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authorDavid S. Miller <davem@davemloft.net>2013-05-04 18:34:13 -0700
committerDavid S. Miller <davem@davemloft.net>2013-05-04 18:34:13 -0700
commit048c9acca90ca7da42b92745445fe008a48add88 (patch)
treee2e551a565a7dcdca0fc398aa659231745e5a901 /arch/sparc
parent07df841877195765d958df146f614fc7bdedd5e3 (diff)
parentad348cc5349be4ef4abe08819afbb63386585413 (diff)
downloadlinux-048c9acca90ca7da42b92745445fe008a48add88.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Merge sparc bug fixes that didn't make it into v3.9 into sparc-next. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/Kconfig26
-rw-r--r--arch/sparc/include/asm/Kbuild5
-rw-r--r--arch/sparc/include/asm/cputime.h6
-rw-r--r--arch/sparc/include/asm/emergency-restart.h6
-rw-r--r--arch/sparc/include/asm/hugetlb.h1
-rw-r--r--arch/sparc/include/asm/mutex.h9
-rw-r--r--arch/sparc/include/asm/pgtable_64.h1
-rw-r--r--arch/sparc/include/asm/serial.h6
-rw-r--r--arch/sparc/include/asm/smp_32.h5
-rw-r--r--arch/sparc/include/asm/switch_to_64.h3
-rw-r--r--arch/sparc/include/asm/thread_info_32.h2
-rw-r--r--arch/sparc/include/asm/thread_info_64.h2
-rw-r--r--arch/sparc/include/asm/tlbflush_64.h37
-rw-r--r--arch/sparc/include/asm/unistd.h8
-rw-r--r--arch/sparc/include/uapi/asm/Kbuild1
-rw-r--r--arch/sparc/include/uapi/asm/socket.h2
-rw-r--r--arch/sparc/include/uapi/asm/types.h17
-rw-r--r--arch/sparc/kernel/Makefile3
-rw-r--r--arch/sparc/kernel/hvtramp.S3
-rw-r--r--arch/sparc/kernel/ioport.c2
-rw-r--r--arch/sparc/kernel/leon_kernel.c10
-rw-r--r--arch/sparc/kernel/process_32.c44
-rw-r--r--arch/sparc/kernel/process_64.c55
-rw-r--r--arch/sparc/kernel/smp_32.c2
-rw-r--r--arch/sparc/kernel/smp_64.c43
-rw-r--r--arch/sparc/kernel/sun4d_irq.c1
-rw-r--r--arch/sparc/kernel/sys32.S4
-rw-r--r--arch/sparc/kernel/sys_sparc32.c75
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c6
-rw-r--r--arch/sparc/kernel/systbls_64.S8
-rw-r--r--arch/sparc/kernel/trampoline_64.S3
-rw-r--r--arch/sparc/kernel/traps_64.c7
-rw-r--r--arch/sparc/kernel/us2e_cpufreq.c413
-rw-r--r--arch/sparc/kernel/us3_cpufreq.c274
-rw-r--r--arch/sparc/kernel/vio.c1
-rw-r--r--arch/sparc/lib/Makefile1
-rw-r--r--arch/sparc/lib/bitext.c6
-rw-r--r--arch/sparc/lib/usercopy.c9
-rw-r--r--arch/sparc/mm/init_32.c12
-rw-r--r--arch/sparc/mm/init_64.c7
-rw-r--r--arch/sparc/mm/iommu.c2
-rw-r--r--arch/sparc/mm/srmmu.c4
-rw-r--r--arch/sparc/mm/tlb.c39
-rw-r--r--arch/sparc/mm/tsb.c57
-rw-r--r--arch/sparc/mm/ultra.S119
-rw-r--r--arch/sparc/net/bpf_jit_comp.c6
46 files changed, 314 insertions, 1039 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 33e48cbf25ab..a639c0d07b8b 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -62,7 +62,6 @@ config SPARC64
select HAVE_RCU_TABLE_FREE if SMP
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
- select HAVE_SYSCALL_WRAPPERS
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
select HAVE_DYNAMIC_FTRACE
select HAVE_FTRACE_MCOUNT_RECORD
@@ -257,29 +256,6 @@ config HOTPLUG_CPU
if SPARC64
source "drivers/cpufreq/Kconfig"
-
-config US3_FREQ
- tristate "UltraSPARC-III CPU Frequency driver"
- depends on CPU_FREQ
- select CPU_FREQ_TABLE
- help
- This adds the CPUFreq driver for UltraSPARC-III processors.
-
- For details, take a look at <file:Documentation/cpu-freq>.
-
- If in doubt, say N.
-
-config US2E_FREQ
- tristate "UltraSPARC-IIe CPU Frequency driver"
- depends on CPU_FREQ
- select CPU_FREQ_TABLE
- help
- This adds the CPUFreq driver for UltraSPARC-IIe processors.
-
- For details, take a look at <file:Documentation/cpu-freq>.
-
- If in doubt, say N.
-
endif
config US3_MC
@@ -414,6 +390,8 @@ config SERIAL_CONSOLE
config SPARC_LEON
bool "Sparc Leon processor family"
depends on SPARC32
+ select USB_EHCI_BIG_ENDIAN_MMIO
+ select USB_EHCI_BIG_ENDIAN_DESC
---help---
If you say Y here if you are running on a SPARC-LEON processor.
The LEON processor is a synthesizable VHDL model of the
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index e26d430ce2fd..ff18e3cfb6b1 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -2,11 +2,16 @@
generic-y += clkdev.h
+generic-y += cputime.h
generic-y += div64.h
+generic-y += emergency-restart.h
generic-y += exec.h
generic-y += local64.h
+generic-y += mutex.h
generic-y += irq_regs.h
generic-y += local.h
generic-y += module.h
+generic-y += serial.h
generic-y += trace_clock.h
+generic-y += types.h
generic-y += word-at-a-time.h
diff --git a/arch/sparc/include/asm/cputime.h b/arch/sparc/include/asm/cputime.h
deleted file mode 100644
index 1a642b81e019..000000000000
--- a/arch/sparc/include/asm/cputime.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __SPARC_CPUTIME_H
-#define __SPARC_CPUTIME_H
-
-#include <asm-generic/cputime.h>
-
-#endif /* __SPARC_CPUTIME_H */
diff --git a/arch/sparc/include/asm/emergency-restart.h b/arch/sparc/include/asm/emergency-restart.h
deleted file mode 100644
index 108d8c48e42e..000000000000
--- a/arch/sparc/include/asm/emergency-restart.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_EMERGENCY_RESTART_H
-#define _ASM_EMERGENCY_RESTART_H
-
-#include <asm-generic/emergency-restart.h>
-
-#endif /* _ASM_EMERGENCY_RESTART_H */
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 7eb57d245044..e4cab465b81f 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -2,6 +2,7 @@
#define _ASM_SPARC64_HUGETLB_H
#include <asm/page.h>
+#include <asm-generic/hugetlb.h>
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
diff --git a/arch/sparc/include/asm/mutex.h b/arch/sparc/include/asm/mutex.h
deleted file mode 100644
index 458c1f7fbc18..000000000000
--- a/arch/sparc/include/asm/mutex.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * Pull in the generic implementation for the mutex fastpath.
- *
- * TODO: implement optimized primitives instead, or leave the generic
- * implementation in place, or pick the atomic_xchg() based generic
- * implementation. (see asm-generic/mutex-xchg.h for details)
- */
-
-#include <asm-generic/mutex-dec.h>
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 08fcce90316b..7619f2f792af 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -915,6 +915,7 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
}
+#include <asm/tlbflush.h>
#include <asm-generic/pgtable.h>
/* We provide our own get_unmapped_area to cope with VA holes and
diff --git a/arch/sparc/include/asm/serial.h b/arch/sparc/include/asm/serial.h
deleted file mode 100644
index f90d61c28059..000000000000
--- a/arch/sparc/include/asm/serial.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __SPARC_SERIAL_H
-#define __SPARC_SERIAL_H
-
-#define BASE_BAUD ( 1843200 / 16 )
-
-#endif /* __SPARC_SERIAL_H */
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
index b73da3c5f10a..3c8917f054de 100644
--- a/arch/sparc/include/asm/smp_32.h
+++ b/arch/sparc/include/asm/smp_32.h
@@ -36,7 +36,6 @@ typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long,
unsigned long, unsigned long);
void cpu_panic(void);
-extern void smp4m_irq_rotate(int cpu);
/*
* General functions that each host system must provide.
