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-rw-r--r--arch/sparc64/kernel/entry.S17
-rw-r--r--arch/sparc64/kernel/irq.c20
-rw-r--r--arch/sparc64/kernel/power.c2
-rw-r--r--arch/sparc64/kernel/process.c6
-rw-r--r--arch/sparc64/kernel/smp.c2
-rw-r--r--arch/sparc64/kernel/systbls.S8
-rw-r--r--arch/sparc64/kernel/traps.c2
-rw-r--r--arch/sparc64/mm/init.c23
8 files changed, 40 insertions, 40 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index d781f10adc5..88332f00094 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1600,11 +1600,11 @@ sys_clone: flushw
ba,pt %xcc, sparc_do_fork
add %sp, PTREGS_OFF, %o2
ret_from_syscall:
- /* Clear SPARC_FLAG_NEWCHILD, switch_to leaves thread.flags in
- * %o7 for us. Check performance counter stuff too.
+ /* Clear current_thread_info()->new_child, and
+ * check performance counter stuff too.
*/
- andn %o7, _TIF_NEWCHILD, %l0
- stx %l0, [%g6 + TI_FLAGS]
+ stb %g0, [%g6 + TI_NEW_CHILD]
+ ldx [%g6 + TI_FLAGS], %l0
call schedule_tail
mov %g7, %o0
andcc %l0, _TIF_PERFCTR, %g0
@@ -1720,12 +1720,11 @@ ret_sys_call:
/* Check if force_successful_syscall_return()
* was invoked.
*/
- ldx [%curptr + TI_FLAGS], %l0
- andcc %l0, _TIF_SYSCALL_SUCCESS, %g0
- be,pt %icc, 1f
- andn %l0, _TIF_SYSCALL_SUCCESS, %l0
+ ldub [%curptr + TI_SYS_NOERROR], %l0
+ brz,pt %l0, 1f
+ nop
ba,pt %xcc, 80f
- stx %l0, [%curptr + TI_FLAGS]
+ stb %g0, [%curptr + TI_SYS_NOERROR]
1:
cmp %o0, -ERESTART_RESTARTBLOCK
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index daa2fb93052..c9b69167632 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -782,8 +782,14 @@ static void distribute_irqs(void)
}
#endif
+struct sun5_timer {
+ u64 count0;
+ u64 limit0;
+ u64 count1;
+ u64 limit1;
+};
-struct sun5_timer *prom_timers;
+static struct sun5_timer *prom_timers;
static u64 prom_limit0, prom_limit1;
static void map_prom_timers(void)
@@ -839,18 +845,6 @@ static void kill_prom_timer(void)
: "g1", "g2");
}
-void enable_prom_timer(void)
-{
- if (!prom_timers)
- return;
-
- /* Set it to whatever was there before. */
- prom_timers->limit1 = prom_limit1;
- prom_timers->count1 = 0;
- prom_timers->limit0 = prom_limit0;
- prom_timers->count0 = 0;
-}
-
void init_irqwork_curcpu(void)
{
register struct irq_work_struct *workp asm("o2");
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c
index 533104c7907..946cee0257e 100644
--- a/arch/sparc64/kernel/power.c
+++ b/arch/sparc64/kernel/power.c
@@ -69,8 +69,6 @@ void machine_power_off(void)
machine_halt();
}
-EXPORT_SYMBOL(machine_power_off);
-
#ifdef CONFIG_PCI
static int powerd(void *__unused)
{
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index a0cd2b2494d..07424b07593 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -124,8 +124,6 @@ void machine_halt(void)
panic("Halt failed!");
}
-EXPORT_SYMBOL(machine_halt);
-
void machine_alt_power_off(void)
{
if (!serial_console && prom_palette)
@@ -154,8 +152,6 @@ void machine_restart(char * cmd)
panic("Reboot failed!");
}
-EXPORT_SYMBOL(machine_restart);
-
static void show_regwindow32(struct pt_regs *regs)
{
struct reg_window32 __user *rw;
@@ -621,8 +617,8 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
memcpy(child_trap_frame, (((struct sparc_stackf *)regs)-1), (TRACEREG_SZ+STACKFRAME_SZ));
t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) | (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) |
- _TIF_NEWCHILD |
(((regs->tstate + 1) & TSTATE_CWP) << TI_FLAG_CWP_SHIFT);
+ t->new_child = 1;
t->ksp = ((unsigned long) child_trap_frame) - STACK_BIAS;
t->kregs = (struct pt_regs *)(child_trap_frame+sizeof(struct sparc_stackf));
t->fpsaved[0] = 0;
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 7e8e2919e18..b9b42491e11 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -137,7 +137,7 @@ void __init smp_callin(void)
/* Clear this or we will die instantly when we
* schedule back to this idler...
