diff options
Diffstat (limited to 'arch/alpha/kernel')
-rw-r--r-- | arch/alpha/kernel/pci_iommu.c | 6 | ||||
-rw-r--r-- | arch/alpha/kernel/signal.c | 8 | ||||
-rw-r--r-- | arch/alpha/kernel/time.c | 79 | ||||
-rw-r--r-- | arch/alpha/kernel/vmlinux.lds.S | 9 |
4 files changed, 18 insertions, 84 deletions
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index bfb880af959..d15aedfe606 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -268,11 +268,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size, assume it doesn't support sg mapping, and, since we tried to use direct_map above, it now must be considered an error. */ if (! alpha_mv.mv_pci_tbi) { - static int been_here = 0; /* Only print the message once. */ - if (!been_here) { - printk(KERN_WARNING "pci_map_single: no HW sg\n"); - been_here = 1; - } + printk_once(KERN_WARNING "pci_map_single: no HW sg\n"); return 0; } diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index df65eaa84c4..0932dbb1ef8 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -20,6 +20,7 @@ #include <linux/binfmts.h> #include <linux/bitops.h> #include <linux/syscalls.h> +#include <linux/tracehook.h> #include <asm/uaccess.h> #include <asm/sigcontext.h> @@ -683,4 +684,11 @@ do_notify_resume(struct pt_regs *regs, struct switch_stack *sw, { if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) do_signal(regs, sw, r0, r19); + + 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(); + } } diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index b04e2cbf23a..5d0826654c6 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -408,28 +408,17 @@ time_init(void) * part. So we can't do the "find absolute time in terms of cycles" thing * that the other ports do. */ -void -do_gettimeofday(struct timeval *tv) +u32 arch_gettimeoffset(void) { - unsigned long flags; - unsigned long sec, usec, seq; - unsigned long delta_cycles, delta_usec, partial_tick; - - do { - seq = read_seqbegin_irqsave(&xtime_lock, flags); - - delta_cycles = rpcc() - state.last_time; - sec = xtime.tv_sec; - usec = (xtime.tv_nsec / 1000); - partial_tick = state.partial_tick; - - } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - #ifdef CONFIG_SMP /* Until and unless we figure out how to get cpu cycle counters in sync and keep them there, we can't use the rpcc tricks. */ - delta_usec = 0; + return 0; #else + unsigned long delta_cycles, delta_usec, partial_tick; + + delta_cycles = rpcc() - state.last_time; + partial_tick = state.partial_tick; /* * usec = cycles * ticks_per_cycle * 2**48 * 1e6 / (2**48 * ticks) * = cycles * (s_t_p_c) * 1e6 / (2**48 * ticks) @@ -446,64 +435,10 @@ do_gettimeofday(struct timeval *tv) delta_usec = (delta_cycles * state.scaled_ticks_per_cycle + partial_tick) * 15625; delta_usec = ((delta_usec / ((1UL << (FIX_SHIFT-6-1)) * HZ)) + 1) / 2; + return delta_usec * 1000; #endif - - usec += delta_usec; - if (usec >= 1000000) { - sec += 1; - usec -= 1000000; - } - - 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; - unsigned long delta_nsec; - - if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) - return -EINVAL; - - write_seqlock_irq(&xtime_lock); - - /* The offset that is added into time in do_gettimeofday above - must be subtracted out here to keep a coherent view of the - time. Without this, a full-tick error is possible. */ - -#ifdef CONFIG_SMP - delta_nsec = 0; -#else - delta_nsec = rpcc() - state.last_time; - delta_nsec = (delta_nsec * state.scaled_ticks_per_cycle - + state.partial_tick) * 15625; - delta_nsec = ((delta_nsec / ((1UL << (FIX_SHIFT-6-1)) * HZ)) + 1) / 2; - delta_nsec *= 1000; -#endif - - nsec -= delta_nsec; - - 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 diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S index b9d6568e5f7..6dc03c35caa 100644 --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -134,13 +134,6 @@ SECTIONS __bss_stop = .; _end = .; - /* Sections to be discarded */ - /DISCARD/ : { - EXIT_TEXT - EXIT_DATA - *(.exitcall.exit) - } - .mdebug 0 : { *(.mdebug) } @@ -150,4 +143,6 @@ SECTIONS STABS_DEBUG DWARF_DEBUG + + DISCARDS } |