@@ -46,7 +45,6 @@ void sun4m_init_smp(void);
void sun4d_init_smp(void);
void smp_callin(void);
-void smp_boot_cpus(void);
void smp_store_cpu_info(int);
void smp_resched_interrupt(void);
@@ -107,9 +105,6 @@ extern int hard_smp_processor_id(void);
#define raw_smp_processor_id() (current_thread_info()->cpu)
-#define prof_multiplier(__cpu) cpu_data(__cpu).multiplier
-#define prof_counter(__cpu) cpu_data(__cpu).counter
-
void smp_setup_cpu_possible_map(void);
#endif /* !(__ASSEMBLY__) */
diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h
index cad36f56fa03..c7de3323819c 100644
--- a/arch/sparc/include/asm/switch_to_64.h
+++ b/arch/sparc/include/asm/switch_to_64.h
@@ -18,8 +18,7 @@ do { \
* and 2 stores in this critical code path. -DaveM
*/
#define switch_to(prev, next, last) \
-do { flush_tlb_pending(); \
- save_and_clear_fpu(); \
+do { save_and_clear_fpu(); \
/* If you are tempted to conditionalize the following */ \
/* so that ASI is only written if it changes, think again. */ \
__asm__ __volatile__("wr %%g0, %0, %%asi" \
diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
index 25849ae3e900..dd3807599bb9 100644
--- a/arch/sparc/include/asm/thread_info_32.h
+++ b/arch/sparc/include/asm/thread_info_32.h
@@ -132,8 +132,6 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | \
_TIF_SIGPENDING)
-#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG)
-
#endif /* __KERNEL__ */
#endif /* _ASM_THREAD_INFO_H */
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 269bd92313df..d5e504251079 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -256,8 +256,6 @@ static inline bool test_and_clear_restore_sigmask(void)
return true;
}
-#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG)
-
#define thread32_stack_is_64bit(__SP) (((__SP) & 0x1) != 0)
#define test_thread_64bit_stack(__SP) \
((test_thread_flag(TIF_32BIT) && !thread32_stack_is_64bit(__SP)) ? \
diff --git a/arch/sparc/include/asm/tlbflush_64.h b/arch/sparc/include/asm/tlbflush_64.h
index 2ef463494153..f0d6a9700f4c 100644
--- a/arch/sparc/include/asm/tlbflush_64.h
+++ b/arch/sparc/include/asm/tlbflush_64.h
@@ -11,24 +11,40 @@
struct tlb_batch {
struct mm_struct *mm;
unsigned long tlb_nr;
+ unsigned long active;
unsigned long vaddrs[TLB_BATCH_NR];
};
extern void flush_tsb_kernel_range(unsigned long start, unsigned long end);
extern void flush_tsb_user(struct tlb_batch *tb);
+extern void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr);
/* TLB flush operations. */
-extern void flush_tlb_pending(void);
+static inline void flush_tlb_mm(struct mm_struct *mm)
+{
+}
+
+static inline void flush_tlb_page(struct vm_area_struct *vma,
+ unsigned long vmaddr)
+{
+}
+
+static inline void flush_tlb_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end)
+{
+}
+
+#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
-#define flush_tlb_range(vma,start,end) \
- do { (void)(start); flush_tlb_pending(); } while (0)
-#define flush_tlb_page(vma,addr) flush_tlb_pending()
-#define flush_tlb_mm(mm) flush_tlb_pending()
+extern void flush_tlb_pending(void);
+extern void arch_enter_lazy_mmu_mode(void);
+extern void arch_leave_lazy_mmu_mode(void);
+#define arch_flush_lazy_mmu_mode() do {} while (0)
/* Local cpu only. */
extern void __flush_tlb_all(void);
-
+extern void __flush_tlb_page(unsigned long context, unsigned long vaddr);
extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
#ifndef CONFIG_SMP
@@ -38,15 +54,24 @@ do { flush_tsb_kernel_range(start,end); \
__flush_tlb_kernel_range(start,end); \
} while (0)
+static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
+{
+ __flush_tlb_page(CTX_HWBITS(mm->context), vaddr);
+}
+
#else /* CONFIG_SMP */
extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
+extern void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);
#define flush_tlb_kernel_range(start, end) \
do { flush_tsb_kernel_range(start,end); \
smp_flush_tlb_kernel_range(start, end); \
} while (0)
+#define global_flush_tlb_page(mm, vaddr) \
+ smp_flush_tlb_page(mm, vaddr)
+
#endif /* ! CONFIG_SMP */
#endif /* _SPARC64_TLBFLUSH_H */
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index 5356810bd7e7..dfa53fdd5cbc 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -45,12 +45,4 @@
#define __ARCH_WANT_COMPAT_SYS_SENDFILE
#endif
-/*
- * "Conditional" syscalls
- *
- * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
- * but it doesn't work on all toolchains, so we just do it by hand
- */
-#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
-
#endif /* _SPARC_UNISTD_H */
diff --git a/arch/sparc/include/uapi/asm/Kbuild b/arch/sparc/include/uapi/asm/Kbuild
index ce175aff71b7..b5843ee09fb5 100644
--- a/arch/sparc/include/uapi/asm/Kbuild
+++ b/arch/sparc/include/uapi/asm/Kbuild
@@ -44,7 +44,6 @@ header-y += swab.h
header-y += termbits.h
header-y += termios.h
header-y += traps.h
-header-y += types.h
header-y += uctx.h
header-y += unistd.h
header-y += utrap.h
diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h
index cbbad74b2e06..89f49b68a21c 100644
--- a/arch/sparc/include/uapi/asm/socket.h
+++ b/arch/sparc/include/uapi/asm/socket.h
@@ -68,6 +68,8 @@
#define SO_LOCK_FILTER 0x0028
+#define SO_SELECT_ERR_QUEUE 0x0029
+
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 0x5001
#define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002
diff --git a/arch/sparc/include/uapi/asm/types.h b/arch/sparc/include/uapi/asm/types.h
deleted file mode 100644
index 383d156cde9c..000000000000
--- a/arch/sparc/include/uapi/asm/types.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef _SPARC_TYPES_H
-#define _SPARC_TYPES_H
-/*
- * This file is never included by application software unless
- * explicitly requested (e.g., via linux/types.h) in which case the
- * application is Linux specific so (user-) name space pollution is
- * not a major issue. However, for interoperability, libraries still
- * need to be careful to avoid a name clashes.
- */
-
-#if defined(__sparc__)
-
-#include <asm-generic/int-ll64.h>
-
-#endif /* defined(__sparc__) */
-
-#endif /* defined(_SPARC_TYPES_H) */
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index d2936d0600bd..d432fb20358e 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -103,9 +103,6 @@ obj-$(CONFIG_PCI_MSI) += pci_msi.o
obj-$(CONFIG_COMPAT) += sys32.o sys_sparc32.o signal32.o
-# sparc64 cpufreq
-obj-$(CONFIG_US3_FREQ) += us3_cpufreq.o
-obj-$(CONFIG_US2E_FREQ) += us2e_cpufreq.o
obj-$(CONFIG_US3_MC) += chmc.o
obj-$(CONFIG_KPROBES) += kprobes.o
diff --git a/arch/sparc/kernel/hvtramp.S b/arch/sparc/kernel/hvtramp.S
index 9365432904d6..605c960b2fa6 100644
--- a/arch/sparc/kernel/hvtramp.S
+++ b/arch/sparc/kernel/hvtramp.S
@@ -128,8 +128,7 @@ hv_cpu_startup:
call smp_callin
nop
- call cpu_idle
- mov 0, %o0
+
call cpu_panic
nop
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 0f094db918c7..2096468de9b2 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -693,7 +693,7 @@ static int sparc_io_proc_show(struct seq_file *m, void *v)
static int sparc_io_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, sparc_io_proc_show, PDE(inode)->data);
+ return single_open(file, sparc_io_proc_show, PDE_DATA(inode));
}
static const struct file_operations sparc_io_proc_fops = {
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index 87f60ee65433..7c0231dabe44 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -213,6 +213,7 @@ unsigned int leon_build_device_irq(unsigned int real_irq,
{
unsigned int irq;
unsigned long mask;
+ struct irq_desc *desc;
irq = 0;
mask = leon_get_irqmask(real_irq);
@@ -226,9 +227,12 @@ unsigned int leon_build_device_irq(unsigned int real_irq,
if (do_ack)
mask |= LEON_DO_ACK_HW;
- irq_set_chip_and_handler_name(irq, &leon_irq,
- flow_handler, name);
- irq_set_chip_data(irq, (void *)mask);
+ desc = irq_to_desc(irq);
+ if (!desc || !desc->handle_irq || desc->handle_irq == handle_bad_irq) {
+ irq_set_chip_and_handler_name(irq, &leon_irq,
+ flow_handler, name);
+ irq_set_chip_data(irq, (void *)mask);
+ }
out:
return irq;
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index 62eede13831a..fdd819dfdacf 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -64,23 +64,12 @@ extern void fpsave(unsigned long *, unsigned long *, void *, unsigned long *);
struct task_struct *last_task_used_math = NULL;
struct thread_info *current_set[NR_CPUS];
-/*
- * the idle loop on a Sparc... ;)
- */
-void cpu_idle(void)
+/* Idle loop support. */
+void arch_cpu_idle(void)
{
- set_thread_flag(TIF_POLLING_NRFLAG);
-
- /* endless idle loop with no priority at all */
- for (;;) {
- while (!need_resched()) {
- if (sparc_idle)
- (*sparc_idle)();
- else
- cpu_relax();
- }
- schedule_preempt_disabled();
- }
+ if (sparc_idle)
+ (*sparc_idle)();
+ local_irq_enable();
}
/* XXX cli/sti -> local_irq_xxx here, check this works once SMP is fixed. */
@@ -123,6 +112,8 @@ void show_regs(struct pt_regs *r)
{
struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14];
+ show_regs_print_info(KERN_DEFAULT);
+
printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n",
r->psr, r->pc, r->npc, r->y, print_tainted());
printk("PC: <%pS>\n", (void *) r->pc);
@@ -153,11 +144,13 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
struct reg_window32 *rw;
int count = 0;
- if (tsk != NULL)
- task_base = (unsigned long) task_stack_page(tsk);
- else
- task_base = (unsigned long) current_thread_info();
+ if (!tsk)
+ tsk = current;
+ if (tsk == current && !_ksp)
+ __asm__ __volatile__("mov %%fp, %0" : "=r" (_ksp));
+
+ task_base = (unsigned long) task_stack_page(tsk);
fp = (unsigned long) _ksp;
do {
/* Bogus frame pointer? */
@@ -173,17 +166,6 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
printk("\n");
}
-void dump_stack(void)
-{
- unsigned long *ksp;
-
- __asm__ __volatile__("mov %%fp, %0"
- : "=r" (ksp));
- show_stack(current, ksp);
-}
-
-EXPORT_SYMBOL(dump_stack);
-
/*
* Note: sparc64 has a pretty intricated thread_saved_pc, check it out.
