diff options
Diffstat (limited to 'arch/ia64/kernel')
-rw-r--r-- | arch/ia64/kernel/efi.c | 1 | ||||
-rw-r--r-- | arch/ia64/kernel/entry.S | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/fsys.S | 4 | ||||
-rw-r--r-- | arch/ia64/kernel/kprobes.c | 7 | ||||
-rw-r--r-- | arch/ia64/kernel/smp.c | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/ia64/kernel/vmlinux.lds.S | 1 |
7 files changed, 14 insertions, 4 deletions
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 75ec3478d8a..73ca86d0381 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -28,6 +28,7 @@ #include <linux/time.h> #include <linux/efi.h> #include <linux/kexec.h> +#include <linux/mm.h> #include <asm/io.h> #include <asm/kregs.h> diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 95f51751523..c36f43c9460 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1581,7 +1581,7 @@ sys_call_table: data8 sys_sync_file_range // 1300 data8 sys_tee data8 sys_vmsplice - data8 sys_ni_syscall // reserved for move_pages + data8 sys_fallocate data8 sys_getcpu data8 sys_epoll_pwait // 1305 data8 sys_utimensat diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S index 8589e84a27c..3f926c2dc70 100644 --- a/arch/ia64/kernel/fsys.S +++ b/arch/ia64/kernel/fsys.S @@ -247,6 +247,9 @@ ENTRY(fsys_gettimeofday) .time_redo: .pred.rel.mutex p8,p9,p10 ld4.acq r28 = [r29] // xtime_lock.sequence. Must come first for locking purposes + ;; + and r28 = ~1,r28 // Make sequence even to force retry if odd + ;; (p8) mov r2 = ar.itc // CPU_TIMER. 36 clocks latency!!! add r22 = IA64_TIME_INTERPOLATOR_LAST_COUNTER_OFFSET,r20 (p9) ld8 r2 = [r30] // readq(ti->address). Could also have latency issues.. @@ -284,7 +287,6 @@ EX(.fail_efault, probe.w.fault r31, 3) // This takes 5 cycles and we have spare (p15) ld8 r17 = [r19],-IA64_TIMESPEC_TV_NSEC_OFFSET (p7) cmp.ne p7,p0 = r25,r3 // if cmpxchg not successful redo // simulate tbit.nz.or p7,p0 = r28,0 - and r28 = ~1,r28 // Make sequence even to force retry if odd getf.sig r2 = f8 mf add r8 = r8,r18 // Add time interpolator offset diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 5bc46f15134..5dc98b5abcf 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -936,10 +936,15 @@ static void ia64_get_bsp_cfm(struct unw_frame_info *info, void *arg) return; } +unsigned long arch_deref_entry_point(void *entry) +{ + return ((struct fnptr *)entry)->ip; +} + int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) { struct jprobe *jp = container_of(p, struct jprobe, kp); - unsigned long addr = ((struct fnptr *)(jp->entry))->ip; + unsigned long addr = arch_deref_entry_point(jp->entry); struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); struct param_bsp_cfm pa; int bytes; diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c index b3a47f986e1..9f72838db26 100644 --- a/arch/ia64/kernel/smp.c +++ b/arch/ia64/kernel/smp.c @@ -82,7 +82,7 @@ static volatile struct call_data_struct *call_data; #define IPI_KDUMP_CPU_STOP 3 /* This needs to be cacheline aligned because it is written to by *other* CPUs. */ -static DEFINE_PER_CPU(u64, ipi_operation) ____cacheline_aligned; +static DEFINE_PER_CPU_SHARED_ALIGNED(u64, ipi_operation); extern void cpu_halt (void); diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index 15ad85da15a..3aeaf15e468 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -69,6 +69,7 @@ die (const char *str, struct pt_regs *regs, long err) bust_spinlocks(0); die.lock_owner = -1; + add_taint(TAINT_DIE); spin_unlock_irq(&die.lock); if (panic_on_oops) diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index 5a65965c8b5..860f251d2fc 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -206,6 +206,7 @@ SECTIONS { __per_cpu_start = .; *(.data.percpu) + *(.data.percpu.shared_aligned) __per_cpu_end = .; } . = __phys_per_cpu_start + PERCPU_PAGE_SIZE; /* ensure percpu data fits |