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-rw-r--r--arch/mips/include/asm/Kbuild1
-rw-r--r--arch/mips/include/asm/mipsregs.h6
-rw-r--r--arch/mips/include/asm/processor.h1
-rw-r--r--arch/mips/include/asm/tlb.h13
-rw-r--r--arch/mips/include/uapi/asm/socket.h2
-rw-r--r--arch/mips/kernel/time.c2
-rw-r--r--arch/mips/lantiq/falcon/sysctrl.c2
-rw-r--r--arch/mips/mm/fault.c9
-rw-r--r--arch/mips/mm/init.c4
-rw-r--r--arch/mips/mm/tlb-r4k.c6
10 files changed, 33 insertions, 13 deletions
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index 9740066cc631..3269b742a75e 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -9,7 +9,6 @@ generic-y += irq_work.h
generic-y += local64.h
generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
-generic-y += mutex.h
generic-y += parport.h
generic-y += percpu.h
generic-y += preempt.h
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 7dd2dd47909a..df78b2ca70eb 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -215,6 +215,12 @@
#endif
/*
+ * Wired register bits
+ */
+#define MIPSR6_WIRED_LIMIT (_ULCAST_(0xffff) << 16)
+#define MIPSR6_WIRED_WIRED (_ULCAST_(0xffff) << 0)
+
+/*
* Values used for computation of new tlb entries
*/
#define PL_4K 12
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 0d36c87acbe2..95b8c471f572 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -389,7 +389,6 @@ unsigned long get_wchan(struct task_struct *p);
#define KSTK_STATUS(tsk) (task_pt_regs(tsk)->cp0_status)
#define cpu_relax() barrier()
-#define cpu_relax_lowlatency() cpu_relax()
/*
* Return_address is a replacement for __builtin_return_address(count)
diff --git a/arch/mips/include/asm/tlb.h b/arch/mips/include/asm/tlb.h
index 4a2349302b55..dd179fd8acda 100644
--- a/arch/mips/include/asm/tlb.h
+++ b/arch/mips/include/asm/tlb.h
@@ -1,6 +1,9 @@
#ifndef __ASM_TLB_H
#define __ASM_TLB_H
+#include <asm/cpu-features.h>
+#include <asm/mipsregs.h>
+
/*
* MIPS doesn't need any special per-pte or per-vma handling, except
* we need to flush cache for area to be unmapped.
@@ -22,6 +25,16 @@
((CKSEG0 + ((idx) << (PAGE_SHIFT + 1))) | \
(cpu_has_tlbinv ? MIPS_ENTRYHI_EHINV : 0))
+static inline unsigned int num_wired_entries(void)
+{
+ unsigned int wired = read_c0_wired();
+
+ if (cpu_has_mips_r6)
+ wired &= MIPSR6_WIRED_WIRED;
+
+ return wired;
+}
+
#include <asm-generic/tlb.h>
#endif /* __ASM_TLB_H */
diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h
index 2027240aafbb..566ecdcb5b4b 100644
--- a/arch/mips/include/uapi/asm/socket.h
+++ b/arch/mips/include/uapi/asm/socket.h
@@ -108,4 +108,6 @@
#define SO_CNX_ADVICE 53
+#define SCM_TIMESTAMPING_OPT_STATS 54
+
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index 8d0170969e22..a7f81261c781 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -36,7 +36,7 @@ EXPORT_SYMBOL(rtc_lock);
int __weak rtc_mips_set_time(unsigned long sec)
{
- return 0;
+ return -ENODEV;
}
int __weak rtc_mips_set_mmss(unsigned long nowtime)
diff --git a/arch/mips/lantiq/falcon/sysctrl.c b/arch/mips/lantiq/falcon/sysctrl.c
index 2a1b3021589c..82bbd0e2e298 100644
--- a/arch/mips/lantiq/falcon/sysctrl.c
+++ b/arch/mips/lantiq/falcon/sysctrl.c
@@ -24,7 +24,7 @@
/* GPE frequency selection */
#define GPPC_OFFSET 24
-#define GPEFREQ_MASK 0x00000C0
+#define GPEFREQ_MASK 0x0000C00
#define GPEFREQ_OFFSET 10
/* Clock status register */
#define SYSCTL_CLKS 0x0000
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index d56a855828c2..3bef306cdfdb 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -209,17 +209,18 @@ bad_area_nosemaphore:
if (show_unhandled_signals &&
unhandled_signal(tsk, SIGSEGV) &&
__ratelimit(&ratelimit_state)) {
- pr_info("\ndo_page_fault(): sending SIGSEGV to %s for invalid %s %0*lx",
+ pr_info("do_page_fault(): sending SIGSEGV to %s for invalid %s %0*lx\n",
tsk->comm,
write ? "write access to" : "read access from",
field, address);
pr_info("epc = %0*lx in", field,
(unsigned long) regs->cp0_epc);
- print_vma_addr(" ", regs->cp0_epc);
+ print_vma_addr(KERN_CONT " ", regs->cp0_epc);
+ pr_cont("\n");
pr_info("ra = %0*lx in", field,
(unsigned long) regs->regs[31]);
- print_vma_addr(" ", regs->regs[31]);
- pr_info("\n");
+ print_vma_addr(KERN_CONT " ", regs->regs[31]);
+ pr_cont("\n");
}
current->thread.trap_nr = (regs->cp0_cause >> 2) & 0x1f;
info.si_signo = SIGSEGV;
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 3a6edecc3f38..e86ebcf5c071 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -118,7 +118,7 @@ static void *__kmap_pgprot(struct page *page, unsigned long addr, pgprot_t prot)
writex_c0_entrylo1(entrylo);
}
#endif
- tlbidx = read_c0_wired();
+ tlbidx = num_wired_entries();
write_c0_wired(tlbidx + 1);
write_c0_index(tlbidx);
mtc0_tlbw_hazard();
@@ -147,7 +147,7 @@ void kunmap_coherent(void)
local_irq_save(flags);
old_ctx = read_c0_entryhi();
- wired = read_c0_wired() - 1;
+ wired = num_wired_entries() - 1;
write_c0_wired(wired);
write_c0_index(wired);
write_c0_entryhi(UNIQUE_ENTRYHI(wired));
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index bba9c1484b41..0596505770db 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -65,7 +65,7 @@ void local_flush_tlb_all(void)
write_c0_entrylo0(0);
write_c0_entrylo1(0);
- entry = read_c0_wired();
+ entry = num_wired_entries();
/*
* Blast 'em all away.
@@ -385,7 +385,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
old_ctx = read_c0_entryhi();
htw_stop();
old_pagemask = read_c0_pagemask();
- wired = read_c0_wired();
+ wired = num_wired_entries();
write_c0_wired(wired + 1);
write_c0_index(wired);
tlbw_use_hazard(); /* What is the hazard here? */
@@ -449,7 +449,7 @@ __init int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
htw_stop();
old_ctx = read_c0_entryhi();
old_pagemask = read_c0_pagemask();
- wired = read_c0_wired();
+ wired = num_wired_entries();
if (--temp_tlb_entry < wired) {
printk(KERN_WARNING
"No TLB space left for add_temporary_entry\n");
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