*/
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index cdb80b2adbe0..baebab215492 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -52,20 +52,17 @@
#include "kstack.h"
-static void sparc64_yield(int cpu)
+/* Idle loop support on sparc64. */
+void arch_cpu_idle(void)
{
if (tlb_type != hypervisor) {
touch_nmi_watchdog();
- return;
- }
-
- clear_thread_flag(TIF_POLLING_NRFLAG);
- smp_mb__after_clear_bit();
-
- while (!need_resched() && !cpu_is_offline(cpu)) {
+ } else {
unsigned long pstate;
- /* Disable interrupts. */
+ /* The sun4v sleeping code requires that we have PSTATE.IE cleared over
+ * the cpu sleep hypervisor call.
+ */
__asm__ __volatile__(
"rdpr %%pstate, %0\n\t"
"andn %0, %1, %0\n\t"
@@ -73,7 +70,7 @@ static void sparc64_yield(int cpu)
: "=&r" (pstate)
: "i" (PSTATE_IE));
- if (!need_resched() && !cpu_is_offline(cpu))
+ if (!need_resched() && !cpu_is_offline(smp_processor_id()))
sun4v_cpu_yield();
/* Re-enable interrupts. */
@@ -84,36 +81,16 @@ static void sparc64_yield(int cpu)
: "=&r" (pstate)
: "i" (PSTATE_IE));
}
-
- set_thread_flag(TIF_POLLING_NRFLAG);
+ local_irq_enable();
}
-/* The idle loop on sparc64. */
-void cpu_idle(void)
-{
- int cpu = smp_processor_id();
-
- set_thread_flag(TIF_POLLING_NRFLAG);
-
- while(1) {
- tick_nohz_idle_enter();
- rcu_idle_enter();
-
- while (!need_resched() && !cpu_is_offline(cpu))
- sparc64_yield(cpu);
-
- rcu_idle_exit();
- tick_nohz_idle_exit();
-
#ifdef CONFIG_HOTPLUG_CPU
- if (cpu_is_offline(cpu)) {
- sched_preempt_enable_no_resched();
- cpu_play_dead();
- }
-#endif
- schedule_preempt_disabled();
- }
+void arch_cpu_idle_dead()
+{
+ sched_preempt_enable_no_resched();
+ cpu_play_dead();
}
+#endif
#ifdef CONFIG_COMPAT
static void show_regwindow32(struct pt_regs *regs)
@@ -186,6 +163,8 @@ static void show_regwindow(struct pt_regs *regs)
void show_regs(struct pt_regs *regs)
{
+ show_regs_print_info(KERN_DEFAULT);
+
printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x %s\n", regs->tstate,
regs->tpc, regs->tnpc, regs->y, print_tainted());
printk("TPC: <%pS>\n", (void *) regs->tpc);
@@ -315,7 +294,7 @@ static void sysrq_handle_globreg(int key)
static struct sysrq_key_op sparc_globalreg_op = {
.handler = sysrq_handle_globreg,
- .help_msg = "global-regs(Y)",
+ .help_msg = "global-regs(y)",
.action_msg = "Show Global CPU Regs",
};
@@ -385,7 +364,7 @@ static void sysrq_handle_globpmu(int key)
static struct sysrq_key_op sparc_globalpmu_op = {
.handler = sysrq_handle_globpmu,
- .help_msg = "global-pmu(X)",
+ .help_msg = "global-pmu(x)",
.action_msg = "Show Global PMU Regs",
};
diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
index 9e7e6d718367..e3f2b81c23f1 100644
--- a/arch/sparc/kernel/smp_32.c
+++ b/arch/sparc/kernel/smp_32.c
@@ -369,7 +369,7 @@ void __cpuinit sparc_start_secondary(void *arg)
local_irq_enable();
wmb();
- cpu_idle();
+ cpu_startup_entry(CPUHP_ONLINE);
/* We should never reach here! */
BUG();
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 537eb66abd06..77539eda928c 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -127,6 +127,8 @@ void __cpuinit smp_callin(void)
/* idle thread is expected to have preempt disabled */
preempt_disable();
+
+ cpu_startup_entry(CPUHP_ONLINE);
}
void cpu_panic(void)
@@ -849,7 +851,7 @@ void smp_tsb_sync(struct mm_struct *mm)
}
extern unsigned long xcall_flush_tlb_mm;
-extern unsigned long xcall_flush_tlb_pending;
+extern unsigned long xcall_flush_tlb_page;
extern unsigned long xcall_flush_tlb_kernel_range;
extern unsigned long xcall_fetch_glob_regs;
extern unsigned long xcall_fetch_glob_pmu;
@@ -1074,23 +1076,56 @@ local_flush_and_out:
put_cpu();
}
+struct tlb_pending_info {
+ unsigned long ctx;
+ unsigned long nr;
+ unsigned long *vaddrs;
+};
+
+static void tlb_pending_func(void *info)
+{
+ struct tlb_pending_info *t = info;
+
+ __flush_tlb_pending(t->ctx, t->nr, t->vaddrs);
+}
+
void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long *vaddrs)
{
u32 ctx = CTX_HWBITS(mm->context);
+ struct tlb_pending_info info;
int cpu = get_cpu();
+ info.ctx = ctx;
+ info.nr = nr;
+ info.vaddrs = vaddrs;
+
if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
else
- smp_cross_call_masked(&xcall_flush_tlb_pending,
- ctx, nr, (unsigned long) vaddrs,
- mm_cpumask(mm));
+ smp_call_function_many(mm_cpumask(mm), tlb_pending_func,
+ &info, 1);
__flush_tlb_pending(ctx, nr, vaddrs);
put_cpu();
}
+void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
+{
+ unsigned long context = CTX_HWBITS(mm->context);
+ int cpu = get_cpu();
+
+ if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
+ cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
+ else
+ smp_cross_call_masked(&xcall_flush_tlb_page,
+ context, vaddr, 0,
+ mm_cpumask(mm));
+ __flush_tlb_page(context, vaddr);
+
+ put_cpu();
+}
+
void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
start &= PAGE_MASK;
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index e490ac9327c7..f8933be3ca8b 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -6,6 +6,7 @@
*/
#include <linux/kernel_stat.h>
+#include <linux/slab.h>
#include <linux/seq_file.h>
#include <asm/timer.h>
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index 240a3cecc11e..2e680b5245c9 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -36,7 +36,6 @@ STUB: sra REG1, 0, REG1; \
jmpl %g1 + %lo(SYSCALL), %g0; \
sra REG3, 0, REG3
-SIGN1(sys32_getrusage, compat_sys_getrusage, %o0)
SIGN1(sys32_readahead, compat_sys_readahead, %o0)
SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
@@ -46,12 +45,9 @@ SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
SIGN1(sys32_select, compat_sys_select, %o0)
SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5)
-SIGN2(sys32_sendfile, compat_sys_sendfile, %o0, %o1)
SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0)
SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
-SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5)
-SIGN1(sys32_vmsplice, compat_sys_vmsplice, %o0)
.globl sys32_mmap2
sys32_mmap2:
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index f38f2280fade..3d0ddbc005fe 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -49,71 +49,6 @@
#include <asm/mmu_context.h>
#include <asm/compat_signal.h>
-#ifdef CONFIG_SYSVIPC
-asmlinkage long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compat_uptr_t ptr, u32 fifth)
-{
- int version;
-
- version = call >> 16; /* hack for backward compatibility */
- call &= 0xffff;
-
- switch (call) {
- case SEMTIMEDOP:
- if (fifth)
- /* sign extend semid */
- return compat_sys_semtimedop((int)first,
- compat_ptr(ptr), second,
- compat_ptr(fifth));
- /* else fall through for normal semop() */
- case SEMOP:
- /* struct sembuf is the same on 32 and 64bit :)) */
- /* sign extend semid */
- return sys_semtimedop((int)first, compat_ptr(ptr), second,
- NULL);
- case SEMGET:
- /* sign extend key, nsems */
- return sys_semget((int)first, (int)second, third);
- case SEMCTL:
- /* sign extend semid, semnum */
- return compat_sys_semctl((int)first, (int)second, third,
- compat_ptr(ptr));
-
- case MSGSND:
- /* sign extend msqid */
- return compat_sys_msgsnd((int)first, (int)second, third,
- compat_ptr(ptr));
- case MSGRCV:
- /* sign extend msqid, msgtyp */
- return compat_sys_msgrcv((int)first, second, (int)fifth,
- third, version, compat_ptr(ptr));
- case MSGGET:
- /* sign extend key */
- return sys_msgget((int)first, second);
- case MSGCTL:
- /* sign extend msqid */
- return compat_sys_msgctl((int)first, second, compat_ptr(ptr));
-
- case SHMAT:
- /* sign extend shmid */
- return compat_sys_shmat((int)first, second, third, version,
- compat_ptr(ptr));
- case SHMDT:
- return sys_shmdt(compat_ptr(ptr));
- case SHMGET:
- /* sign extend key_t */
- return sys_shmget((int)first, second, third);
- case SHMCTL:
- /* sign extend shmid */
- return compat_sys_shmctl((int)first, second, compat_ptr(ptr));
-
- default:
- return -ENOSYS;
- }
-
- return -ENOSYS;
-}
-#endif
-
asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low)
{
if ((int)high < 0)
@@ -303,15 +238,7 @@ long compat_sys_fadvise64_64(int fd,
advice);
}
-long sys32_lookup_dcookie(unsigned long cookie_high,
- unsigned long cookie_low,
- char __user *buf, size_t len)
-{
- return sys_lookup_dcookie((cookie_high << 32) | cookie_low,
- buf, len);
-}
-
-long compat_sync_file_range(int fd, unsigned long off_high, unsigned long off_low, unsigned long nb_high, unsigned long nb_low, int flags)
+long sys32_sync_file_range(unsigned int fd, unsigned long off_high, unsigned long off_low, unsigned long nb_high, unsigned long nb_low, unsigned int flags)
{
return sys_sync_file_range(fd,
(off_high << 32) | off_low,
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 708bc29d36a8..2daaaa6eda23 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -353,7 +353,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second
case SEMCTL: {
err = sys_semctl(first, second,
(int)third | IPC_64,
- (union semun) ptr);
+ (unsigned long) ptr);
goto out;
}
default:
@@ -470,10 +470,6 @@ SYSCALL_DEFINE2(64_munmap, unsigned long, addr, size_t, len)
return vm_munmap(addr, len);
}
-
-extern unsigned long do_mremap(unsigned long addr,
- unsigned long old_len, unsigned long new_len,
- unsigned long flags, unsigned long new_addr);
SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len,
unsigned long, new_len, unsigned long, flags,
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 088134834dab..8fd932080215 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -23,9 +23,9 @@ sys_call_table32:
/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys_mknod
/*15*/ .word sys_chmod, sys_lchown16, sys_brk, sys_nis_syscall, compat_sys_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
-/*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, compat_sys_sigaltstack, sys_pause
+/*25*/ .word compat_sys_vmsplice, compat_sys_ptrace, sys_alarm, compat_sys_sigaltstack, sys_pause
/*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice
- .word sys_chown, sys_sync, sys_kill, compat_sys_newstat, sys32_sendfile
+ .word sys_chown, sys_sync, sys_kill, compat_sys_newstat, compat_sys_sendfile
/*40*/ .word compat_sys_newlstat, sys_dup, sys_sparc_pipe, compat_sys_times, sys_getuid
.word sys_umount, sys_setgid16, sys_getgid16, sys_signal, sys_geteuid16
/*50*/ .word sys_getegid16, sys_acct, sys_nis_syscall, sys_getgid, compat_sys_ioctl
@@ -41,7 +41,7 @@ sys_call_table32:
/*100*/ .word sys_getpriority, sys32_rt_sigreturn, compat_sys_rt_sigaction, compat_sys_rt_sigprocmask, compat_sys_rt_sigpending
.word compat_sys_rt_sigtimedwait, compat_sys_rt_sigqueueinfo, compat_sys_rt_sigsuspend, sys_setresuid, sys_getresuid
/*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall
- .word sys_getgroups, compat_sys_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd
+ .word sys_getgroups, compat_sys_gettimeofday, compat_sys_getrusage, sys_nis_syscall, sys_getcwd
/*120*/ .word compat_sys_readv, compat_sys_writev, compat_sys_settimeofday, sys_fchown16, sys_fchmod
.word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, compat_sys_truncate
/*130*/ .word compat_sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall
@@ -59,7 +59,7 @@ sys_call_table32:
/*190*/ .word sys_init_module, sys_sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
.word sys_epoll_wait, sys_ioprio_set, sys_getppid, compat_sys_sparc_sigaction, sys_sgetmask
/*200*/ .word sys_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir
- .word sys32_readahead, sys32_socketcall, sys_syslog, sys32_lookup_dcookie, sys32_fadvise64
+ .word sys32_readahead, sys32_socketcall, sys_syslog, compat_sys_lookup_dcookie, sys32_fadvise64
/*210*/ .word sys32_fadvise64_64, sys_tgkill, sys_waitpid, sys_swapoff, compat_sys_sysinfo
.word compat_sys_ipc, sys32_sigreturn, sys_clone, sys_ioprio_get, compat_sys_adjtimex
/*220*/ .word compat_sys_sigprocmask, sys_ni_syscall, sys_delete_module, sys_ni_syscall, sys_getpgid
diff --git a/arch/sparc/kernel/trampoline_64.S b/arch/sparc/kernel/trampoline_64.S
index da1b781b5e65..2e973a26fbda 100644
--- a/arch/sparc/kernel/trampoline_64.S
+++ b/arch/sparc/kernel/trampoline_64.S
@@ -407,8 +407,7 @@ after_lock_tlb:
call smp_callin
nop
- call cpu_idle
- mov 0, %o0
+
call cpu_panic
nop
1: b,a,pt %xcc, 1b
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index 8d38ca97aa23..b3f833ab90eb 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -2350,13 +2350,6 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
} while (++count < 16);
}
-void dump_stack(void)
-{
- show_stack(current, NULL);
-}
-
-EXPORT_SYMBOL(dump_stack);
-
static inline struct reg_window *kernel_stack_up(struct reg_window *rw)
{
unsigned long fp = rw->ins[6];
diff --git a/arch/sparc/kernel/us2e_cpufreq.c b/arch/sparc/kernel/us2e_cpufreq.c
deleted file mode 100644
index 489fc15f3194..000000000000
--- a/arch/sparc/kernel/us2e_cpufreq.c
+++ /dev/null
@@ -1,413 +0,0 @@
-/* us2e_cpufreq.c: UltraSPARC-IIe cpu frequency support
- *
- * Copyright (C) 2003 David S. Miller (davem@redhat.com)
- *
- * Many thanks to Dominik Brodowski for fixing up the cpufreq
- * infrastructure in order to make this driver easier to implement.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/cpufreq.h>
-#include <linux/threads.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-
-#include <asm/asi.h>
-#include <asm/timer.h>
-
-static struct cpufreq_driver *cpufreq_us2e_driver;
-
-struct us2e_freq_percpu_info {
- struct cpufreq_frequency_table table[6];
-};
-
-/* Indexed by cpu number. */
-static struct us2e_freq_percpu_info *us2e_freq_table;
-
-#define HBIRD_MEM_CNTL0_ADDR 0x1fe0000f010UL
-#define HBIRD_ESTAR_MODE_ADDR 0x1fe0000f080UL
-
-/* UltraSPARC-IIe has five dividers: 1, 2, 4, 6, and 8. These are controlled
- * in the ESTAR mode control register.
- */
-#define ESTAR_MODE_DIV_1 0x0000000000000000UL
-#define ESTAR_MODE_DIV_2 0x0000000000000001UL
-#define ESTAR_MODE_DIV_4 0x0000000000000003UL
-#define ESTAR_MODE_DIV_6 0x0000000000000002UL
-#define ESTAR_MODE_DIV_8 0x0000000000000004UL
-#define ESTAR_MODE_DIV_MASK 0x0000000000000007UL
-
-#define MCTRL0_SREFRESH_ENAB 0x0000000000010000UL
-#define MCTRL0_REFR_COUNT_MASK 0x0000000000007f00UL
-#define MCTRL0_REFR_COUNT_SHIFT 8
-#define MCTRL0_REFR_INTERVAL 7800
-#define MCTRL0_REFR_CLKS_P_CNT 64
-
-static unsigned long read_hbreg(unsigned long addr)
-{
- unsigned long ret;
-
- __asm__ __volatile__("ldxa [%1] %2, %0"
- : "=&r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
- return ret;
-}
-
-static void write_hbreg(unsigned long addr, unsigned long val)
-{
- __asm__ __volatile__("stxa %0, [%1] %2\n\t"
- "membar #Sync"
- : /* no outputs */
- : "r" (val), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
- : "memory");
- if (addr == HBIRD_ESTAR_MODE_ADDR) {
- /* Need to wait 16 clock cycles for the PLL to lock. */
- udelay(1);
- }
-}
-
-static void self_refresh_ctl(int enable)
-{
- unsigned long mctrl = read_hbreg(HBIRD_MEM_CNTL0_ADDR);
-
- if (enable)
- mctrl |= MCTRL0_SREFRESH_ENAB;
- else
- mctrl &= ~MCTRL0_SREFRESH_ENAB;
- write_hbreg(HBIRD_MEM_CNTL0_ADDR, mctrl);
- (void) read_hbreg(HBIRD_MEM_CNTL0_ADDR);
-}
-
-static void frob_mem_refresh(int cpu_slowing_down,
- unsigned long clock_tick,
- unsigned long old_divisor, unsigned long divisor)
-{
- unsigned long old_refr_count, refr_count, mctrl;
-
- refr_count = (clock_tick * MCTRL0_REFR_INTERVAL);
- refr_count /= (MCTRL0_REFR_CLKS_P_CNT * divisor * 1000000000UL);
-
- mctrl = read_hbreg(HBIRD_MEM_CNTL0_ADDR);
- old_refr_count = (mctrl & MCTRL0_REFR_COUNT_MASK)
- >> MCTRL0_REFR_COUNT_SHIFT;
-
- mctrl &= ~MCTRL0_REFR_COUNT_MASK;
- mctrl |= refr_count << MCTRL0_REFR_COUNT_SHIFT;
- write_hbreg(HBIRD_MEM_CNTL0_ADDR, mctrl);
- mctrl = read_hbreg(HBIRD_MEM_CNTL0_ADDR);
-
- if (cpu_slowing_down && !(mctrl & MCTRL0_SREFRESH_ENAB)) {
- unsigned long usecs;
-
- /* We have to wait for both refresh counts (old
- * and new) to go to zero.
