diff --git a/arch/m32r/include/asm/socket.h b/arch/m32r/include/asm/socket.h index be7ed589af5..3390a864f22 100644 --- a/arch/m32r/include/asm/socket.h +++ b/arch/m32r/include/asm/socket.h @@ -57,4 +57,7 @@ #define SO_TIMESTAMPING 37 #define SCM_TIMESTAMPING SO_TIMESTAMPING +#define SO_PROTOCOL 38 +#define SO_DOMAIN 39 + #endif /* _ASM_M32R_SOCKET_H */ diff --git a/arch/m32r/include/asm/thread_info.h b/arch/m32r/include/asm/thread_info.h index 8589d462df2..71578151a40 100644 --- a/arch/m32r/include/asm/thread_info.h +++ b/arch/m32r/include/asm/thread_info.h @@ -57,8 +57,6 @@ struct thread_info { /* * macros/functions for gaining access to the thread information structure - * - * preempt_count needs to be 1 initially, until the scheduler is functional. */ #ifndef __ASSEMBLY__ @@ -68,7 +66,7 @@ struct thread_info { .exec_domain = &default_exec_domain, \ .flags = 0, \ .cpu = 0, \ - .preempt_count = 1, \ + .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ .restart_block = { \ .fn = do_no_restart_syscall, \ @@ -151,6 +149,7 @@ static inline unsigned int get_thread_fault_code(void) #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */ #define TIF_IRET 4 /* return with iret */ +#define TIF_NOTIFY_RESUME 5 /* callback before returning to user */ #define TIF_RESTORE_SIGMASK 8 /* restore signal mask in do_signal() */ #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ #define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ @@ -162,6 +161,7 @@ static inline unsigned int get_thread_fault_code(void) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) #define _TIF_IRET (1<<TIF_IRET) +#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_USEDFPU (1<<TIF_USEDFPU) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c index bf0abe9e1f7..98682bba0ed 100644 --- a/arch/m32r/kernel/ptrace.c +++ b/arch/m32r/kernel/ptrace.c @@ -19,7 +19,6 @@ #include <linux/mm.h> #include <linux/err.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> @@ -78,7 +77,7 @@ static int ptrace_read_user(struct task_struct *tsk, unsigned long off, struct user * dummy = NULL; #endif - if ((off & 3) || (off < 0) || (off > sizeof(struct user) - 3)) + if ((off & 3) || off > sizeof(struct user) - 3) return -EIO; off >>= 2; @@ -140,8 +139,7 @@ static int ptrace_write_user(struct task_struct *tsk, unsigned long off, struct user * dummy = NULL; #endif - if ((off & 3) || off < 0 || - off > sizeof(struct user) - 3) + if ((off & 3) || off > sizeof(struct user) - 3) return -EIO; off >>= 2; diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index 18124542a6e..144b0f124fc 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -21,6 +21,7 @@ #include <linux/stddef.h> #include <linux/personality.h> #include <linux/freezer.h> +#include <linux/tracehook.h> #include <asm/cacheflush.h> #include <asm/ucontext.h> #include <asm/uaccess.h> @@ -408,5 +409,12 @@ void do_notify_resume(struct pt_regs *regs, sigset_t *oldset, if (thread_info_flags & _TIF_SIGPENDING) do_signal(regs,oldset); + if (thread_info_flags & _TIF_NOTIFY_RESUME) { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + if (current->replacement_session_keyring) + key_replace_session_keyring(); + } + clear_thread_flag(TIF_IRET); } diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index 2547d6c4a82..655ea1c47a0 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -213,7 +213,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) if (!physid_isset(phys_id, phys_cpu_present_map)) continue; - if ((max_cpus >= 0) && (max_cpus <= cpucount + 1)) + if (max_cpus <= cpucount + 1) continue; do_boot_cpu(phys_id); diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index