*/
- clear_thread_flag(TIF_NEWCHILD);
+ current_thread_info()->new_child = 0;
/* Attach to the address space of init_task. */
atomic_inc(&init_mm.mm_count);
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index bceb91a8a2b..53eaf2345fe 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -50,8 +50,8 @@ sys_call_table32:
.word sys_nis_syscall, sys32_mkdir, sys_rmdir, sys32_utimes, compat_sys_stat64
/*140*/ .word sys32_sendfile64, sys_nis_syscall, sys32_futex, sys_gettid, compat_sys_getrlimit
.word compat_sys_setrlimit, sys_pivot_root, sys32_prctl, sys_pciconfig_read, sys_pciconfig_write
-/*150*/ .word sys_nis_syscall, sys_nis_syscall, sys_nis_syscall, sys_poll, sys_getdents64
- .word compat_sys_fcntl64, sys_ni_syscall, compat_sys_statfs, compat_sys_fstatfs, sys_oldumount
+/*150*/ .word sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
+ .word compat_sys_fcntl64, sys_inotify_rm_watch, compat_sys_statfs, compat_sys_fstatfs, sys_oldumount
/*160*/ .word compat_sys_sched_setaffinity, compat_sys_sched_getaffinity, sys32_getdomainname, sys32_setdomainname, sys_nis_syscall
.word sys_quotactl, sys_set_tid_address, compat_sys_mount, sys_ustat, sys32_setxattr
/*170*/ .word sys32_lsetxattr, sys32_fsetxattr, sys_getxattr, sys_lgetxattr, compat_sys_getdents
@@ -116,8 +116,8 @@ sys_call_table:
.word sys_socketpair, sys_mkdir, sys_rmdir, sys_utimes, sys_stat64
/*140*/ .word sys_sendfile64, sys_getpeername, sys_futex, sys_gettid, sys_getrlimit
.word sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write
-/*150*/ .word sys_getsockname, sys_nis_syscall, sys_nis_syscall, sys_poll, sys_getdents64
- .word sys_nis_syscall, sys_ni_syscall, sys_statfs, sys_fstatfs, sys_oldumount
+/*150*/ .word sys_getsockname, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
+ .word sys_nis_syscall, sys_inotify_rm_watch, sys_statfs, sys_fstatfs, sys_oldumount
/*160*/ .word sys_sched_setaffinity, sys_sched_getaffinity, sys_getdomainname, sys_setdomainname, sys_utrap_install
.word sys_quotactl, sys_set_tid_address, sys_mount, sys_ustat, sys_setxattr
/*170*/ .word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index a9f4596d7c2..100b0107c4b 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -2125,6 +2125,8 @@ void __init trap_init(void)
TI_PCR != offsetof(struct thread_info, pcr_reg) ||
TI_CEE_STUFF != offsetof(struct thread_info, cee_stuff) ||
TI_PRE_COUNT != offsetof(struct thread_info, preempt_count) ||
+ TI_NEW_CHILD != offsetof(struct thread_info, new_child) ||
+ TI_SYS_NOERROR != offsetof(struct thread_info, syscall_noerror) ||
TI_FPREGS != offsetof(struct thread_info, fpregs) ||
(TI_FPREGS & (64 - 1)))
thread_info_offsets_are_bolixed_dave();
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 8fc413cb6ac..3fbaf342a45 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -121,15 +121,24 @@ __inline__ void flush_dcache_page_impl(struct page *page)
}
#define PG_dcache_dirty PG_arch_1
+#define PG_dcache_cpu_shift 24
+#define PG_dcache_cpu_mask (256 - 1)
+
+#if NR_CPUS > 256
+#error D-cache dirty tracking and thread_info->cpu need fixing for > 256 cpus
+#endif
#define dcache_dirty_cpu(page) \
- (((page)->flags >> 24) & (NR_CPUS - 1UL))
+ (((page)->flags >> PG_dcache_cpu_shift) & PG_dcache_cpu_mask)
static __inline__ void set_dcache_dirty(struct page *page, int this_cpu)
{
unsigned long mask = this_cpu;
- unsigned long non_cpu_bits = ~((NR_CPUS - 1UL) << 24UL);
- mask = (mask << 24) | (1UL << PG_dcache_dirty);
+ unsigned long non_cpu_bits;
+
+ non_cpu_bits = ~(PG_dcache_cpu_mask << PG_dcache_cpu_shift);
+ mask = (mask << PG_dcache_cpu_shift) | (1UL << PG_dcache_dirty);
+
__asm__ __volatile__("1:\n\t"
"ldx [%2], %%g7\n\t"
"and %%g7, %1, %%g1\n\t"
@@ -151,7 +160,7 @@ static __inline__ void clear_dcache_dirty_cpu(struct page *page, unsigned long c
__asm__ __volatile__("! test_and_clear_dcache_dirty\n"
"1:\n\t"
"ldx [%2], %%g7\n\t"
- "srlx %%g7, 24, %%g1\n\t"
+ "srlx %%g7, %4, %%g1\n\t"
"and %%g1, %3, %%g1\n\t"
"cmp %%g1, %0\n\t"
"bne,pn %%icc, 2f\n\t"
@@ -164,7 +173,8 @@ static __inline__ void clear_dcache_dirty_cpu(struct page *page, unsigned long c
"2:"
: /* no outputs */
: "r" (cpu), "r" (mask), "r" (&page->flags),
- "i" (NR_CPUS - 1UL)
+ "i" (PG_dcache_cpu_mask),
+ "i" (PG_dcache_cpu_shift)
: "g1", "g7");
}
@@ -180,7 +190,8 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t p
if (pfn_valid(pfn) &&
(page = pfn_to_page(pfn), page_mapping(page)) &&
((pg_flags = page->flags) & (1UL << PG_dcache_dirty))) {
- int cpu = ((pg_flags >> 24) & (NR_CPUS - 1UL));
+ int cpu = ((pg_flags >> PG_dcache_cpu_shift) &
+ PG_dcache_cpu_mask);
int this_cpu = get_cpu();
/* This is just to optimize away some function calls
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-04 01:59:52 +0000