- */
- usecs = (MCTRL0_REFR_CLKS_P_CNT *
- (refr_count + old_refr_count) *
- 1000000UL *
- old_divisor) / clock_tick;
- udelay(usecs + 1UL);
- }
-}
-
-static void us2e_transition(unsigned long estar, unsigned long new_bits,
- unsigned long clock_tick,
- unsigned long old_divisor, unsigned long divisor)
-{
- unsigned long flags;
-
- local_irq_save(flags);
-
- estar &= ~ESTAR_MODE_DIV_MASK;
-
- /* This is based upon the state transition diagram in the IIe manual. */
- if (old_divisor == 2 && divisor == 1) {
- self_refresh_ctl(0);
- write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);
- frob_mem_refresh(0, clock_tick, old_divisor, divisor);
- } else if (old_divisor == 1 && divisor == 2) {
- frob_mem_refresh(1, clock_tick, old_divisor, divisor);
- write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);
- self_refresh_ctl(1);
- } else if (old_divisor == 1 && divisor > 2) {
- us2e_transition(estar, ESTAR_MODE_DIV_2, clock_tick,
- 1, 2);
- us2e_transition(estar, new_bits, clock_tick,
- 2, divisor);
- } else if (old_divisor > 2 && divisor == 1) {
- us2e_transition(estar, ESTAR_MODE_DIV_2, clock_tick,
- old_divisor, 2);
- us2e_transition(estar, new_bits, clock_tick,
- 2, divisor);
- } else if (old_divisor < divisor) {
- frob_mem_refresh(0, clock_tick, old_divisor, divisor);
- write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);
- } else if (old_divisor > divisor) {
- write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);
- frob_mem_refresh(1, clock_tick, old_divisor, divisor);
- } else {
- BUG();
- }
-
- local_irq_restore(flags);
-}
-
-static unsigned long index_to_estar_mode(unsigned int index)
-{
- switch (index) {
- case 0:
- return ESTAR_MODE_DIV_1;
-
- case 1:
- return ESTAR_MODE_DIV_2;
-
- case 2:
- return ESTAR_MODE_DIV_4;
-
- case 3:
- return ESTAR_MODE_DIV_6;
-
- case 4:
- return ESTAR_MODE_DIV_8;
-
- default:
- BUG();
- }
-}
-
-static unsigned long index_to_divisor(unsigned int index)
-{
- switch (index) {
- case 0:
- return 1;
-
- case 1:
- return 2;
-
- case 2:
- return 4;
-
- case 3:
- return 6;
-
- case 4:
- return 8;
-
- default:
- BUG();
- }
-}
-
-static unsigned long estar_to_divisor(unsigned long estar)
-{
- unsigned long ret;
-
- switch (estar & ESTAR_MODE_DIV_MASK) {
- case ESTAR_MODE_DIV_1:
- ret = 1;
- break;
- case ESTAR_MODE_DIV_2:
- ret = 2;
- break;
- case ESTAR_MODE_DIV_4:
- ret = 4;
- break;
- case ESTAR_MODE_DIV_6:
- ret = 6;
- break;
- case ESTAR_MODE_DIV_8:
- ret = 8;
- break;
- default:
- BUG();
- }
-
- return ret;
-}
-
-static unsigned int us2e_freq_get(unsigned int cpu)
-{
- cpumask_t cpus_allowed;
- unsigned long clock_tick, estar;
-
- if (!cpu_online(cpu))
- return 0;
-
- cpumask_copy(&cpus_allowed, tsk_cpus_allowed(current));
- set_cpus_allowed_ptr(current, cpumask_of(cpu));
-
- clock_tick = sparc64_get_clock_tick(cpu) / 1000;
- estar = read_hbreg(HBIRD_ESTAR_MODE_ADDR);
-
- set_cpus_allowed_ptr(current, &cpus_allowed);
-
- return clock_tick / estar_to_divisor(estar);
-}
-
-static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index)
-{
- unsigned long new_bits, new_freq;
- unsigned long clock_tick, divisor, old_divisor, estar;
- cpumask_t cpus_allowed;
- struct cpufreq_freqs freqs;
-
- if (!cpu_online(cpu))
- return;
-
- cpumask_copy(&cpus_allowed, tsk_cpus_allowed(current));
- set_cpus_allowed_ptr(current, cpumask_of(cpu));
-
- new_freq = clock_tick = sparc64_get_clock_tick(cpu) / 1000;
- new_bits = index_to_estar_mode(index);
- divisor = index_to_divisor(index);
- new_freq /= divisor;
-
- estar = read_hbreg(HBIRD_ESTAR_MODE_ADDR);
-
- old_divisor = estar_to_divisor(estar);
-
- freqs.old = clock_tick / old_divisor;
- freqs.new = new_freq;
- freqs.cpu = cpu;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
-
- if (old_divisor != divisor)
- us2e_transition(estar, new_bits, clock_tick * 1000,
- old_divisor, divisor);
-
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
-
- set_cpus_allowed_ptr(current, &cpus_allowed);
-}
-
-static int us2e_freq_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation)
-{
- unsigned int new_index = 0;
-
- if (cpufreq_frequency_table_target(policy,
- &us2e_freq_table[policy->cpu].table[0],
- target_freq, relation, &new_index))
- return -EINVAL;
-
- us2e_set_cpu_divider_index(policy->cpu, new_index);
-
- return 0;
-}
-
-static int us2e_freq_verify(struct cpufreq_policy *policy)
-{
- return cpufreq_frequency_table_verify(policy,
- &us2e_freq_table[policy->cpu].table[0]);
-}
-
-static int __init us2e_freq_cpu_init(struct cpufreq_policy *policy)
-{
- unsigned int cpu = policy->cpu;
- unsigned long clock_tick = sparc64_get_clock_tick(cpu) / 1000;
- struct cpufreq_frequency_table *table =
- &us2e_freq_table[cpu].table[0];
-
- table[0].index = 0;
- table[0].frequency = clock_tick / 1;
- table[1].index = 1;
- table[1].frequency = clock_tick / 2;
- table[2].index = 2;
- table[2].frequency = clock_tick / 4;
- table[2].index = 3;
- table[2].frequency = clock_tick / 6;
- table[2].index = 4;
- table[2].frequency = clock_tick / 8;
- table[2].index = 5;
- table[3].frequency = CPUFREQ_TABLE_END;
-
- policy->cpuinfo.transition_latency = 0;
- policy->cur = clock_tick;
-
- return cpufreq_frequency_table_cpuinfo(policy, table);
-}
-
-static int us2e_freq_cpu_exit(struct cpufreq_policy *policy)
-{
- if (cpufreq_us2e_driver)
- us2e_set_cpu_divider_index(policy->cpu, 0);
-
- return 0;
-}
-
-static int __init us2e_freq_init(void)
-{
- unsigned long manuf, impl, ver;
- int ret;
-
- if (tlb_type != spitfire)
- return -ENODEV;
-
- __asm__("rdpr %%ver, %0" : "=r" (ver));
- manuf = ((ver >> 48) & 0xffff);
- impl = ((ver >> 32) & 0xffff);
-
- if (manuf == 0x17 && impl == 0x13) {
- struct cpufreq_driver *driver;
-
- ret = -ENOMEM;
- driver = kzalloc(sizeof(struct cpufreq_driver), GFP_KERNEL);
- if (!driver)
- goto err_out;
-
- us2e_freq_table = kzalloc(
- (NR_CPUS * sizeof(struct us2e_freq_percpu_info)),
- GFP_KERNEL);
- if (!us2e_freq_table)
- goto err_out;
-
- driver->init = us2e_freq_cpu_init;
- driver->verify = us2e_freq_verify;
- driver->target = us2e_freq_target;
- driver->get = us2e_freq_get;
- driver->exit = us2e_freq_cpu_exit;
- driver->owner = THIS_MODULE,
- strcpy(driver->name, "UltraSPARC-IIe");
-
- cpufreq_us2e_driver = driver;
- ret = cpufreq_register_driver(driver);
- if (ret)
- goto err_out;
-
- return 0;
-
-err_out:
- if (driver) {
- kfree(driver);
- cpufreq_us2e_driver = NULL;
- }
- kfree(us2e_freq_table);
- us2e_freq_table = NULL;
- return ret;
- }
-
- return -ENODEV;
-}
-
-static void __exit us2e_freq_exit(void)
-{
- if (cpufreq_us2e_driver) {
- cpufreq_unregister_driver(cpufreq_us2e_driver);
- kfree(cpufreq_us2e_driver);
- cpufreq_us2e_driver = NULL;
- kfree(us2e_freq_table);
- us2e_freq_table = NULL;
- }
-}
-
-MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
-MODULE_DESCRIPTION("cpufreq driver for UltraSPARC-IIe");
-MODULE_LICENSE("GPL");
-
-module_init(us2e_freq_init);
-module_exit(us2e_freq_exit);
diff --git a/arch/sparc/kernel/us3_cpufreq.c b/arch/sparc/kernel/us3_cpufreq.c
deleted file mode 100644
index eb1624b931d9..000000000000
--- a/arch/sparc/kernel/us3_cpufreq.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/* us3_cpufreq.c: UltraSPARC-III cpu frequency support
- *
- * Copyright (C) 2003 David S. Miller (davem@redhat.com)
- *
- * Many thanks to Dominik Brodowski for fixing up the cpufreq
- * infrastructure in order to make this driver easier to implement.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/cpufreq.h>
-#include <linux/threads.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-
-#include <asm/head.h>
-#include <asm/timer.h>
-
-static struct cpufreq_driver *cpufreq_us3_driver;
-
-struct us3_freq_percpu_info {
- struct cpufreq_frequency_table table[4];
-};
-
-/* Indexed by cpu number. */
-static struct us3_freq_percpu_info *us3_freq_table;
-
-/* UltraSPARC-III has three dividers: 1, 2, and 32. These are controlled
- * in the Safari config register.