cada3ba4b99..ba61c4c7320 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -48,7 +48,7 @@ extern void smp_local_timer_interrupt(void); static unsigned long latch; -static unsigned long do_gettimeoffset(void) +u32 arch_gettimeoffset(void) { unsigned long elapsed_time = 0; /* [us] */ @@ -93,79 +93,10 @@ static unsigned long do_gettimeoffset(void) #error no chip configuration #endif - return elapsed_time; + return elapsed_time * 1000; } /* - * This version of gettimeofday has near microsecond resolution. - */ -void do_gettimeofday(struct timeval *tv) -{ - unsigned long seq; - unsigned long usec, sec; - unsigned long max_ntp_tick = tick_usec - tickadj; - - do { - seq = read_seqbegin(&xtime_lock); - - usec = do_gettimeoffset(); - - /* - * If time_adjust is negative then NTP is slowing the clock - * so make sure not to go into next possible interval. - * Better to lose some accuracy than have time go backwards.. - */ - if (unlikely(time_adjust < 0)) - usec = min(usec, max_ntp_tick); - - sec = xtime.tv_sec; - usec += (xtime.tv_nsec / 1000); - } while (read_seqretry(&xtime_lock, seq)); - - while (usec >= 1000000) { - usec -= 1000000; - sec++; - } - - tv->tv_sec = sec; - tv->tv_usec = usec; -} - -EXPORT_SYMBOL(do_gettimeofday); - -int do_settimeofday(struct timespec *tv) -{ - time_t wtm_sec, sec = tv->tv_sec; - long wtm_nsec, nsec = tv->tv_nsec; - - if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) - return -EINVAL; - - write_seqlock_irq(&xtime_lock); - /* - * This is revolting. We need to set "xtime" correctly. However, the - * value in this location is the value at the most recent update of - * wall time. Discover what correction gettimeofday() would have - * made, and then undo it! - */ - nsec -= do_gettimeoffset() * NSEC_PER_USEC; - - wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); - wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); - - set_normalized_timespec(&xtime, sec, nsec); - set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); - - ntp_clear(); - write_sequnlock_irq(&xtime_lock); - clock_was_set(); - - return 0; -} - -EXPORT_SYMBOL(do_settimeofday); - -/* * In order to set the CMOS clock precisely, set_rtc_mmss has to be * called 500 ms after the second nowtime has started, because when * nowtime is written into the registers of the CMOS clock, it will @@ -192,6 +123,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) #ifndef CONFIG_SMP profile_tick(CPU_PROFILING); #endif + /* XXX FIXME. Uh, the xtime_lock should be held here, no? */ do_timer(1); #ifndef CONFIG_SMP diff --git a/arch/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S index 4179adf6c62..de5e21cca6a 100644 --- a/arch/m32r/kernel/vmlinux.lds.S +++ b/arch/m32r/kernel/vmlinux.lds.S @@ -120,13 +120,6 @@ SECTIONS _end = . ; - /* Sections to be discarded */ - /DISCARD/ : { - EXIT_TEXT - EXIT_DATA - *(.exitcall.exit) - } - /* Stabs debugging sections. */ .stab 0 : { *(.stab) } .stabstr 0 : { *(.stabstr) } @@ -135,4 +128,7 @@ SECTIONS .stab.index 0 : { *(.stab.index) } .stab.indexstr 0 : { *(.stab.indexstr) } .comment 0 : { *(.comment) } + + /* Sections to be discarded */ + DISCARDS } diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c index 24d429f9358..9f581df3952 100644 --- a/arch/m32r/mm/init.c +++ b/arch/m32r/mm/init.c @@ -171,7 +171,7 @@ void __init mem_init(void) printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, " "%dk reserved, %dk data, %dk init)\n", - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), + nr_free_pages() << (PAGE_SHIFT-10), num_physpages << (PAGE_SHIFT-10), codesize >> 10, reservedpages << (PAGE_SHIFT-10), |