- */
-#define SAFARI_CFG_DIV_1 0x0000000000000000UL
-#define SAFARI_CFG_DIV_2 0x0000000040000000UL
-#define SAFARI_CFG_DIV_32 0x0000000080000000UL
-#define SAFARI_CFG_DIV_MASK 0x00000000C0000000UL
-
-static unsigned long read_safari_cfg(void)
-{
- unsigned long ret;
-
- __asm__ __volatile__("ldxa [%%g0] %1, %0"
- : "=&r" (ret)
- : "i" (ASI_SAFARI_CONFIG));
- return ret;
-}
-
-static void write_safari_cfg(unsigned long val)
-{
- __asm__ __volatile__("stxa %0, [%%g0] %1\n\t"
- "membar #Sync"
- : /* no outputs */
- : "r" (val), "i" (ASI_SAFARI_CONFIG)
- : "memory");
-}
-
-static unsigned long get_current_freq(unsigned int cpu, unsigned long safari_cfg)
-{
- unsigned long clock_tick = sparc64_get_clock_tick(cpu) / 1000;
- unsigned long ret;
-
- switch (safari_cfg & SAFARI_CFG_DIV_MASK) {
- case SAFARI_CFG_DIV_1:
- ret = clock_tick / 1;
- break;
- case SAFARI_CFG_DIV_2:
- ret = clock_tick / 2;
- break;
- case SAFARI_CFG_DIV_32:
- ret = clock_tick / 32;
- break;
- default:
- BUG();
- }
-
- return ret;
-}
-
-static unsigned int us3_freq_get(unsigned int cpu)
-{
- cpumask_t cpus_allowed;
- unsigned long reg;
- unsigned int ret;
-
- if (!cpu_online(cpu))
- return 0;
-
- cpumask_copy(&cpus_allowed, tsk_cpus_allowed(current));
- set_cpus_allowed_ptr(current, cpumask_of(cpu));
-
- reg = read_safari_cfg();
- ret = get_current_freq(cpu, reg);
-
- set_cpus_allowed_ptr(current, &cpus_allowed);
-
- return ret;
-}
-
-static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index)
-{
- unsigned long new_bits, new_freq, reg;
- cpumask_t cpus_allowed;
- struct cpufreq_freqs freqs;
-
- if (!cpu_online(cpu))
- return;
-
- cpumask_copy(&cpus_allowed, tsk_cpus_allowed(current));
- set_cpus_allowed_ptr(current, cpumask_of(cpu));
-
- new_freq = sparc64_get_clock_tick(cpu) / 1000;
- switch (index) {
- case 0:
- new_bits = SAFARI_CFG_DIV_1;
- new_freq /= 1;
- break;
- case 1:
- new_bits = SAFARI_CFG_DIV_2;
- new_freq /= 2;
- break;
- case 2:
- new_bits = SAFARI_CFG_DIV_32;
- new_freq /= 32;
- break;
-
- default:
- BUG();
- }
-
- reg = read_safari_cfg();
-
- freqs.old = get_current_freq(cpu, reg);
- freqs.new = new_freq;
- freqs.cpu = cpu;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
-
- reg &= ~SAFARI_CFG_DIV_MASK;
- reg |= new_bits;
- write_safari_cfg(reg);
-
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
-
- set_cpus_allowed_ptr(current, &cpus_allowed);
-}
-
-static int us3_freq_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation)
-{
- unsigned int new_index = 0;
-
- if (cpufreq_frequency_table_target(policy,
- &us3_freq_table[policy->cpu].table[0],
- target_freq,
- relation,
- &new_index))
- return -EINVAL;
-
- us3_set_cpu_divider_index(policy->cpu, new_index);
-
- return 0;
-}
-
-static int us3_freq_verify(struct cpufreq_policy *policy)
-{
- return cpufreq_frequency_table_verify(policy,
- &us3_freq_table[policy->cpu].table[0]);
-}
-
-static int __init us3_freq_cpu_init(struct cpufreq_policy *policy)
-{
- unsigned int cpu = policy->cpu;
- unsigned long clock_tick = sparc64_get_clock_tick(cpu) / 1000;
- struct cpufreq_frequency_table *table =
- &us3_freq_table[cpu].table[0];
-
- table[0].index = 0;
- table[0].frequency = clock_tick / 1;
- table[1].index = 1;
- table[1].frequency = clock_tick / 2;
- table[2].index = 2;
- table[2].frequency = clock_tick / 32;
- table[3].index = 0;
- table[3].frequency = CPUFREQ_TABLE_END;
-
- policy->cpuinfo.transition_latency = 0;
- policy->cur = clock_tick;
-
- return cpufreq_frequency_table_cpuinfo(policy, table);
-}
-
-static int us3_freq_cpu_exit(struct cpufreq_policy *policy)
-{
- if (cpufreq_us3_driver)
- us3_set_cpu_divider_index(policy->cpu, 0);
-
- return 0;
-}
-
-static int __init us3_freq_init(void)
-{
- unsigned long manuf, impl, ver;
- int ret;
-
- if (tlb_type != cheetah && tlb_type != cheetah_plus)
- return -ENODEV;
-
- __asm__("rdpr %%ver, %0" : "=r" (ver));
- manuf = ((ver >> 48) & 0xffff);
- impl = ((ver >> 32) & 0xffff);
-
- if (manuf == CHEETAH_MANUF &&
- (impl == CHEETAH_IMPL ||
- impl == CHEETAH_PLUS_IMPL ||
- impl == JAGUAR_IMPL ||
- impl == PANTHER_IMPL)) {
- struct cpufreq_driver *driver;
-
- ret = -ENOMEM;
- driver = kzalloc(sizeof(struct cpufreq_driver), GFP_KERNEL);
- if (!driver)
- goto err_out;
-
- us3_freq_table = kzalloc(
- (NR_CPUS * sizeof(struct us3_freq_percpu_info)),
- GFP_KERNEL);
- if (!us3_freq_table)
- goto err_out;
-
- driver->init = us3_freq_cpu_init;
- driver->verify = us3_freq_verify;
- driver->target = us3_freq_target;
- driver->get = us3_freq_get;
- driver->exit = us3_freq_cpu_exit;
- driver->owner = THIS_MODULE,
- strcpy(driver->name, "UltraSPARC-III");
-
- cpufreq_us3_driver = driver;
- ret = cpufreq_register_driver(driver);
- if (ret)
- goto err_out;
-
- return 0;
-
-err_out:
- if (driver) {
- kfree(driver);
- cpufreq_us3_driver = NULL;
- }
- kfree(us3_freq_table);
- us3_freq_table = NULL;
- return ret;
- }
-
- return -ENODEV;
-}
-
-static void __exit us3_freq_exit(void)
-{
- if (cpufreq_us3_driver) {
- cpufreq_unregister_driver(cpufreq_us3_driver);
- kfree(cpufreq_us3_driver);
- cpufreq_us3_driver = NULL;
- kfree(us3_freq_table);
- us3_freq_table = NULL;
- }
-}
-
-MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
-MODULE_DESCRIPTION("cpufreq driver for UltraSPARC-III");
-MODULE_LICENSE("GPL");
-
-module_init(us3_freq_init);
-module_exit(us3_freq_exit);
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index 3e244f31e56b..8647fcc5ca6c 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -342,6 +342,7 @@ static void vio_remove(struct mdesc_handle *hp, u64 node)
printk(KERN_INFO "VIO: Removing device %s\n", dev_name(dev));
device_unregister(dev);
+ put_device(dev);
}
}
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index 8410065f2862..dbe119b63b48 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -45,4 +45,3 @@ obj-y += iomap.o
obj-$(CONFIG_SPARC32) += atomic32.o ucmpdi2.o
obj-y += ksyms.o
obj-$(CONFIG_SPARC64) += PeeCeeI.o
-obj-y += usercopy.o
diff --git a/arch/sparc/lib/bitext.c b/arch/sparc/lib/bitext.c
index 48d00e72ce15..8ec4e9c0251a 100644
--- a/arch/sparc/lib/bitext.c
+++ b/arch/sparc/lib/bitext.c
@@ -119,11 +119,7 @@ void bit_map_clear(struct bit_map *t, int offset, int len)
void bit_map_init(struct bit_map *t, unsigned long *map, int size)
{
-
- if ((size & 07) != 0)
- BUG();
- memset(map, 0, size>>3);
-
+ bitmap_zero(map, size);
memset(t, 0, sizeof *t);
spin_lock_init(&t->lock);
t->map = map;
diff --git a/arch/sparc/lib/usercopy.c b/arch/sparc/lib/usercopy.c
deleted file mode 100644
index 5c4284ce1c03..000000000000
--- a/arch/sparc/lib/usercopy.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/bug.h>
-
-void copy_from_user_overflow(void)
-{
- WARN(1, "Buffer overflow detected!\n");
-}
-EXPORT_SYMBOL(copy_from_user_overflow);
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 48e0c030e8f5..4490c397bb5b 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -282,14 +282,8 @@ static void map_high_region(unsigned long start_pfn, unsigned long end_pfn)
printk("mapping high region %08lx - %08lx\n", start_pfn, end_pfn);
#endif
- for (tmp = start_pfn; tmp < end_pfn; tmp++) {
- struct page *page = pfn_to_page(tmp);
-
- ClearPageReserved(page);
- init_page_count(page);
- __free_page(page);
- totalhigh_pages++;
- }
+ for (tmp = start_pfn; tmp < end_pfn; tmp++)
+ free_highmem_page(pfn_to_page(tmp));
}
void __init mem_init(void)
@@ -347,8 +341,6 @@ void __init mem_init(void)
map_high_region(start_pfn, end_pfn);
}
- totalram_pages += totalhigh_pages;
-
codepages = (((unsigned long) &_etext) - ((unsigned long)&_start));
codepages = PAGE_ALIGN(codepages) >> PAGE_SHIFT;
datapages = (((unsigned long) &_edata) - ((unsigned long)&_etext));
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 4ccaa1b9961f..cf72a8a5b3aa 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2178,10 +2178,9 @@ unsigned long vmemmap_table[VMEMMAP_SIZE];
static long __meminitdata addr_start, addr_end;
static int __meminitdata node_start;
-int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node)
+int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend,
+ int node)
{
- unsigned long vstart = (unsigned long) start;
- unsigned long vend = (unsigned long) (start + nr);
unsigned long phys_start = (vstart - VMEMMAP_BASE);
unsigned long phys_end = (vend - VMEMMAP_BASE);
unsigned long addr = phys_start & VMEMMAP_CHUNK_MASK;
@@ -2233,7 +2232,7 @@ void __meminit vmemmap_populate_print_last(void)
}
}
-void vmemmap_free(struct page *memmap, unsigned long nr_pages)
+void vmemmap_free(unsigned long start, unsigned long end)
{
}
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index 0f4f7191fbba..28f96f27c768 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -34,7 +34,7 @@
#define IOMMU_RNGE IOMMU_RNGE_256MB
#define IOMMU_START 0xF0000000
#define IOMMU_WINSIZE (256*1024*1024U)
-#define IOMMU_NPTES (IOMMU_WINSIZE/PAGE_SIZE) /* 64K PTEs, 265KB */
+#define IOMMU_NPTES (IOMMU_WINSIZE/PAGE_SIZE) /* 64K PTEs, 256KB */
#define IOMMU_ORDER 6 /* 4096 * (1<<6) */
/* srmmu.c */
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index c38bb72e3e80..036c2797dece 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -280,7 +280,9 @@ static void __init srmmu_nocache_init(void)
SRMMU_NOCACHE_ALIGN_MAX, 0UL);
memset(srmmu_nocache_pool, 0, srmmu_nocache_size);
- srmmu_nocache_bitmap = __alloc_bootmem(bitmap_bits >> 3, SMP_CACHE_BYTES, 0UL);
+ srmmu_nocache_bitmap =
+ __alloc_bootmem(BITS_TO_LONGS(bitmap_bits) * sizeof(long),
+ SMP_CACHE_BYTES, 0UL);
bit_map_init(&srmmu_nocache_map, srmmu_nocache_bitmap, bitmap_bits);
srmmu_swapper_pg_dir = __srmmu_get_nocache(SRMMU_PGD_TABLE_SIZE, SRMMU_PGD_TABLE_SIZE);
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c
index ba6ae7ffdc2c..83d89bcb44af 100644
--- a/arch/sparc/mm/tlb.c
+++ b/arch/sparc/mm/tlb.c
@@ -24,11 +24,17 @@ static DEFINE_PER_CPU(struct tlb_batch, tlb_batch);
void flush_tlb_pending(void)
{
struct tlb_batch *tb = &get_cpu_var(tlb_batch);
+ struct mm_struct *mm = tb->mm;
- if (tb->tlb_nr) {
- flush_tsb_user(tb);
+ if (!tb->tlb_nr)
+ goto out;
- if (CTX_VALID(tb->mm->context)) {
+ flush_tsb_user(tb);
+
+ if (CTX_VALID(mm->context)) {
+ if (tb->tlb_nr == 1) {
+ global_flush_tlb_page(mm, tb->vaddrs[0]);
+ } else {
#ifdef CONFIG_SMP
smp_flush_tlb_pending(tb->mm, tb->tlb_nr,
&tb->vaddrs[0]);
@@ -37,12 +43,30 @@ void flush_tlb_pending(void)
tb->tlb_nr, &tb->vaddrs[0]);
#endif
}
- tb->tlb_nr = 0;
}
+ tb->tlb_nr = 0;
+
+out:
put_cpu_var(tlb_batch);
}
+void arch_enter_lazy_mmu_mode(void)
+{
+ struct tlb_batch *tb = &__get_cpu_var(tlb_batch);
+
+ tb->active = 1;
+}
+
+void arch_leave_lazy_mmu_mode(void)
+{
+ struct tlb_batch *tb = &__get_cpu_var(tlb_batch);
+
+ if (tb->tlb_nr)
+ flush_tlb_pending();
+ tb->active = 0;
+}
+
static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr,
bool exec)
{
@@ -60,6 +84,12 @@ static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr,
nr = 0;
}
+ if (!tb->active) {
+ global_flush_tlb_page(mm, vaddr);
+ flush_tsb_user_page(mm, vaddr);
+ goto out;
+ }
+
if (nr == 0)
tb->mm = mm;
@@ -68,6 +98,7 @@ static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr,
if (nr >= TLB_BATCH_NR)
flush_tlb_pending();
+out:
put_cpu_var(tlb_batch);
}
diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c
index 428982b9becf..2cc3bce5ee91 100644
--- a/arch/sparc/mm/tsb.c
+++ b/arch/sparc/mm/tsb.c
@@ -7,11 +7,10 @@
#include <linux/preempt.h>
#include <linux/slab.h>
#include <asm/page.h>
-#include <asm/tlbflush.h>
-#include <asm/tlb.h>
-#include <asm/mmu_context.h>
#include <asm/pgtable.h>
+#include <asm/mmu_context.h>
#include <asm/tsb.h>
+#include <asm/tlb.h>
#include <asm/oplib.h>
extern struct tsb swapper_tsb[KERNEL_TSB_NENTRIES];
@@ -46,23 +45,27 @@ void flush_tsb_kernel_range(unsigned long start, unsigned long end)
}
}
-static void __flush_tsb_one(struct tlb_batch *tb, unsigned long hash_shift,
- unsigned long tsb, unsigned long nentries)
+static void __flush_tsb_one_entry(unsigned long tsb, unsigned long v,
+ unsigned long hash_shift,
+ unsigned long nentries)
{
- unsigned long i;
+ unsigned long tag, ent, hash;
- for (i = 0; i < tb->tlb_nr; i++) {
- unsigned long v = tb->vaddrs[i];
- unsigned long tag, ent, hash;
+ v &= ~0x1UL;
+ hash = tsb_hash(v, hash_shift, nentries);
+ ent = tsb + (hash * sizeof(struct tsb));
+ tag = (v >> 22UL);
- v &= ~0x1UL;
+ tsb_flush(ent, tag);
+}
- hash = tsb_hash(v, hash_shift, nentries);
- ent = tsb + (hash * sizeof(struct tsb));
- tag = (v >> 22UL);
+static void __flush_tsb_one(struct tlb_batch *tb, unsigned long hash_shift,
+ unsigned long tsb, unsigned long nentries)
+{
+ unsigned long i;
- tsb_flush(ent, tag);
- }
+ for (i = 0; i < tb->tlb_nr; i++)
+ __flush_tsb_one_entry(tsb, tb->vaddrs[i], hash_shift, nentries);
}
void flush_tsb_user(struct tlb_batch *tb)
@@ -90,6 +93,30 @@ void flush_tsb_user(struct tlb_batch *tb)
spin_unlock_irqrestore(&mm->context.lock, flags);
}
+void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr)
+{
+ unsigned long nentries, base, flags;
+
+ spin_lock_irqsave(&mm->context.lock, flags);
+
+ base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb;
+ nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries;
+ if (tlb_type == cheetah_plus || tlb_type == hypervisor)
+ base = __pa(base);
+ __flush_tsb_one_entry(base, vaddr, PAGE_SHIFT, nentries);
+
+#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
+ if (mm->context.tsb_block[MM_TSB_HUGE].tsb) {
+ base = (unsigned long) mm->context.tsb_block[MM_TSB_HUGE].tsb;
+ nentries = mm->context.tsb_block[MM_TSB_HUGE].tsb_nentries;
+ if (tlb_type == cheetah_plus || tlb_type == hypervisor)
+ base = __pa(base);
+ __flush_tsb_one_entry(base, vaddr, HPAGE_SHIFT, nentries);
+ }
+#endif
+ spin_unlock_irqrestore(&mm->context.lock, flags);
+}
+
#define HV_PGSZ_IDX_BASE HV_PGSZ_IDX_8K
#define HV_PGSZ_MASK_BASE HV_PGSZ_MASK_8K
diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S
index f8e13d421fcb..432aa0cb1b38 100644
--- a/arch/sparc/mm/ultra.S
+++ b/arch/sparc/mm/ultra.S
@@ -53,6 +53,33 @@ __flush_tlb_mm: /* 18 insns */
nop
.align 32
+ .globl __flush_tlb_page
+__flush_tlb_page: /* 22 insns */
+ /* %o0 = context, %o1 = vaddr */
+ rdpr %pstate, %g7
+ andn %g7, PSTATE_IE, %g2
+ wrpr %g2, %pstate
+ mov SECONDARY_CONTEXT, %o4
+ ldxa [%o4] ASI_DMMU, %g2
+ stxa %o0, [%o4] ASI_DMMU
+ andcc %o1, 1, %g0
+ andn %o1, 1, %o3
+ be,pn %icc, 1f
+ or %o3, 0x10, %o3
+ stxa %g0, [%o3] ASI_IMMU_DEMAP
+1: stxa %g0, [%o3] ASI_DMMU_DEMAP
+ membar #Sync
+ stxa %g2, [%o4] ASI_DMMU
+ sethi %hi(KERNBASE), %o4
+ flush %o4
+ retl
+ wrpr %g7, 0x0, %pstate
+ nop
+ nop
+ nop
+ nop
+
+ .align 32
.globl __flush_tlb_pending
__flush_tlb_pending: /* 26 insns */
/* %o0 = context, %o1 = nr, %o2 = vaddrs[] */
@@ -203,6 +230,31 @@ __cheetah_flush_tlb_mm: /* 19 insns */
retl
wrpr %g7, 0x0, %pstate
+__cheetah_flush_tlb_page: /* 22 insns */
+ /* %o0 = context, %o1 = vaddr */
+ rdpr %pstate, %g7
+ andn %g7, PSTATE_IE, %g2
+ wrpr %g2, 0x0, %pstate
+ wrpr %g0, 1, %tl
+ mov PRIMARY_CONTEXT, %o4
+ ldxa [%o4] ASI_DMMU, %g2
+ srlx %g2, CTX_PGSZ1_NUC_SHIFT, %o3
+ sllx %o3, CTX_PGSZ1_NUC_SHIFT, %o3
+ or %o0, %o3, %o0 /* Preserve nucleus page size fields */
+ stxa %o0, [%o4] ASI_DMMU
+ andcc %o1, 1, %g0
+ be,pn %icc, 1f
+ andn %o1, 1, %o3
+ stxa %g0, [%o3] ASI_IMMU_DEMAP
+1: stxa %g0, [%o3] ASI_DMMU_DEMAP
+ membar #Sync
+ stxa %g2, [%o4] ASI_DMMU
+ sethi %hi(KERNBASE), %o4
+ flush %o4
+ wrpr %g0, 0, %tl
+ retl
+ wrpr %g7, 0x0, %pstate
+
__cheetah_flush_tlb_pending: /* 27 insns */
/* %o0 = context, %o1 = nr, %o2 = vaddrs[] */
rdpr %pstate, %g7
@@ -269,6 +321,20 @@ __hypervisor_flush_tlb_mm: /* 10 insns */
retl
nop
+__hypervisor_flush_tlb_page: /* 11 insns */
+ /* %o0 = context, %o1 = vaddr */
+ mov %o0, %g2
+ mov %o1, %o0 /* ARG0: vaddr + IMMU-bit */
+ mov %g2, %o1 /* ARG1: mmu context */
+ mov HV_MMU_ALL, %o2 /* ARG2: flags */
+ srlx %o0, PAGE_SHIFT, %o0
+ sllx %o0, PAGE_SHIFT, %o0
+ ta HV_MMU_UNMAP_ADDR_TRAP
+ brnz,pn %o0, __hypervisor_tlb_tl0_error
+ mov HV_MMU_UNMAP_ADDR_TRAP, %o1
+ retl
+ nop
+
__hypervisor_flush_tlb_pending: /* 16 insns */
/* %o0 = context, %o1 = nr, %o2 = vaddrs[] */
sllx %o1, 3, %g1
@@ -339,6 +405,13 @@ cheetah_patch_cachetlbops:
call tlb_patch_one
mov 19, %o2
+ sethi %hi(__flush_tlb_page), %o0
+ or %o0, %lo(__flush_tlb_page), %o0
+ sethi %hi(__cheetah_flush_tlb_page), %o1
+ or %o1, %lo(__cheetah_flush_tlb_page), %o1
+ call tlb_patch_one
+ mov 22, %o2
+
sethi %hi(__flush_tlb_pending), %o0
or %o0, %lo(__flush_tlb_pending), %o0
sethi %hi(__cheetah_flush_tlb_pending), %o1
@@ -397,10 +470,9 @@ xcall_flush_tlb_mm: /* 21 insns */
nop
nop
- .globl xcall_flush_tlb_pending
-xcall_flush_tlb_pending: /* 21 insns */
- /* %g5=context, %g1=nr, %g7=vaddrs[] */
- sllx %g1, 3, %g1
+ .globl xcall_flush_tlb_page
+xcall_flush_tlb_page: /* 17 insns */
+ /* %g5=context, %g1=vaddr */
mov PRIMARY_CONTEXT, %g4
ldxa [%g4] ASI_DMMU, %g2
srlx %g2, CTX_PGSZ1_NUC_SHIFT, %g4
@@ -408,20 +480,16 @@ xcall_flush_tlb_pending: /* 21 insns */
or %g5, %g4, %g5
mov PRIMARY_CONTEXT, %g4
stxa %g5, [%g4] ASI_DMMU
-1: sub %g1, (1 << 3), %g1
- ldx [%g7 + %g1], %g5
- andcc %g5, 0x1, %g0
+ andcc %g1, 0x1, %g0
be,pn %icc, 2f
-
- andn %g5, 0x1, %g5
+ andn %g1, 0x1, %g5
stxa %g0, [%g5] ASI_IMMU_DEMAP
2: stxa %g0, [%g5] ASI_DMMU_DEMAP
membar #Sync
- brnz,pt %g1, 1b
- nop
stxa %g2, [%g4] ASI_DMMU
retry
nop
+ nop
.globl xcall_flush_tlb_kernel_range
xcall_flush_tlb_kernel_range: /* 25 insns */
@@ -656,15 +724,13 @@ __hypervisor_xcall_flush_tlb_mm: /* 21 insns */
membar #Sync
retry
- .globl __hypervisor_xcall_flush_tlb_pending
-__hypervisor_xcall_flush_tlb_pending: /* 21 insns */
- /* %g5=ctx, %g1=nr, %g7=vaddrs[], %g2,%g3,%g4,g6=scratch */
- sllx %g1, 3, %g1
+ .globl __hypervisor_xcall_flush_tlb_page
+__hypervisor_xcall_flush_tlb_page: /* 17 insns */
+ /* %g5=ctx, %g1=vaddr */
mov %o0, %g2
mov %o1, %g3
mov %o2, %g4
-1: sub %g1, (1 << 3), %g1
- ldx [%g7 + %g1], %o0 /* ARG0: virtual address */
+ mov %g1, %o0 /* ARG0: virtual address */
mov %g5, %o1 /* ARG1: mmu context */
mov HV_MMU_ALL, %o2 /* ARG2: flags */
srlx %o0, PAGE_SHIFT, %o0
@@ -673,8 +739,6 @@ __hypervisor_xcall_flush_tlb_pending: /* 21 insns */
mov HV_MMU_UNMAP_ADDR_TRAP, %g6
brnz,a,pn %o0, __hypervisor_tlb_xcall_error
mov %o0, %g5
- brnz,pt %g1, 1b
- nop
mov %g2, %o0
mov %g3, %o1
mov %g4, %o2
@@ -757,6 +821,13 @@ hypervisor_patch_cachetlbops:
call tlb_patch_one
mov 10, %o2
+ sethi %hi(__flush_tlb_page), %o0
+ or %o0, %lo(__flush_tlb_page), %o0
+ sethi %hi(__hypervisor_flush_tlb_page), %o1
+ or %o1, %lo(__hypervisor_flush_tlb_page), %o1
+ call tlb_patch_one
+ mov 11, %o2
+
sethi %hi(__flush_tlb_pending), %o0
or %o0, %lo(__flush_tlb_pending), %o0
sethi %hi(__hypervisor_flush_tlb_pending), %o1
@@ -788,12 +859,12 @@ hypervisor_patch_cachetlbops:
call tlb_patch_one
mov 21, %o2
- sethi %hi(xcall_flush_tlb_pending), %o0
- or %o0, %lo(xcall_flush_tlb_pending), %o0
- sethi %hi(__hypervisor_xcall_flush_tlb_pending), %o1
- or %o1, %lo(__hypervisor_xcall_flush_tlb_pending), %o1
+ sethi %hi(xcall_flush_tlb_page), %o0
+ or %o0, %lo(xcall_flush_tlb_page), %o0
+ sethi %hi(__hypervisor_xcall_flush_tlb_page), %o1
+ or %o1, %lo(__hypervisor_xcall_flush_tlb_page), %o1
call tlb_patch_one
- mov 21, %o2
+ mov 17, %o2
sethi %hi(xcall_flush_tlb_kernel_range), %o0
or %o0, %lo(xcall_flush_tlb_kernel_range), %o0
diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c
index 3109ca684a99..d36a85ebb5e0 100644
--- a/arch/sparc/net/bpf_jit_comp.c
+++ b/arch/sparc/net/bpf_jit_comp.c
@@ -795,13 +795,9 @@ cond_branch: f_offset = addrs[i + filter[i].jf];
}
if (bpf_jit_enable > 1)
- pr_err("flen=%d proglen=%u pass=%d image=%p\n",
- flen, proglen, pass, image);
+ bpf_jit_dump(flen, proglen, pass, image);
if (image) {
- if (bpf_jit_enable > 1)
- print_hex_dump(KERN_ERR, "JIT code: ", DUMP_PREFIX_ADDRESS,
- 16, 1, image, proglen, false);
bpf_flush_icache(image, image + proglen);
fp->bpf_func = (void *)image;
}